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

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.

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Average mileage: 100,000 (100,000–100,000)
4 model years affected: 1990, 1991, 1992, 1993 more
6 people reported this problem
1 person shared problem details
wireing insulation falling of where a/c wiring passes neer eng on driver side and sensors wireing doing same on passenger side also
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