Electrical Issues Due to Degraded Engine Wiring Harness on Mercedes-Benz 300E 4MATIC

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: (–)
4 model years affected: 1990, 1991, 1992, 1993
5 people reported this problem
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