Mercedes-Benz E320 CDI Repair and Maintenance
A guide to problems, costs, maintenance and repair for your Mercedes-Benz E320 CDI
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Mercedes-Benz E320 CDI ProblemsSRS Light Due to Damage from Liquid Spilled onto Passenger Seat
Water can damage the weight sensor in the front, passenger seat, causing the SRS (airbag) light to illuminate. There is an electrical component in the seat cushion susceptible to fluid damage. Any spills should be dried up immediately in order to try and prevent damage to the sensor.
It is not uncommon to encounter premature failure of the anti-lock brake system (ABS) modulator assembly due to dirty brake fluid. Our technicians recommend flushing the brake fluid every two years in order to help prevent this problem.
A vibration felt through the center floor of the vehicle can be caused by driveshaft flex discs, which crack and shred, causing excessive driveshaft movement. Not repairing these can cause damage to the driveshaft center support bearing, or, in the worst case scenario, damage to the transmission or differential.
Mercedes-Benz E320 CDI QuestionsCar won't start - dealer diagnosed as CDI (engine) controller failure. (1 answer)
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 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.