Engine Oil Leak From PCV Vent Housing and/or Engine Inspection Plate on Mercedes-Benz S500 4MATIC

An engine Oil leak may develop from the PCV vent housing on the valve cover and/or the inspection plate on the front of the engine.

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Average mileage: (–)
4 model years affected: 2003, 2004, 2005, 2006
4 people reported this problem
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