Check Engine Light and Engine Misfire on Mercedes-Benz C280

Failed spark plug wires and/or ignition coils can cause intermittent misfires (rough running); the Check Engine Light may also illuminate. Diagnoses of the ignition system will be necessary to determine which components are at fault.

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Average mileage: 139,672 (74,000–187,777)
7 model years affected: 1994, 1995, 1996, 1997, more1998, 1999, 2000
14 people reported this problem
6 people shared problem details
Changed spark plugs and wires misfire stopped.
I just had my ingnition coil replaced, my car would not pick up speed.
Both spark plug harnesses replaced, one twice.
Check For Worn Spark Plugs Wires Or Foul Spark Plugs!!
check engine light came on but car runs great anyway.
Check engine light come on during dry periods. Drive the car through the car wash and the light goes off as it does when the road is wet or it rains.
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