radio mute while nav is talking?

I assume you are not proposing different volume knobs for all different audio sources (and even there it would be difficult to adjust the volume, before the actual source is "talking"). Isn't it easy to remember that "you are tuning the audio level that you are listening"?

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Both the Owner's Manual and the COMAND Manual are there in Pdf form..
The 2010 manuals cover the 2011 W212's.
Last edited by BudC; Mar 31, 2011 at 09:37 PM.
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http://www.mbusa.com/mercedes/servic...owners_manuals
Click on Model 2010 Owner's Manuals and you should see both Owner's Manuals and COMAND Manuals.



