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

Wire Connector on Transmission May Leak Fluid and Damage Control Module

The electrical connector at the automatic transmission may leak fluid. Over time leaking fluid could migrate through the wiring harness and damage the transmission control module. If that happens a new harness and control module may be necessary to correct the problem.

Inside Grab Handles/Upholstery/Door Trim Panels May Delaminate

Inside grab handles, the upholstery on the center console cover, and door trim panels can delaminate. Most commonly replacement of the affected part is necessary.

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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2004 Mercedes-Benz C320 Questions

i jump a car off with my car now mine won't start. (2 answers)

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.

How much does it cost to fix an oil leak on a 2004 Mercedes 320? (1 answer)

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

Who do you contact at MB USA if trained MB technicians don't know how to fix it? (1 answer)

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

One or More Seat Belts May Not Lock as Designed

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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