Mercedes-Benz E320 BLUETEC Repair and Maintenance
A guide to problems, costs, maintenance and repair for your Mercedes-Benz E320 BLUETEC
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Mercedes-Benz E320 BLUETEC ProblemsLeaks Develop at Differential Seals/Cover on High Mileage/Older Vehicles
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.
The early versions of the central gateway module (which allows different systems to communicate with each other) have software problems.
Lack of audio or cell phone functionality may be related to the failure of the audio gateway module.
Mercedes-Benz E320 BLUETEC QuestionsCar lost power. Technician believes it to be a turbo charger issue. (1 answer)
Upon entering freeway and stepping on gas, there was no power to gain speed. Took quite a long time to reach 60mph. Drove to Dealership. Initial diagnosis is turbo charge issue. What can I expect? A hose, maybe a gasket? What are labor costs involved for turbo charge related issues?
The gear shifts from N to D happens with a jerk and while driving the gear automatic gear shifting does not take place. The engine runs at high rpm. Then when I switch off and restart, the problem goes away.
This problem happens sometimes.
Restarting the engine seems to reset the sensor.
Mercedes-Benz E320 BLUETEC RecallsDiesel Engine Crankshaft Sensor Failure Causes Engine Stall, No Start
The Diesel engine may stall and not restart due to a faulty crankshaft sensor. Dealers will replace the sensor free of charge to correct the problem.