Bad Spark Plug Wires/Ignition Coils May Cause Misfires and Possible CEL on Mercedes-Benz C43 AMG
Problem overview
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.
5 people reported this problem
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Mercedes-Benz C43 AMG vehicles with this problem
Average mileage: 129,500 miles
(111,000 - 148,000)
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