Mercedes-Benz C320 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your Mercedes-Benz C320

Mercedes-Benz C320 Problems

Broken Stepper Motor Actuating Arm May Cause Clicking Noise From Behind Dash

A repetitive clicking noise from behind the center area of the dash panel is usually caused by a broken stepper motor actuating arm. The actuating arm controls the direction of air flow in the climate control system. Disassembly of the center console will be required to access and change the broken arm with the updated, reinforced part.

Dead Battery Due to Failed Seat Control Module

A dead battery can be caused by a faulty seat control module that does not properly shut down.  Spilling liquids on the front seats can cause these modules to fail.

Engine Performance Problems Due to Crankshaft Position Sensor Failure

The engine may develop a stalling and/or no start condition due to a failed crankshaft position sensor.

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Mercedes-Benz C320 Questions

where is body module at on 2001 Mercedes c320 (2 answers)

How do I get the car to change gear after it passed through deep muddy Waters? (1 answer)

Drove through deep mud. Car refused to leave gear 1. Have tried to remove it from emergency mode. First, will struggle to change but remains settled in gear 1. What do I do?

hatchback is signaling open when locked closed where is the sensor? (1 answer)

gnal sensor on hatch rail or in the lock? neither?

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Mercedes-Benz C320 Recalls

Driver's Frontal Air Bag Inflator Ruptures And Sprays Metal Fragments

The driver's frontal air bag inflator may deploy the air bag with excessive pressure, resulting in the inflator rupturing and causing metal debris to be sprayed onto vehicle occupants. Dealers will replace the driver's frontal air bag module free of charge to resolve the concern.

Incorrect Software Calibration May Cause Fuel Pump to Remain Powered in a Collision

There is a faulty software calibration that affects several areas including shutting off the fuel supply in a collision. This could cause a fire hazard during an accident. Dealers will reprogram this software. The Mercedes-Benz recall number is 2008 070001. This recall began during August, 2008.

Air Bags in Sport Model Steering Wheels May Fail to Deploy Correctly

Certain passenger vehicles equipped with sport model steering wheels fail to comply with the requirements of the Federal Motor Vehicle Safety Standard # 208 "Occupant Crash Protection"In certain tests conducted by NHTSA, using an unbelted female crash test dummy, conditions were found that occupants may not be properly protected during a crash, resulting in injuries. Dealers will install a new airbag module free of charge. The Mercedes recall # is 2006020005

 

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Mercedes-Benz C320 Reviews

I bought my C320 in 2007 with 42K on it. Good records on service history. I do my own work which I believe everyone should with the prices these dealers charge. It really is not hard, and you will save tons of $$$. There are many great sources for help and instruction on-line that are very useful. My problems have been: Shade for back window stopped working. I live in NM and it stopped worki...
I have a 2001 C320 engine light was on took to repair shop an they change 02 sensor and engine light is still on .what else could this be
Today, when I got in the car to go to work, the front driver seat was all the way forward and would not move back. I had to drive all the way to work with the steering almost touching my chest. Tried everything and I can hera a click when I try to move the seat. I guess the motor went bad and there is no way to manually move the seat until I can replace it. Any ideas..?

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