Engine Oil Leak From PCV Vent Housing and/or Engine Inspection Plate on Mercedes-Benz CLK500

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: 42,000 (42,000–42,000)
4 model years affected: 2003, 2004, 2005, 2006
5 people reported this problem
1 person shared problem details
Left valve cover leaking oil near oil filler cap. Removed smaller cover from main valve cover and used blue form a gasket to seal the leak.
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