Mercedes-Benz C36 AMG Problem Report
Mercedes-Benz C36 AMG Check Engine Light and Engine Misfire
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.
The engine wiring can degrade because the insulating material falls off leaving the bare wire...