I have a c230 kompressor , check engine light came on, I scanned it and code P0301 showed misfire 1 cilynder , I opend to check the sparkplug and it was full with oil, tthe car has 180k miles on it with a new valve job 70 k miles ago, has been serviced by mercedes benz mechanics in CA, but had oil change done in the mid-west.

Thank you





What was full of oil? Spark-plug hole, or the cylinder? 

Did you pull out the ignition coil, and there was oil all over it? If yes, than you have a leaking camcover seal. 


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