High Usage Vehicles May Experience Ignition Lock and Tumbler Failures on Mercedes-Benz C280

Problem Description and Possible Solution

Due to wear, high usage vehicles can experience ignition lock and tumbler failures. The ignition lock cylinder will generally require replacement to correct this concern.

Problem Data
RepairPal Verified
Average mileage: 157,501 (67,000–250,000)
4 model years affected: 1994, 1995, 1996, 1997
18 people reported this problem
Viewing 1 - 5 of 5 comments
Key would not turn and the car would not start.
the master key was worn and causing tumbler failures .. I started using the round key instead and it is still working
The key wont turn on the ignition, I guess I'm having the same problem, as the other people!!
drivers side doors lock no longer functions, have not yet replaced
Key won't turn. But after several tries turns and starts car with no problem.