Automatic Transmission in limp mode

I have a 2000 CLK-320 with 150k miles.  One day it went into "limp mode". I put my scanner on it and got p0715.  I checked the transmission fluid level and it was ok.  I replaced the 13 pin connector adapter plug and O rings.  Still got p0715.  I replaced the automatic transmission conductor plate.  I still get p0715.  What should I do next? 


Is it possible that it is fixed, but my scanner won't clear the code, releasing the car from "limp mode"?




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MercedesMedic made a comment.
3 months 3 weeks ago

The problem could be your scanner. If you are using a generic OBD II scanner it will not clear the transmission codes. My guess is that you are. On the W208 to read and clear transmission codes, you need to use the 38 pin port in the engine bay (driver side, near the fuse box).

Take the car to a mechanic that has the right scanner or adapter. Or take it to the dealer. Clear the codes, and you should be good to go.

Let us know what you find out.

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Terry Lowry made a comment.
3 months 2 weeks ago

I took it to a Mercedes certified mechanic who used the correct scanner to clear the codes and it did the trick! I drove it all weekend. However, the engine light has come back on. I know there is a crack in the valve gasket cover, which I need to replace. Would this cause the engine light to come on?


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