C200k revving...........Please Help


Mar 4, 2011
Mercedes C200K
Hi All,

Ive owned my Mer C200k 51 reg over a year and since then had NO problem until recently. First the engine light showed up, code suggested to change MAF sensor. That changed and running good, until lately that ive noticed on a cold start the engine revves upto 2000rpm and then slowly comes down to 700rpm.

But when driving its slow in acceleration and when braking to a stop the engine revves down to 500rpm as to cut off and jerks and returns to 700rpm. :mad::mad::mad:

Not sure whats wrong with it??!!!

Please Help

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