Heating/air-conditioning system
Only use the following settings until the wind-
screen and windows are clear again.
X
Set temperature control = to z
(Y page 116).
X
Set air-distribution control A to M z.
X
Turn airflow control : to position 5.
X
Close the centre air vents (Y page 120).
X
Turn the thumbwheel on the side air vent all
the way outwards past the detent to the z
position (Y page 120).
Automatic climate control and heat-
ing/air-conditioning system with aux-
iliary heating
Only use the following settings until the wind-
screen and windows are clear again.
The defrost function automatically:
R
switches the temperature to HI
R
deactivates air-recirculation mode
R
sets the airflow to maximum
R
guides air distribution towards the wind-
screen and the window
X
To switch on: press the z button.
The indicator lamp in the button lights up.
X
Turn the thumbwheel on the side air vent all
the way outwards past the detent to the z
position (Y page 120).
X
To deactivate: press the z button.
The indicator lamp in the button goes out. The
previous settings for the airflow and the air
distribution come into effect again.
or
X
Press one of the à buttons on the auto-
matic climate control panel.
The indicator lamp in the z button goes
out. The indicator lamps in the à buttons
light up. Automatic climate control automati-
cally controls all basic functions
(Y page 119).
Switching air recirculation mode
on/off
If you switch the air-recirculation mode on, the
windscreens may mist up more quickly, espe-
cially at low outside temperatures. Only switch
air-recirculation mode on for a short time.
Switch the flow of fresh air off temporarily and
switch on air-recirculation mode if there are
unpleasant odours or in dusty conditions.
X
Close the window, roof hatch, pop-up roof or
sliding sunroof.
X
Press the ø button.
If the indicator lamp in the button lights up,
air-recirculation mode is activated.
Switching residual engine heat uti-
lisation on/off
On vehicles with residual engine heat utilisation,
you can use the residual heat of the engine to
heat the vehicle for up to 90 minutes when stop-
ped.
If you deactivate residual engine heat utilisation,
the auxiliary air conditioning system
(Y page 123) and the auxiliary heating system
(Y page 126) are deactivated automatically.
X
Press the Ì or Á button.
If the indicator lamp in the button lights up,
residual engine heat utilisation is activated.
X
Set the temperature, airflow, air distribution
and air vents as desired.
The automatic air conditioning system auto-
matically switches to automatic mode
(Y page 119).
Residual engine heat utilisation switches off
automatically:
R
when you start the engine
R
after a maximum of approximately
90 minutes depending on the set temperature
and the coolant temperature
Switching the auxiliary ventilation
on/off
X
To switch on: turn the ignition lock to the
radio position.
X
Set airflow control : to the desired level
(Y page 116).
The blower ventilates the cab.
X
To switch off: slide airflow control : to the
left to position 0.
122
Switching the auxiliary ventilation on/off
Climate control
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