C-Class (W204) 2008 - 2014: C180K, C200K, C230, C280, C300, C350, C200CDI, C220CDI, C320CDI

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Old Aug 15, 2013 | 08:54 PM
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Alexdfw's Avatar
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Joined: Apr 2013
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From: DFW, TX
09 C300 4matic
UMI Bluetooth

Those of you w/ the UMI/Nav 20: When your phone is connected via bluetooth and your car is off, does your UMI try to connect with your phone whilst the car is off?

It's happened to me several times... I'll be sitting in my office or my backyard listening to music through my Bose Soundlink and all of a sudden the music will cut off... This happens because my phone connects with the UMI.

Also, is there a part number for the US map/software update?
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