Subsequently Check Power Supply For Digital Radio (DAB) Antenna - AZ82.85-S-0012-03E

Model 447.6/7 

Courtesy of MERCEDES-BENZ USA

1. Switch on Communication and Navigation System (CNS) head unit.
2. In main menu, select and actuate "RADIO" menu (arrow A).
3. Select menu arrow (arrow B), scroll down and actuate "Source OFF" menu.
4. Select and actuate "Settings" menu (arrow C).
5. Select and actuate "AV Source Settings" menu.
6. Select and actuate "DAB Settings" menu.
7. In "DAB Settings" menu, check power supply of digital radio (DAB) antenna.

   The status of the "Antenna Power Supply" menu must be set to "On".

   If necessary,

   ↓

   Change status of "Antenna Power Supply" menu to "On".