Mercedes-Benz 2007 C 230 Operator's Manual page 193

Controls in detail
Audio system
Press RES soft key briefly.
The sound setting is reset depending
on the sound source activated.
Radio mode: STANDARD
CD/AUX mode: SURROUND
Telephone: SPEECH
The radio switches back to the
standard radio menu 8 seconds after
the last soft key is pressed.
Returning sound functions to factory
settings
Press O button to call up settings
menu in the display.
192
Press RES soft key briefly; the respec-
tive sound function is reset to its center
level.
or
Press and hold RES soft key until
appears in the display.
The sound settings for bass and treble
are returned to their center level and
the volume is set to a predefined level.
Vehicles with sound system*:
The sound setting is reset depending
on the sound source activated.
Radio mode:
STANDARD
CD/AUX mode: SURROUND
Telephone: SPEECH
The radio switches back to the
standard radio menu 4 seconds
after the last soft key is pressed.
Adjusting volume distribution
Call up fader and balance functions by
pressing the P button.
Fader
Press P button repeatedly until
FADER appears in the display.
RESET
Press V or W soft key.
The volume is distributed accordingly
between the front and rear of the
vehicle.
or
Press RES soft key briefly.
The fader is reset to its center level.
The radio switches back to the
standard radio menu 8 seconds after
the last soft key is pressed.