Report: High Usage Vehicles May Experience Ignition Lock and Tumbler Failures
Mercedes-Benz S420 Problem
Average Mileage: 175,333 mi (157,000 mi - 197,000 mi)
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.
Not fixed yet.
Visitor, 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.