Mercedes-Benz C-Class Saloon 2022 Owner's Manual page 170

Air vents
▌Adjusting the front air vents
& WARNING Risk of burns or 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
#
always maintain a sufficient distance
from the air vents.
If necessary, direct the airflow to another
#
area of the vehicle interior.
To guarantee the flow of fresh air through the air
vents into the vehicle interior, note the following:
Always keep the vents and ventilation grilles in
R
the vehicle interior clear.
Keep the air inlet free of residue build-up
R
( page 388).
/
To open or close: hold the centre of air
#
vent 1 and turn it to the left (open) or right
(closed) as far as it will go.
To set the airflow direction: hold the centre of
#
air vent 1 and move it up or down or to the
left or right.
Climate control 167
▌Adjusting the rear air vents
To open or close: turn controller
#
or right as far as it will go.
To set the airflow direction: hold the centre of
#
controller 1 and move it up or down or to the
left or right.
1
to the left