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Mercedes-benz cla 45 w117

Ahmad Manager Perivale, United Kingdom Posted Latest

Question

Drivetrain

Hi I have a Mercedes CLA 45 AMG w117 When driving in auto and reaches 7th gear fault comes up P0921 on the transmission and goes into limp (reversing not possible consult work shop) usually when i get this problem change clutch flywheel and update mechatronic softwear then all good but this time sone all that but still happening what could it be check picture need advice asap stuck with vehicle until repaired

Terry Technician

Gillingham, United Kingdom

Terry Default

Sorry to tell you but your Gonna need a new transmission.

-1 Default Ð Bounty Awarded

Vinney Owner/Technician

Congers, New York

Vinney Default

Terry is correct thats what i had to do to fix the problem good luck

0 Default Ð Bounty Awarded

Ahmad Manager

Perivale, United Kingdom

Ahmad Resolution

I changed the box and it drove fine wasted 2weeks trying to resolve but did not work

0 Resolution Ð Bounty Awarded