Mercedes-Benz A-Class 2021 Operator's Manual page 125

Call up the air conditioning menu
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( page 122).
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Select First Row of Seats.
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Select SYNC.
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Removing condensation from the windows
Windows fogged up on the inside
Press the à button.
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If the windows continue to fog up: press the
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¬ 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/off (Canada)
Requirements:
The vehicle is parked.
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% Only vehicles with a diesel engine can use
residual heat.
It is possible to make use of the residual heat
from the engine to continue heating or ventilat‐
ing the front compartment of the vehicle for
approximately 30 minutes, depending on the
temperature set.
To activate: press the Á button.
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Residual heat will be switched off automatically.
Climate control 123
Air vents
Adjusting the front air vents
& WARNING Risk of burns and frostbite
due to being too close to the air vents
Very hot or very cold air can flow from the air
vents.
Make sure that all vehicle occupants
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always maintain a sufficient distance
from the air vents.
If necessary, direct the airflow to
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another area of the vehicle interior.
To guarantee the flow of fresh air through the air
vents into the vehicle interior, comply with the
following:
Always keep the vents and vent grilles in the
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vehicle interior free.
Keep the air inlet free of residue build-up
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( page 256).
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