A/T - 2-3 Upshift Slip During Initial Cold Acceleration
2-3 upshift slips slightly one time
Topic number LI27.00-P-048552
Version 5
Design group 27.00 General
Date 09-17-2012
Validity Transmission 722.9 with engines 273, 272 and 642
Reason for change Model designations with engine 642 and engine 272 for which there is a remedy have been added under Validity
Complaint:
After a cold start, slight slippage may occur in the 2-3 shift when the vehicle moves off for the first time.
Cause:
A full basic charge for the K1 piston cannot be guaranteed with a cold start. This means that the plate contact pressure must still be built up, which
can lead to a single brief slip of the gearshift.
Remedy:
Vehicles with engine 272, engine 273 and engine 642 in combination with the electrohydraulic controller unit A220 270 23 06 or A220 270 24 06 ->
Flash transmission control unit.
Important:
Mercedes-Benz A220 2020 Page 20
Observe the list in the attachment for vehicles with engine 272 and engine 642 because this software is only available for these model designations.
Attachments
Symptoms
Work units
Attachment
Mercedes-Benz A220 2020 Page 21
Mercedes-Benz A220 2020 Page 22
Mercedes-Benz A220 2020 Page 23
Overview for GI27.00-P-046507
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