2010 A/T - Various Functions Not Activated After EHS Replaced
Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
Vehicle: All Technical Service Bulletins
A/T - Various Functions Not Activated After EHS Replaced
Poor shift quality
Topic number LI27.19-P-049155
Version 1
Design group 27.19 Transmission - electrical system
Date 03-29-2010
Validity TRANSMISSION 722.9 in MODEL 204.022 /052 /054 / 056 /077 /081 /085 /087 /089 /222 /252 /254 /256 /277 / 981 /983 /98
TRANSMISSION 722.9 in MODEL 216.371 /377 /386 up to 1.7.08
TRANSMISSION 722.9 in MODEL 221.022 /028 /054 / 056 /070 /071 /077 /080 /084 /086 /087 /122 /128 /154 / 156 /170 /17
Reason for change
Reason for block
Complaint:
After replacement and initial startup of one of the new/replaced EHS part numbers in the models specified above, the Distronic, Hold, Hill-Start
Assist, cruise control and variable speed limiter functions cannot be activated.
The problem can affect only the specified models up to production date July 1, 2008 with the new/replaced EHS part numbers listed below:
Check the EHS part number installed in the vehicle/transmission in each individual case
Old EHS no. New EHS no.
A 220 270 13 06 replaced by A 220 270 27 06 A 220 270 15 06 replaced by A 220 270 28 06 A 220 270 18 06 replaced by A 220 270 31 06 A 220 270 19 06 replaced by A 220 270 32 06 A 220 270 21 06 replaced by A 220 270 29 06 A 220 270 22 06 replaced by A 220 270 32 06
Cause:
Software which is not optimized.
Remedy:
Flash affected vehicles with add-on 1375 DVD 01/2010.
Symptoms
Work units
WIS-References
Validity
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DIAGNOSIS AND REPAIR, MAINTENANCE, PARTS AND LABOR, SHOP OPERATIONS, TECHNICIAN'S REFERENCE, DIAGNOSTIC TROUBLE CODES(dtc), RELAYS AND MODULES, SENSORS AND SWITCHES,ENGINE, COOLING AND EXHAUST, POWERTRAIN MANAGEMENT, TRANSMISSION AND DRIVETRAIN, BRAKES AND TRACTION CONTROL, STARTING AND CHARGING, POWER AND GROUND DISTRIBUTION, STEERING AND SUSPENSION, HEATING AND AIR CONDITIONING, RESTRAINTS AND SAFETY SYSTEMS, ACCESSORIES AND OPTIONAL EQUIPMENT, BODY AND FRAME,CRUSIS CONTROL.