Electrical Issues Due to Degraded Engine Wiring Harness on Mercedes-Benz 400SEL

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: 223,800 (223,800–223,800)
1 model year affected: 1993
3 people reported this problem
1 person shared problem details
drivers side head light wont burn after replacing with new bulb and new fuse
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