2004 Mercedes-Benz C320 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2004 Mercedes-Benz C320

2004 Mercedes-Benz C320 Problems

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.

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.

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

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2004 Mercedes-Benz C320 Questions

A friend said it may be the relay took it to a shop they said the computer was fried radio comes on key turns everything comes up on the dash board so how can the computer be fried.

Not sure about where the leak is coming from but a rough estimate would be appreciated.

This is the third time this has happened. Won't start when temperature is below about 40 to 45F. If above that starts and runs fine. MB technician tells me the mass air flow sensor thinks the real air temp is about 20F cooler than it really is and the engine computer changes the fuel mixtu...

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2004 Mercedes-Benz C320 Recalls

Some seat belt buckles may have a burr on a metal component of the locking mechanism. This could prevent the seat belt from locking under certain conditions. In the event of a crash, the seat occupant may not be properly restrained, increasing the risk of injury. Dealers will replace the affected seat belts. This recall is expected to begin on December 22, 2003. The Mercedes-Benz recall number is 2003 120006.

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2004 Mercedes-Benz C320 Reviews

i love this car! very smooth and fun to drive

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