Mercedes-Benz M-Class 2008 Owners Manual - Manual (Page 235)

234
Controls in detail
3-zone automatic climate control*
Adjusting air volume
Adjusting manually
Five blower speeds are available.
̈ Press button ˜ to decrease or
button Q to increase air volume to
the desired level.
The indicator lamp on the button U
goes out. The selected blower speed is
shown by the indicator lamps for air
volume settings
9 ( ୴ page 231).
Adjusting automatically
̈ Press button U.
The indicator lamp on the button
comes on. The air volume is adjusted
automatically.