Mercedes Diagnostic Manual
2009
• Factory Level Technical Training
• Factory Diagnostic Information
• Dealer Level Instruction
• Field Expertise “Hands-on” Training
• DAS/Star System Diagnostics
• Work Information System Tutorials
• Technical Support Group Site
Body Electronics II
Versions of Tele Aid:
• Tele Aid I
• Tele Aid II
• Communication Platform
Some of the coverage of this seminar:
• Tele Aid Generations and Diagnostics
• TPS (Tire Pressure Monitoring) Overview
• TPS (Tire Pressure Monitoring) Diagnostics
• Airmatic System Overview and Diagnostics
• W211 Ride Height Calibration
• Active Body Control (ABC) System
• R230 Vario Roofs
• SD (System Diagnostics module) CAN-B
• Traction systems
• LIVE Hands-on Diagnostics (DAS-STAR)
• WIS/ASRA overview
• Interactive Training System and more.....
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specific make of European car. Specialists on the site, along with our consultants will aid in the diagnostic
process to make the job profitable.
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800-848-6657
TELE AID emergency call is supplemented by TELE AID telediagnosis
TELE AID includes three services:
• TELE AID – Emergency Call
• TELE AID - Telediagnosis
• MB Info
Service provider information is stored on the TELE AID SIM card that is installed in the N112 and is
automatically by the system.
The TELE AID emergency call system is switched on by turning the transmitter key (A8/1) to “circuit
15R ON” or “circuit 15 ON”.
Networked components on MOST Audio Network:
HU: (A2/56) Audio 50 Head Unit
N112 - Communication platform (CP)
B25 - Microphones in mirror (MIC)
N93/1 - Audio gateway module (AGW)
A35/1 - Microphone Module (MIC CM)
A35/11 - Voice recognition module (VR)
Systems Diagnosis (SD) Control Module: R230 Model
• Monitors CAN-B control modules during driving
• Provides DTCs related to CAN-B communication problems and for
modules which are not communicating properly
• Monitors DTCs plus information inputs & outputs of CAN-B modules
• Determines affected functions and suspected components
• Narrows down the list of suspected components
Operational Transmission Topology of TPC System:
…New sensor inoperative until 1.5 bar applied for > 3 minutes.
…Normal conditions: Measure once every 3 seconds, transmit once
every 55 seconds.
…When pressure drops >200 mbar per minute: Measure and
transmit once every 800 ms.
TPC Wheel Sensor Battery:
Battery life approximately 7 years
With each data transmission, the sensor reports on remaining
battery life
N88 TPC Module receive tire pressure and temperature info from wheel sensors
– Process info received via CAN-B and determine if tire pressures are OK.
–Terminal 30 Power and ground supplied by N10/2
For more info
800-848-6657
TPC Activation and Learning procedure:
• Engine OFF / Ignition ON (KOEO)
• Use steering wheel buttons to scroll to “0 mph” display (S110s1)
• Use steering wheel buttons ( / ) to display tire pressure screen
• Tap the reset button (A1r1) on instrument cluster
• Press the “+” button (S111s1) on steering wheel to bring up the next display...
• Activation will begin!
Interactive training system for review:
TPC module communicates evaluated data to the IC (Instrument Cluster) via?
Ambient temperature and fuel level are supplied via?
The A69/x TPS wheel sensor is inoperative UNTIL a specific pressure of what is applied?
TPC “activation” is initiated by ICM (Instrument Cluster) buttons, steering wheel and?
The Vario Roof operational topology, function and
communications are as follows:
1.) Rear SAM Control Module (N10/8):
2.) Vehicle Power Supply Control Module (N82/1):
3.) Left & Right Door Control Module (N69/1 & N69/2):
4.) Overhead Control Panel Control Module (N70):
5.) Vario Roof Locked Limit Switches (S69/2 & S69/3):
6.) PSE Control Module (A37):
7.) Vario Roof Raised/Lowered Limit Switch (S69/11):
8.) Load Assist Limit Switch (S117):
9.) Left & Right Limit Switches (S118/1 & S118/2):
10.) Tubular Frame Raised Limit Switch (S119):
11.) Trunk Lid Open Limit Switch (S124):
12.) Left & Right Side Flap Limit Switches (S126/1 & S127/1):
Rollover Bar (RB) System:
Deployment occurs when:
A.) Integrated sensor in RVC (N52) signals vehicle tilt
angle of 57º for more than 100ms
B.) Vehicle acceleration in any direction > 3 times normal
G-force
For more info
800-848-6657
R230 ABC System:
• Automatically sets vehicle level
• Adjusts ride height based on speed
• Lowers car as speed increases and raises
car back up as speed decreases
• Switch raises car two positions
• An additional switch for a sport setting
• Country version code in EIS
• Goes automatically to shutoff (closed valve
position) when raised on a lift
• Always depressurize system before
removing hydraulic components
Sensors & Compoents - Review:
• Body acceleration sensors - three
Measures vertical acceleration of the body and
body pitch and roll
• Lateral acceleration sensor - one
Measures side to side acceleration
• Longitudinal acceleration sensor - one
Measures acceleration and deceleration
• Vehicle level sensors - four
Measures vehicle level at each wheel
• Strut motion sensor - four
Determines the position of the hydraulic cylinder
Level and Height Adjustment W211 SAS Suspension:
Solenoid (y2) energized (open) for ride height changes
Closing y2 acts as the check valve. This will maintain air volume in
spring / strut assembly.
Repairs can only be performed on the plastic lines routed
from the air compressor (A9/1) to the rear air struts. Do not
repair any line connected to the front air struts. Rear air lines
must be cut to facilitate removal of rear air spring.
For more information, call:
800-848-6657