Mercedes-Benz 2005 CLK-Class Cabriolet Operator's Manual page 206

Adjusting the volume
Turn rotary control of N button.
The volume will increase or decrease
depending on the direction turned.
i
If your vehicle equipment includes a
Mercedes-Benz specified mobile
telephone*, 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 the O button.
Settings for bass and treble are stored
separately for the AM and FM wavebands,
weather band, CD mode and telephone
mode.
Bass
Press O button repeatedly until
BASS appears in the display.
Press or soft key to increase or de-
+ –
crease tone level accordingly.
or
Press soft key briefly to reset bass
RES
tones to their center level.
The radio switches back to the stan-
dard radio menu eight seconds after
the last soft key is pressed.
Controls in detail
Audio system
Adjusting treble
Press O button repeatedly until
TREBLE appears in the display.
Press or soft key to increase or de-
+ –
crease tone level accordingly.
or
Press RES soft key briefly to reset treble
tones to their center level.
The radio switches back to the stan-
dard radio menu eight seconds after
the last soft key is pressed.
205