Check Engine Light on Due to Failed Catalytic Converter on Mercedes-Benz C240

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

RepairPal Verified
Average mileage: 109,389 (47,000–140,000)
5 model years affected: 2001, 2002, 2003, 2004, more2005
13 people reported this problem
2 people shared problem details
Engine light on. Computer NO OPERATING PROBLEMS. Engine occasionally shakes or is rough in operation.
p0300, p 0306, p0305 dtc's Catalytic converter rattled under load
Related Items:
My car when I drive it over 85 MPH the check Engine light comes up for Engine mis fire, why is...
How do you know if you have a bad catalytic converter?
The engine may develop a stalling and/or no start condition due to a failed crankshaft position...
light had come on before, put higher octane gas, went off, changed plugs, went on long trip wit...

Related Content