Mercedes-Benz 300E 4MATIC Problem Report
Mercedes-Benz 300E 4MATIC Engine Oil and Coolant Leaks Resulting in Fulid Intermix
Internal and External engine oil & coolant leaks can develop from the head gasket and/or timing cover gasket; these leaks should be repaired before the engine oil and coolant intermix which can result in severe engine damage.
Oil in my coolant system just discovered, Must be a gasket issue but i'm not completely sure - Visitor
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High mileage or older vehicles commonly develop leaks from the differential seals and/or cover....
High mileage vehicles may develop a leak from one or more of the transmission oil seals.