ad blue MERCEDES-BENZ ML500 2005 W163 Owner's Manual

139 Controls in detail
Automatic climate control
Automatic mode
Switching on
Briefly press buttonU
(page 137).
The indicator lamp comes on. The tem-
perature, air volume and distribution
are controlled automatically.

Adjust the temperature with the tem-
perature control4 (
page 137).
Temperature control is switched off in
the extreme position (blue or red dot).
Switching off

Briefly press buttonU
(page 137).
The indicator lamp goes out. The auto-
matic mode is switched off.
Air volume control1 is set to fan
speed 2 and air distribution is set
toV.Activating basic setting

Press buttonU at least
three seconds.
All functions are switched to automatic
mode and temperature is set to 72°F
(22°C).
Changing basic setting

Set temperature control4
(page 137) to desired temperature.

Press buttonU for ten seconds.
The selected temperature value is
stored and set.Adjusting air volume and air distribu-
tion manually
Adjusting air volume
Turn air volume control1 to one of
five air volume settings.
iAdjust temperature settings in small
increments.
iIf you turn air volume control1 or air
distribution control8 (
page 137),
the automatic mode switches off. The
indicator lamp in the buttonU goes
out. The temperature control will still
be in automatic mode.
iWhen set to 0 the system is fully deac-
tivated and no fresh air is supplied. This
setting should only be selected for
short periods of time.