Wiring Problems of Mercedes Benz C320

The contact owns a 2002 mercedes C320. When driving over a pot hole or bump in the road at speeds of 20 mph and higher, the contact stated that he heard a loud "metal to metal" noise coming from the front of the vehicle. The vehicle was taken to the dealer where the bushings were replaced under the factory warranty. Four years later, the failure recurred. The vehicle was taken to an independent technician who replaced the bushings for the second time as well as the front control arms. The front driver's side power seat failed and when taken to the dealer, he was advised that the driver's side front seat electronic control unit would need to be replaced. The repairs to the seat were made at the owner's expense. There were no recalls for the failure for his particular year, make and model vehicle. The right front turn signal also failed. He attempted to replace the bulb but to no avail. When the vehicle was diagnosed by an independent technician, it was confirmed that the wiring harness was defective. The manufacturer was contacted and provided no assistance. The failure mileage was 80,000 and the current mileage was 87,000.

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The light bulbs in my 2002 mercedes C320 are repeatedly going out. In the last year I have replaced (or had the dealer replace) the trunk light twice, the license plate light twice, both brake lights in the back at least once. In the last 3 months, we've replaced the front left turn signal light 3 times. The dealer cleaned the connectors last week - says that mercedes knows of a faulty electrical connector problem and an exec at mercedes was fired over the bad contractor they used. Currently the front left turn signal works sporadically. We'll bring it in to get replaced and it will work, so I drive it home and it stops working again. Now the dealer says I may need to replace the warning software (big $). He suggested I write to you.

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