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Mercedes-Benz E320 4MATIC Problems

Engine Oil Leak From PCV Vent Housing and/or Engine Inspection Plate on Mercedes-Benz E320 4MATIC

Problem Description and Possible Solution

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.

(13 people reported this problem)

Mercedes-Benz E320 4MATIC Vehicles With This Problem

RepairPal Verified
Average mileage: 44,000 (44,000–44,000)
8 model years affected: 1998, 1999, 2000, 2001, more2002, 2003, 2004, 2005
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Brake problem? Or maybe a faulty head gasket cylinder?
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Viewing 1-3 of 3 comments
I have an wagon! I thought the head gasket was going but realized that couldn't be the case. It has to be the PCV housing. It's not much. I lose about a quart every 15,000 miles. But it's annoying. Sometimes it the oil drips on the hot engine and smells like it's burning oil.