Mercedes-Benz E320 CDI Repair and Maintenance
A guide to problems, costs, maintenance and repair for your Mercedes-Benz E320 CDI
Mercedes-Benz E320 CDI Problems
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.
Irregular and premature tire wear can be caused by the front thrust link bushings cracking and causing excessive movement in the suspension. The thrust link bushings are fluid-filled (to help reduce vibration), so if they crack, they will leak oil.
The cup holder in the center console may break.
Mercedes-Benz E320 CDI Questions
My local mechanic could not find problem and also suspected a control module. Recommended dealer diagnose the problem. What is average repair cost to replace the CDI controller?
When the engine is cold, the glow plug light on the dash will not come on when the key is turned to the "ON" position. If I try turning it further, to the "START" position, the engine will not turn over. The glow plug light must come on and then go out, in order for the igniti...
comes and goes
Mercedes-Benz E320 CDI Recalls
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.