Car Problem Reports

Mercedes-Benz R500 Bad Spark Plug Wires/Ignition Coils May Cause Misfires and Possible CEL

 
Mercedes-Benz R500 Problem
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Model Years Affected: 2006, 2007

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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.

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