MERCEDES-BENZ C-CLASS SALOON 2022 Owners Manual

Switching climate control
on/oM via t he rear oper-
ating unit Switching on

Press button 4.
or 
Set the airOo
w to level 1 or higher using but-
tons 3 and 5.
or 
Press buttons 2, 6, 8 or C.
Switching oM 
Press button 4.
or 
Set the airOo
w to level 0 using buttons 3 and
5.
% If rear climate control is switched oM via but-
t
on 4, OFF will be shown on the rear display. Switching the A/C function
on/oM using t
he air
conditioning control panel The A/C function heats, cools and
dehumidiNes
t
he vehicle's interior air. 
Press the Z butt
on.
Switch oM t
he A/C function only brieOy; other-
wise, the windows may mist up more quickly.
Condensation may drip from the underside of the
vehicle when cooling mode is active. This is not
indicative of a fault. Calling up the air conditioning menu via the cli-
mat
e bar or the air conditioning control panel The air conditioning menu can be called up via the
climat

e bar. The climate bar is always shown on
the lower edge of the central display. 
Select the Climate menu entr
y in the climate
bar.
The First row of seats menu is opened.
Jumping directly to the $LrquDlLt\ menu 
Select the G Nne par
ticle status display.
The Air quality menu is opened. An animation
of the automatic air cleaning taking place is
shown.
% The Nne par
ticle status display is on the home
screen next to the temperature display on the right and it informs you of the current particu-
lat

e levels inside and outside of the vehicle.
The measurement values are shown with the
ug/m 3
units (microgrammes per cubic
metre).
The Nne par
ticle value measured in the vehicle
interior can be inOuenced by the incoming air in
heating mode, especially at a high blower setting.
This can lead to an unrepresentative display of the
Nne particle value. Defrosting the windscreen via the climate bar
Switching on

Press d on t
he climate bar on the central
display.
Switching oM 
Press d, X or O on t
he climate bar
on the central display
or 
set the airOo
w to 0. 158
Climate control

%
When the defrost function is activated, some
functions (e.g. t
he temperature setting) will
automatically be deactivated. Activating/deactivating the A/C function via the
air conditioning menu Multimedia system:
4 Climate menu 5
First row of seats
Depending on t

he external conditions, improved
cooling and dehumidiNcation of the interior air are
supported when the A/C function is activated. If
it is not possible to operate the A/C function on
the climate bar on the central display, switch the
function on or oM in the climate menu of the cen-
tral display. 
Select A/C (A/C). Setting climate control to automatic mode
In automatic mode, the set vehicle interior tem-
per
ature is controlled automatically and main-
tained at a constant level by the air supply. 
Press AUTO on t
he climate bar on the central
display.
% You can increase or reduce the airOo
w by
pressing K on the climate bar on the mul-
timedia system. 
To switch to manual operation: switc
h oM
automatic mode or adjust an aspect of air dis-
tribution, e.g. P. Setting air distribution using the air conditioning
menu Multimedia system:
4 Climate menu 
Select First row of seats or Second row of
seats. 
To set the air distribution: select a, P
or O. 
Set the airOo
w.
% When the air conditioning system is switched
on, at leas
t one zone is always active. How-
ever, several air distribution options can be
selected at the same time, for example to set the climate control for the interior and the
f

ootwells simultaneously. In doing so, the
a climate control for the windscreen can
only be selected for the Nrst seat row. When
automatic mode is active, the buttons for set-
ting the air distribution are automatically
deactivated. When the air conditioning system
is switched oM, the buttons remain operable
and the last setting is saved. Setting rear climate control using the air condi-
tioning menu Multimedia system:
4 Climate menu
Se

tting the temperature 
Select Second row of seats. 
Set the temperature.
Setting the airOo
w 
Select Second row of seats. 
Set the air Oo
w with s or r. Climate control
159

Controlling the rear climate control automatically

Select AUTO.
% When the defrost function is activated, some
functions (e.g. t
he temperature setting) are
automatically deactivated. To deactivate the
defrost function, press either d, X
or O set the air Oow to level 0
(  page 158).
Deactivating rear climate control 
Select REAR OFF. Switching the synchronisation function
on/oM via
t
he air conditioning menu Multimedia system:
4 Climate menu 5
First row of seats
The sync

hronisation function controls the climate
control centrally. The driver's settings for temper-
ature, airOow and air distribution are automatically
adopted for each climate zone. 
Select SYNC (S
YNC). Demisting the windows
Windows misted up on the inside

Press X on t
he climate bar on the central
display. 
If the windows remain misted up: press d
on t
he climate bar on the central display.
Windows misted up on the outside 
Switch on the windscreen wipers. Switching air-recirculation mode
on/oM via t
he
multimedia system Requirements:
=
The Nne par

ticulate status display is visible on
the climate bar.
Multimedia system: 4 Climate menu 5
First row of seats 
Press r on t
he upper display area of the
climate bar.
The interior air will be recirculated. Air-recirculation mode will automatically switch to
fr

esh air mode aser a while.
% If air-recirculation mode is switched on, the
windo

ws may mist up more quickly. Switch on
air-recirculation mode only brieOy. Switching air-recirculation mode
on/oM 
Press r on t
he climate bar on the central
display.
The interior air will be recirculated.
Air-recirculation mode will automatically switch to
fr
esh air mode aser a while.
% If air-recirculation mode is switched on, the
windo

ws may mist up more quickly. Switch on
air-recirculation mode only brieOy. Switching residual heat mode
on/oM via t
he cli-
mate bar Requirements:
= The r

esidual heat function is available.
= The vehicle is parked.
= The coolant temperature is suPciently high.160
Climate control

It is possible to make use of the residual heat
fr
om the engine to continue heating or ventilating
the front compartment of the vehicle for approx-
imately 30 minutes, depending on the tempera-
ture set. 
To switch on or oM: select Residual heat on
t
he climate bar of the central display.
The residual heat function will automatically
switc
h oM aser some time.
% If residual engine heat utilisation is activated,
t

he two buttons for setting the temperature
and air distribution will automatically be deac-
tivated. Activating/deactivating ionisation
Multimedia system:
4 Climate menu 5
Air quality
Onl

y vehicles with THERMATIC (2-zone) or
THERMOTRONIC air conditioning control panel
have this function. Ionisation improves the quality of the vehicle's
int
erior air. Ionisation of the interior air is odour-
less. 
Select Ionisation.
% The function can only be performed if the
A

UTO mode is activated or the air distribution
is set to the side air vent. The function is
restricted if the side air vents on the driver's
side are closed. Fragrance system
Activating/deactivating the fragrance system
using t

he multimedia system
Requirements: = Automatic climate control is activated.
= The glove compartment is closed.
= A Oacon is inserted.
Multimedia system: 4 Climate menu 5
Air quality
The fragrance system distributes a pleasant fra-
grance throughout the vehicle interior from a Oa-
con located in the glove box. 
Navigate down until the climate control bar is
activ

e. 
Select Air freshener. 
Activate or deactivate fragrancing.
Setting the fragrance system
R
equirements:
= The THERMATIC (2-zone) or THERMOTRONIC
air conditioning control panel is available.
= The climate control system is switched on.
= The glove compartment is closed.
= A Oacon is inserted.
Multimedia system: 4 Climate menu 5
Air quality 
Select Air freshener. 
Keep pressing until the desired intensity is
r

eached. Climate control
161

Inserting or removing the
Oacon of t he fragrance
system &
WARNING Risk of injur
y from liquid per-
fume
If children open the Oacon, t
hey could drink
the liquid perfume or it could come into con-
tact with their eyes. 
Do not leave children unattended in the
v

ehicle. 
Consult a doctor immediately if liquid
per

fume has been drunk. 
If liquid perfume comes into contact with
y

our eyes or skin, rinse your eyes with
clean water. 
If symptoms continue, consult a doctor. +
ENVIRONMENTAL NOTE
En
vironmental
damage due to improper disposal of full
Oacons Full Oacons
mus
t not be disposed of
with household waste. 
Full
Oacons mus
t be taken to a
harmful substance collection point. 1
Cap
2 Flacon 
To insert: slide t
he Oacon into the holder as far
as it will go. 
To remove: aser opening t
he glove box, wait
for approximately seven seconds and pull out
the Oacon. 162
Climate control

If you do not use genuine Mercedes-Benz interior
per fumes, observe the manufacturers' safety noti-
ces on the perfume packaging.
Dispose of the genuine Mercedes-Benz interior
perfume Oacon when it is empty and do not reNll
it.
ReNllable Oacon 
Unscrew the cap of the empty Oacon.
Fill the Oacon wit
h a maximum of 15 ml. 
Screw the cap back onto the Oacon.
Always r
eNll the empty reNllable Oacon with the
same perfume. Observe the separate information
sheet with the Oacon. Information on the windscreen heater
&
WARNING Risk of bur
ns from touching the
windscreen when the windscreen heater
is switched on
The windscreen can become very hot when
t
he windscreen heater is switched on. The health of persons with limited temperature
sensitivity or a limit
ed ability to react to high
temperatures may be aMected or they may
even suMer burn-like injuries. 
Do not touch the windscreen while the
windscr
een heater is switched on. 
Allow the windscreen to cool down
bef

ore touching it. The windscreen heater will be enabled automati-
call

y if d is activated on the climate bar on the
central display.
Aser the vehicle is started, the windscreen heater
will be switched on automatically as required. Pre-entry climate control when the vehicle is
unloc
ked Function of pre-entry climate control when the
v
ehicle is unlocked
The seats can be brieOy pre-warmed or pre-
cooled before you get into the vehicle. Depending on the vehicle's equipment, the follow-
ing functions will be activ
ated as needed during
pre-cooling:
= Automatic climate control
= Blower
= Seat ventilation
Depending on the vehicle's equipment, the follow-
ing functions will be activated as needed during
pre-warming:
= Automatic climate control
= Blower
= Seat heating
= Steering wheel heater
= Mirror heater
= Rear window heater
Depending on the vehicle's equipment, the follow-
ing functions will also be adjusted during pre-
entry climate control if they have already been
switched on during regular vehicle operation:
= Fragrancing
= Ionisation Climate control
163

Setting pre-entry climate control when the vehicle
is unloc ked in the multimedia system
Multimedia system:
4 Climate menu 5
Pre-entry climate ctrl 
Activate or deactivate the function.
Selecting seats 
Select Driver, Passenger, Rear left or Rear
right.
The seat-speciNc functions of pr

e-entry cli-
mate control, such as seat heating, will be per-
formed for the selected seats.
If pre-entry climate control is enabled, an LED on
t
he climate bar of the central display will light up
blue for a cooled vehicle and red for a heated
vehicle.
Activating/deactivating pre-entry climate control
when the vehicle is unlocked
Requirements: = The high-voltage battery is charged suP-
ciently.
= The function has been activated via the multi-
media system. 
To switch on: unloc
k the vehicle.
The climate control functions are activated for
up to Nve minutes for pre-heating and pre-
cooling.
Pre-entry climate control when the vehicle is
unloc
ked cannot be activated more than twice
when the vehicle is switched oM. 
To switch oM: pr
ess ; on the climate bar
on the central display.
Depending on the vehicle equipment, the follow-
ing functions will r
emain active once the vehicle
has been started:
= Seat heating
= Seat ventilation
= Fragrancing
= Ionisation Pre-entry climate control for departure time
Pre-entry climate control for departure time func-
tion
&
WARNING Risk of f
atal injury due to expo-
sure to extreme heat or cold in the vehicle
If persons, particularly children, are subjected
t
o prolonged exposure to intense heat or cold,
there is a risk of severe injury or even death. 
Never leave persons, particularly chil-
dr
en, unattended in the vehicle. &
WARNING Risk of bur
ns due to repeatedly
switching on the seat heating
Repeatedly switching on the seat heating can
cause t
he seat cushion and seat backrest pad-
ding to become very hot.
In particular, the health of persons with limited
temperature sensitivity or a limited ability to
react to high temperatures may be aMected or
they may even suMer burn-like injuries. 
Do not repeatedly switch on the seat
heating. 164
Climate control

To protect against overheating, the seat heating
ma
y be temporarily deactivated aser it has been
switched on repeatedly.
% This function is available only for vehicles with
48 V on-boar
d electrical systems.
The air inside the vehicle can be heated, ventila-
t
ed or cooled to the set temperature when the
vehicle is parked.
When the vehicle is connected to power supply
equipment, priority will be given to charging the
48 V battery to a speciNed minimum charge.
When the vehicle is connected to power supply
equipment, priority will be given to charging the
high-voltage battery to a speciNed minimum
charge.
The running time of pre-entry climate control may
be reduced in the following circumstances:
= The vehicle is not connected to power supply
equipment.
= The 48 V battery is not fully charged. The running time of pre-entry climate control may
be r
educed in the following circumstances:
= The vehicle is not connected to power supply
equipment.
= The high-voltage battery is not fully charged.
With active pre-entry climate control, the charge
level of the 48 V battery may be reduced, even if
the charging cable connector is connected.
With active pre-entry climate control, the charge
level of the 48 V battery may be reduced, even if
the charging cable connector is connected.
If present, seat ventilation will be activated in
cooling and ventilation modes.
Depending on the vehicle's equipment, the follow-
ing functions will be activated in heating mode, if
available:
= Seat heating
= Steering wheel heater
= Mirror heater
= Rear window heater
= Windscreen heater When the set temperature changes, climate con-
tr
ol mode will switch automatically as follows:
= from heating mode to ventilation or cooling
mode, or
= from cooling mode to ventilation or heating
mode, or
= from ventilation mode to heating or cooling
mode
Setting pre-entry climate control for departure
time via the multimedia system
Multimedia system:
4 Climate menu 5
Pre-entry climate ctrl
Setting the departure time
% The set departure times are used for the vehi-
cle's pr
e-entry climate control and for predic-
tions regarding the approximate state of
charge and range at the time selected. Addi-
tional information on the charging settings:
(  page 338). 
Select Edit departure time

Setting the repeat days

Select Edit departure time

The colours of the indicator lamp have the follow-
ing meanings:
= Blue: cooling is activ
ated.
= Red: heating is activated.
= Yellow: the departure time has been preselec-
ted. 
Set the desired temperature using the