2004 Mercedes-Benz C320 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2004 Mercedes-Benz C320
Verified by mechanics, reported by drivers like you
Ask a mechanic in our community
Never overpay. Check prices with our estimator
2004 Mercedes-Benz C320 ProblemsEngine 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.
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.
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.
2004 Mercedes-Benz C320 Questionsi 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.
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...
2004 Mercedes-Benz C320 RecallsOne 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.