For more information:
Maki Inoue (905) 888-4416
Laura Heasman (905) 888- 4586
PRESS KIT: 2014 Acura MDX
As the foundation for all Acura products, Acura Man-Machine Synergy is the intelligent
pairing of useful technologies and luxury features in an indisputable value relationship.
Man-Machine Synergy is much greater than an array of intelligent features, smartly
priced. It also means that these technologies operate with ease and efficiency – and their
inclusion makes driving simpler, more efficient and more enjoyable for the owner. The
third-generation Acura MDX joins the all-new RLX performance luxury sedan in
fulfilling the Acura promise for more intuitive, useful and intelligent luxury.
The 2014 MDX is the third generation of Acura’s seven-passenger luxury performance
SUV, the first to be developed from the ground up using an all-new, purpose-built
platform (body and chassis) fully optimized for the needs of today’s luxury SUV buyers.
The new MDX, like its flagship sedan counterpart - the RLX - harnesses a host of Acura
signature technologies to deliver on Acura’s “Synergy between Man and Machine”
product direction, and to offer higher levels of luxury quietness, comfort and prestige in a
vehicle that performs “at the will of the driver” with intuitive control and exhilarating
dynamic performance.
Developed based on the image of an “Executive Family Jet,” the 2014 MDX is sleek and
refined, prestigious and powerful, and designed to deliver on the unique performance and
functional needs of the luxury SUV driver and passengers, be they children or clients. In
designing the new MDX, Acura engineers focused on three core values: class-leading
fuel efficiency; new levels of prestige and luxury comfort; and top-level safety
performance. At the same time, they sought to further enhance the MDX’s dynamic
performance while maintaining its core appeal – the family-friendly, seven-passenger
cabin and nimble, mid-size SUV exterior size and appearance.
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2014 ACURA MDX OVERVIEW - Packaging
For the 2014 MDX, the designers and engineers sought to further enhance the versatility
and functionality of the vehicle’s seven-passenger cabin while maintaining its relatively
compact and sporting exterior shape.
The 2014 MDX measures 50mm longer than the previous-generation MDX and has a 70
mm longer wheelbase. Vehicle height has been lowered by 17 mm, and rear step-in
height is lower by 46mm compared to the outgoing model. The front track is 36 mm
narrower and the rear wheel track is 31mm narrower. The vehicle width is reduced by
32mm. In this respect, the MDX presents a 2 percent smaller frontal area to the wind for
improved aerodynamic efficiency, and a slightly narrower body for improved garageability, while the longer wheelbase helps to enhance ride quality and interior
spaciousness. The passenger hip points in the first and second rows are lower by 30.5mm
and the third row is lower by 36 mm, improving the feeling of stability and reduced body
roll for all occupants.
Utilizing its longer wheelbase and new, more compact rear suspension (see Platform
overview below), the 2014 MDX makes getting in and out of the back seats even easier
with a 114 mm wider foot entry point and 46 mm lower step-in height. The second-row
seats now have five-position reclining seatbacks, and a new Extended Slide feature
provides 150 mm of total fore-aft seat travel, enabling greater flexibility in
accommodating the needs of both second- and third-row passengers. With the middlerow seats in their rearward-most position, first- and second-row tandem seating distance
has been lengthened by 28 mm, an ideal setting for traveling with four occupants,
whether children, clients or couples. A new One-Touch Walk-In feature makes for
easier, more intuitive one-button operation of the second-row seats – from the rear seat,
outboard middle row seats, or from outside the vehicle – further easing third-row entry
and exit.
Repackaging of the rear-seat HVAC system allowed for the creation of a large centre
console storage space, concealed beneath the sliding, leather-trimmed centre armrest.
About 51mm deeper and wider, and almost 127 mm longer, the main compartment offers
2.5 times more volume than the previous model and is large enough to accommodate a
moderately sized purse, a tablet computer and more. This is a key advantage of MDX in
its class, where many competing models offer little or no centre console storage space.
Key packaging details and features:
 70 mm longer wheelbase for improved cabin space and ride comfort
 2-percent smaller frontal area for greater aerodynamic efficiency
 A minimum 30 mm lower hip point for all occupants aids sporty and stable
 46 mm lower floor height for easier step-in
 114 mm wider foot entry point (between back of second-row seat bottom and rear
wheelhouse inner) for improved third-row seat entry and exit.
 New Extended Slide second-row seats provides a total of 150 mm of fore-aft seat
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New One-Touch Walk-in feature for more intuitive and easy operation of secondrow seats
Five-position reclining second-row seatbacks
New larger centre console storage space.
2014 ACURA MDX OVERVIEW – Platform
The 2014 MDX is based on an all-new, purpose-built platform. Where previous
generations of the MDX were developed from an existing Global Light Truck Platform,
the 2014 MDX was completely redesigned and developed from the ground up.
Tapping into their experience in developing the previous two generations of MDX, and
using state-of-the-art computer modeling techniques, MDX engineers pursued a holistic
vision for the new platform development, expanding the MDX’s functional and dynamic
performance envelope to achieve what are commonly conflicting goals – such as higher
performance and class-leading fuel efficiency; a more versatile and accommodating cabin
and a significantly more aerodynamic body; and class-leading safety and lower vehicle
This holistic approach to body development, included the strategic use of lightweight
materials – such as 64-percent high-strength steel, aluminum and magnesium – resulted
in a 131 kg reduction in overall vehicle weight compared to the previous model, aiding
both fuel efficiency and dynamic performance. The MDX body also boasts an 18 percent
gain in aerodynamic efficiency. For improved dynamic response and better isolation of
road noise and vibration, the 2014 MDX’s torsional body rigidity is up 12.4 percent, and
just as critically, the rigidity of suspension mounting points is up 67 percent versus the
previous model.
All-new suspension componentry – a new strut-type front suspension with triple-path
damper mounting system, and a more compact and efficient multilink rear suspension –
along with lighter and more rigid front and rear subframes, new hydraulic bushing
mounts, and stiffer suspension mounting points contribute significantly to the MDX’s
ability to efficiently and effectively manage suspension loads for both outstanding ride
comfort and confident, exhilarating driving performance. New Amplitude Reactive
Dampers use variable damping rates to deliver outstanding ride compliance and
responsive handling.
The more compact rear multi-link suspension also eliminates the forward trailing arm of
the previous system, which allowed engineers to lower the step-in height by 1.8 inches.
In addition, the rear dampers now mount directly to the rigid rear frame, as opposed to
the more flexible rear wheelhouse on the previous model, allowing for the use of softer
bushing settings for better ride compliance without any sacrifice of handling
The use of ultra-high-strength “hot stamped” steel for key body components includes the
world’s first one-piece stiffener ring for the driver and front passenger door areas, which
along with the application of Acura’s next-generation Advanced Compatibility
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Engineering™ (ACE™) body structure, significantly enhances the ability to efficiently
absorb and redirect crash energy in front and side impacts, and in the event of a rollover
(see Safety overview and full Safety section for more details).
Key platform details and features:
 131 kg lower vehicle weight
 59-percent high-strength steel body (by weight)
 Ultra high-strength steel, one-piece front door stiffener rings
 Next-generation Advanced Compatibility Engineering™ (ACE™) body structure
 Acura’s first three-piece magnesium steering hanger beam
 Newly designed strut-type front suspension with triple-path damper mounting
 More compact and efficient multi-link rear suspension
 Stiffer, lighter front and rear suspension subframes with hydraulic bushings and
suspension mounting points that are 67-percent more rigid
2014 ACURA MDX OVERVIEW – Powertrain
The 2014 MDX utilizes the same Earth Dreams Technology engine architecture as the
new RLX sedan, Acura’s first direct-injected engine, incorporating a new i-VTEC
valvetrain with two-stage Variable Cylinder Management™ (VCM™), the first
application of VCM in an MDX. The MDX’s engine architecture is also shared with two
racecars that finished in first and second place, respectively, in the LMP2 class at the 12
Hours of Sebring endurance race in the 2013 American Le Mans Series. With a
displacement of 3.5 litres, the aluminum, 24-valve V-6 engine produces 290 peak
horsepower and 267 lb.-ft. of peak torque with approximately 8 percent more torque
below 2,750 rpm compared to the 3.7-litre engine in the previous model. Due to
improved operating efficiency, horsepower output per litre is up 2 percent and torque
output per litre is up 4.4 percent compared to the previous 3.7-litre engine.
The 60-degree, aluminumV-6 engine is mated to a reengineered 6-speed automatic
transmission with Sequential Sport Shift, reduced friction and smoother gear changes.
Power to the wheels is managed by Acura’s Super Handling All-Wheel Drive™ (SHAWD™) system, which automatically and instantaneously apportions engine torque
between the front and rear axles and the left and right rear wheels to deliver confidenceinspiring handling and outstanding all-weather traction and control.
Variable Cylinder Management (VCM) switches seamlessly between 3- and 6-cylinder
modes, depending on engine load, effectively varying engine displacement to match
driving conditions for improved fuel efficiency. Active Control engine Mounts (ACM)
and Active Noise Cancellation allow the VCM system to operate in 3-cylinder mode
across a wider range of driving situations.
Key powertrain details and features:
 All-new direct injected 3.5-litre 24-valve V-6
 i-VTEC® valvetrain with Variable Cylinder Management™ (VCM®)
 Computer-controlled Direct Injection (DI) with multi-hole fuel injectors
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Reengineered 6-speed automatic transmission with Sequential Sport Shift
Super Handling All-Wheel Drive (SH-AWD)
Active Control Engine Mounts (ACM) and Active Noise Cancellation (ANC)
Grade Logic Control System reduces gear “hunting” on steep grades
2014 ACURA MDX OVERVIEW – Dynamic Performance
The second-generation MDX is highly regarded for its exhilarating handling and spirited
driving performance. The 2014 MDX further expands the MDX’s dynamic performance
envelope with quicker acceleration, shorter stopping distances and more nimble handling,
in combination with increased fuel efficiency and enhanced ride comfort.
Taking full advantage of its Earth Dreams Technology powertrain, all-new chassis, and
lighter and more rigid body, the MDX is quicker and more responsive in virtually every
respect. A fatter torque curve – with 8 percent more torque available below 2,750 rpm –
improves the new MDX’s launch performance and low-end grunt. The Sequential Sport
Shift automatic transmission features Normal and Sport modes and provides for full
manual control of gear changes via the steering wheel-mounted paddle shifters.
A larger diameter steering column shaft combined with a new Electric Power Steering
(EPS) system delivers highly responsive steering with better on-centre feel and improved
damping of unwanted road vibrations transmitted to the steering wheel. The steering ratio
on the new MDX is also 9-percent quicker than on the preceding model.
The MDX delivers a one-half-second quicker 0-100 km/h time, a shorter 100-0 km/h
stopping distance, and higher maximum lateral g-force versus the previous model.
Further, the new MDX turns an 8-second faster lap time on Germany’s grueling
Nürburgring Nordschleife (North Ring) where both the previous and new versions of the
MDX were extensively tuned and tested. Additional testing and tuning, particularly for
the new vehicle’s 6-speed transmission, was performed on German autobahns and the
Grossglockner Pass in the Austrian Alps.
To meet the varying needs of every driver in the family, the new MDX incorporates a
new Integrated Dynamics System (IDS) with three driving modes – Comfort, Normal
and Sport. In Normal mode, the steering effort is balanced between comfortable and
sporty. Selecting the Comfort mode reduces steering effort for low-effort
maneuverability, especially at low speeds and when maneuvering in tight spaces. The
Sport mode provides a firmer steering feel with higher effort that complements more
aggressive open-road driving. Sport mode also adjusts throttle response and SH-AWD
torque proportioning, and even Active Noise Control for a more aggressive engine note in
the cabin.
Standard on the MDX, Agile Handling Assist, a signature Acura technology, selectively
uses the vehicle’s brakes to improve corner traceability and confident handling feel, using
brake torque to create a body yaw, or turning moment at corner entry. The 2014 MDX
also comes standard with 4-channel anti-lock brakes, and Vehicle Stability Assist (VSA)
for enhanced stability and control in all driving and road conditions.
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Key performance details and features:
 All-new 290-horsepower 3.5-litre i-VTEC direct-injected 24-valve V-6
 Super Handling All-Wheel Drive (SH-AWD)
 Sequential Sport Shift automatic transmission
 One-half second quicker 0-100 km/h
 8 seconds faster lap time on Germany’s Nürburgring Nordschleife
 8 percent more low-end torque (below 2,750 rpm)
 Advanced shift-hold control limits up-shifts during spirited driving
 More lightweight and rigid body and suspension subframes
 New, more efficient front strut with triple-path damper mounting
 New multi-link rear suspension
 Larger diameter steering column shaft
 Electric Power Steering (EPS) with 9-percent quicker steering ratio
 Amplitude Reactive Dampers, front and rear
 Integrated Dynamics System (IDS) for customizable dynamic performance
 New Agile Handling Assist for improved corner traceability
 4-channel Anti-Lock Brakes (ABS) with Electronic Brake Distribution and
Brake Assist
 Vehicle Stability Assist (VSA)
2014 ACURA MDX OVERVIEW – Fuel Efficiency
The 2014 MDX with SH-AWD delivers a remarkable 21-percent increase in its combined
fuel economy rating versus the previous model, to class-leading levels (11.2/7.7/9.6
L/100km city/highway/combined).
Realizing this large of an increase in fuel economy while meeting other critical
objectives, such as top-level safety, improved dynamic performance and enhanced
refinement, was made possible by the development of the new MDX platform and the
resulting improvements in vehicle mass (weight down), driveline efficiency, and vehicle
running resistance. As previously stated, the 2014 MDX is 131 kilograms lighter than the
model it replaces. Further, its all-new Earth Dreams Technology i-VTEC 24-valve V-6
engine features more efficient fuel combustion via direct injection, reduced engine
friction, and the first application of Variable Cylinder Management technology to the
In addition to its lighter body and fuel-efficient powertrain, the new MDX is optimized in
every respect to reduce total running resistance or “road load,” consisting of engine
pumping losses, driveline friction, aerodynamic drag and tire rolling resistance. The
MDX is the first Acura model to be developed using a new 40-percent-scale wind tunnel
laboratory at the company’s U.S. R&D facilities in Ohio. Through the use of the new
wind tunnel with rolling ground plane and sophisticated computer modeling techniques,
2014 Acura MDX Press Kit
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engineers were able to optimize the vehicle design – not only the upper body, but also the
underbody as well as efficient airflow through the engine compartment – to achieve a 16
percent improvement in the new MDX’s coefficient of drag to class-leading levels.
Total vehicle running resistance is also reduced 19 percent versus the outgoing model. In
addition to improvements in powertrain efficiency and vehicle aerodynamics, key
engineering features for reduced running resistance include new low-drag brakes (70
percent less drag versus the previous model), a new lightweight, low-drag hub and wheel
bearing design, and reduced-rolling-resistance tires. The result is more efficient and
effortless cruising efficiency – a tremendous example of Acura’s smart approach to fuel
efficiency. A low-profile 74-litre fuel tank aids airflow and maintains the MDX’s 961
plus kilometres highway driving range. As one example of the new MDX’s low running
resistance, in an engineer-administered 113-0 km/h “coast down” test, where the vehicle
is allowed to coast from 113 km/h to a full stop, the 2014 MDX rolled more than 490
metres farther than the previous model before coming to a stop, a distance greater than a
Key fuel efficiency details and features:
 3.5-litre direct-injected i-VTEC V-6 with Variable Cylinder Management (VCM)
 Active Noise Control and Active Engine Mounts improve VCM operating range
 21 percent increase in combined fuel economy
 131 kilogram reduction in total vehicle weight
 18 percent lower coefficient of drag
 Low profile, 74-litre fuel tank
 Low-drag brakes
 Light weight, low drag hub and wheel bearings
 Lighter weight rear brake pistons
2014 MDX: OVERVIEW– Luxury Quiet, Comfort and Convenience
In considering their mission to develop the third-generation Acura MDX, designers and
engineers conducted in-depth research with existing MDX customers and owners of
competing products. One major opportunity for improvement identified by the team was
the overall level of refinement, in particular cabin noise that can interfere with
conversations between vehicle occupants, or during hands-free cellphone conversations,
and detracts from the feeling of a luxury driving experience. In addition, designers saw an
opportunity to further enhance the MDX’s level of luxury comfort and prestige with
respect to interior materials, features and function. The resulting effort to improve overall
refinement is the 2014 MDX – the quietest, most composed and luxurious MDX ever.
In fact, the engineering team developed new methods for testing ambient cabin noise and
performance, including a new test mode in which the vehicle cabin is pressurized and
tested for paths of sounds transmission. This and other tests led to the application of new
materials, such as expanded foam in the roof pillars; new pillar separators (located at the
bottom of each pillar); and new insulating materials for the rear wheelhouse, rear cargo
2014 Acura MDX Press Kit
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floor and rear quarter panel. A new floor “sealing plane” further dampens road noise. The
2014 MDX also applies thicker, three-layer acoustic glass for the windshield and front
side windows, thicker rear door glass, new triple seal side-sill door seal, and Active
Noise Control technology to mitigate low-frequencies associated with the VCM system
during three-cylinder operation.
The MDX’s more rigid body, subframes and suspension mounting points, along with a
new triple-path front damper mounting system, and a high frequency wheel design
further enhance ride comfort and vibration damping, particularly for second- and thirdrow passengers. A more rigid, steering column shaft replaces the previous two-piece
column and rubber bushing to greatly reduce the transmission of road vibrations through
the steering wheel while providing improving on-centre feel and responsive handling
To realize a higher level of interior luxury, designers applied high quality, soft touch
materials throughout the cabin. LED backlit gauges with progressive illumination have
the appearance of a high-end chronograph. LED lamps are also used for cabin accent
lighting on the centre console and front foot wells, which also feature progressive
illumination and are programmable (the dimming time can be programmed) through the
vehicle’s Multi-Information Display. Premium Milano leather is used on the first and
second-row seating surfaces, and satin chrome plated trim and simulated wood-grain
accents highlight the upscale cabin. The leather-wrapped steering wheel also features
new, smoother Euro-style stitching.
The MDX with Elite Package features heated/ventilated front seats. Both Technology and
Elite Packages feature heated rear seats that are electronically linked to the vehicle’s
climate control system. The synced system allows the cabin to more quickly reach the
user set cabin temperature.
The MDX has standard Smart Entry Keyless Access System with front and rear hatch
access. On the Technology Package and above, Smart Entry access is also added to the
rear passenger doors. The Elite Package offers remote engine start that can be activated at
a minimum range of 100 metres from the vehicle, allowing the vehicle to be pre-heated or
pre-cooled and defrosted/defogged based on the customer’s preselected settings.
Accessory Engine Remote start is available for any grade (pre-wired). Also standard on
Technology and Elite Packages are new (manually operated) rear side-window shades.
The rear cargo area has been further refined on the 2014 MDX, with a new, fully-sealed
spindle-type tailgate opening mechanism that presents a cleaner, less cluttered
appearance. The trailing edge of the rear cargo floor features dual brushed aluminum trim
plates for a more finished appearance, while also offering protection during the loading
and unloading of goods.
Additional standard and available luxury comfort and convenience features on the 2014
MDX include push-button start, Multi-Angle Rearview Camera, One-Touch turn signals
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(all standard); rain-sensing wipers (Navigation Package and above); and front and rear
parking sensors (Elite) and auto-dimming side mirrors (Technology and Elite Packages).
Key luxury comfort details and features:
 Smart Entry Keyless Access System
 3-layer acoustic windshield and front door glass
 Thicker rear door glass
 Expanded foam in roof pillars
 Noise-insulating pillar separators
 New floor sealing plane
 Triple-path front damper mounting
 New cabin noise test methodology
 New, more efficient multi-link rear suspension
 LED gauge cluster and cabin accent lighting with progressive illumination
 Standard leather seating surfaces
 Euro-stitched leather-wrapped steering wheel
 Heated steering wheel
 One-touch turn signals
 Heated front seats
 Heated rear seats (Technology and Elite Packages)
 Ventilated front seats (Elite Package)
 Rain sensing wipers (Navigation Package)
 Puddle lights (Navigation Package)
 Rear door window sunshades (Technology and Elite Packages)
 Perforated Milano premium leather seating surfaces (Tech)
 Auto dimming side mirrors (Tech and Elite Packages)
2014 MDX OVERVIEW - Advanced Entertainment and Connectivity
Acura customers have high expectations for state-of-the-art connectivity and
entertainment. Enhanced connectivity in the 2014 MDX is made possible by the
AcuraLink® system, which offers thousands of entertainment channels via Aha™ mobile,
all delivered via the owner’s internet-linked smartphone and data plan. There is also a
host of new available security and convenience features, including accident notification,
remote unlocking, stolen vehicle tracking and surface street traffic information, all
delivered via built-in cell technology (in some instances, a subscription fee applies).
The new MDX will thrill audiophiles with its available music entertainment features. The
2014 MDX comes with an 8-speaker, 432-watt (up from 253 watts) audio system
featuring a single-disc CD player, AM/FM/SiriusXM radio bands, and standard USB
connector. The MDX with Navigation Package features a 10-speaker, 501-watt
Acura/ELS® Studio system, also with a single-disc CD player and AM/FM/SiriusXM
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radio and a 16-gigabyte Hard Disk Drive (HDD). The MDX with Technology Package
features an Acura/ELS® Studio 11-Speaker Audio System with a new ceiling-mounted
speaker and a 529-watt amplifier, along with all the features listed above. The MDX with
Elite Package features an Acura/ELS® Studio 12-Speaker Audio System with new
ceiling-mounted speakers and a 546-watt amplifier, along with all the features listed
Additional standard features on all models includes Bluetooth® HandsFreeLink® hands
free telephone interface, and an SMS Text Message function that can read incoming texts
aloud over the audio system and allow the driver to reply with any of six factory preset
messages (using a compatible smartphone and data plan).
The available Technology Package adds a DVD Rear Entertainment system with a
ceiling-mounted 9-inch full VGA screen, while the MDX Elite Package features a new
ultra-wide 16.2-inch full WVGA screen – the largest and highest resolution screen ever
offered in an Acura vehicle. The 546-watt audio system provides 5.1-channel surround
sound. For the enjoyment of rear-seat passengers, adults and children alike, the system
also includes a High Definition Multimedia Interface (HDMI) port for attaching high
definition players and certain gaming consoles, along with standard composite video and
audio inputs. A 115-volt power outlet is rated for devices up to 150 watts.
Both the AcuraLink™ and Acura/ELS Studio system take advantage of a 2014 MDX’s
new 7-inch colour On Demand Multi-Use Display™ (ODMD™) touchscreen with
haptic feedback. The addition of the ODMD, along with other interior changes, allowed
engineers to reduce the number of hard buttons in the centre stack from 41 to just nine.
The ODMD touchscreen controls a wide range of features, and with its contextual menus,
displays relevant items while minimizing clutter. The system includes customizable
shortcuts for Places, Phone, Climate and Audio functional categories.
The MDX Navigation Package and above grades feature the latest generation Acura
Navigation System with Voice Recognition™ (available in Canada, United States, Puerto
Rico, and Mexico). The MDX navigation system features an 8-inch high-resolution
WVGA backlit colour display. The system features more than 10 million points of
interest and can be controlled by voice, or with a convenient interface dial. The voiceactivation system responds to casual command phrases that require less user
familiarization. The system now also includes surface street traffic data allowing the
driver to choose faster, less congested routes. Further, it offers a new level of
convenience with AcuraLink, allowing users to send destination information via the
AcuraLink Connect mobile phone app and web application.
Key entertainment and connectivity details and features:
 AcuraLink with Aha™ mobile
 Standard Bluetooth HandsFreeLink and SMS text messaging
 Standard 7-inch On Demand Multi-Use Display (ODMD)
 Available Acura/ELS premium sound systems
 Available ultra-wide 16.2-inch WVGA DVD Rear Entertainment System
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Acura Navigation System with expanded voice command capabilities
2014 MDX OVERVIEW – Safety and Visibility
For the third-generation MDX, engineers once again targeted top-level safety ratings,
including a five-star Overall Vehicle Score from the U.S. National Highway and Traffic
Safety Administration (NHTSA), and a TOP SAFETY PICK+ rating from the U.S.
Insurance Institute for Highway Safety (IIHS), including the highest rating of GOOD in
the Institute’s stringent new small overlap frontal collision test.
The 2014 MDX body utilizes the next generation of Acura’s Advance Compatibility
Engineering (ACE™) body structure to more effectively absorb and direct frontal crash
energy away from the passenger compartment. Further, the new MDX features the
world’s first ultra-high strength “hot stamped” steel, one-piece stiffener ring for the
driver and front passenger front door areas – comprised of the A- and B-pillar, roof rail
and lower frame member – to improve crash energy management in frontal offset and
side impact collisions as well as roof crash load management.
The MDX also employs a new driver’s knee airbag, as well as driver- and frontpassenger front airbags, driver- and front-passenger side airbags, and three-row side
curtain airbags with a wider deployment profile to mitigate passenger ejection in a
rollover. The Elite Package adds driver- and front-passenger seatbelts with epretensioners (see Safety and Visibility). The 2014 MDX also features LATCH child-seat
anchors in all second-row seating.
For enhanced visibility and road awareness, the MDX employs a range of new driverassistive technologies, including standard Expanded View Driver’s Mirror and MultiAngle Rearview Camera; Blind Spot Information (BSI), Lane Departure Warning
(LDW), and Forward Collision Warning (FCW) on Navigation Package and above
grades; and Collision Mitigation Brake System (CMBS), Lane Keep Assist (LKAS),
Surround View Camera System and Adaptive Cruise Control with Low-Speed Follow on
the Elite Package. These systems are designed to operate intuitively and with a minimum
of driver distraction, while aiding the driver and his/her ability to operate their vehicle
safely with increased confidence and situational awareness.
Key safety details and features:
 Anticipated five-star NCAP Overall Vehicle Score
 Anticipated TOP SAFETY PICK+ IIHS safety rating
 Next-generation Advanced Compatibility Engineering™ (ACE™) body structure
 World’s first ultra-high strength steel, one-piece front door stiffener ring
 Pre-tensioning driver and front passenger seatbelts
 Driver’s knee airbag and three-row side-curtain airbags
 LATCH child seat anchors in all second row seating positions
 Available Lane Departure Warning (LDW) and Forward Collision Warning
2014 Acura MDX Press Kit
Key visibility and driver assistive technologies:
 Expanded View Driver’s Mirror
 Multi-View Rear Camera
 Blind Spot Information (BSI)
 Collision Mitigation Braking System (CMBS)
 Lane Keeping Assist System (LKAS)
 Adaptive Cruise Control with Low-Speed Follow
 Front and rear parking sensors (4 front/4 rear)
 Surround View Camera System
 Auto-Leveling Headlights Heated Windshield
 Headlight Washers
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2014 Acura MDX Press Kit
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An all-new 3.5-litre direct injected i-VTEC® 24-valve V-6 engine, rated at 290 peak
horsepower and 267 lb.-ft. peak torque, powers the 2014 MDX. This is the second
application of Earth Dreams Technology (following the 2014 RLX sedan) comprised of a
next-generation family of powertrain technologies that greatly enhance both driving
performance and fuel efficiency.
Compared to the 3.7-litre engine it replaces, the 3.5-litre V-6 in the 2014 MDX offers an
8 percent increase in torque at engine speeds below 2,750 rpm for greater overall
responsiveness. Together with the 2014 MDX’s 131 kg reduction in curb weight, overall
performance is enhanced, including quicker 0-100 km/h times and 8-second-faster laps of
Germany’s Nürburgring Nordschleife (North Loop) compared to the outgoing model.
The new direct-injected engine contributes to the MDX’s substantially improved fuel
economy ratings – The MDX improved by 18-percent in city, 25-percent in highway, and
combined fuel efficiency improved by 21-percent. MDX also meets the Tier 2 Bin 5
emissions rating. No other vehicles in the MDX’s competitive set offer a comparable
combination of power and fuel economy.
The 2014 MDX’s new direct-injected V-6 precisely places fuel into each combustion
chamber for better combustion and greater overall efficiency. The MDX engine also
incorporates a range of advanced friction-reducing technologies that help boost fuel
efficiency and power output. A new crossflow magnesium intake manifold, special
“tumble” type intake ports, new piston-crown shapes, and an elevated 11.5:1 compression
ratio are keys to the MDX’s blend of power and fuel efficiency.
A new generation of i-VTEC® (intelligent Variable Valve Timing and Lift Electronic
Control) for the intake valves is now combined with Variable Cylinder Management™
(VCM®) for the first time ever in the MDX. VCM adjusts the working displacement of
the engine to match the driving requirements from moment to moment. During startup,
aggressive acceleration or when climbing hills – when high power output is required –
the engine operates on all six cylinders. During moderate speed cruising and at low or
moderate engine loads, the system operates just the front bank of three cylinders. Since
the system automatically closes both the intake and exhaust valves on the rear bank of
three cylinders, pumping losses from air intake and exhaust are eliminated and fuel
efficiency gets a further boost.
The Earth Dreams Technology 3.5-litre V-6 is teamed with a Sequential SportShift 6speed automatic transmission with racing-inspired shift paddles located on the steering
wheel. The transmission offers two automatic modes (Drive and Sport), or the paddle
shifters can be used for full manual operation of the transmission for maximum control
and driving engagement.
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The MDX comes equipped with Acura’s acclaimed Super Handling All-Wheel Drive™
(SH-AWD®), which progressively distributes torque not only between the front and rear
axles, but also between the left and right rear wheels. Using torque vectoring to help turn
the vehicle, SH-AWD® creates a more responsive, neutral and predictable platform while
providing outstanding all-weather confidence and control.
2014 MDX
Aluminum-alloy V-6
Aluminum-alloy V-6
Displacement, litres
Fuel injection
Engine type
Belt drive, SOHC, VTEC
Belt drive, SOHC,
i-VTEC® 24-valve
with VCM®
Horsepower @ rpm (SAE net)
300 @ 6300
290 @ 6200
Torque @ rpm (lb-ft)
270 @ 4500
267 @ 4500
Compression ratio (:1)
6700 rpm
6800 rpm
Throttle control
Drive-by-Wire throttle
throttle system
Electronic direct
6-speed automatic
transmission with
Sequential SportShift
paddle shifters, Grade
Logic and Shift Hold
Electronic direct
6-speed automatic
transmission with
Sequential SportShift
paddle shifters, Sport
Mode, Grade Logic and
Shift Hold Control
Premium unleaded 91
octane (required)
Tier 2 Bin 5
Premium unleaded 91
octane (recommended)
Tier 2 Bin 5
Drive type
Natural Resources Canada
Estimated FE – L/100km (city /
highway/ combined)
Recommended fuel2
Emissions rating
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Powertrain at Glance
 Earth Dreams™ Technology 3.5-litre, SOHC, V-6 engine produces peak horsepower
of 290 horsepower at 6,200 rpm and peak torque of 267 lb-ft at 4,500 rpm
 i-VTEC® (intelligent Variable Valve Timing and Lift Electronic Control) for intake
valves with Variable Cylinder Management™ (VCM®)
 Computer-controlled Direct Injection (DI) with multi-hole fuel injectors
 11.5:1 compression ratio
 High-strength steel crankshaft
 Crossflow magnesium intake manifold
 Drive-by-Wire throttle system
 Direct ignition system
 Detonation/knock control system
 Integrated Dynamics System (IDS) provides two unique drive-by-wire profiles
 Maintenance Minder™ system optimizes service intervals
Emissions/Fuel Economy
 High-flow, close-coupled next-generation precious metal catalytic converters plus
under floor catalytic converter
 High capacity 32-bit RISC processor emissions control unit
 Tier 2 Bin 5 Emissions Rating
 Natural Resources Canada FE rating 11.2/7.7/9.61 (city/highway/combined) L/100km
fuel economy
Noise & Vibration (NV)
 60-degree cylinder V-angle for smooth operation
 Automatically tensioned, maintenance-free serpentine belt accessory drive
 Active Control engine Mount (ACM)
 Active Sound Control (ASC)
Sequential SportShift 6-speed automatic with paddle shifters
 Straight-gate style console-mounted shifter
 Sequential SportShift automatic transmission allows semi-manual operation
 Steering wheel mounted racing-inspired paddle shifters
 Sport mode with remapped, more aggressive automatic shift points and more
pronounced engine braking during deceleration
 Cooperative control between Drive-by-Wire throttle system and transmission makes
for quicker, smoother shifts
 Advanced shift-hold control limits up shifts during spirited driving
 Grade Logic Control System reduces gear “hunting” on steep hills
2014 Acura MDX Press Kit
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Engine Architecture
The MDX 3.5-litre VTEC® V-6 has a die-cast lightweight aluminum alloy block with
cast-in-place iron cylinder liners, a smooth-firing 60-degree V-angle, and compact overall
dimensions. As in the 2014 Acura RLX, the MDX powerplant combines Direct Injection
with i-VTEC and Variable Cylinder Management (VCM) to give the MDX impressive
fuel economy and overall performance. This clean-running engine meets U.S. Federal
Tier 2, Bin 5 standards.
A wide range of improvements, including revised intake and exhaust ports and updated
valve timing, help make the 3.5-litre V-6 nearly as powerful as the 3.7-litre engine it
replaces. Due to greater operating efficiency, the engine’s horsepower per litre has risen
by 2 percent and torque has been increased by 4.4 percent per litre. The aluminum-alloy
24-valve engine now produces 290 horsepower at 6,200 rpm and generates 267 lb-ft of
torque at 4,500 rpm. Torque has improved up to 8 percent at engine speeds below 2,750
rpm, aiding the MDX’s responsiveness.
The updated V-6 contributes to a 25-percent increase in the fuel economy rating. This
enhanced efficiency is due to a range of engineering features, including internal friction
reduction, an oil-ring ion-plating treatment, plateau honing, low-friction 0W-20 engine
oil, and reduced auxiliary-belt tension. A new tumble-type intake port design improves
combustion efficiency, and torque-converter function in the standard 6-speed automatic
transmission has been refined.
Engine Block and Crankshaft
With its 60-degree V-angle, the MDX’s V-6 engine is inherently smooth and has compact
overall dimensions that allow efficient packaging within the vehicle. The V-6 has a diecast lightweight aluminum alloy block with cast-in-place iron cylinder liners. Made with
a centrifugal spin-casting process, the thin-wall liners are high in strength and low in
porosity. The block incorporates a deep-skirt design with four bolts per bearing cap for
rigid crankshaft support and minimized noise and vibration. The 3.5-litreV-6 uses a highstrength steel crankshaft for minimum weight.
A cooling control spacer positioned in the water jacket surrounding the cylinders helps
control warm-up and operating cylinder liner temperatures to reduce friction. Plateau
honing of the cylinder lining further reduces friction between the piston skirts and the
cylinder walls by creating an ultra-smooth surface. This two-stage machining process
uses two grinding processes instead of the more conventional single-stage honing
process. Plateau honing also enhances the long-term wear characteristics of the engine.
Pistons/Connecting Rods
Designed with “cavity-shaped” crowns, the 2014 MDX engine’s pistons help maintain
stable combustion and contribute to stratified-charge combustion. Ion-plated piston rings
help reduce friction for greater operating efficiency. The compression ratio (relative to
the 2013 MDX 3.7-litre engine) has risen from 11.2:1 to 11.5:1. Heavy-duty steel
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connecting rods are forged in one piece and then the crankshaft connecting rods are
“crack separated” to create a lighter and stronger rod with an optimally fitted bearing cap.
Cylinder Heads/Valvetrain
Like other Acura V-6 powerplants, the MDX engine’s 4-valve cylinder heads are a
single-overhead-camshaft design, with the cams driven by the crankshaft via an
automatically tensioned toothed belt. Made of low-pressure cast, low-porosity aluminum,
each cylinder head incorporates a new “tumble port” design that improves combustion
efficiency by creating a more homogeneous fuel-air mixture. An integrated exhaust
manifold cast into each cylinder head reduces parts count, saves weight, improves flow
and optimizes the location of the close-coupled catalyst.
i-VTEC with 2-Stage Variable Cylinder Management™ (VCM®)
The MDX SOHC V-6 combines Variable Cylinder Management (VCM) with Variable
Valve Timing and Lift Electronic Control (i-VTEC), which changes the lift profile,
timing and lift duration of the intake valves. A switching mechanism allows each cylinder
to operate with low-rpm valve lift and duration or high-rpm lift and duration. The rear
cylinder bank’s valve gear closes all intake and exhaust valves to minimize pumping
losses while operating in three-cylinder mode.
The “intelligent” portion of the system is its ability to vary valve operation based on the
driving situation and engine rpm. At low rpm, the i-VTEC intake valve timing and lift are
optimized (low lift, short duration) for increased torque, which allows a wide range of 3cylinder operation. As engine rpm builds past 4,950 rpm, the i-VTEC system transitions
to a high-lift, long-duration intake cam profile for superior high-rpm engine power.
VCM Operation
To help improve the fuel efficiency of the MDX engine, a new variation of Acura’s
Variable Cylinder Management (VCM) is used. The VTEC system combines with Active
Control engine Mounts (ACM) to allow the VCM system to operate with three cylinders
in a wide range of situations to maximize fuel efficiency and lower emissions. When
greater power is needed, the system switches seamlessly to 6-cylinder operation.
During startup, aggressive acceleration, or steep ascents – any time high power output is
required – the engine operates on all six cylinders. During moderate-speed cruising and at
low or moderate engine loads, the system operates just the front bank of three cylinders.
The VCM system can tailor the working displacement of the engine to match the driving
requirements from moment to moment. Since the system automatically closes both the
intake and exhaust valves of the cylinders that are not used, pumping losses associated
with intake and exhaust are eliminated and fuel efficiency gets a further boost. The
system combines maximum performance and maximum fuel efficiency – two
characteristics that don’t typically coexist in conventional engines.
VCM deactivates specific cylinders by using the i-VTEC (intelligent Variable ValveTiming and Lift Electronic Control) system to close the intake and exhaust valves while
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the Electronic Control Unit (ECU) simultaneously cuts fuel to those cylinders. The spark
plugs continue to fire in inactive cylinders to minimize plug temperature loss and prevent
fouling induced from incomplete combustion during cylinder re-activation.
The system is electronically controlled, and uses special integrated spool valves in the
cylinder heads. Based on commands from the system’s Electronic Control Unit, the spool
valves selectively direct oil pressure to the rocker arms for specific cylinders. This oil
pressure in turn drives synchronizing pistons that connect and disconnect the rocker arms.
The VCM system monitors throttle position, vehicle speed, engine speed, automatictransmission gear selection and other factors to determine the correct cylinder activation
scheme for the operating conditions. In addition, the system determines whether engine
oil pressure is suitable for VCM switching and whether catalytic-converter temperature
will remain in the proper range. To further smooth the transition of activating or
deactivating cylinders, the system adjusts ignition timing and throttle position and turns
the torque converter lock-up on and off. As a result, the transition between 3- and 6cylinder modes is effectively unnoticeable to the driver.
Direct Injection System
The MDX’s V-6 engine is the second application of direct injection for an Acura vehicle
in Canada, following the 2014 RLX sedan. The system features a compact, high-pressure,
direct-injection pump that allows both high fuel flow and pulsation suppression, while
variable pressure control optimizes injector operation. A multi-hole injector delivers fuel
directly into each cylinder (not to the intake port, as in conventional port fuel injection
designs), allowing for more efficient combustion.
The multi-hole injectors can create the ideal stoichiometric fuel/air mixture in the
cylinders for good emissions control. Theoretically, a stoichiometric mixture has just
enough air to completely burn the available fuel. Based on the operating conditions, the
direct-injection system alters its function for best performance. Upon cold engine startup,
fuel is injected into the cylinders on the compression stroke. This creates a weak stratified
charge effect that improves engine start-up and reduces exhaust emissions before a
normal operating temperature is reached.
Once the engine is fully warmed up for maximum power and fuel efficiency, fuel is
injected during the intake stroke. This helps create a more homogeneous fuel/air mix in
the cylinder that is aided by the high-tumble intake port design. This improves volumetric
efficiency, and the cooling effect of the incoming fuel improves anti-knock performance.
Active Control Engine Mounts and Active Sound Control
A new, more powerful 28-volt Active Control Engine Mount system (ACM) is used to
minimize the effects of engine vibration as the VCM system switches cylinders on and
off. The 28-volt ACM is a key factor in the VCM’s broad range of operation in the new
MDX. Sensors alert the Electronic Control Unit (ECU) to direct ACM actuators
positioned at the front and rear of the engine to cancel engine vibration using a reversephase motion. In the cabin of the MDX, an Active Sound Control (ASC) system further
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mitigates low frequencies that can occur during three-cylinder operation. (See Interior
section for more information.)
There are two different Active Sound Control profiles available in the MDX. When the
Integrated Dynamics System (IDS) is in the Normal or Comfort setting, the ASC is tuned
for maximum interior quietness. When the IDS Sport mode is selected, the ASC allows a
more aggressive interior engine note. (See Chassis section for more information.)
Drive-by-Wire Throttle System
The MDX’s Drive-by-Wire throttle system replaces a conventional throttle cable with
smart electronics that “connect” the accelerator pedal to a throttle valve inside the
throttle-body. The result is less underhood clutter and lower weight, as well as quicker
and more accurate throttle actuation. Plus, a specially programmed "gain" rate between
the throttle pedal and engine offers improved drivability and optimized engine response
to suit specific driving conditions.
Acura’s Drive-by-Wire throttle system establishes the current driving conditions by
monitoring throttle pedal position, throttle valve position, engine speed (rpm) and road
speed. This information is used to define the throttle control sensitivity that gives the
MDX’s throttle pedal a predictable and responsive feel that meets driver expectations.
There are two different throttle profiles available in the MDX. When the Integrated
Dynamics System (IDS) is in the Normal or Comfort setting, the transmission is in “D”
(Drive) the drive-by-wire system uses the normal profile. When the Sport mode is
selected, the system switches to a more aggressive throttle map to enhance
Direct Ignition and Detonation/Knock Control
The MDX’s Electronic Control Unit (ECU) monitors engine functions to determine the
best ignition spark timing. Two engine block-mounted acoustic detonation/knock sensors
"listens" to the engine, and based on this input, the ECU can retard the ignition timing to
prevent potentially damaging detonation. The 3.5-litre V-6 has an ignition coil unit for
each cylinder that is positioned above each spark plug’s access bore.
Close-Coupled Catalysts
The exhaust manifolds of the 3.5-litre V-6 are cast directly into the aluminum cylinder
heads to reduce weight, decrease parts count, and create more underhood space. The
result of this casting design is that the two primary catalytic converters are positioned
much closer to the combustion chambers, enabling extremely rapid converter “light-off”
after engine start. A significant weight savings is realized by eliminating traditional
exhaust manifolds. Downstream of the close-coupled catalytic converters, a hydroformed
2-into-1 collector pipe carries exhaust gases to a secondary, underfloor catalytic
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Emissions Control
The 2014 MDX 3.5-litre V-6 engine meets the tough EPA Tier 2/Bin 5 emissions
standard. A number of advanced technologies are factors in the emissions performance.
The unique cylinder head-mounted close-coupled catalytic converters light off more
quickly after engine start up, and a 32-bit RISC microprocessor within the Electronic
Control Unit (ECU) boosts computing power to improve the precision of spark and fuel
The MDX’s V-6 engine features Programmed Fuel Injection (PGM-FI) that continually
adjusts the fuel delivery to yield the best combination of power, low fuel consumption
and low emissions. Multiple sensors constantly monitor critical engine operating
parameters such as intake air temperature, ambient air pressure, throttle position, intake
airflow volume, intake manifold pressure, coolant temperature, exhaust-to-air ratios, as
well as the position of the crankshaft and the camshafts.
To further improve emissions compliance, the 3.5-litre V-6 makes use of an after-cat
exhaust gas recirculation (EGR) system that allows cleaner, cooler EGR gas to be fed
back into the intake system. An EGR system, especially one that delivers a cleaner,
cooler charge, reduces pumping loss for better fuel efficiency.
One-Touch Start System
To ensure consistent starting, the MDX has a one-touch start system that maintains starter
engagement until the engine starts. Should the driver release the Start button before the
engine starts, the system will start the vehicle. Simply push the Start button (with a foot
on the brake pedal and the fob in the vehicle) and the engine will automatically start up.
Noise & Vibration Control
With its 60-degree V-angle and compact, rigid and lightweight die-cast aluminum
cylinder block assembly, the 3.5-litre V-6 powerplant is exceptionally smooth during
operation. Other factors that help reduce engine noise and vibration are a rigid forgedsteel crankshaft, die-cast accessory mounts, and a stiff cast-aluminum oil pan that reduces
cylinder block flex.
Maintenance Minder™ System
To eliminate unnecessary service stops while ensuring that the vehicle is properly
maintained, the MDX has a Maintenance Minder™ system that continually monitors the
vehicle's operating condition. When maintenance is required, the driver is alerted via a
message on the Multi-Information Display (MID).
The Maintenance Minder™ system monitors operating conditions such as oil and coolant
temperature along with engine speed to determine the proper service intervals. Depending
on operating conditions, oil change intervals can be extended to a maximum of 16,000
km, potentially sparing the owner considerable expense and inconvenience over the life
of the vehicle. The owner-resettable system monitors all normal service parts and
systems, including oil and filter, tire rotation, air-cleaner, automatic transmission fluid,
spark plugs, timing belt, coolant, brake pads and more. To mitigate driver distraction,
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maintenance alerts are presented on the MID only when the ignition is first turned on, not
while driving.
Sequential SportShift 6-Speed Automatic Transmission
The 2014 MDX is equipped with a 6-speed automatic transmission featuring Sequential
SportShift with steering-wheel-mounted paddle shifters and two automatic shift modes.
The Sequential SportShift 6-speed automatic offers excellent launch-feel, acceleration
performance and fuel efficiency. Gearing is unchanged from the 2013 model.
The straight-gate shifter is an intuitive and easy-to-use design that takes up little space in
the centre console. The shifter allows the driver to choose P (Park), R (Reverse), N
(Neutral), D (Drive) and S (Sport mode) for more performance-oriented shift
Both shift performance and smoothness are improved by cooperative control between the
Drive-by-Wire throttle system and the electronically-controlled, Sequential SportShift 6speed automatic transmission. The engine is throttled by the engine management system
during upshifts and downshifts; thus the function of the engine and transmission can be
closely choreographed for faster, smoother shifting. As a result, the peak g-forces (or
"shift shock") are reduced significantly during upshifts and downshifts.
The 6-speed transmission can be controlled by a straight-gate console-mounted shifter or
a steering wheel-mounted paddle shifter system that works whenever the transmission is
in either of its two automatic modes.
In addition to Grade Logic Control, Shift Hold control and Cornering G Shift control,
common with the outgoing model, the 2014 MDX adds a Sport mode for increased driver
involvement. All of the transmission logic systems work together to automatically alter
shift timing based on driving conditions.
Automatic Modes
The Sequential SportShift 6-speed transmission can be operated in two different, fully
automatic modes with the console-mounted straight-gate shifter. The D (or “Drive”)
mode is ideal for most driving situations, and combines fuel efficiency with smooth
operation and responsive power when needed. The Sport mode is for more performanceoriented driving, and features more aggressive shift mapping to keep engine rpm higher
for greater acceleration and response.
When in the D mode (optimized for normal driving), the transmission incorporates an
advanced Grade Logic Control System, Shift Hold Control and Cornering G Shift
Control – all of which reduce unwanted shifting and gear hunting. The result is smart
transmission operation that optimizes fuel efficiency and keeps the transmission in the
appropriate gear for driving conditions, generating excellent performance and smooth
While ascending or descending hills, Grade Logic Control alters the transmission’s shift
schedule to reduce shift frequency and improve speed control. The transmission ECU
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continually measures throttle position, vehicle speed and acceleration/deceleration to
determine when the vehicle is on a hill. The shift schedule is then adjusted – during
ascents to hold the transmission in lower gears to boost climbing power, and during
descents to provide greater engine braking.
Shift Hold Control keeps the transmission in its current (lower) gear ratio during
aggressive driving, as in the case of decelerating at a corner entry. Shift Hold Control
leaves the chassis undisturbed by eliminating excess shifting and ensures that power will
be immediately available (without a downshift) at the corner exit. Cornering G Shift
Control monitors the speed of each rear wheel independently to determine when the
MDX is turning. When the system detects a sufficient speed differential between the rear
wheels, it will suppress any unwanted upshifts. This prevents the transmission from
upshifting during a corner, which could upset the chassis balance thus requiring
downshifting again at the corner exit when the throttle is applied.
Temporary Manual Operation in “Drive”
While in Drive mode, special transmission logic programming allows the use of the
steering-wheel-mounted paddle shifters. When the driver operates the paddle shifters, the
transmission responds to the driver’s shift command and then returns to its normal fully
automatic mode if further paddle shift inputs are not made within a given time. This
special logic makes it easy for the driver to command a quick downshift without leaving
the comfort of Drive mode.
Manual Mode
By moving the centre console shift lever fully aft into the “S” position, Sport mode is
engaged. This mode offers automatic operation with more aggressive shift mapping. A
pull on the racing-inspired paddle shifters (mounted on the steering wheel) places the
transmission in fully manual mode until another mode of operation is selected with the
console-mounted shifter (e.g., switched to Drive mode). A digital display in the
instrument cluster indicates which gear the transmission is in.
A double-kick-down feature lets the driver command a sport-minded double downshift –
such as from Fifth to Third gear. By pulling on the left downshift paddle twice in rapid
succession, the transmission will drop directly to the chosen lower gear ratio. The Driveby-Wire throttle system also creates a “blip” of the throttle to help match gear speeds
while downshifting.
To prevent harm to the powertrain when the transmission is paddle shifted by the driver
(including during double-kick-down shifts), the system will inhibit potentially damaging
shifts. As an added safety measure, the Electronic Control Unit (ECU) can also cut off
fuel to the engine to prevent over-revving. If fuel cut-off is insufficient to prevent engine
over-revving, as may be possible when the vehicle is on a steep downhill, the
transmission will automatically upshift to prevent damage. On downshifts, the
transmission will not execute a driver command that will over-rev the engine.
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For improved stop-and-go performance and to help prevent “lugging” the engine, the
Sequential SportShift transmission will automatically downshift to First gear even though
the transmission has been left in a higher gear, (except in Second gear) as the vehicle
comes to a stop. In Manual Mode, when coming to a stop in Second gear, the vehicle will
start in Second gear as well.
The Sequential SportShift 6-speed automatic transmission is teamed with a special torque
converter that has a high maximum torque rating and a high capacity lock-up clutch. The
lock-up assembly uses multiple lock-up disks to reduce heat build-up during operation
and for lock-up activation over a wide range of driving conditions that helps improve fuel
Super-Handling All-Wheel Drive™ (SH-AWD®)
The MDX is available with Acura’s acclaimed Super Handling All-Wheel Drive™ (SHAWD®), which progressively distributes optimum torque not only between the front and
rear axles, but also between the left and right rear wheels. The system is complemented
by Agile Handling Assist which employs the anti-lock brake system to individually brake
either the left or right front wheel to reduce yaw delay (the period between the steering
wheel input and the rotation of the body) to improve corner traceability and balance. (See
Chassis section for more information.)
The benefits of the SH-AWD® system are superior all-weather handling and neutral,
accurate steering under power that is unmatched by front-drive, rear-drive or
conventional all-wheel-drive systems.
By rotating the outside rear wheel faster than the front axle while cornering, SH-AWD®
uses torque vectoring to create a yaw moment to help turn the vehicle through the corner
– reducing understeer and improving controllability. With cornering forces more evenly
distributed between front and rear tires, overall cornering power is increased – on wet or
dry roads.
Vehicles with high power ratings using conventional front or rear drive systems often
employ a limited-slip differential to help maintain traction when under power. By linking
inside and outside drive wheels, these systems tend to resist turning and can increase
understeer. Conventional AWD systems similarly work to link the inboard and outboard
tires as well as the front and rear axles—which can create resistance to turning. Using
torque vectoring to help turn the vehicle, SH-AWD® delivers more responsive, neutral
and predictable handling performance, while providing outstanding all-weather traction
and control.
Electronic Controls and Parameters
The SH-AWD® system works in cooperation with the MDX’s Vehicle Stability Assist™
(VSA®) system and Agile Handling Assist to optimize torque distribution for superior
handling and traction utilization. The Electronic Control Unit (ECU) provides
information on engine rpm, airflow and transmission gear-ratio selection, while the
VSA® ECU provides wheel-speed data. The SH-AWD® ECU also monitors steering
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angle, lateral G-forces, vehicle yaw rate and electromagnetic clutch engagement for the
right and left rear axle shafts. Drive torque is calculated from ECU information, and then
the acceleration situation, wheel spin, lateral G-force and steering angle are used to
determine the front-to-rear torque distribution and the torque split between right and left
rear wheels.
SH-AWD® operating parameters include:
 Up to 90-percent of available torque can be transferred to the front wheels during
normal cruising
 In hard cornering and under acceleration, up to 70-percent of available torque can be
directed to the rear wheels to enhance vehicle dynamics
 Up to 100-percent of the torque sent to the rear axle can be applied to either the left or
right rear wheel, depending on conditions
SH-AWD® System Layout
The MDX SH-AWD® is a full-time all-wheel-drive system that requires no driver
interaction or monitoring, thanks to a torque-transfer unit that is bolted directly to the
front-mounted transaxle. The torque-transfer unit receives torque from a helical gear that
is attached to the front differential's ring gear, and a short horizontal shaft and hypoid
gear set within the torque-transfer unit's case send power to the rear propeller shaft,
which in turn transfers power to the rear drive unit.
The MDX SH-AWD® rear drive unit is constantly overdriven by 1.7-percent and the
resulting overdrive effect is regulated by left- and right-side electromagnetic clutch packs
(located in the rear differential) that independently control the power delivered to each
rear wheel.
Direct electromagnetic clutch systems mounted on either side of the hypoid gear that
drives the rear axles control the amount of torque sent to each rear wheel and provide a
limited-slip differential function when needed. The clutches can be controlled as a pair to
alter front/rear torque split or they can be controlled independently to allow 100-percent
of available rear axle torque to go to just one rear wheel.
An electromagnetic coil modulates the pressure controlling each clutch pack, which
changes the speed of the sun gear within the rear differential’s planetary gear set to
control the amount of torque sent to each wheel. Electromagnetic control of the clutches
permits the torque delivery to each rear wheel to be proportioned in an exceptionally
quick and precise manner, which reduces wheel-slip in low-traction conditions.
The clutch packs and their friction material are carefully designed to withstand the small
amount of continuous slip between front and rear axles created by the 1.7-percent speed
differential – all while delivering the durability expected of an Acura product. Through
an oil-temperature sensor, the SH-AWD® Control Unit monitors the rear differential’s
clutch-plate coefficient of friction (which changes with temperature) in each clutch pack
and then adjusts the voltage to each electromagnetic coil to compensate. As total vehicle
miles accumulate, the SH-AWD® Control Unit uses data from a feedback loop to adjust
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the voltage supplied to the electromagnetic coils to compensate for any clutch wear,
ensuring optimal and consistent transmission of torque.
Trailer Hitch and Trailer Hitch ATF Cooler Kit (Optional)
When the need to tow arises, put your MDX to work by adding the Trailer Hitch. A
receiver-style hitch accommodates a variety of trailer coupler designs, and includes a
draw bar, retaining pin, clip, and wiring harness with 7-pin round-style connector. A 17/8 -inch or 2-inch balls available separately. The optional Trailer Hitch ATF Cooler Kit
will allow towing of up to 2,268 kg.
Remote Engine Start with Vehicle Feedback
With the MDX’s Smart Entry Keyless Access System, the Elite Package provides the
ability to start the vehicle’s engine remotely. This enables drivers to start their MDX,
thereby activating the climate control system before they get to the vehicle – perfect for
hot or cold days. The remote is designed to have a minimum 100 metre range of
operation. To start the engine remotely, the owner presses the LOCK button and then
holds the ENGINE button for a few seconds. When the engine is started remotely, the
wipers, lighting and audio systems remain off, and the security system remains set. The
engine will run for up to 10 minutes after remote starting, and then shut off automatically
if the owner doesn’t reach the vehicle within that time. When the owner does get to the
MDX within 10 minutes, the engine will keep running while the owner unlocks the
vehicle and gets in.
This system also provides feedback to the owner to confirm whether the engine is
running or the vehicle is locked. The remote has three LED indicators: amber, green and
red. To confirm engine start, the owner presses the LOCK button and then holds the
ENGINE button for a few seconds. The amber indicator will flash while the remote
communicates with the vehicle. If the engine is running, the green LED will then light for
one second. If the engine is not running, the red indicator will light for one second. To
verify whether the vehicle is locked, the owner presses the LOCK button once. After the
amber light comes on, either the green or red LED will light for one second to indicate
that the vehicle is locked or not, respectively. And if the red LED flashes three times, the
vehicle is out of the remote’s range.
This system can provide owners with the comfort of a pre-warmed vehicle on a cold
winter morning – or a pre-cooled interior on hot days. Plus, it adds the convenience and
confidence of knowing that their vehicle is securely locked, even far beyond the range of
a typical remote.
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The 2014 MDX design, created in the Acura Design Studio in Torrance, California, was
developed under the theme of “Aero Sculpture.” With its alluring proportions, smooth,
arching bodylines and confident stance, the 2014 MDX communicates a look of
sophistication and elegance while delivering new levels of aerodynamic efficiency. Its
five-point grille features a chrome surround and a decisive satin sash with black grille
bars. The new MDX is the second new Acura vehicle to feature Acura’s signature Jewel
Eye™ LED headlights, with five LED elements per side, providing a unique and
sophisticated appearance day and night. The side mirror-mounted turn signals, taillights,
Centre High Mount Stop Light and license-plate lights are also LED, with a look that is
uniquely MDX.
The MDX body sides are defined by a tall and dramatic beltline, windswept roofline,
decisive upper and lower character lines, stylized chrome door handles integrated into the
upper character line, dynamic fender arches, and chrome window surrounds. The Elite
Package also has elegantly functional chrome roof rails, and all models include a
functional rear spoiler.
50 mm, longer 17 mm lower, and 32 mm narrower than the model it replaces, the MDX
is designed to cheat the wind with 2-percent less frontal area and a 18-percent lower
coefficient of drag. This makes the third-generation MDX the most efficient vehicle in its
luxury class, garnering higher fuel economy than the previous-generation model in every
Natural Resource Canada FE rating category including City, Highway and Combined. In
addition to the 16-percent improvement in aerodynamic drag, the new MDX is more
luxurious in appearance.
The MDX body is highly rigid with torsional rigidity improved by 12 percent. In
addition, the 2014 MDX boasts a 67 percent increase in rigidity at critical suspension
mounting points, which combined with overall body rigidity gains provides the
foundation for its confident handling capabilities, refined ride quality and reduced cabin
noise and vibration.
The MDX incorporates Acura’s next-generation Advanced Compatibility Engineering™
(ACE™) front frame structure for enhanced frontal collision protection. Collision
protection is further enhanced by the world’s first ultra-high strength steel, one-piece
stiffener ring – comprising the A-pillar and B-pillar, roof rail and lower frame member –
for improved management of collision energy in frontal offset and side impacts and in the
event of a rollover.
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Body Dimensions
2014 MDX
Length, mm.
Width, mm.
Height, mm.
(without antenna)
Turning diameter at wheel Centre
Ground clearance, mm.
5,000 (2,268)
with optional towing hitch
5,000 (2,268)
with optional Trailer Hitch
ATF cooler kit
Curb weight, kg.
Max Cargo volume (L) behind 3rd
Max cargo capacity, (L)
Wheelbase, mm.
Track, Front/Rear, mm.
angle, deg.
Towing capacity, lbs.
**This figure reflects change in measurement method of maximum cargo
LED Lighting
The MDX’s new Jewel Eye™ light-emitting diode (LED) headlight arrays provide
brighter and sharper nighttime illumination and visibility compared to contemporary
high-intensity discharge (HID) headlights – and far superior performance compared to
traditional halogen projector beams. Besides improving driver confidence and passive
safety, the LED headlights also use less energy, helping to enhance fuel economy by
reducing engine loads. In addition, the LED headlights last up to three times longer than
HID headlights and up to six times longer than halogen headlights – contributing to less
frequent replacement and the associated cost savings.
The unique styling of the LED array helps give the MDX a distinctive appearance, both
day and night. The array includes five individual LEDs per side, covered by a composite
lens and accented by a chrome trim surround. All 5 LEDs illuminate as DRLs. The three
outer also function as the low-beams, while the inside two LEDs serve as high-beams. An
auto on-off function is included, and the low-beams are also keyed to the remote key fob
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The MDX also features LED taillights, license-plate illumination and side view mirrormounted puddle lights (and for overhead and accent lighting in the MDX cabin). LED
fog lights are an optional accessory on the MDX.
Acoustic Glass
The MDX utilizes 4.5-mm thick, 3-layer acoustic windshield and 4.8 mm front door glass
mitigates wind, road and traffic noise in the cabin. The rear side windows are also thicker
than in the previous MDX – up from 3.5 mm to 5.0 mm.
Lighting and Glass Technologies
2014 MDX
Xenon HID, auto on/off
Jewel Eye™ LED, auto
Windshield and front
Speed-sensing, variable
speed intermittent
Rain-sensing (new), speedsensing, variable speed
Acoustic glass
Windshield wipers
Puddle lights on side mirrors
Additional exterior lighting
Side mirror-mounted turn
signals, taillights, third
brake light
Navigation Package and up
License-plate lights, side
mirror-mounted turn
signals, taillights, third
brake light,
Underbody Airflow
Carefully managing underbody airflow helps reduce turbulence and drag for improved
fuel economy, while also enhancing stability at highway speeds. Strategically placed
aerodynamic under-body components – including front splash shields, an engine exit
cover, and a mid-floor undercover – help smooth airflow between the body and road
surface, while also helping to minimize power-robbing turbulence and drag. A front air
dam with a broad wickerbill, along with strakes positioned ahead of the rear tires, further
improves efficient airflow. The result is increased fuel efficiency, increased stability and
reduced wind noise on the highway.
Advanced Materials, Lower Weight
With high-strength steel, aluminum and magnesium totaling 64-percent of its body
structure, at a curb weight of 1,938 kilograms the 2014 MDX is 131 kg lighter than the
previous model. It also has the lightest published weight in its segment, which directly
contributes to improved acceleration, light and nimble handling, and class-leading fuel
The MDX is assembled from steel stampings that are robotically welded together to form
a single, lightweight unit-body with a high level of rigidity. A variety of advanced
2014 Acura MDX Press Kit
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materials and techniques give this structure exceptional strength and uniformity. One is
high-strength steel, which composes 59 percent of the body structure by weight,
including the use of 1,500-megapascal ultra-high strength “hot-stamped” steel in 7
percent of the body, enhancing collision protection while mitigating vehicle weight.
An example of high-strength components in the MDX are the one-piece stiffener rings
around the front doors, a world’s first technology. Formed from a single piece of hotstamped steel, each ring provides immense strength for enhanced performance in frontal
offset (small overlap) and side impacts, as well as enhanced roof crush protection. The
rigid tailgate opening is engineered to distribute loads through the rear suspension
mounts, further aiding body stiffness.
The MDX steering hanger beam is made of a magnesium casting, which spans the entire
width of the interior (behind the instrument panel). This new three-piece component
replaces the 26-piece aluminum version used in the previous MDX and saves 3.4
kilograms while reducing the potential for intrusion of the steering column into the cabin
in a frontal collision.
Light weight is of particular interest to driving enthusiasts. Performance can be increased
by reducing weight, as is continually proven on the racetrack (including the Nürburgring
Nordschleife road course in Germany, where the 2014 MDX was tested and validated).
Racing experience and supercomputers were both used to reduce weight in the new MDX
unit-body without sacrificing strength. This enhances its power-to-weight ratio, as well as
handling abilities and braking performance.
Body Materials
Steering hanger beam
Conventional steel
Unit-body, rear floor, fenders, doors, tailgate
High-strength steel
Components of: Roof structure, floor beams,
door ring stiffeners, tailgate ring
Hot-stamped steel
Front door rings
Noise, Vibration and Harshness (NVH) Reduction
To create a premium driving experience, extensive research and countermeasures were
applied to help reduce noise, vibration and harshness (NVH) throughout the new MDX.
Acura engineers began by working to eliminate NVH at its source with technologies such
as a highly rigid unit-body, tightly controlled manufacturing tolerances, a highly rigid
aluminum-alloy engine block and forged-steel crankshaft, electronically calibrated engine
mounts, careful aerodynamic tailoring, acoustic glass, and more.
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Active Control Engine Mounts
Debuting on the 2014 MDX is an Active Control Engine Mount system (ACM) that
minimizes the effects of engine vibration as the Variable Cylinder Management (VCM)
system switches between 3- and 6-cylinder modes. Special vibration sensors alert the
Electronic Control Unit (ECU) to direct ACM actuators – which are positioned at the
front and rear of the engine – to cancel vibration. Additionally, an Active Sound Control
system, operating through the vehicle’s stereo speakers, further reduces low-frequencies
associated with 3-cylinder operation by producing a reverse-phase sound profile. (See
Powertrain and Interior sections for more information.)
Road Noise Reduction
To help isolate road noise and reduce its intrusion into the cabin, the lower suspension
components attach to fully isolated steel subframes that ride on specially tuned bushings.
In addition, improved door sealing and melt sheet, an asphalt-based sound-damping
material, is bonded to the floor and wheel arches of all Acura vehicles at the time of
Wind Noise Reduction
Smoothing airflow over the complex shape of a vehicle body can help reduce not only
aerodynamic drag, but also the wind noise that is transmitted to the cabin. The 2014
MDX was tested extensively in a full-sized wind tunnel. Together with computer
simulations, wind-tunnel testing combined with sophisticated computer modeling allows
engineers to identify areas of the body that are prone to wind noise – and then analyze
fine detail changes with a high degree of accuracy.
One result of this testing is the MDX’s body-panel fit, which helps minimize gaps that
create turbulence and wind noise when the vehicle is traveling at speed. Other details
include carefully styled A-pillars and side mirrors, a flush-fitting windshield, moonroof
and side glass, and numerous other design details that all contribute to the low wind-noise
characteristics of the 2014 MDX.
Wind-noise attenuation details also include components that are not visible. For instance,
the MDX’s body sections are isolated using 22 clip-in foam inserts that expand during the
baking cycles of the body painting process. This material reduces wind noise transmitted
into the vehicle. The fin-type 69 mm high antenna, positioned at the rear of the roof
panel, is designed for low wind noise at speed, and the AM/FM radio antenna is
laminated into the right rear side window.
Outside Mirrors with Reverse Gear Tilt-Down
To improve convenience while parallel parking, the MDX’s aerodynamically sculpted
outside mirrors have a reverse-gear tilt-down feature that allows the driver to see the curb
or curbside objects. Either the left- or right-hand mirror can be selected to automatically
tilt down when reversing. After shifting into reverse, the driver simply moves the mirroradjustment selector switch position to either the right or left. The corresponding mirror
then tilts down to provide a clear view of the curb or curbside on that side of the vehicle.
The mirror automatically returns to its previous position when the gear-selector lever is
2014 Acura MDX Press Kit
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moved out of Reverse.
Auto-Dimming Side Mirrors (Technology and Elite Packages)
Included in the Technology and Elite Packages, auto-dimming side mirrors use the same
activation sensor as the MDX’s auto-dimming inside rearview mirror. The auto-dimming
function of all three mirrors helps reduce glare during nighttime driving, especially from
the headlights of following vehicles.
Included in the Navigation Package and up, LED puddle lights, mounted on the bottom of
the sideview mirror housings, add convenience for the driver and front passenger at night.
These LEDs automatically illuminate when the driver approaches and the vehicle detects
the remote.
Expanded View Driver’s Mirror
A new Expanded View Driver’s Mirror performs like two mirrors in one. The larger,
inset portion of the mirror is relatively flat and works like a conventional sideview mirror
to show objects to the side of the vehicle. The outer portion of the mirror is optically
convex and functions as a wide-angle mirror to expand the driver’s view to the side by
approximately 43-percent, helping to reduce the blind-zone area.
Rain-Sensing Wipers (Navigation and up)
MDX models with the Navigation Package include rain-sensing wipers that automatically
activate if water is detected on the windshield. Designed to cover the maximum possible
windshield area, the left (driver) and right (front passenger) windshield wipers are 660
and 508 mm long, respectively. The rear wiper is 356 mm long.
One-Touch Turn Signals
The MDX’s one-touch turn signals improve convenience for the driver when making
routine lane changes. With this system, a quick movement of the turn-signal lever
(between 0.4 sec. and 1 sec.) provides three blinks of the turn signals – an ideal strategy
for changing lanes. Holding the lever for one second or longer (past the “click point”)
provides continuous blinking, such as for signaling a turn or exiting a thoroughfare.
Parking Sensors (Elite Package)
The Elite Package includes parking sensors (4 front and 4 rear), located on the front and
rear bumpers. The sensors use ultrasonic wave technology to detect nearby obstacles. If
an object is detected, the system will sound an audible alert and can display a warning
icon in the Multi-Information Display (MID) and upper display.
Alert sound characteristics change depending on how close the MDX is to the object. The
system starts with slow intermittent beeps when an object is first detected, and progresses
to quick intermittent beeps as the MDX moves closer. The system will sound a
continuous beep when the vehicle is within a few inches of the object.
Note that the parking sensors cannot detect all obstacles, and that the driver is always
responsible for making sure the path is clear when operating the vehicle.
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Multi-Angle Rearview Camera
All 2014 MDX models feature a multi-view rear camera with a large console display. Its
wide-view format significantly expands the driver’s rearward visibility when the camera
is in use, increasing both convenience and safety. (See Interior section for more
Surround View Camera System
The MDX Elite package features a 360 degree viewing system called Surround View
Camera System. Using 4 cameras located around the vehicle (1 in front grill, 1 in each of
the outside door mirrors and 1 in rear license garnish), it gives the driver a “Bird’s Eye”
view of their surroundings to easily maneuver around tight spaces. The Surround View
Camera System can switch between 6 viewing modes:
Front View + Ground View
Rear View + Ground View
Front Wide View
Rear Wide View
Both Side View
Right Side View
Low-Profile Roof Rails (Elite Packages)
Included with the Elite Package, aerodynamically shaped roof rails add versatility
without detracting from the MDX’s streamlined package. Chrome-plated for an upscale
appearance, the rails accept available cross bars that can hold a variety of accessories
including a storage case or racks for bikes, boards or skis.
Smart Entry with Push Button Start
The MDX features Acura’s Smart Entry with Push Button Start. The Smart Entry system
permits access to the vehicle’s front doors without having to operate the key fob or
conventional key (all four doors are accessible with the Technology Package and up).
The Smart Entry remote has a unique digital identity and the MDX can be unlocked when
the driver grabs one of the door handles while the remote is in his/her possession. When
carrying the fob (or if all doors are unlocked), the tailgate can be opened using the handle
located on the MDX’s rear tailgate.
Once the driver has opened the door and is seated, the Smart Entry system allows the
MDX to be started by pushing the Engine Start/Stop button positioned on the instrument
panel. When leaving the vehicle, a press of the soft-touch button on the exterior front
door handles or tailgate locks all the doors. Alternatively, pressing the Lock button on the
Smart Entry remote will also simultaneously lock all doors.
Smart Entry also features a unique “quick vent” feature. When the operator depressed the
“unlock” button on the keyless remote for two seconds after unlocking the doors, the
system lowers all four side windows and opens the power moonroof to quickly vent
interior heat. In addition, by inserting the built-in key into the driver’s door lock and
holding the key in the "lock" position, all open windows can be simultaneously raised.
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Remote Preferences
The Acura MDX comes with two keyless remotes that can be set with a unique
preference to accommodate the preferences of two different drivers. The available
preferences include driver seat, steering wheel and mirror positions, along with select
HVAC functions. Other preferences include turning entry lights on or off, audio system
pre-sets, air conditioning preferences, and navigation system settings. In the event both
owners use the car at the same time, the MDX will recognize the keyless remote that
approaches the vehicle first.
Tailgate Functions
Like previous MDX models, the new 2014 MDX’s rear tailgate can be controlled from
the remote key fob—including unlocking, opening and closing the tailgate. In addition,
the rear tailgate is now part of the Smart Entry system. When the MDX is locked, and the
driver approaches the rear tailgate, the tailgate will automatically unlock (as long as the
fob comes within about 0.8 metres of the vehicle). The tailgate can then be opened
simply by lightly touching the switch membrane beneath the Acura badge.
Exterior & Interior Colours
The 2014 MDX is available in seven exterior colours, including three metallic and four
pearl colours. All colours are expressive and luxurious in appearance, complimenting the
MDX’s sophisticated and dynamic body shape. The acid-resistant epoxy clear-coat paint
is superior to typical clear-coat paints for increased resistance to urban pollutants.
Colour (Exterior/Interior)
White Diamond Pearl [NH-603P] / Ebony [BK(A)]
Navigation Pkg.
Technology Pkg.
Elite Pkg.
White Diamond Pearl [NH-603P] / Parchment [IV(F)]
Alabaster Silver Metallic [NH-700M] / Ebony [BK(A)]
Crystal Black Pearl [NH-731P] / Ebony [BK(A)]
Obsidian Blue Pearl [B-588P] / Greystone [GR(B)]
Forest Mist Metallic [G-537M] / Parchment [IV(F)]
Dark Cherry Pearl [R-529P] / Parchment [IV(F)]
Crystal Black Pearl [NH-731P] / Parchment [IV(F)]
Graphite Luster Metallic [NH782M] / Ebony [BK(A)]
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The all-new chassis of the 2014 MDX has a tremendous operational bandwidth. Among
its defining characteristics, the MDX is easy to drive while fostering a high degree of
driver confidence in wide range of weather and road conditions. It is also more luxurious,
with improved suspension isolation that reduces road noise, vibration and harshness in
the cabin.
The 2014 MDX chassis features new front and rear suspension systems. In all trim levels,
the new MDX imparts more confidence for the driver with electric power steering (EPS)
that improves low-speed steering effort and high-speed steering feel. It is also secure with
standard Agile Handling Assist and Vehicle Stability Assist™ (VSA®), and available
Collision Mitigation Braking System™ (CMBS) and Lane Keeping Assist System
(LKAS). The chassis also contributes to fuel efficiency, with low rolling-resistance tires
and low-drag bearings and brake calipers.
All of the features above make the MDX well suited to its role as a luxury transportation
solution for those who want to travel in comfort, safety and style. Here are some of the
key chassis features of the 2014 MDX. (See Body and Safety sections for more
4-wheel independent suspension
Amplitude Reactive Dampers
Agile Handling Assist
Vehicle Stability Assist™ (VSA®)
Trailer Stability Assist
Low rolling-resistance 18-inch M+S tires
Electric Power Steering (EPS)
4-wheel disc brakes with ABS and Brake Assist
Tire Pressure Monitoring System (TPMS)
MDX with Navigation Package
 Low rolling-resistance 19-inch M+S tires
MDX with Elite Package
 Lane Keeping Assist System (LKAS)
 Collision Mitigation Braking System™ (CMBS)
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2014 MDX
Tires, standard
245/60 R18
Tires, available
(Technology Package and up)
245/55 R19
Wheels, standard
Aluminum alloy,
18 x 8.0
Aluminum alloy,
18 x 8.0
Wheels, available
(Navigation, Technology,
Aluminum alloy,
18 x 8.0 (Tech)
19 x 8.5 (Elite)
Aluminum alloy,
19 x 8.0
(Navi, Tech, Elite)
13.0-inch vented disc/
13.1-inch solid disc,
power assisted
12.6-inch vented disc/
13.0-inch solid disc,
power assisted
Collision Mitigation Braking
System™ (CMBS)
Included in Elite Package
Included in Elite Package
Suspension, Front/Rear
Strut/multi-link with
monotube dampers with
internal blow-off valve
Strut/multi-link with
Amplitude Reactive Dampers
Not available
Included in Elite Package
Variable power-assist rack
and pinion 22-mm diameter
steering column
Electric Power Steering (EPS),
rack and pinion, 30-mm
diameter steering column,
speed sensing and three-modes
Not available
Vehicle Stability Assist™
(VSA®) with traction control
Trailer Stability Assist
Tire Pressure Monitoring
System (TPMS)
Brakes, Front/Rear
Lane Keeping Assist System
Agile Handling Assist
4-Wheel Independent Suspension
The MDX’s independent front and rear suspension systems are engineered to provide
long wheel travel and excellent compliance for a luxurious ride, together with the precise
damping and spring rates needed for excellent handling and a sporty driving feel.
In front is an all-new strut-type system with forged-aluminum lower control arms with
hydraulic bushings, coil springs and a solid stabilizer bar. This setup uses moderate
spring rates, relatively firm damping and specially tuned bushings for a smooth,
controlled ride with exceptional cornering abilities. The upper front damper mounts
provide a “triple path” load-bearing system that absorbs road vibration and harshness.
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At the rear is an all-new compact multi-link design with a tubular stabilizer bar. This
multi-link system allows a generous amount of wheel travel and excellent compliance for
a supple ride, together with confident cornering and handling. All rear suspension control
arms are steel – including high-strength steel upper and lower control arms. Geometry for
the system is improved, with the upper damper mounts located on the body side rails for
greater rigidity, and softer bushings calibrated to reduce road noise without
compromising handling.
Suspension load paths are reduced from ten to just six, and where the previous setup
transmitted suspension loads to the vehicles rear wheelhouse, the new setup transmits
suspension loads to the more rigid body side frame, which allows for more aggressive
tuning of suspension bushings to aid both ride comfort and handling precision. The
transmission of road vibration to the second- and third-row seats is significantly reduced.
Further, the elimination of the forward trailing arm on the previous MDX’s rear
suspension allows for a 46 mm lower floor, providing for easier third-row ingress and
egress (along with 114 mm wider foot entry point enabled by the longer wheelbase and
redesigned second-row seat).
Vibration-Damping Subframes
The MDX’s engine, transmission and suspension components are mounted on rigid steel
subframes. These subframes attach to the unit body at rubber-isolated mounting points
that help keep powertrain and road noise, vibration and harshness (NVH) out of the
passenger cabin. The subframe rear mounts are filled with specially tuned hydraulic fluid
for maximum effectiveness. Permanently sealed, they require no scheduled maintenance.
The rear subframe is particularly sophisticated, with hydroformed side elements for
maximum strength and minimal weight.
Amplitude Reactive Dampers
Amplitude Reactive Dampers provide superior ride comfort and handling in all driving
conditions. The dampers have two separate hydraulic circuits – one tuned to optimize the
ride quality on smooth roads with relatively small irregularities, and the other tuned to
handle large inputs resulting from rough roads or large steering and braking inputs. As a
result, the MDX remains smooth and supple when cruising, and secure and tight feeling
in corners with reduced body roll.
The key Amplitude Reactive Damper technology consists of two separate damping
pistons: a main piston and a second piston. To improve overall ride comfort, when
smaller inputs occur during normal driving conditions, only the main piston works to
provide the ideal damping characteristics. To improve the MDX’s ride and handling on
rougher surfaces and during more aggressive driving, the second piston operates to
provide additional damping force.
The Amplitude Reactive Dampers are a purely mechanical system that does not require
electronic controls. Altogether, they provide a much wider range of effective damping
performance than offered by the previous base MDX.
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Electric Power Steering (EPS)
The MDX’s new Motion-Adaptive Electric Power Steering (EPS) system helps enhance
fuel efficiency by putting less demand on the engine, compared to the previous enginedriven hydraulic-boost system. At low speeds, EPS lowers steering effort, improving
driver comfort and convenience in city driving and while maneuvering. The system also
provides a precision road feel while cornering, along with a firmer and sportier feel on
the highway. Compared to the previous MDX steering system, new EPS has a 9-percent
quicker ratio for quicker overall steering response that is more sedan-like than in the
previous-generation MDX.
The MDX’s standard Integrated Dynamics System (IDS) will adjust steering effort
depending on the selected mode – Normal, Comfort or Sport. In Normal mode, the
steering effort is balanced between comfortable and sporty. Selecting the Comfort mode
eases steering effort for a more relaxed driving experience, especially at low speeds. The
Sport mode provides a firmer steering feel with higher effort that complements more
aggressive driving.
Debuted on the 2013 RDX, Motion-Adaptive EPS works with Vehicle Stability Assist
(VSA®) and Electric Power Steering to detect instability in low traction conditions (both
during cornering and under braking) and automatically initiates steering inputs aimed at
prompting the driver to steer in the correct direction. This technology supports the
driver's action in operating the vehicle more safely and comfortably.
The Motion-Adaptive EPS system consists of a rack-and-pinion steering gear with an
electric motor is located next to pinion axle. To control the level of assist the Powertrain
Control Module receives signals from a speed sensor and, coupled with a steering sensor
for torque and rotation, then calculates the optimal amount of assist and sends a signal to
the electric motor.
When compared to the operation of a conventional hydraulic pump power steering
system, Motion-Adaptive EPS increases efficiency because it does not draw a continuous
amount of power directly from the engine. Other advantages of electric power-assisted
steering include its simplicity, its lower power consumption (which helps improve fuel
efficiency), and its compactness (and resulting lower overall weight).
Agile Handling Assist
Standard on the MDX, the Agile Handling Assist system selectively uses the vehicle’s
brakes to improve initial turning response and overall cornering ability. Agile Handling
Assist utilizes brake vectoring to improve corner traceability and confident handling feel.
By applying braking force to the inside wheels at the entry to a corner, the system creates
a yaw moment, thus generating more turning force.
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4-Wheel Disc Brakes with ABS and Brake Assist
The 2014 MDX has 4-wheel disc brakes with a 4-channel anti-lock braking system
(ABS) for a powerful and linear brake feel, and confident stops in a wide range of driving
conditions. The ventilated front discs are 12.6 inches in diameter and use two-piston
calipers, while the solid rear discs are 13.0 inches in diameter and have single-piston
calipers. The calipers are designed to reduce brake drag when not in use, reducing rolling
resistance and improving fuel economy in the process.
An Anti-lock Braking System (ABS) independently modulates braking power at each
wheel to help the driver retain steering control during heavy braking, while Brake Assist
recognizes emergency braking situations and almost instantly applies full braking force
when appropriate.
Vehicle Stability Assist™ (VSA®)
The MDX’s standard Vehicle Stability Assist™ (VSA) system works in conjunction with
the Drive-by-Wire throttle, ABS, EPS and SH-AWD® (if so equipped) to enhance vehicle
stability when cornering. If understeer or oversteer is detected, VSA selectively reduces
power and/or applies braking force to individual wheels to help correct the condition and
stabilize the vehicle. VSA helps improve all aspects of performance (including turning,
braking and straight-line stability) in low-grip situations, thus helping to keep the vehicle
on its intended course. The system is calibrated to add stability and predictability
transparently, and drivers may not even notice when VSA is working.
As an integral component of VSA, traction control monitors drive-wheel slippage, such
as when starting or driving on slick surfaces. If this is detected, traction control activates
one or more brake calipers and reduces engine torque to slow the spinning wheel so it can
regain traction.
Trailer Stability Assist
Trailer Stability Assist helps enhance vehicle stability while a trailer is being towed. An
integral part of Vehicle Stability Assist™ (VSA®), Trailer Stability Assist detects trailer
oscillations that can result from improper loading, excessive speed, adverse road
conditions, crosswinds or emergency-avoidance maneuvers.
When such oscillations are detected, Trailer Stability Assist provides a warning and gives
the driver the opportunity to reduce speed. If the driver does not reduce speed – or does
not reduce speed sufficiently to stabilize the vehicle – then VSA automatically activates
to help damp the oscillations before they can increase and further upset the stability of the
vehicle and trailer.
Tire Pressure Monitoring System (TPMS)
The Tire Pressure Monitoring System (TPMS) alerts the driver via a lighted icon on the
instrument panel whenever any of the vehicle’s tires has a significantly low pressure.
Should this occur, TPMS automatically activates the Vehicle Stability Assist (VSA)
system, regardless of which VSA switch position is selected. At the driver’s discretion,
the Multi-Information Display (MID) can be configured to show the current pressure of
2014 Acura MDX Press Kit
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each tire.
Wheels and Tires
The MDX has stylish 5-spoke 18-inch aluminum-alloy wheels, with a combined
machined face and pewter gray finish. Navigation Package and up models have 19-inch
aluminum-alloy wheels. On the Navigation and Technology Packages, the wheels have
10 spokes and a combined machine-face and pewter-gray finish, while the 7-spoke Elite
Package wheels have a cast-aluminum with medium Euro silver finish.
The MDX comes standard with 245/60 R18 all-season tires, while the Navigation
Package and up models have lower-profile 245/55 R19 all-season tires for enhanced
driving performance. All tires offer improved steering precision, as well as 20 percent
less rolling resistance than the previous MDX’s tires, contributing to greater fuel
efficiency. For all-wheel drive MDX models, a spare tire on a steel wheel is mounted
below the trunk, where it does not intrude on interior storage space.
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The 2014 MDX is a clean-slate design that offers a new level of luxury, convenience and
technology in a spacious new cabin that’s perfect for children or clients. With the sevenpassenger MDX’s longer wheelbase and more compact rear suspension design, its
interior packaging has been completely reworked to provide more usable and versatile
passenger and cargo space, and improved third-row access.
A new One-Touch Walk-In feature for the second-row seats, along with a 114 mm wider
foot entry point and 46 mm lower step-in height, makes third-row ingress and egress
easier. A new Extended Slide feature for the second-row seats provides 150 mm of total
fore-aft seat travel, allowing for more flexibility in accommodating the needs of both
second- and third-row passengers. Up front, the new centre console, aided by a
repackaged rear HVAC system, features a large storage area that can accommodate a
moderately sized purse and a tablet computer, something few competitors can match.
High-end elements such as soft-touch materials, premium finishes, wood-grain accents
(genuine Olive Ash on Elite trim) and satin chrome plated trim combine with an intuitive
new control layout to create an upscale and user-friendly environment. Leather-trimmed
(with stain resistant technology) heated power front seats are standard and offer all-day
comfort along with abundant lateral support. A power tilt/telescoping steering wheel with
enhanced fingertip controls and a multi-view rearview camera are standard on all models.
Luxury SUV owners have high expectations for their in-vehicle information and
entertainment experience. Enhanced connectivity is made possible by the MDX’s new
AcuraLink® system, with thousands of entertainment channels available with Aha™
mobile, all delivered via the owner’s internet-linked smartphone and data plan. There is
also a host of available security and convenience features, including accident notification,
remote unlocking, stolen vehicle tracking and surface street traffic information, all
delivered via built-in cell technology.
With the expanded range of standard and available technology features, substantial
engineering effort was put into making each feature in the new MDX intuitive and easy
to use. The focal point of the new instrument panel is the standard 8-inch colour
audio/information screen that provides a range of useful information and access to an
array of customizable features.
A 7-inch On-Demand Multi-Use Display™ positioned within easy reach of the driver and
front passenger controls the audio system and many other features. The touchscreen
eliminates over 30 physical buttons, and is the key contributor to the clean, uncluttered
look of the new MDX interior. Dynamic menus clearly display controls for each
functional mode, reduce screen clutter, and help make operation simple. Audible and
haptic feedback improves usability and control, and helps the driver keep their eyes on
the road. Customizable shortcuts allow the MDX driver to set easy-to-access pre-sets for
Places, Phone, Climate, and Audio functional categories.
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A new spectrum of driver-assistive technologies is offered on the MDX. The Navigation
Package features Forward Collision Warning (FCW) and Lane Departure Warning
(LDW) and Blind Spot Information (BSI) system. The Elite Package has standard
Adaptive Cruise Control (ACC) with Low-Speed Follow, Lane Keeping Assist System
(LKAS), and front and rear parking sensors.
995/ 980/ 908
969 / 973 / 904
Legroom, mm. (1st row/2nd
row/3rd row)
1048/ 983/ 729
1051 / 929 / 713
Max legroom, mm. (1st row/2nd
row/3rd row)
1048/ 983/ 729
Hip room, mm. (1st row/2nd
row/3rd row)
1461 / 1468 / 1031
Shoulder room, mm. (1st
row/2nd row/3rd row)
Passenger volume, litres
1565/ 1561/ 1450
1551 / 1502 / 1390
Seating capacity
Headroom, mm. (1 row/2
row/3rd row)
Max cargo volume litres
(behind 3rd row/2nd row/1st
**This figure reflects change in measurement method of maximum cargo
Design and Materials
The new MDX interior expands on Acura’s premium luxury design themes, with clean
high-end detailing, intuitive functionality and elegant lines. An Acura design concept
called “dual personal structure” guided development of the MDX. It divides the front
cabin space into areas centered on the driver and front passenger, with a centre stack and
console that is easily accessible to each person. Fit and finish have received close
attention throughout the interior, with high-quality, soft-touch materials and available
perforated Milano leather with stain resistant technology.
Driver-Oriented Cockpit
The strategy behind the MDX’s interior design, based on Acura’s “the Synergy between
Man and Machine” product direction, is to put the driver’s needs first and foremost, to
help the driver focus on operating the vehicle in an intuitive and natural way. All
important systems and controls are within easy reach, and the systems used most
frequently – audio, cruise control, Bluetooth® HandsFreeLink®, available satellite-linked
Acura Navigation System with Voice Recognition™ and Multi-Information Display –
have controls conveniently positioned on the steering wheel. The main instrumentation is
an easy-to-read analog design, supplemented with digital and graphic displays.
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Leather-Wrapped Steering Wheel
The leather-wrapped steering wheel features new euro-style stitching and incorporates the
most commonly used controls, allowing the driver to keep their hands on the wheel.
Phone and audio controls are on the left side, along with heated steering wheel switch;
cruise control and multi-info display controls are on the right side, along with the
switches for Lane Keeping Assist System (LKAS) and Adaptive Cruise Control with
Low-Speed Follow (on MDX with Elite Package). Tucked out of view but within
fingertip reach is a pair of paddle shifters that allow for manual operation of the
Sequential SportShift 6-speed automatic transmission.
Heated Steering Wheel
A heating button switch mounted on the lower left side of the steering wheel can be
activated when the ignition is switched on, and is also integrated to the Remote Engine
Start System for automated heating.
The MDX has sophisticated analog instrumentation with large tachometer and
speedometer flanking a colour Multi-Information Display (MID) that provides a range of
information and trip computer functions. The tachometer and speedometer are flanked by
analog coolant temperature and fuel level gauges.
Multi-Information Display
A Multi-Information Display (MID) positioned between the tachometer and speedometer
gives the driver access to a range of useful information. Controls positioned on the right
side of the steering wheel allow the driver to cycle the MID display through multiple
screens of information from sources including Lane Keeping Assist System (LKAS),
Adaptive Cruise Control (ACC) and more. The Maintenance Minder™ system alerts the
MDX driver of upcoming maintenance needs via the MID and should a fault occur with
the vehicle, specific warning information appears. On models with Navigation, the MID
also provides turn-by-turn route guidance, a new feature for MDX.
Audio/Information Screen
All MDX models feature a bright, full-colour 8-inch audio/information screen positioned
high in the centre stack of the instrument panel. Its high placement puts it close to the
driver’s line of sight where it’s easy to see. Besides audio system information, the screen
also offers backup camera views and access to a range of customizable features.
On-Demand Multi-Use Display™
The impressive range of technology offered in the MDX presented designers with the
challenge of balancing capability with simplicity. The solution was a 7-inch On Demand
Multi-Use Display™ (ODMD) touch screen positioned within easy reach of the driver
and front passenger. The touchscreen controls a wide range of features, and with its
contextual menus, it displays relevant items while minimizing clutter. To make it easy to
use, the screen offers audible and vibratory touch feedback – both can be adjusted or shut
off based on the owner’s preference. Customizable shortcuts allow the MDX driver to set
easy-to-access presets for Places, Phone, Climate and Audio functional categories.
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Power Front Bucket Seats
Considering the luxury mission and performance of the MDX, its seating required
extensive engineering development. The new front bucket seats are designed to provide
comfortable support for a wide range of body types, along with secure lateral support for
cornering. The seats feature luxurious leather seating surfaces, with upgraded perforated
Milano leather in the MDX with Technology and Elite Packages. The MDX driver’s seat
features 10-way power adjustability (8-way power seat plus 2-way power lumbar
support). The front passenger seat offers 8-way power adjustability standard, with 10way power adjustability available on the MDX with Elite Package. All driver's seat
power adjustments are included in the Smart Entry system (among many other features).
The system stores a pair of user profiles regarding seat settings – one for each of the two
key fobs that come standard with the MDX.
Heated front seats are standard in the MDX. A new algorithmically controlled ECU
allows for three temperature settings, along with faster warm-up and smoother, more
precise temperature control. The Technology and Elite Packages adds heated rear seats.
The Elite Package also includes ventilated front seats.
Second-Row Seats with Extended Slide
The MDX’s roomy second-row seating is designed for maximum comfort and versatility,
with a 60/40 split-folding design that makes it easy to accommodate passengers or long
cargo. The second-row seats also have a new Extended Slide feature that provides a total
of 150 mm of additional fore-aft seat travel (100 mm forward, 50 mm rear), offering
passengers greater flexibility in selecting the optimal balance of second- and third-row
legroom. A nearly flat floor opens up foot room for a centre passenger. Also new on the
2014 MDX are five-position reclining second-row seatbacks to further aid comfort for
second- and third-row passengers. There is also a padded, folding centre armrest with two
cupholders. In the MDX with the Technology and Elite Packages and above, second-row
seat heaters are standard.
Third-Row Seats with One-Touch Walk-In Access
The MDX’s more compact rear suspension, longer wheelbase and One-Touch Walk-In
feature provide for easier access to the third row. Now, even youngchildren will find it
easy to gain access to the MDX’s third-row seats from either side of the vehicle via the
illuminated One-Touch Walk-In buttons – one button located outboard on the base of the
second-row seats and a second button on the upper portion of the second-row seatback.
With a single push of the electronically actuated button, the second-row seatback (left or
right) folds forward and the seat automatically slides forward. To help reduce the risk of
unintentional operation, the buttons will not operate unless the brake pedal is depressed
or the gear selector is in Park.
Finished Storage Space
Dual large brushed aluminum plates measuring 411 mm long by 100 mm wide protect the
carpeted cargo-area floor during loading and unloading. With both second- and third-row
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seats folded, the cargo floor is near fully flat with only a small, 4.5-degree pitch, versus
the previous MDX cargo floor, which had three varying angles of pitch.
Even with the third-row seat in the upright position, the storage area is designed to
improve the MDX’s ability to hold bulky items, including a golf bag, stroller, two
suitcases or a 56-quart cooler. Four rectangular satin-finished tie-down anchors allow
securing cargo when the third-row seat is folded.
Lifting the cargo floor panel reveals an additional hidden storage area with a cargo
volume of 50 litres. – enough to hold folding chairs (bag type) or two laptop computer
cases. In addition, a handy storage bin is positioned at the left side of the cargo area
behind the rear seat, with a 12-volt power outlet nearby. Two incandescent bulbs evenly
illuminate the storage area.
The third-row seats are split 50/50, and each side can be folded flat with one pull of a
handle. The head restraints fold forward first, and then the seatback is unlocked so it can
be folded forward easily.
Interior Lighting
The MDX’s analog instruments are backlit with LED lighting and feature high-contrast
markings, and the look of a premium chronograph. The gauge package progressively
illuminates to give the driver a welcoming feel upon entry. When the door is first opened,
the instrument lighting comes to life and then brightens progressively to 100-percent
illumination when the ignition is switched on. The illuminated instrument panels then
come alive, indicating that the MDX is ready to go. At the end of the drive, the
instrument lighting dims progressively.
The interior switches are illuminated to make them easy to locate at night, including the
switches on all four doors and the steering wheel. In addition to front and rear overhead
interior lights and map lights, the MDX also has a complement of low-level LED interior
cabin lights. Ambient lighting in the ceiling illuminates the front centre console, and the
front foot wells and door handles. Entry front foot well lighting welcomes the passenger
as they open the doors. The MDX interior lights feature "theatre dimming," which can be
set by the driver to one of several dimming rates via the Multi-Information Display.
Interior Convenience
The MDX interior offers a range of convenient storage features for the driver and
passengers. All four doors offer storage bins and bottle holders, and there are cupholders
on each side of the third row of seating.
The development of a new, integrated HVAC assembly for the 2014 MDX enables the
centre console storage space to be enlarged significantly. About 50 mm deeper and wider,
and almost 127 mm longer, the main compartment offers 2.5 times more volume than the
previous generation. It’s large enough to accommodate a moderately sized purse, a tablet
computer and more. The console also features two beverage holders, a front pocket with a
12-volt outlet, a cell phone/iPod® pocket next to another 12-volt power outlet and USB
2014 Acura MDX Press Kit
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Audio Interface, a sliding tray over the main storage space and another tray under the
sliding, padded armrest.
GPS-Linked, Tri-Zone Automatic Climate Control
Navigation Package equipped MDX trims and up have a unique GPS-linked temperature
control, tri-zone automatic climate control system that lets the driver, front passenger and
rear passengers set temperatures to their individual liking.
To operate the HVAC system, easy-to-read buttons and controls are positioned within
easy reach. The HVAC system can also be controlled by voice command (MDX with
Navigation Package and higher grades), and additional custom settings can be accessed
through the 7-inch On-Demand Multi-Use Display™.
With its position-sensing ability, the GPS navigation system (MDX with Navigation
Package and higher) contributes to overall passenger comfort with a 3D solar sensing
feature. Based on continuously updated vehicle position information, the navigation
system determines the position of the sun relative to the driver and front passenger.
Combining this information with input from a solar sensor located on top of the
instrument panel, the climate control system automatically adjusts the temperature and
airflow from side to side as needed to compensate for asymmetrical solar heating.
Further, on the Elite Package, the heated and ventilated front seats are electronically
linked to the climate control system, expediting the transition to the desired temperature.
Rear Sunshades
For increased rear-seat privacy, reduced solar loading and glare, the MDX (with
Technology and Elite Packages and up) now has manually operated sunshades for each
rear door side window.
Active Noise Control (ANC) and Active Sound Control (ASC)
Key contributors to the MDX’s quiet, refined interior are Active Noise Control (ANC)
and Active Sound Control (ASC). The two systems are comprised of dual overhead
microphones, an ANC/ASC electronic processor, and the audio system’s speakers.
ASC/ANC operates whenever the MDX engine is running, even if the audio system is
turned off.
ANC is designed to reduce low frequency sound in the cabin caused mainly by the
roughness of the road surface. The overhead microphones pick up sound waves and send
them to the ANC/ASC processor, which creates and sends a precisely timed “reverse
phase” audio signal to a special amplifier. In turn, the amplifier drives the door speakers
to cancel the original noise signal.
ASC is a related technology designed to improve the engine sound quality by making the
sound pressure level more linear as the engine revs increase. Typically, engine noise
doesn’t increase in a linear way with rising revs; instead there can be many resonances
that create peaks and valleys in the sound pressure level, resulting in an uneven sound.
2014 Acura MDX Press Kit
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ASC helps smooth out the engine sound by creating a same-phase or reverse-phase sound
signal as needed and sending it to the speakers.
AcuraLink® Connectivity System
The MDX is the second Acura model, after the 2014 RLX luxury sedan, to offer
AcuraLink®, Acura’s cloud-based connected car system. AcuraLink is the new centre
point for owners for hands-free access to cloud-based services, audio and information,
and is designed to keep MDX drivers informed and connected while on the go.
The connectivity required for AcuraLink’s various features is distributed between the
MDX’s embedded system (for some of the fee-based features, with Technology Package
and above) and the owner’s compatible smartphone and data package (for free features,
in all MDX models). AcuraLink works with the owner’s compatible smartphone and data
package to connect the MDX with music and information resources, internet apps, and
more. Aha™ by Harman is a key AcuraLink resource.
Aha™ organizes the MDX owner’s favourite content from the web into personalized ondemand radio stations in the vehicle. Aha™ is a comprehensive, cloud-based platform
optimized for the automotive environment that provides a simple integration point for
AcuraLink equipped vehicles to bring a wide range of current and future applications into
the audio system head unit. This new capability allows users to access their favourite
podcasts, internet and terrestrial radio, on-demand music, restaurant recommendations via
Yelp, and even audio updates from Facebook and Twitter. Owners can use the AcuraLink
website and smartphone apps to access information or change preferences.
AcuraLink Service Levels
AcuraLink has three available levels of services. The Standard Package comes enabled
on Navigation Package-equipped MDX vehicles and up, and includes services such as
surface-street and freeway traffic (free for the first four years of ownership). The Connect
Package adds a wide range of capabilities (Navigation Package and above), including
automated crash notification and an in-vehicle Emergency System that connects you with
a live Operator with the push of an overhead button. The Premium Package adds Live
Concierge operator assistance via the MDX’s embedded cell phone (Navigation Package
and above). The Concierge service can send destination information directly to the MDX
navigation system, make reservations on their behalf, update the user on weather, stocks
and much more.
 AcuraLink Real-Time Traffic™ with freeway traffic and surface street traffic
(complimentary for four years)
 Acura vehicle feature guide
 Bluetooth® HandsFreeLink® mobile phone connectivity
 SMS text message function
 Email function
 Aha™: Internet radio, personalized music, news, podcasts, audio books, Facebook and
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SiriusXM™ Radio (standard in all MDX trims)
Automated service appointments
Connect Package (Complimentary for 4 years of ownership)
Includes Standard services and adds:
 Automated crash notification and location
 Assist Call
 Enhanced roadside assistance
 Alarm notification
 Car finder
 Remote door lock/unlock
 Stolen vehicle tracking
 Link call information
 Local search
 Destination search using Interactive Voice Response (IVR)
 Send to car
 Virtual dashboard
 Remote diagnostics
Premium Package (Complimentary for 1 year of ownership)
Includes Connect Package services and adds:
 Live Concierge operator assistance (24 hours a day, seven days a week)
AcuraLink Smartphone App/Website
With an active Connect or Premium Package, the AcuraLink system gives the owner a
range of features they can control or monitor remotely, via the AcuraLink Connect
smartphone app or AcuraLink website.
AcuraLink remote features:
 Door lock/unlock
 Stolen vehicle tracking
 Vehicle finder (sounds horn and flashes lights)
 Security alarm notification
 Send destination to MDX
 Virtual dashboard
 Odometer
 Fuel level
 Fuel range
 Door lock status
 Hood status
 Tire pressure
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Aha™ by Harman
A new feature called Aha™ is accessed via AcuraLink. Aha™ organizes the MDX
owner’s favourite content from the web into personalized on-demand radio stations in the
vehicle. Aha™ is a comprehensive, cloud-based platform optimized for the automotive
environment that provides a simple integration point for AcuraLink equipped vehicles to
bring a wide range of current and future applications into the audio system head unit.
This new capability allows users to access their favourite podcasts, internet radio, ondemand music, restaurant recommendations, and even audio updates from Facebook and
Aha™ key features:
Voice-based for increased safety
Free service with wide content choice
Enables flexible personalization and station management
Content updated automatically throughout vehicle life
Aha™ content categories:
On-demand news and weather
Personalized music including Slacker
Internet Radio
On-demand podcasts
Audio Books
Local Search: Restaurants, fuel, ATM, parking, etc.
Social Media: Facebook, Twitter, etc. via audio
Custom Interactive OEM Channels: Direct communication to and from vehicle
SMS Text Message Function
All MDX models have a standard SMS Text Message function that can read incoming
texts aloud over the audio system, and allow the driver to reply with any of six factory
preset messages, or call the sender – all without handling their phone. The system works
with SMS-capable cell phones that have an active data plan and the Message Access
Profile (MAP), such as the Blackberry, Droid X and others. When running iOS6 the
iPhone can receive text messages, but cannot send replies using the MDX interface.
Available factory preset text replies:
 Talk to you later, I’m driving
 I’m on my way
 I’m running late
 OK
 Yes
 No
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Bluetooth® HandsFreeLink® Wireless Telephone Interface
Like all Acura vehicles, the MDX has a standard Bluetooth® HandsFreeLink® hands free
telephone interface that is designed to work with most Bluetooth®-enabled mobile
phones. Bluetooth® is a radio frequency-based technology that allows portable devices
(such as mobile cellular telephones and laptop computers) to communicate wirelessly.
The MDX’s HandsFreeLink® system is compatible with Bluetooth®-enabled cellular
phones that have the Hands Free Profile. After the driver completes a one-time pairing
process, the MDX can communicate wirelessly and securely with the driver's cell phone
when it is within approximately 3 metres of the car. The phone needs to be on, but can be
stored in a pocket, briefcase, purse, or anywhere inside the MDX cabin.
Bluetooth® HandsFreeLink® allows the driver to send or answer telephone calls without
removing their hands from the steering wheel. When a call comes in, a press of the
steering wheel-mounted "Pick up" button mutes the audio system and the incoming caller
is heard over the MDX’s audio system speakers. Working with an overhead array
microphone, the HandsFreeLink® system helps cancel “echo effect” and reduces
background noise to improve the transmission quality of the driver's speech.
To send a call hands-free, the MDX driver can dial the number by voice, again using
fingertip controls mounted on the steering wheel to activate the system. The driver also
can store frequently called numbers in the system's memory using unique voice tags. Up
to six different compatible mobile phones can be registered with the MDX’s Bluetooth®
HandsFreeLink® system.
Additional information can be found at www.acura.ca /bluetooth.
Audio/Connectivity/Video Feature Summary
auxiliary input
jack; USB
riusXM/ MP3/
auxiliary input
jack; USB
Not Available
Not Available
2014 Acura MDX Press Kit
riusXM/ MP3/
auxiliary input
jack; USB
riusXM/ MP3/
auxiliary input
jack; USB
page 50 of 72
System with
screen and
dual wireless
System with
screen and
dual wireless
Acura 8-Speaker Audio System
The MDX comes standard with an 8-speaker Acura audio system that offers 432 watts of
power, compared to the previous model’s 253-watt system. The system has a single-disc
CD player, and AM/FM/SiriusXM radio bands. Along with a physical knob for power
and volume, the full range of audio system controls can be accessed using the 7-inch OnDemand Multi-Use Display™ positioned within easy reach of the driver and front-seat
passenger. Controls for key audio system functions are also positioned within fingertip
reach on the MDX steering wheel.
The eight speakers are strategically located throughout the MDX cabin. Each front and
rear door has a 17 cm full-range speaker. Separate 4 cm tweeters are positioned near the
A-pillars, with an 8 cm speaker centered on the top of the instrument panel. A 20 cm
subwoofer is mounted in a tuned 19-litre enclosure in the right sidewall of the cargo area
(up from the previous MDX’s 10-litre).
In addition to traditional source inputs, the MDX is fitted with a USB port that allows for
easy connectivity to items such as an iPod® or iPhone®, or a removable flash drive
storage device containing WMA, MP3 or AAC format music. The USB port is located
alongside a traditional AUX jack (that allows connectivity of an external MP3 music
player) located in the centre console’s storage compartment.
Acura/ELS® Studio 10-Speaker Audio System (MDX with Navigation Package)
The MDX with Technology Package features a 10-speaker, 501-watt Acura/ELS® Studio
system (compared to the 410-watt system on the previous model) that is engineered to
offer impressive sound quality from a wide range of media formats. Taking the eight
speakers found in the base MDX, two additional 8-cm speakers are added to the rear
quarter pillar. Since this audio system is integrated with the Acura Navigation System, it
features hard drive music storage and Song By Voice. The Acura/ELS® Studio audio
system offers the same intuitive touchscreen and steering-wheel mounted controls as the
base MDX audio system, plus select audio system functions can also be accomplished via
voice command.
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Engineered specifically for the MDX, the system has a single-disc CD player,
AM/FM/XM/HDD audio source options, and delivers detailed, well-balanced sound to all
seating positions. The system gets its name from multi-Grammy® Award winning
producer/engineer Elliot Scheiner's recording industry-recognized moniker "ELS®."
Scheiner's goal in the development of this audio system was to reproduce music the way
it is heard in the recording studio.
Acura/ELS® Studio 11-Speaker Audio System (MDX with Technology and
Entertainment Packages)
The MDX with Technology Package features an upgraded 529-watt 11-speaker
Acura/ELS® Studio Audio System. An 8-cm roof speaker is added above the second-row
The MDX with Technology Package includes a factory-installed Acura DVD Rear
Entertainment System (RES) for rear passengers with a 9-inch wide-screen LCD display
that flips down from the ceiling for easy viewing. The WVGA display natively provides
800 pixels horizontally and 480 pixels vertically. User-selectable aspect ratios include
normal, wide and zoom. The extended capabilities of the system allow for either DVD,
CD, radio, SiriusXM® Radio and auxiliary accessories (such as certain video game
consoles, DVD players or cameras) to be played in the rear seating areas through
headphones while the front passengers listen to a different audio source.
The DVD player can be conveniently controlled from three sources – the front audiosystem controls, the integrated wireless remote control (that is stored in the ceiling near
the LCD screen), or through voice activation. The DVD disc will begin to auto-play when
the disc is loaded. Additional audio and video input jacks allow for a wide variety of
additional equipment to be attached to the system. The system comes complete with two
infrared (IR) wireless headphones and a wireless remote control as standard equipment.
For convenient night use, the remote control is illuminated.
Two wireless headphones are included. Each includes a volume knob. A safety feature on
the wireless headphone system prevents front-row passengers from using the headphones.
The wireless headphones are automatically activated when the ear pieces are turned
approximately 90 degrees (to be put on) and deactivated when the headphones are turned
90 degrees (when taken off). The automatic on/off system reduces the possibility that the
AAA battery-powered headphones could be accidentally left on. A 115-volt power outlet
rated for devices up to 150 watts, such as a gaming console or laptop, is included.
Acura/ELS® Studio 12-Speaker Audio System
The MDX with Elite Package features a 546-watt Acura/ELS® Studio Audio System
with 12-speakers. This Elliot Scheiner-engineered system is designed to recreate the
emotional experience you feel when you enjoy a live performance, regardless of where
you are seated in the MDX’s spacious interior.
2014 Acura MDX Press Kit
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The system has a total of 12 speakers. Each front and rear door has a 17cm full-range
speaker. Separate 4 cm tweeters are positioned near the A-pillars, with an 8-cm speaker
centered on the top of the instrument panel. At the rear of the MDX, there are two 8-cm
speakers on the rear pillars and a 20-cm subwoofer mounted in a tuned enclosure in the
right sidewall of the cargo area. For improved surround sound imaging, there are two
additional 8-cm speakers mounted in the headliner, over the second row of seating as a
part of the RES System.
Ultra-Wide DVD Rear Entertainment System (MDX with Elite Package)
The state-of-the-art, factory-integrated Rear Entertainment System (RES) features a 16.2inch wide display, the largest ever offered in an Acura. The WVGA display natively
provides 1,600 pixels horizontally and 480 pixels vertically. User-selectable aspect ratios
include normal (640x480), full (850x480), super full (1,300x480), ultra full (1,600x480),
super zoom (1,300x640) and ultra zoom (1600x640). The system can simultaneously
show two different sources of programming side-by-side, such as a video game and a
movie. The two programs being played can be easily switched from side to side using a
button near the screen. The 605-watt audio system provides 5.1 channel surround sound
capability. The dual-source wireless headphones supplied with this system can be tuned
to either input source as desired using a button on each set of headphones. The system
includes a High Definition Multimedia Interface (HDMI) port for attaching highdefinition players and certain gaming consoles, along with standard composite and audio
inputs. A 115-volt power outlet rated for devices up to 150 watts is included.
SiriusXM® Radio
SiriusXM® Radio is a standard feature on all MDX models and provides more than 140
channels of digital programming with near CD-quality sound. The SiriusXM® signal is
beamed to two broadcast satellites positioned in geostationary orbit above Earth. The
beams from these two broadcast satellites combine to span North America.
SiriusXM® Radio programming includes channels devoted to music, sports, talk, traffic,
weather, children’s programming and entertainment. Of the more than 140 SiriusXM®
channels, 71 are commercial-free. When the MDX’s audio system plays SiriusXM®
Radio, the Audio/Information screen (or navigation display in vehicles with navigation)
displays the current category, station song title, or artist’s name, while the current
category and station are also displayed on the On-Demand Multi-Use Display™.
A complimentary three-month subscription to the SiriusXM® Radio service is included
with purchase of a new MDX, and customers are able to continue the service or cancel
any time afterwards.
Hard Disk Drive (HDD) Audio (Navigation Package and above)
MDX models with the Navigation Package and above feature a standard Hard Disk Drive
(HDD) system with 16 GB of storage for audio. The system can copy music tracks from
pre-recorded CDs, enabling owners to store music on-board for easy access. The system
will not copy music from burned CDs or from USB flash drives. Based on music files
measuring an average size of 4.2MB per song at a 128kbps bit rate, approximately 3,900
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songs (approximately 200 CDs) can be loaded onto the available 16 GB of storage.
The HDD-based system records music at 6-times that of the original music track time.
Two recording quality settings (192 kbps or 128 kbps) are available. The automaticrecording default setting can be changed to manual if desired.
The audio system can display information about the music tracks, such as artist names
and song titles, using the Gracenote® database in the system software. This database can
be periodically updated to reflect newly released music. Gracenote updates can be
downloaded by MDX owners at automobiles.acura.com in the Ownerlink section (up to
four updates per year maximum). The updates can then be loaded onto a CD-R or onto a
USB thumb drive, which in turn can be used to update the MDX audio system. Even
without a Gracenote update, newly released audio tracks will play on the sound system,
without accompanying text information on genre, artist, album name and track name.
Song By Voice®
MDX models with the Navigation Package and above are also equipped with the Song by
Voice® feature. With so much audio content potentially available on the HDD or from an
iPod or compatible smartphone, MDX engineers set out to make it easy to find content.
From most navigation screens, the driver can simply press the TALK button on the
steering wheel and give a voice command, such as "Play song 'Danny Boy,'" and the
system will search all available content on the HDD and connected iPod and compatible
smartphone, and automatically begin playback. Song by Voice also lets the driver choose
music by artist, album, track name, genre, playlist and even composer.
Acura Navigation System with Voice Recognition
MDX models with the Navigation Package and above feature the latest generation Acura
Navigation System with Voice Recognition™ (Available in Canada, United States, Puerto
Rico, and Mexico).
Acura Navigation System with Voice Recognition features summary:
 WVGA 8-inch colour screen for convenient viewing
 100 gigabyte hard disk drive (HDD)
 Navigation coverage includes the Canada, United States, Puerto Rico and Mexico
 Fast route calculation time
 Fast Point Of Interest (POI) search time
 Surface street and highway traffic (free for the first 4 years)
 Voice recognition function with over 1,500 navigation commands minimizes the
need for manual character entry
 Voice recognition system recognizes city and street names as spoken words
 Voice recognition operates common audio and climate control functions
 Highly directional array microphone
 New selectable 3D map view
 Simple system operation with clear visual prompts to guide voice navigation
 Interface Dial simplifies control of the system and is accessible to driver and front
seat passenger
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Audio system automatically fades down for turn-by-turn voice guidance (voice
guidance can be turned off at any time)
On-screen picture of highway interchanges indicates which lane(s) to use to stay
on route
3 languages for North American markets (English, French and Spanish)
Destination memory recalls current trip addresses, previous destinations and user
address books
Split-screen mode features simultaneous "map view" and selective route
Trip routing can avoid user-selected areas
Telephone calls to on-screen points of interest with Bluetooth® HandsFreeLink®
Destinations can be sent directly to the vehicle by the AcuraLink Concierge
operator (Premium Package fee applies after the 1st year) or via the AcuraLink
App or website (Connect Package fee applies after the first 4 years)
Auto screen brightness
Navigation system will be updateable
Enhanced database:
 Point Of Interest (POI) database includes over 10 million locations
 Fuzzy logic POI and address searching simplifies and speeds searches
 Business and recreation directory of virtually all of the Canada and United States
complete with telephone numbers
 Directory categories include restaurants (searchable by type of cuisine), lodging,
shopping, airports, hospitals, recreation areas and much more
 Zagat Survey™ restaurant guide provides information and reviews on restaurants
in database, which can be read on-screen or heard over the audio system
 Scenic Route drive route listings categorized by individual province
 Exact addressing locates approximately 80-percent of addresses at their actual
GPS coordinates (instead of estimating location based on linear street number)
The MDX navigation system utilizes the 8-inch high-resolution WVGA (800x480 pixel)
backlit colour display. The system can be controlled by voice, or with a convenient
interface dial. The voice-activated system responds to casual command phrases that
require less user familiarization, in addition to the previous capability of being able to
understand spoken city and street names. For example, a voice request for “Radio 98.3
FM” can now be spoken in approximately a dozen different ways ranging from “change
the radio station to 98.3” to “98.3 FM.” This logic applies to audio functionality of the
audio/information screen. The navigation system can also be controlled by voice with
conventional navigation commands like, “Find nearest Chinese restaurant” or “find
nearest ATM.”
The audio system is automatically muted when the “Talk” button is pressed. The voicerecognition technology allows the driver to simply speak city and street names aloud, and
the system responds by displaying the matches available in the database. Points of
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interest on the map (such as restaurants or grocery stores) can be displayed with brand
logo icons, or the system can provide turn-by-turn navigation – all by voice command.
The point-of-interest (POI) database, with more than 10 million points, includes
telephone numbers that can be dialed by using the Bluetooth® HandsFreeLink® system
when the driver’s cellular telephone is connected to the system.
The MDX’s navigation screen can display regularly updated traffic information including
traffic flow, incidents and construction on freeways, and on surface streets. The
information is from Probe Traffic, a system that tracks the movements of participating
Acura (and other) vehicles to generate up-to-date flow information. Participants opt into
the Probe Traffic system to receive flow information, which is anonymous and scrubbed
of any personal information. The flow information is transmitted via the MDX’s
embedded cellular data link and is graphically displayed on the navigation system.
When traffic congestion or road incidents are detected along the selected drive route, the
system will automatically recalculate a “detour” route and display a pop-up box
signifying the route change. Alternately, the driver can recalculate a route in manual
mode simply by selecting “TRAFFIC INCIDENTS” from the Map Info menu followed
by selecting the “AVOID” command relevant to an incident.
A digital version of the Zagat Survey® restaurant guide provides detailed information and
reviews on select restaurants in the database. The reviews can be read on-screen or
spoken over the audio system by a synthesized voice.
Smart Entry Keyless Access System
Acura’s Smart Entry with Push Button Start comes standard on the MDX. The Smart
Entry system lets the MDX owner gain access to the vehicle’s front doors and rear hatch
without having to operate the key fob or conventional key. The Smart Entry remote has a
unique digital identity and the MDX can be unlocked when the driver pulls one of the
front door handles (Technology Package and above adds rear door access) while the
remote is in their possession. When carrying the fob (or if all doors are unlocked), the
rear tailgate can be opened by pressing a button located on the MDX’s rear fascia.
Once the driver has opened the door and is seated, the Smart Entry system allows the
MDX to be started by pushing the Engine Start/Stop button positioned on the instrument
panel. When leaving the car, a press of the soft-touch button on the exterior door handle
locks all the doors. Alternatively, pressing the Lock button on the Smart Entry remote
will also simultaneously lock all doors. (See Body section for more information.)
Remote Preferences
The Acura MDX comes with two keyless remotes that can be set with a unique
preference to accommodate the preferences of two different drivers. The available
preferences include driver seat, steering wheel and mirror positions, along with select
HVAC functions. Other preferences include turning entry lights on or off, audio system
pre-sets, air conditioning preferences, and navigation system settings. In the event both
owners use the car at the same time, the MDX will recognize the keyless remote that
approaches the vehicle first.
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The 2014 Acura MDX is designed to provide high levels of both active and passive
safety protection. With its all-new unit-body design featuring numerous energy-absorbing
crumple zones and anti-intrusion features, it is projected to earn the highest possible
safety ratings: a five star Overall Vehicle Score from the U.S. federal National Highway
Traffic Safety Administration (NHTSA), and a TOP SAFETY PICK+ rating from the
independent U.S. Insurance Institute for Highway Safety (IIHS), including a GOOD
rating in the Institute’s stringent new small overlap frontal collision test.
Safety advances begin with the new next-generation Advanced Compatibility
Engineering™ (ACE™) body structure. This supercomputer-designed structure is designed
to be the safest SUV protective passenger structure ever offered by Acura, including top
performance in the rigorous new IIHS small overlap front crash test. The use of premium
materials such as hot-stamped steel and magnesium make the MDX body structure more
rigid, while also contributing to a 131 kg lower curb weight compared to the previous
generation vehicle.
Numerous safety and visibility features help make the MDX even more ideal for its role
as a luxury family vehicle, including the following. (See Body and Chassis sections for
more information.)
Agile Handling Assist
Vehicle Stability Assist™ (VSA®)
Electric speed-sensitive steering (EPS)
Driver knee airbag
MDX with Navigation Package
 Forward Collision Warning (FCW)
 Lane Departure Warning (LDW)
 Blind Spot Information (BSI)
MDX with Elite Package
 Collision Mitigation Braking System™ (CMBS)
 Lane Keeping Assist System
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Summary of Safety and Visibility Technologies
2014 MDX
Front airbags
Side airbags
Side-curtain airbags
Driver’s knee airbag
Advanced Compatibility
Engineering™ (ACE™) Body
Forward Collision Warning
Lane Departure Warning
Not available
Next-Generation of ACE™
Not available
Navigation Package
Not available
Navigation Package
Lane Keeping Assist System
Not available
Elite Package
Blind Spot Information (BSI)
Advance Package
Navigation Package
Lower Anchors and Tethers
for Children (LATCH)
Next-Generation Advanced Compatibility Engineering™ (ACE™) Body Structure
The MDX’s enhanced Advanced Compatibility Engineering™ (ACE™) body structure is
the second generation of Acura’s proprietary ACE structural design. ACE is an exclusive
body design that enhances occupant protection and crash compatibility in frontal crashes.
It uses a network of connected structural elements to distribute crash energy more evenly
throughout the front of the vehicle, helping to reduce the forces transferred to the
passenger compartment. It can help to more evenly disperse the forces transferred to
other vehicles in a crash as well. ACE also helps reduce the chances that one vehicle will
override another, improving crash compatibility of vehicles that differ in size. ACE goes
further by offering additional strength and protection in small overlap frontal collisions,
which are among the most severe.
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NHTSA Overall Rating
2014 MDX
(Projected ratings)
NHTSA Frontal Crash
NHTSA Side Crash
NHTSA Rollover
IIHS safety award
Not tested
IIHS Side impact
IIHS Roof strength
IIHS Head Restraint
IIHS Moderate overlap front
IIHS Small overlap front
Forward Collision Warning (FCW)
Forward Collision Warning (FCW) uses either a camera mounted in the upper portion of
the windshield (Navigation Package and Technology Packages) or the CMBS radar (Elite
Package) to detect vehicles ahead and to determine whether a collision is likely. This
reduces the stress of driving in traffic, while also contributing to an increased level of
passive safety.
If the FCW system detects a vehicle in front of the MDX and then determines that a
collision may occur (due to a speed differential between the two vehicles), it will trigger
visual and audible alerts for the driver. These include a “BRAKE” message on the MultiInformation Display (MID), and on the Elite Package, a secondary visual warning on the
windshield via the heads-up display, and a series of beeps to alert the driver to apply the
brake pedal. The FCW system will not automatically brake, and the driver remains
responsible for safely operating the vehicle and avoiding collisions.
Drivers may adjust the distance at which FCW alerts occur by pressing the “SETTINGS”
button, selecting “Vehicle Settings,” and then choosing “Driver Assist System Setup” and
the “Forward Collision Warning Distance” option. At this point they may choose
between “Long,” “Normal” or “Short.” And if they choose to, drivers may also select
“Off” to disable the FCW system entirely.
Note that the FCW system cannot detect all objects ahead and may not detect a given
object; accuracy will vary based on weather, speed and other factors.
Blind Spot Information (BSI)
Included in the Navigation Package and up, the Blind Spot Information (BSI) system uses
radar sensors located on both sides of the rear bumpers to continually monitor blind-spot
areas to help determine whether a vehicle is in the driver’s blind spot.
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The system provides a visual cue by lighting or flashing an indicator near the sideview
mirrors, depending on which side of the MDX a vehicle is detected. The system also
gives an audible warning to further alert the driver if the turn signal is activated on the
side where a vehicle is being detected. To prevent false alarms while maneuvering at low
speed, the BSI system is disabled below approximately 32 km/h.
Note that BSI cannot detect all vehicles, and that some vehicles or devices may interfere
with the system. Drivers should always visually check for the presence of other vehicles
before changing lanes.
Lane Departure Warning (LDW)
Included in the Navigation Package and up, the new Lane Departure Warning (LDW)
system is designed to alert the driver if the vehicle is leaving a detected lane without the
turn signal being activated. The system functions at speeds from 72 to 145 km/h on
straight or slightly curved roads, alerting the driver of any deviations from a detected
In the Technology and Technology and Entertainment Packages, LDW uses the same
upper front windshield camera as the Frontal Collision Warning (FCW) system. Elite
Package, LDW uses the Lane Keeping Assist System (LKAS) camera (see Chassis
section for more information). Mounted behind the windshield near the rearview mirror,
the LKAS camera is designed to recognize lane markings so the system can detect when
the vehicle is about to leave its lane.
If the vehicle begins to move out of a detected lane without the turn signal activated,
LDW illuminates a Lane Departure message on the Multi-Information Display (MID)
and sounds a series of beeps, advising the driver to take appropriate action. Unlike
LKAS, the LDW system is passive and does not provide any steering input or correction.
The driver may turn the system off by pressing the LDW button located on the instrument
panel, left of the steering column.
There are certain conditions under which the system may not engage or operate,
including inclement weather (e.g., snow, ice or heavy rain) and extreme cabin heat
conditions. It will automatically suspend operation when the brakes are applied or the
turn signals are used. LDW may not detect all lane markings or lane departures; accuracy
will vary based on weather, speed and road condition. The driver remains responsible for
safely operating the vehicle and avoiding collisions.
Lane Keeping Assist System (LKAS)
The MDX’s Elite Package features Lane Keeping Assist System (LKAS) to provide a
less stressful driving experience by reducing steering correction movements and driving
effort on the highway. LKAS uses a camera to read lane markings to assist the driver in
driving in the middle of the lane.
When LKAS senses that the driver is drifting from the middle of a detected lane, the
system generates counteracting steering torque to assist the driver in maintaining lane
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position, while also displaying a visual warning in the MID within the instrument panel
to alert the driver about a potential lane departure. Compared to lane-keeping systems on
other vehicles, the MDX’s LKAS operates in a more linear fashion with a more natural
Collision Mitigation Braking System™ (CMBS)
Included in the Elite Package, the Collision Mitigation Braking System™ (CMBS™) is
one of the most sophisticated driver-assistive technologies available. It continually scans
traffic conditions ahead of the MDX, alerts the driver of a potential collision, and then
takes proactive action to help reduce collision forces if one becomes unavoidable.
Unlike the pre-collision systems on some vehicles, CMBS can automatically apply the
brakes to help reduce the severity of a collision. When CMBS detects a potential
collision, visual, audible and tactile (driver and front passenger seatbelt pre-tensioning)
alerts first prompt the driver to take corrective actions. If the system determines that a
collision is imminent, it applies the brakes to help reduce vehicle speed and collision
It is important to note that CMBS cannot detect all objects ahead, nor is it intended to
replace the driver’s assessment of traffic conditions and control of the vehicle. The driver
must intervene in certain situations, and must always be attentive when using the system.
In addition, CMBS is not intended to apply enough braking force to prevent a collision.
The system also may not perform all visual-, audible- and tactile-alert stages, and may
instead automatically engage the brakes if the system deems it necessary.
Adaptive Cruise Control with Low-Speed Follow
The Elite Package features Adaptive Cruise Control (ACC) with Low-Speed Follow. This
vehicle speed and distance control system uses a grille-mounted millimeter-wave radar to
monitor the distance between the MDX and a detected vehicle directly ahead. Like a
conventional cruise control system, the ACC system can maintain a preset speed. In
addition, by combining radar data with data from speed sensors, ACC can regulate the
MDX’s speed to maintain a preset following distance interval.
The Low-Speed Follow is a new feature to the MDX. Low-Speed Follow can reduce the
driver workload in congested traffic by maintaining a selected distance interval during
cruise control operation, even in stop and go traffic. If a vehicle detected ahead is in
range of the system and comes to a stop, the MDX will also automatically decelerate
down to a stop. When the detected vehicle moves forward, the vehicle icon on the
MDX’s multi-information display will blink. With a press of the RES/+/SET/– switch up
or down, or with a press of the accelerator pedal, the MDX will automatically accelerate,
resuming the Low-Speed Follow mode.
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Pedestrian Injury Mitigation
The MDX has an impact-absorbing front body design to help reduce injury in the event
of a frontal collision with a pedestrian. Research shows that the following features can
dramatically improve a pedestrian's chance of survival if struck by a moving vehicle:
Impact-energy absorbing hood
Space is provided between the underside of the hood and key powertrain
components, allowing the hood to bend and deform if contact is made with either
an adult or a child pedestrian.
Energy-absorbing fender mounts and supports
Front fender mounts and brackets are designed to deform easily to help absorb
impact energy.
Deformable windshield wiper pivots
Wiper pivots are designed to deform and break away easily.
A total of seven airbags, including dual-stage, multiple-threshold front airbags, front side
airbags, side-curtain airbags, and a new driver’s side knee airbag, are standard on the
2014 MDX.
Driver’s Side Knee Airbag
New for the MDX is a driver’s side knee airbag designed to further protect the driver in
the event of a frontal collision. The knee airbag is contained beneath a panel on the
underside of the instrument panel, which is contoured away from the knees to provide as
much clearance as possible for comfort.
Dual-Stage, Multiple-Threshold Front Airbags (SRS)
Every MDX is equipped with dual-stage, multiple-threshold front airbags (SRS). One or
both of these airbags will be deployed only in the event of a sufficient frontal impact. If
deployed, the airbags are capable of being inflated at different rates depending on crash
severity, seat-belt usage and other factors. Front airbags are designed to supplement the
seat belts to help reduce the likelihood of head and upper body injuries in frontal crashes.
Front Passenger Airbag-Off Indicator
An indicator light marked “PASS AIRBAG,” located on the right of the upper display
illuminates to indicate that the passenger’s front airbag is off and will not deploy during a
frontal impact. This happens when the weight of the front-seat passenger, or an object on
the seat, is 29 kilograms or less.
Driver and Front Passenger Side Airbags
Driver's and front passenger's SmartVent™ side airbags mounted in the outboard area of
each front seatback are designed to help provide pelvis and thorax protection in the event
of a severe side impact. The advanced design allows the side airbags to inflate with a low
risk of injuring the seat occupant while deploying. This eliminates the need for the
previous-generation MDX’s Occupant Position Detection System (OPDS).
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Side Curtain Airbags
All outboard seating positions include a side curtain airbag system. The side curtain
airbags deploy from modules in the roof in the event of a sufficient side impact or
rollover, providing a significant level of head protection in the window area. The new
side curtain airbags now have a wider deployment profile and remains fully deployed for
an extended time to enhance ejection mitigation.
E-Pretensioner Front Seatbelts (Elite Package)
Another new MDX safety feature available on the Elite Package is a driver and front
passenger seatbelt e-pretensioner system that detects yaw rate. During normal driving
conditions, the e-pretensioner system provides a “tensionless” seatbelt experience,
enhancing driving comfort. Then during sporty or aggressive driving, the system uses
electronic controls to tighten the seatbelts.
In addition, the e-pretensioner system tightens and holds the seatbelts during sudden
steering inputs like those that may occur during a skid or a minor collision. The epretensioner system is fully automatic and requires no intervention from the driver or
front passenger, aside from the initial fastening of the seatbelt.
Adjustable Head Restraints
The first and second row (with the exception of the centre in the second row) seating
positions feature individually adjustable head restraints. The head restraints for the third
row seats fold automatically when the seat fold-down handle is pulled, simplifying the
process of converting the MDX into cargo-hauling mode. The headrests can also be
folded down independently, improving rear visibility. (See Interior section for more
Preliminary Natural Resource Canada FE estimates determined by Acura. Final FEe estimates not available at the time of printing.
Customers who choose to use Regular gasoline should expect reductions in power, performance and fuel economy.
Does not apply to fluid and filter changes or periodic inspections. Please refer to the maintenance section of your owner's manual to
determine all appropriate maintenance intervals.
Ordinary maintenance items or adjustments, parts subject to normal wear and replacement, and certain other items are excluded.