Mercedes-Benz 600SEC Problem Report
Mercedes-Benz 600SEC 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.
Leaks may develop from the differential seals and/or cover on older or high mileage vehicles. O...
High mileage vehicles may develop a leak from one or more of the transmission oil seals.