Mercedes Benz 2003 c 320 User Manual

168

Controls in detail

Audio system

In these instructions, the alpha-numeric 
keypad (right side of radio face) and the 
function buttons (left side of the radio 
face) are referred to as “buttons” and the 
four keys under the display are referred to 
as “soft keys”.

Switching on:

왘

Turn the key to position 1 or 2 in the 
starter switch.

or

왘

Turn control knob a.

Switching off:

왘

Remove the key from the starter 
switch.

or

왘

Turn control knob a.

왘

Turn control knob a.
The volume will increase or decrease 
according to the direction turned.

In radio, cassette and CD mode, press 
the AUD key to call up the bass, treble, 
balance and fader functions.

Settings for bass and treble are stored sep-
arately for the AM (medium wave, long 
wave, short wave) and FM (ultra-short 
wave) frequency bands, cassette mode 
and CD mode.

i

Do not press directly on the radio dis-
play face.

i

If the radio is turned on without the key 
in the ignition, it will automatically turn 
off again after approx. 30 minutes.

i

If your vehicle was equipped with a 
telephone* and voice control system*, 
and both are connected to the car 
radio, their volume can be adjusted 
separately while the telephone* is 
being used or voice control system* is 
activated.