Check Engine Light and Engine Misfire on Mercedes-Benz C43 AMG

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: 129,500 (111,000–148,000)
3 model years affected: 1998, 1999, 2000
5 people reported this problem