Check Engine Light and Engine Misfire on Mercedes-Benz C350

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: 89,000 (89,000–89,000)
5 model years affected: 2006, 2007, 2008, 2009, more2010
6 people reported this problem
1 person shared problem details
ENGINE MIS____---FIRE THINK 303 COME UP
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