Mercedes-Benz E500 4MATIC Problem Report
Mercedes-Benz E500 4MATIC 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.
i fixed the line and the car was fine . Then i got the code again a few days later that car too...