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Mercedes-Benz S320 Problems

Electrical Issues Due to Degraded Engine Wiring Harness on Mercedes-Benz S320

Problem Description and Possible Solution

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.

(17 people reported this problem)

Mercedes-Benz S320 Vehicles With This Problem

RepairPal Verified
Average mileage: 105,221 (60,000–145,549)
6 model years affected: 1994, 1995, 1996, 1997, more1998, 1999
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Wiring insulation degrades and bare wires exposed leading to shorts in various electrical components