Mercedes Benz G500 owners have reported 1 electrical system related problems since 1996. Table 1 shows the 1 most common electrical system problems. The number one most common problem is related to the vehicle's ignition switch (1 problem). For details of each of the problem category, use the links in the table.
| Problem Category | Number of Problems |
|---|---|
| Ignition Switch problems |
The vehicle has turned off by itself while driving at various speeds. Engine turns off, all electrical power including power steering and brake assist shuts off - when this happens vehicle becomes very difficult to operate. To regain power, vehicle must be switched to neutral, come to a complete stop, and key needs to be cycled off and back on. Dealer, Mercedes Benz of westminster in colorado has not been able to diagnose the problem with a great degree of certainty, although they think it may be a defective ignition switch. Dealer has contacted mbusa for them to authorize exploratory repairs at no or partial cost to the customer, which mbusa has refused. This is the same ignition switch which was used on 2005-08 mercedes c-class and has caused a myriad of electrical issues as documented by vehicle owners on various forums such as mbworld. Org and benzworld. Org - mercedes has issued a TSB for those vehicles, but not for low production # vehicles such as a G500.