Adjusting The Volume - Mercedes-Benz Audio 20 Operating Instructions Manual

off. Your mobile phone can also no longer
be operated via the Audio 20 system.
Switching the sound on or off
Switching the audio source on/off
Press the 8 button.
X
The sound from the audio source is
switched on or off.
i
When the sound is switched off, you will
see the , symbol in the status bar.
If you change the audio source or adjust the
volume using thumbwheel ;, the sound
switches on automatically.

Adjusting the volume

Adjusting the volume for the audio
source
Turn thumbwheel ;.
X
or
Press the W or X button on the
X
multifunction steering wheel.
The volume of the audio source currently
selected changes.
Adjusting the volume for phone calls
You can adjust the volume for hands-free
mode during a phone call.
Turn thumbwheel ; during a phone call.
X
or
Press the W or X button on the
X
multifunction steering wheel during a
telephone call.
Adjusting the sound settings
Selecting the sound menu
The sound settings can be selected to suit a
variety of different audio sources. You can
access the sound menu for the current audio
Basic functions of Audio 20
source (radio, CD, USB audio, Bluetooth
audio, Media Interface, AUX) using the
respective basic menu.
Adjusting treble and bass
Select Sound using the controller (slide
X
VÆ, XVY or turn cVd) and press W to
confirm.
Select Treble or Bass
X
confirm.
Example: setting the bass
The current setting is indicated by a red
needle.
To change the setting: slide ZVÆ or turn
X
cVd the controller until the desired treble
and bass levels are set.
When you exit the menu, the current setting
is stored.
Adjusting balance and fader
With the balance function, you can control
whether the sound is louder on the driver's or
front-passenger side.
The fader function is used to control whether
the sound is louder in the front or the rear of
the vehicle.
Fader Vehicle
Function available C-Class, M-Class
Function not SLK
available
21
®
and press W to