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.
Resources for the Repair and Maintenance of your 2006 Mercedes-Benz C350 4MATIC
2006 Mercedes-Benz C350 4MATIC
2006 Mercedes-Benz C350 4MATIC Problems
Irregular and premature tire wear can be caused by the front thrust link bushings cracking and causing excessive movement in the suspension. The thrust link bushings are fluid-filled (to help reduce vibration), so if they crack, they will leak oil.
Catalytic converter failure is common and may cause a Check Engine Light to illuminate.
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.
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.
2006 Mercedes-Benz C350 4MATIC Questions and Answers
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 ...
2006 Mercedes-Benz C350 4MATIC Reviews
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!