2004 Mercedes Benz E500



April, 7, 2009 AT 7:22 AM

Electrical problem
2004 Mercedes Benz E500 V8 Two Wheel Drive Automatic 38000 miles

The key less entry works but not the key less start. I have replaced the batteries in the keys with no success. The system had always worked and one day just quit. Any troubleshooting suggestions would be greatly appreciated.

1 Answer



April, 8, 2009 AT 1:02 PM

I have seen this before and it turned out to be a coding issue with the EIS (electronic ignition switch). I would recommend having your dealer look at it as coding can only be done with their equipment the MB Star diagnostic machine.

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