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promerc, mercedes diagnostic technician
Category: Mercedes
Satisfied Customers: 563
Experience:  Qualified mercedes diagnostic technician & service team manager , ATA registered Master tech
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Mercedes-Benz E350 4Matic I have an 06 E350 the radio just

Resolved Question:

I have an 06 E350 the radio just went out on me the mercedes logo comes on and then the screen go's blank about a week ago i lost navigation stop working just got message that said not available. i had HD head lights install about 5 month ago don't know if that may cause a problem? Any Idea on what may be the problem
Submitted: 6 years ago.
Category: Mercedes
Expert:  promerc replied 6 years ago.

promerc :

welcome to just answer , if the nav unit is dead then this looks as if its your problem , the audio system uses optic fibre cabling on a ring circuit if there is a break in this the ring will fail so only the head unit will operate but with no sound if a sound system is fitted , this needs mercedes specialist diagnostics to test the ring using star diagnostics , they will fit an adapter in the ring and bypass the nav unit

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