Activating/deactivating air-recircula-
tion mode
General notes
If you activate air-recirculation mode, the win-
dows can mist up more quickly, particularly at
low temperatures. Use air-recirculation mode
only briefly to prevent the windows from misting
up.
Activating/deactivating
X
Turn the key to position
2
(
Y
page 96) in
the ignition lock.
X
To activate: press the
d
button.
The indicator lamp in the
d
button lights
up.
i
Air-recirculation mode is automatically acti-
vated at high levels of pollution or at high out-
side temperatures. When air-recirculation
mode is activated automatically, the indicator
lamp in the
d
button is not lit.
Outside air is added after about 30 minutes.
X
To deactivate: press the
d
button.
The indicator lamp in the
d
button goes
out.
i
Air-recirculation mode is deactivated auto-
matically:
R
after approximately five minutes at outside
temperatures below approximately 5 †
R
after approximately five minutes if "Cooling
with air dehumidification" is deactivated
R
after approximately 30 minutes at outside
temperatures above approximately 5 †
Switching the residual heat on/off
General notes
It is possible to make use of the residual heat of
the engine to continue heating the stationary
vehicle for up to 30 minutes after the engine has
been switched off. The heating time depends on
the set interior temperature.
Switching on/off
X
Turn the key to position
g
(
Y
page 96) in
the ignition lock or remove it.
X
To switch on: press the
Á
button.
The indicator lamp in the
Á
button lights
up.
i
The blower will run at a low speed regardless
of the airflow setting.
i
If you switch on the residual heat function at
high temperatures, only the ventilation will be
activated.
X
To switch off: press the
Á
button.
The indicator lamp in the
Á
button goes
out.
Residual heat is switched off automatically:
R
after approximately 30 minutes
R
when the ignition is switched on
R
if the battery voltage drops
R
if the coolant temperature is too low
R
when the auxiliary heating is switched on
Auxiliary heating
Important safety notes
G
DANGER
If the exhaust pipe is blocked or sufficient
ventilation is not possible, toxic exhaust
fumes can enter the vehicle, especially car-
bon monoxide. This is the case, e.g. in
enclosed spaces, or if the vehicle is stuck in
snow. There is a risk of fatal injuries.
You should switch off the auxiliary heating in
enclosed spaces which do not have an extrac-
tion system, e.g. a garage. If the vehicle is
stuck in snow and you must leave the auxiliary
heating running, keep the exhaust pipe and
the area around the vehicle clear of snow. To
guarantee a sufficient supply of fresh air, open
a window on the side of the vehicle away from
the wind.
G
WARNING
When the auxiliary heating is switched on,
parts of the vehicle can become very hot.
Operating the climate control system
89
Climate
control
Z
