Mercedes-Benz GL450 Problem Report

Mercedes-Benz GL450 Engine Oil Leak From PCV Vent Housing and/or Engine Inspection Plate

(16 reports)

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.

oil leak from the top of the engine valve cover, dripping down to my garage ground.got fixed from the dealer -
Was told of the oil leak behind the engine during a regular service repair/inspection. -
leak from PCV causing smell of smoke -
oil leak , wet hoses, going to bring back to dealer under warranty. -
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