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Audio system
147
switch off again after approximately
30 minutes.
If your vehicle is equipped with a mobile
phone, the display may prompt you to enter
your PIN (GSM network) or code (TDMA or
CDMA network).
Switching off
X
Remove SmartKey from starter switch.
or
X
Press button M.
i
Should excessively high temperatures
occur while the audio system is being
operated, the display will dim. If
temperatures continue to rise, HIGH TEMP
will appear in the display, after which the
audio system will be switched off for a
cooling-down period.
Adjusting the volume
X
Turn rotary control of button M.
The volume will increase or decrease
depending on the direction turned.
i
If your vehicle equipment includes a
Mercedes-Benz specified mobile phone,
you can adjust its volume separately from
the volume of the audio system while the
telephone is being used.
Adjusting sound functions
The bass and treble functions are called up by
pressing button O.
Settings for bass and treble are stored
separately for the AM and FM wavebands,
weather band, CD mode and telephone mode.
Bass
X
Press button O repeatedly until BASS
appears in the display.
X
Press + or – soft key to increase or
decrease tone level accordingly.
or
X
Press RES soft key briefly to reset bass
tones to their center level.
The radio switches back to the standard
radio menu eight seconds after the last soft
key is pressed.
Adjusting treble
X
Press button O repeatedly until
TREBLE appears in the display.
X
Press + or – soft key to increase or
decrease tone level accordingly.
or
X
Press RES soft key briefly to reset treble
tones to their center level.
The radio switches back to the standard
radio menu eight seconds after the last soft
key is pressed.
Controls in detail
Z