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hi, this is sham

i have Mercedes ml320 and all of a sudden today it wont move as fast while driving.it used to do that once in a whilejust for quick second but today it wont move fast at all. some shop guy told me that it has bad valve body in the the transmission. does anyone know about it and how can i change it and is it sure that this is the broblem.i will appreciate any help. thanks in advance.

Your 320 is moving in limp mode which means several things.

1. The electrical plate between the valve body and transmission could be bad. Have a qualified shop, can't stress qualified shop enough. do a computer check on your 320 to see if it has transmission codes on the TCM (Transmission control module) that reads in the P0700 area.

2. You can remove the TCM it is on the right hand side of the steering wheel above the kick shield. and take it to M-Bandits they will read it and give you the code as to what to replace or take it to a shop that can read Mercedes transmissions, be prepaired to pay.

3. Just happen yesterday my wifes ml320 1998 plate went bad and I replaced it drove it to the shop to get it synchronized, runs great.

4. I recommend that if your not good mechanically get it done professionally, because Mercedes wants you to replace the valve-body as a unit at $880.00

This job took me 20 min. Make sure you have the right tools and knowledge of the transmissions electrical connections one is hidden an can break easily.

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13y ago

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