Mercedes-Benz C350 4MATIC Repair and Maintenance

A guide to problems, costs, maintenance and repair for your Mercedes-Benz C350 4MATIC

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Catalytic converter failure is common and may cause a Check Engine Light to illuminate.

The heating, ventilation and AC (HVAC) heater box is susceptible to mildew buildup. This can result in a musty odor from the HVAC system, most noticeable when the system is first turned on.

Vehicles equipped with a 7-speed automatic transmission may develop a rough shifting condition, most commonly going up from first to second gear and going down from third to second or second to first gear. Our technicians tell us this is due to an internal component failure. Mercedes has released updated parts; the transmission will need to be removed and disassembled to complete the necessary repairs.

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I took it to AutoZone so they could check it,the reading say it the camshaft position sensors.the diagnostic codes reads 0016,0017.

How will I know which I need, the standard of HID?
Thanks

After the car warms up you can smell (hot) from the drivers door back to the end of the car. All fluid levels are up, no flashing code or engine lights. Car still runs fine but you do have the hot smell. No visible leaks under the car.

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I have owned it for about 8 months now, bought it with 20,500 miles and it now has 35,000. No problems yet, just some steering noise that I will have checked out. Ride, performance, and quality have been great so far!

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