2003 MERCEDES-BENZ ML320 climate settings

126 Controls in detailAutomatic climate controlThe automatic climate control is operation-
al whenever the engine is running. You can
operate the climate control system in ei-
ther the automatic or manual mode. The
system cools or heats the interior depend-
ing on the selected interior temperature
and the current outside temperature.
Nearly all dust particles, pollutants and
odors are filtered out before outside air en-
ters the passenger compartment through
the air distribution system.
Automatic mode
Switching on
Briefly press button
U

(
page 125).
The indicator lamp lights up. The tem-
perature, air volume and distribution
are controlled automatically.

Adjust the temperature with the tem-
perature control4 (
page 125).
Temperature control is switched off in
the extreme position (blue or red dot).
Warning!
G
Follow the recommended settings for heat-
ing and cooling given on the following pag-
es. Otherwise the windows could fog up,
impairing visibility and endangering you and
others.
iSevere conditions (e.g. strong air pollu-
tion) may require replacement of the fil-
ter before its scheduled interval. A
clogged filter will reduce the air volume
to the interior.
If the vehicle interior is hot, ventilate
the interior before driving off.
Keep the air intake grille in front of the
windshield free of snow and debris.
Do not touch the interior temperature
sensor to maintain a precise tempera-
ture.
The set value is indicated by a lighted
segment on the control wheels.

127 Controls in detail
Automatic climate control
Switching off
Briefly press button
U

(
page 125).
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 button
U
at least three sec-
onds.
All functions are switched to automatic
mode and temperature is set to 72°F
(22°C).Changing basic setting

Set temperature control4
(page 125) to desired temperature.

Press button
U
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 in-
crements.
iIf you turn air volume control1
(page 125) or air distribution
control8, the automatic mode switch-
es off. The indicator lamp in the
button
U
goes out. The tempera-
ture 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.

128 Controls in detailAutomatic climate controlAdjusting air distribution
Turn air distribution control8
(page 125) to one the following sym-
bols:
Windshield fogged on the outside

Switch the windshield wipers on.

Turn air distribution control8 to
h

or
k
.
Defrosting
Activating
Press button
P
(page 125).
The indicator lamp on the button lights
up.
Deactivating

Press button
P
again.
or

Press button
U
(page 125).
The indicator lamp on the button lights
up.
The indicator lamp on the button lights up.
Air recirculation mode
Switch to air recirculation mode to prevent
unpleasant odors from entering the vehicle
from the outside. This setting cuts off the
intake of outside air and recirculates the
air in the passenger compartment.
Symbol
Function
h
Directs air to the center
and side air outlets
j
Directs air to the wind-
shield and side air outlets
V
Directs air into the entire
vehicle interior
k
Directs air to the foot-
wells and side air outlets
iThese settings should only be selected
for a short time.
When the defrost setting has been se-
lected, only the rear window defroster
can be switched on. No other settings
are possible.
Warning!
G
When the outside temperature is below
41°F (5°C), only switch to air recirculation
mode for short periods to prevent window
fogging.