Check Engine Light and Engine Misfire on Mercedes-Benz CLK500

Problem Description and Possible Solution

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.

Problem Data
RepairPal Verified
Average mileage: 131,000 (131,000–131,000)
4 model years affected: 2003, 2004, 2005, 2006
5 people reported this problem