Mercedes-Benz C300 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your Mercedes-Benz C300
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Mercedes-Benz C300 ProblemsCracked Driveshaft Flex Discs May Cause Driveshaft Movement/Vibration
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.
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.
Diesel Fuel Gauge shows (same) incorrect value when switched on as if blocked.
Even after filling the tank, it still continued to show in my case 3/4 full.
All digital Fuel Consumption Values showed nonsensical values.
Apart from long distance journeys, I never knew how much fuel was still actually in my tank.
My Fast Solution:
A Combi Instrument Display Reset triggered by simply removing and replacing the
Mercedes-Benz C300 QuestionsEngine malfunction indicator On. Diagnostic code PO456. Some time it noticed that fuel dripping right rear tire area and sometime smell gasoline out side of car. how can I fix? (1 answer)
the other day i was driving my car when from anywhere the brake pedal gets really heavy to stop the car, it does not goes down to stop the car fast three hours later it was fine. We have been serve the car for a problem in the front suspension where they supposed to remove front rotors and brakes...
The engine operates fine and the car still runs well.
Mercedes-Benz C300 RecallsGlass Sunroof Detaches From Vehicle
The panoramic sunroof glass may not be properly bonded to the vehicle, and may detach and fall while driving. Dealers will inspect the bonding of the rear sunroof glass panel and replace it as necessary free of charge to resolve the concern.
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.
The air bag control unit may corrode and cause it to malfunction, resulting in air bags that deploy when not intended, or do not deploy at all in an accident. Dealers will inspect and replace the air bag control unit as needed free of charge to resolve the concern.