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

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.

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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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problem details
1999 Mercedes-Benz S420 197,000 mi,
key ignition would stick at times/unable to turn key to start vehicle. Replaced ignition lock tumblers - solved the problem.