Mercedes-Benz SLR McLaren. Operator's Manual.

Bass
Regardless of operating mode, press
the AUD key repeatedly until BASS
appears on the display.
Press + or - key to increase or decrease
level.
or
Press both + and - keys simultaneously
to reset the Bass to its center (flat) level.
Treble
Regardless of operating mode, press
the AUD key repeatedly until TREBLE
appears on the display.
Press + or - key to increase or
decrease level.
or
Press both + and - keys simultaneously
to reset the Treble to its center (flat)
level.
Fader
Controls in detail
Audio system
i
Your vehicle may or may not have the
fader function, depending on the
vehicle equipment and model.
Regardless of operating mode, press
the AUD key repeatedly until FADER
appears on the display.
Press F or R key to shift sound accordingly
to the front or rear speakers.
or
Press both F and R keys simultaneously
to reset the Fader to its center level.
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