What are some 2001 mercedes benz c240 problems?

The most common problem reported for the 2001 Mercedes-Benz C240 is a faulty stepper motor actuating arm, which causes an annoying clicking sound behind the dash. The issue tends to arise right around 105,000 miles. Coming in a close second in terms of number of complaints is a failed crankshaft position sensor. This results in engine performance problems. There are also many reports of spark plugs mIS Firing and the check engine light coming on because of a failed catalytic converter. The brake light switch and seat control module are both known to fail. Also, sway bar link joints tend to wear out prematurely, causing knocking over bumps. Mildew in the heater box has been a commonly reported problem. This results in a very bad-smelling passenger cabin. Other noteworthy issues include premature worn brake rotors, oil leaking from the oil level sensor, failed CD changer, dead battery, failed front thrust link bushings, cracked heater case, and oil leaking from PCV vent housings.