air conditioning MERCEDES-BENZ C-CLASS CABRIOLET 2021 Owners Manual

Overview of climate control sy
stems Note
s on climate control An interior air
filter in combination with the pre‐
fi lter in the engine compartment must alw ays be
used so that the air conditioning sy stem, pollu‐
tion le vel monitoring and the air filtration work
cor rectl y.Use filters recommended and
appr ovedby Mercedes-Benz. Alw ays ha vemain‐
te nance workcar ried out at a qualified specialist
wo rkshop. Overview of
the air conditioning control
panel The indicator lamps on
the buttons indicate that
th e cor responding function is activated. THERMATIC air conditioning contro
l panel
without stationary heater
1 w Setsthete mp erature on the driver's
side
2 _ Setsthe air distribution
3 H Setsthe air flow or switches off climate
control
4 Ã Sets climate control toautomatic
(/ page 134)
5 ¬ Demists the windscreen
6 A Calls up the air conditioning menu
7 ¤ Switches there ar wind owheater
on/off 8
0 Switches synchronisation on/off
(/ page 134)
9 g Switches air- recirculation mode on/off
(/ page 134)
A ¿ Switches the A/C function on/off
(/ page 134)
B w Setsthete mp erature on the front
passenger side Operating
the clima tecont rol sy stem Switching clima
tecont rol on/off #
Toswitch on: setthe air flow toleve l 1 or
higher using theH button. #
Toswitch off: setthe air flow toleve l 0 using
th eH button.
If climate control is switched off, the windo ws
may mist up more quickl y.Switch climate con‐
trol off only brie fly. Climate cont
rol13 3

Switching
the A/C function on/off using the
air conditioning control panel The A/C function heats, cools and dehumidi
fies
th eve hicle's interior air. #
Press the¿ button.
Switch off the A/C function only brief ly;ot her‐
wise, the windo wsmay mist up more quickl y.
Condensation may drip from the underside of
th eve hicle when cooling mode is active. This is
not indicative of a fault. Setting climate cont
rolto automatic mode In auto
matic mode, the set temp erature is con‐
trolled and maintained at a const ant levelby the
air suppl y. #
Press the à button. #
Toswitch tomanual mode: pressthe H
or _ button. Ac
tivating/deactivating the climate control
syn chro nisation function via the air condi‐
tioning control panel Climate control can be set centrally using
the
synchronisation function. The temp erature and
air distribution settings forth e driver's side will
be adop ted automatically forth e front passenger
side. #
Press the0 button.
The synchronisation function will be deactivated
if th e settings for one of theot her climate con‐
trol zones are changed. Demisting
the windo ws Wi
ndo wsmis ted up on the inside #
Press theà button. #
Ifth e windo wscontinue tomist up: press the
¬ button.
Wi ndo wsmis ted up on the outside #
Switch on the windscreen wipers. #
Press theà button. Switching air-recirculation mode on/off
#
Press theg button.
The interior air will be recirculated.
Air-reci rculation mode automatically swit ches to
fresh air mode af ter some time.
% If air-recirculation mode is switched on, the
windo wsmay mist up more quickl y.Switch
on ai r-re circulation mode only brie fly. Ac
tivating/deactivating ionisation Multimedia sy
stem:
4 Vehicle 5
b Climate control
5 Ionisation
Ionisation cleans and refreshes the interior air of
th eve hicle. Ionisation of the interior air is odour‐
less. #
Activate Oor deacti vate ª the function. 134
Climate cont rol

Ad
justing treble, mid-range and bass
setting s................................................. 353
Calling up the sound menu.................... 353
Information............................................ 353
Switching volume adjustment on/of f.... 353
Af ter-sales service centre
see ASS YST PLUS
Air distribution Setting................................................... 13 3
Air inlet see Air-water duct
Air pressu re
see Tyre pressure
Air suspension see AIRMATIC
Air vents
Ad justing (front).................................... 13 5
Ad justing (rear)..................................... .135
Ad justing the AIRSCARF vents............... 13 6
Air vents
see Air vents
Ai r-conditioning sy stem
see Climate control Air-recirculation mode..............................
13 4
Air-water duct Keeping free.......................................... 362
Airbag Activation................................................ 38
Fr ont airbag (driver, front passenger)...... 44
Head airba g............................................. 44
Ins tallation locations.............................. .44
Knee airbag............................................ .44
Overview................................................. 44
PA SSENGER AIR BAG indicator lamp....... 49
Pr otection................................................ 45
Re duced pr otection.................................46
Side airba g.............................................. 44
AIR CAP
Ac tivating................................................ 84
Deactivating............................................ 84
Airflow Setting................................................... 13 3
AIRM ATIC
Setting.................................................. .202
Suspension............................................ 201
AIRSCARF Adjusting the outlets............................. 13 6Switching on/of
f................................... 105
Alarm sy stem
see ATA (anti-theft alarm sy stem)
All-wheel drive see 4MATIC
Alternative route
see Route
Ambient lighting Setting (MBUX multimedia sy stem)....... 127
Android Auto
Connecting a mobile phone (wireless).. .312
Ending.................................................... 312
Information............................................ 312
Overview................................................3 11
Sound settings....................................... 312
Tr ans ferred vehicle data........................3 13
Animals Pets in theve hicle................................... 71
Anti-lock braking sy stem
see ABS (Anti-lock Braking Sy stem)
Anti-skid chains
see Snow chains 502
Index