High mileage or older vehicles commonly develop leaks from the differential seals and/or cover. Our technicians recommend a complete reseal of the differential unit whenever these leaks are repaired.Google+
Car Problem Reports
Mercedes-Benz E320 BLUETEC Leaks Develop at Differential Seals/Cover on High Mileage/Older Vehicles
Mercedes-Benz E320 BLUETEC Problem
Average Mileage: 93,250 mi (69,000 mi - 110,000 mi)
Visitor, 2009 Mercedes-Benz E320 BLUETEC, 69,000 mi
Had to replace Differential Oil Seals. Costly replacement. It cost me $1200 at the dealer to replace.