Mechanics

KEYLESS START

2004 Mercedes Benz E500

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.
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Villain
April 7, 2009.



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.

Gfimotorcars
Apr 8, 2009.