Mercedes Benz

******************************************************************** 2010 Mercedes Benz E 63 AMG Sedan (212.077) V8-6.3L (156.985) Copyright ? 2013, ALLDATA 10.52SS Page 1 Vehicle: All Technical Service Bulletins A/T - Hard Converter Lock-Up/Hard 1-2 Shift Hard 1-2 shift or hard torque converter lockup clutch engagement Topic number LI27.00-P-049253 Version 1 Design group 27.00 General Date 04-06-2010 Validity Transmission 722.9 Reason for change Remedy revised / Supersedes DTB S-B-27.00/112 Reason for block Complaint: The customer complaint of "Hard shift, presumable the 1-2 shift, occurs when moving off" is often received even though the problem is hard engagement of the torque converter lockup clutch (KUB) in the start-off process. In order to permit a clear diagnosis, restrict the transmission to 1st gear by shifting to position 1. If a jolt occurs at the point where the state of the torque converter lockup clutch changes from "open" ...