Mercedes-Benz 2004 C 320 4MATIC Automobile User Manual


 
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Controls in detail
Audio system
Button and soft key operation
In these instructions, the alpha-numeric
keypad (right side of radio panel) and the
function buttons (left side of radio panel)
are referred to as “buttons”. The four keys
below the display panel are referred to as
“soft keys”.
Operation
Switching on/off
Switching on:
̈ Turn SmartKey in starter switch to
position 1 or 2 .
or
̈ Turn control knob a.
Switching off:
̈ Remove SmartKey from starter switch.
or
̈ Turn control knob a.
Adjusting the volume
̈ Turn control knob a.
The volume will increase or decrease
depending on the direction turned.
Adjusting audio functions
Press the AUD key to call up the bass, tre-
ble, balance and fader functions in the var-
ious operating modes. Settings for bass
and treble are stored separately for the AM
and FM frequency bands, satellite radio
(SAT) mode, cassette mode and CD mode.
!
Do not press directly on the display
face. Otherwise, the display will be
damaged.
i
If the radio is switched on without the
SmartKey in the starter switch, it will
automatically switch off again after ap-
prox. 30 minutes.
i
The volume setting can be selected
separately for the telephone*, audio
system and voice control system*.