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Model Years Affected: 2003, 2004, 2005, 2006
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.
Common Problems > Mercedes-Benz S430 4MATIC
Q&A > Mercedes-Benz > 2004 Mercedes-Benz S430 4MATIC
Q&A > Mercedes-Benz > 2005 Mercedes-Benz S430 4MATIC