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Controls in detail
Audio system
Button and soft key operation
In these instructions, the alphanumeric
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 the unit on/off
Switching on
̈ Turn the SmartKey in the starter switch
to position 1 or 2.
̈ If the audio system was on as you
removed the SmartKey from the starter
switch, the audio system will
automatically come back on as you
turn the SmartKey to position 1 or 2.
or
̈ Press M button.
Switching off
̈ Remove SmartKey from starter switch.
or
̈ Press M button.
Adjusting the volume
̈ Turn rotary control of N button.
The volume will increase or decrease
depending on the direction turned.
!
Do not press directly in the display face.
Otherwise, the display will be damaged.
i
If the radio is switched on without the key in
the starter switch, it will automatically switch off
again after approx. 30 minutes.
If your vehicle is equipped with a telephone, the
display may prompt you to enter your PIN (GSM
network) or code (TDMA or CDMA network).
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.
i
If your vehicle equipment includes a Mer-
cedes-Benz specified mobile phone*, you can
adjust its volume separately from the volume of
the audio system while the telephone is being
used.