Electrical Issues Due to Degraded Engine Wiring Harness on Mercedes-Benz 600SEL

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.

RepairPal Verified
Average mileage: 125,000 (125,000–125,000)
2 model years affected: 1992, 1993
3 people reported this problem
1 person shared problem details
My body harness and engine harness both are failing due to the poor quality of the wire insolation used by Mercedes-Benz.
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