Engine Oil Leak From PCV Vent Housing and/or Engine Inspection Plate on Mercedes-Benz ML320

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: 164,500 (151,000–180,000)
6 model years affected: 1998, 1999, 2000, 2001, more2002, 2003
10 people reported this problem
1 person shared problem details
Oil Leak behind belt tensioner.
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