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:
Important safety notes
WARNING
When leaving the vehicle, always remove the
SmartKey from the ignition lock. Always take
the SmartKey with you and lock the vehicle.
Do not leave children unsupervised in the
vehicle ...
Tire size designation, load-bearingcapacity and speed index
1 Tire width
2 Nominal aspect ratio in %
3 Tire code
4 Rim diameter
5 Load bearing index
6 Tire speed rating
Tire data is vehicle-specific and may
deviate from the data in the example.
Ge ...
SRS warning lamp
SRS functions are checked regularly when
you switch on the ignition and when the
engine is running. Therefore, malfunctions
can be detected in good time.
The SRS warning lamp in the
instrume ...