Electrical Issues Due to Degraded Engine Wiring Harness on Mercedes-Benz 300SD

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: 227,250 (197,500–257,000)
2 model years affected: 1992, 1993
6 people reported this problem
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Viewing 1 - 3 of 3 problem details
wiring degrading where can I get a replacement harness
1992 Mercedes-Benz 300SD 257,000 mi,
Same as the above. Degraded harness(Thats what happens when you go green)
1992 Mercedes-Benz 300SD 197,500 mi,
replace it ouch