Mercedes Benz 2008 c300 User Manual

Page of 509
188
Controls in detail
Audio system
Operation
In the following descriptions, an operation 
step is described as in example below.
b
 
Radio
 
 
Enter Frequency
 
is the short for
Press button
b on audio control 
unit repeatedly until desired waveband 
has been selected.
Slide
m
r
.
Slide
o
m or rotate 
y
m
z
 the audio con-
troller to select 
Radio
.
Press the audio controller 
n.
The 
Radio
 menu is selected and a list of 
submenus appears.
Slide
q
m or rotate 
y
m
z
 the audio con-
troller to select 
Enter Frequency
.
Press the audio controller 
n.
The 
Enter Frequency
 submenu is 
selected and appears in the audio 
display.
Switching audio system on or off
Rotary control/push button
o
1 Push button o
2 Rotary control
Switching on: Press push 
button o.
or
Open the audio display cover.
or
If the audio system was on as you 
switched off the ignition, turn the 
SmartKey in the starter switch to 
position 2.
The audio system will come back on 
with the last selected function.
Switching off: Press push 
button o.
or
Turn the SmartKey in the starter switch 
to position 0.
i
If the audio system is switched on without 
the SmartKey in the starter switch, it will 
automatically switch off again after 
approximately 30 minutes.
If your vehicle is equipped with a telephone*, the 
audio display may prompt you to enter your PIN 
(GSM network) or passcode (CDMA network).
i
Should excessively high temperatures occur 
while the audio system is being operated, 
HIGH TEMP will appear in the audio display, after 
which the audio system will be switched off for a 
cooling-down period.
i
When you switch off the audio system, you 
also switch off the currently playing audio source 
and the telephone* operating via audio control 
unit is not possible.