Selecting an active partition (USB mass storage devices only)
You can select this function for USB mass storage devices when the storage device is partitioned. Up to four partitions (primary or logical; FAT format) are supported.
The Windows formatting program
supports FAT partitioning up to 32 GB as
standard.
Select Media Interface in the basic
display by sliding 
and turning
the
COMAND controller and press 
to
confirm.
Select Select Active Partition and
press to confirm.
See also:
Display settings
Select Vehicle by turning
the
COMAND controller and press to
confirm.
Select Display OFF by turning
the
COMAND controller and press to
confirm.
To switch on the display: press
...
Roadside Assistance button
X Press and hold Roadside Assistance button 1 for more than two seconds. This
initiates a call to the Mercedes-Benz Customer Assistance Center. The indicator
lamp in Roadside Assistance button 1 ...
Crash-responsive emergency lighting
The interior lighting is activated automatically
if the vehicle is involved in an accident.
•► To switch off the crash-responsive
emergency lighting: press the hazard
warning lamp button. ...