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Electrical Issues Due to Degraded Engine Wiring Harness on Mercedes-Benz 500SEC

Problem Description and Possible Solution

The engine wiring can degrade because the insulating material falls off leaving the bare wire exposed. This can cause many problems depending on which wires are exposed and what they touch.

Problem Data
RepairPal Verified
Average mileage: (–)
1 model year affected: 1993
1 person reported this problem