2010 A/T - Harsh Engagement From Park To Drive Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
Vehicle: All Technical Service Bulletins
A/T - Harsh Engagement From Park To Drive
Harsh engagement when changing gear range from P to D
Topic number LI27.50-P-049281
Version 1
Design group 27.50 Gear assembly
Date 04-06-2010
Validity Transmission 722.9
Reason for change
Reason for block
Complaint:
When changing gear range from P to D, harsh engagement may be noticeable.
Cause:
The engagement sequences for N-D and N-R may not be optimized
Remedy:
The engagement sequences for N-D and N-R must be taught in again as follows:
Note:
Always remain in the gear ranges N/R/D for at least 5 sec!
Start the engine from cold,
shift 5 times N-R,
shift 5 times N-D --> warm up transmission to 40°C and while doing so, exceed a speed of 50 km/h at least once.
shift 5 times N-R,
shift 5 times N-D --> warm up transmission to 70°C and while doing so, exceed a speed of 50 km/h at least once.
shift 5 times N-R,
shift 5 times N-D.
Symptoms
Validity
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