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Automatic transmission seven speed gearbox fault

Azmuf1

New Member
Joined
Jul 6, 2022
Messages
12
Location
Leamington
Car
Mercedes Cla
I have a Maercedes Cla 2014 with a Intermittent fault when the car stops, or coming to a stop and when pulling off. The car shakes and get a warning sign do not change gears consult workshop. I need to switch the car off and on and then I can carry on driving as per normal.

I was taking it to the garage to have the fault looked at today and just before I arrived at the garage I had another error msg which read transmission malfunction in red when car was again at a standstill ready to pull off, Gearbox went into neutral, I had to put the car back in Drive and it drove fine. The fault is intermittent which is very annoying.

The garage connected the car with their star diagnostics however there was no error messages/codes referring to the Transmission.

The mechanic recommended it may be a idea to do a software update if one is available first to see if this rectifies the fault before looking any further as the diagnostics came back with no faults regarding the gearbox.

The car has just hit 120k and is due its 2nd gearbox service

Any advice will be appreciated especially if anyone has came across the same kid of fault.
 

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