Electrical Issues Due to Degraded Engine Wiring Harness on Mercedes-Benz C230

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: 122,500 (97,000–148,000)
5 model years affected: 1997, 1998, 1999, 2000, more2004
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problem details
1999 Mercedes-Benz C230 148,000 mi,
not fixed just yet, battery drains if not driven in 3 days