Mercedes Benz C 43 AMG Technical Service Bulletin # LI27-50_P-049281 Date: 100406

Mercedes Benz C 43 AMG Technical Service Bulletin # LI27-50_P-049281 Date: 100406

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

391

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锟斤拷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锟斤拷C and while doing so, exceed a speed of 50 km/h at least once.