Mercedes-Benz GLS 2020 Operator's Manual page 150

148 Climate control
Select First Row of Seats or Second Row of
#
Seats.
To set the air distribution: select ¯,
#
P or O.
Set the airflow.
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% Several air distribution options can be selec‐
ted at the same time, for example to set the
temperature/air conditioning for the wind‐
shield and the footwells simultaneously.
The ¯ climate control for the windshield
can only be selected for the first seat row.
Activating/deactivating the climate control
synchronization function via the control
panel
Climate control can be set centrally using the
synchronization function. The temperature and
air distribution settings for the driver's side are
adopted automatically for the front passenger
side.
Press the 0 button.
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The synchronization function is deactivated if the
settings for one of the other climate zones are
changed.
Activating/deactivating the climate control
synchronization function using the multime‐
dia system
Climate control can be set centrally using the
synchronization function. The driver's settings
for temperature, air quantity and air distribution
are adopted automatically for all climate zones.
Call up the air conditioning menu
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( page 146).
/
Select First Row of Seats.
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Select SYNC.
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Depending on the previous status, the func‐
tion is activated or deactivated.
Removing condensation from the windows
Windows fogged up on the inside
Press the ¿ or à button.
#
If the windows continue to fog up: press the
#
¬ button.
Windows fogged up on the outside
Switch on the windshield wipers.
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Press the à button.
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Switching air-recirculation mode on/off
Press the g button.
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The interior air will be recirculated.
Air-recirculation mode automatically switches to
fresh air mode after some time.
% If air-recirculation mode is switched on, the
windows may fog up more quickly. Switch on
air-recirculation mode only briefly.
Switching the residual heat on or off
Requirements:
The vehicle is parked.
R
It is possible to make use of the residual heat
from the engine to continue heating or ventilat‐