Mercedes-Benz Comand Operator's Manual page 35

Adjusting the volume
At the COMAND, turn the rotary control
at the e key.
or
Press J or I on the
multifunction steering wheel.
The volume is turned up or down
depending on the direction of rotation
or the key pressed.
The system remembers the volume
setting when it is switched off.
When the system is switched on again,
the volume may be lower than at the
time when the system was switched
OFF.
This will be the case when the volume
was adjusted to a value outside a
certain range when the system was
switched off.
The automatic volume control feature
adjusts the volume depending on:
vehicle speed
or
ambient noise inside the vehicle
other parameters (e.g. windows open
or closed)
At a glance
Quick reference COMAND
35