E-Class (W211) 2003-2009

Static interference in COMMAND on w211 E550

Old Apr 7, 2015 | 11:22 PM
  #1  
sneerz's Avatar
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2008 E550
Static interference in COMMAND on w211 E550

I have noticed that my E550 has a strong background static noise if I turn up the volume at all, and I can especially notice it if a song has a quiet part in it and it really gets on my nerves. I have the COMMAND unit in a 2008 model and I really don't know what to do. I also have the ipod connection in the glovebox. Is the only solution to fix this to get an aftermarket head unit or are there other options? I heard a ground loop isolator might work but I don't know where to begin.
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Old Apr 8, 2015 | 12:03 AM
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samaritrey's Avatar
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From: VA
THE C350
Is the issue only on the ipod or on any audio source?
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Old Apr 8, 2015 | 11:45 AM
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From: North Scottsdale, AZ
'71 Pinto
If heard across all sources (radio, etc.) may be Audio Gateway (amplifier) check connections & housing/bracket ground if fine, definitive diagnose have someone pull fault codes using MB DAS. If you replace amp, replacement may need coding to match MOST setup - part # should be either 2118704289 or 6989.

Membership FYI if static coincides with rear defogger use, grid is damaged and rear window needs replacement.

http://www.google.com/url?sa=t&rct=j...,d.cGU&cad=rja
http://www.google.com/url?sa=t&rct=j...,d.cGU&cad=rja
http://www.google.com/url?sa=t&rct=j...,d.cGU&cad=rja

Last edited by konigstiger; Apr 8, 2015 at 12:13 PM.
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