^ "Control units faulty"control units faulty"2017 Mercedes Benz S 63 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
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.
Page 323
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