High Usage Vehicles May Experience Ignition Lock and Tumbler Failures on Mercedes-Benz S420

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: 175,333 (157,000–197,000)
6 model years affected: 1994, 1995, 1996, 1997, more1998, 1999
10 people reported this problem
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key ignition would stick at times/unable to turn key to start vehicle. Replaced ignition lock tumblers - solved the problem.