Reception and transmission volume
Once the mobile phone has been authorized,
you can optimize the transmission and
reception volume settings. Find information
on the optimal setting for your mobile phone
on the Internet at
http://www.mbusa-mobile.com. Or call
the Mercedes-Benz Customer Assistance
Center on
1-800-FOR-MERCedes(1-800-367-6372) (for
Incorrect settings may have a significant
impact on the quality of calls.
Press the 
function button.
Select Data/Connections in the
telephone basic menu by sliding 
and
turning 
the COMAND controller and
press 
to confirm.
Select Bluetooth Telephones and press
to confirm.
Select an authorized mobile phone from
the list by turning .
Select Options by sliding 
and press
to confirm.
Select Reception Volume or
Transmission Volume and press
to
confirm.
To set the volume on scale: select by
sliding 
the COMAND controller and
press to confirm.
See also:
Uploading/downloading data
With this function, you can transfer COMAND
data from one system (vehicle) to another
system (vehicle). You can use either a USB
stick or an SD card as temporary storage.
You can only transfer ...
Rear axle level control
The vehicle automatically sets the vehicle
level at the rear axle. Rear axle level control
ensures the best possible suspension and
that the ground clearance remains constant
even when the veh ...
Safety systems
Display messages
Possible causes/consequences and Solutions
Currently
Unavailable See Operator's Manual
G Risk of accident ABS (Anti-lock Braking System), ESP®
(E ...