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2007 E350 4M
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28 Posts
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Car is 2007 E3504M with Prem Pkg, Sport Pkg, and Pan Roof, 36K miles. Nav Pkg SUDDENLY stopped working with msg "Navigation not available". No "Power On" red light in trunk unit and DVD thus.won't come out. Any board help available on where to start??? MTIA.
 

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2005 E320 CDI (W211)
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157 Posts
Sounds like a blown fuse.

If not, perhaps a damaged wire?.....in the boot region. After checking all fuses, next place I'd look are those wires attached to the left hinge on the boot. Thes wires get flex'd quite and as such, become abraded from rubbing against the hinge. It's a known issue.

Failing that, unplug the Nav drive, power up the audio system, then power it all back down, shut off car and lock all doors. Wait 3 to 5 minutes until the BUS system goes to sleep, then unlock car, open boot, plug the Nav drive back in, and fire everything back up. This should reset the system...and when power is restored the Nav drive, it should be recognized.

Best of luck, TJ
 
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