Mercedes-Benz CLK55 AMG Problem Report
Mercedes-Benz CLK55 AMG The Differential May Develop Leaks From the Seals or Cover
Leaks may develop from the differential cover and/or seals on high mileage or older vehicles. Our technicians recommend a complete reseal of the differential unit if these leaks are addressed.
Perhaps its the torque engine and its output that cause this problem. Lindon MB had to fix my situation - Visitor