2003 Mercedes-Benz G500 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2003 Mercedes-Benz G500


Door lock actuators, window regulators, and inside door handles are all prone to premature failure.

The ESP and BAS warning lights may illuminate due to a failed brake light switch. Replacement of the failed switch should correct this concern.

The crankshaft position sensor may fail. Symptoms of this are: The engine will crank—but not start—especially when the engine is warm. The car may start again if it is left to cool off, but it may run roughly or have poor performance. Communicating these specific symptoms to your technician can save diagnostic time.

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Window regulators are substandard for this expensive car. Car has only 35,000 miles, bought it new. Don't drive everyday but make sure it's on the road to blow out engine iand all the services are maintained .

Vehicle can be parked, driving, locked, or unlocked. Remote unlock will shut off siren. Central locking in cabin will not turn it off, at least while driving. I can remove Fuse 8 but that also disables central locking altogether.

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There is a faulty software calibration that affects several areas including shutting off the fuel supply in a collision. This could cause a fire hazard during an accident. Dealers will reprogram this software. The Mercedes-Benz recall number is 2008 070001. This recall began during August, 2008.

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