Mercedes-Benz SLK32 AMG Problem Report

Mercedes-Benz SLK32 AMG Check Engine Light and Engine Misfire

(5 reports)

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.

Code p0303 p0300 ; rough idle almost to a stall at stop streets. Smooths out under acceleration. -