RepairPal Certified shops can diagnose and repair your 1992 Mercedes-Benz 500SL. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
there is a very good possibility that the odometer could have been replaced at some point with a used unit, your best bet would be to ask the person your purchasing from about the history they have and the discrepancy of the odometer.