MERCEDES-BENZ C CLASS 2023 Owners Manual

Calling upSelect the front-passenger outside mirrorusing button 2.Engage reverse gear.
The front-passenger outside mirror will move into the stored parking position.
Activating/deactivating the automatic mirror fold-
ing function
Multimedia system:
4 © 5
Settings 5
Vehicle
5 Opening/closing
Switch Automatic Mirror Folding on or oM.Area permeable to radio waves on the wind-
shield
Radio-controlled equipment such as toll systems
can be mounted only on areas 1 of the wind-
shield that are permeable to radio waves.
Areas permeable to radio waves 1 are best visi-
ble from outside the vehicle when the windshield
is illuminated with an external light source.
Note this position for vehicles with: = Windshield heater
Light and visibility139

Overview of climate control systems
Notes on climate control
An interior Nlter in combination with the preNlter
in the engine compartment must always be used so that the air conditioning system, pollution levelmonitoring and the air Nltration work correctly.
Use Nlters recommended and approved by
Mercedes-Benz. Always have maintenance work
carried out at a qualiNed specialist workshop.
Please note that your vehicle may not be equip-
ped with all functions described here.
Overview of the THERMATIC climate bar (dual-
zone)
The indicator lamps indicate that the correspond-
ing functions are activated.
1~ Increases the temperature2Upper display area of the climate bar with the
examples of O switching climate control
on/oM ( page 142) and  synchroniza-
tion function (  page 145)3d Defrosts the windshield4Z Switches the A/C function on/oM
(  page 143)5l Switches the rear window defroster
on/oM6} Reduces the temperature7Depending on vehicle equipment and set-
tings: temperature display, defrost function
display, display for pre-entry climate control
or auxiliary heating8r Switches air-recirculation mode on/oM
(  page 145)9

Overview of the THERMOTRONIC climate bar
The indicator lamps indicate that the correspond-ing functions are activated.
Front climate bar on the central display
(example)1~ Increases the temperature2Upper display area of the climate bar with the
examples of O switching oM climate con-
trol (  page 142), r switching air-recir-
culation mode on/oM ( page 145) and
 synchronization function (  page 145)3d Defrosts the windshield4Z Switches the A/C function on/oM
(  page 143)5l Switches the rear window defroster
on/oM6Depending on vehicle equipment and set-
tings: temperature display, display for the
defrost function, airOow, pre-entry climate
control or auxiliary heating7

Overview of the rear operating unitExample: USA1Sets air distribution to the center and side air
vents in the rear passenger compartment, les2Sets the temperature in the rear passenger
compartment, les3Sets the airOow in the rear passenger com-
partment, les, or switches climate control
on/oM ( page 143)4Activates/deactivates climate control
(  page 143)5Sets the airOow in the rear passenger com-
partment, right, or switches climate control on/oM ( page 143)6Sets the temperature in the rear passenger
compartment, right7Sets air distribution to the center and side air
vents in the rear passenger compartment, right8Sets rear passenger compartment climatecontrol to automatic mode, right9Sets the air distribution to the right rear
passenger compartment footwell ventsASynchronization is activated (  page 145)BSets the air distribution to the les rear
passenger compartment footwell ventsCSets rear passenger compartment climate control to automatic mode, lesThe settings for the second row of seats can be
conNgured via the rear operating unit or the multi-
media system (  page 144) depending on the
vehicle\bs equipment.
Operating the climate control system
Switching climate control on/oM
Switching on climate control
Set the airOow to level 1 or higher via

\bIf you switch oM climate control by pressing
O , fragrancing, if enabled, will also be
switched oM automatically.
Switching climate control on/oM via the rear oper-
ating unit
Switching on
Press button 4.
or
Set the airOow 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 airOow to level 0 using buttons 3 and
5 .\bIf rear climate control is switched oM via but-
ton 4, OFF will be shown on the rear
passenger compartment display.Switching the A/C function on/oM using the air
conditioning control panel
The A/C function heats, cools and dehumidiNes
the vehicle\bs interior air.
Press the Z button.
Switch oM the A/C function only brieOy; other-
wise, the windows may fog up more quickly.
Condensation may drip from the underside of the vehicle when cooling mode is active. This is not
indicative of a malfunction.
Calling up the air conditioning menu via the cli- mate bar or the air conditioning control panel
The air conditioning menu can be called up via the
climate bar. The climate bar is always shown on
the lower edge of the central display.
Select the Climate Menu entry in the climate
bar.
The First Row of Seats menu is opened.Defrosting the windshield via the climate bar
Switching on
Press d on the climate bar on the central
display.
Switching oM
Press d, X or O on the climate bar
on the central display
or
set the airOow to 0.\bWhen the defrost function is activated, some
functions (e.g. the 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 the 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
Climate control143

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-
perature is controlled automatically and main-
tained at a constant level by the air supply.
Press AUTO on the climate bar on the central
display.\bYou can increase or reduce the airOow by
pressing

Switching the synchronization function on/oM via
the air conditioning menu
Multimedia system:
4 Climate Menu 5
First Row of Seats
The synchronization function controls the climate control centrally. The driver\bs settings for temper-ature, airOow and air distribution are automatically
adopted for each climate zone.
Select SYNC (SYNC).
Defrosting the windows
Windows fogged up on the inside
Press X on the climate bar on the central
display.If the windows remain fogged up: press d
on the climate bar on the central display.
Windows fogged up on the outside
Switch on the windshield wipers.Switching air-recirculation mode on/oM via the
multimedia system
Requirements
= The THERMOTRONIC air conditioning control
panel is available.
Multimedia system: 4 Climate Menu 5
First Row of Seats
Press r on the upper display area of the
climate bar.
The interior air will be recirculated.
Air-recirculation mode will automatically switch to
fresh air mode aser a while.
\bIf air-recirculation mode is switched on, the
windows may fog up more quickly. Switch on
air-recirculation mode only brieOy.
Switching air-recirculation mode on/oM
Press r on the climate bar on the central
display.
The interior air will be recirculated.Air-recirculation mode will automatically switch to
fresh air mode aser a while.\bIf air-recirculation mode is switched on, the
windows may fog up more quickly. Switch on
air-recirculation mode only brieOy.
Switching residual heat mode on/oM via the cli-
mate bar
Requirements
= The residual heat function is available.
= The vehicle is parked.
= The coolant temperature is suPciently high.
It is possible to make use of the residual heat from 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
the climate bar of the central display.
The residual heat function will automatically
switch oM aser some time.
Climate control145

\bIf residual engine heat utilization is activated,
the two buttons for setting the temperature
and air distribution will automatically be deac-
tivated.
Activating/deactivating ionization
Multimedia system:
4 Climate Menu 5
Air Quality
Only vehicles with THERMATIC (2-zone) or THERMOTRONIC air conditioning control panelhave this function.
Ionization improves the quality of the vehicle\bs interior air. Ionization of the interior air is odor-
less.
Select Ionization .\bThe function can only be performed if the
AUTO mode is activated or the air distribution is set to the side air vent. The function isrestricted if the side air vents on the driver\bsside are closed.Fragrance system

q Activating/deactivating the fragrance system
using the 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 compartment.
Navigate down until the climate control bar is
active.Select Fragrance .Activate or deactivate fragrancing.

qSetting the fragrance system
Requirements: = The THERMATIC (2-zone) or THERMOTRONIC
air conditioning control panel is available.
= The climate control system is switched on.
= The glove box is closed.
= A Oacon is inserted.
Multimedia system: 4 Climate Menu 5
Air QualitySelect Fragrance .Keep pressing until the desired intensity is
reached.

q Inserting or removing the Oacon of the fra-
grance system
&WARNING Risk of injury from liquid per-
fume
If children open the Oacon, they could drink
the liquid perfume or it could come into con-
tact with their eyes.
Do not leave children unattended in the
vehicle.Consult a doctor immediately if liquid
perfume has been drunk.146Climate control

If liquid perfume comes into contact with
your eyes or skin, rinse your eyes with
clean water.If symptoms continue, consult a doctor.+ENVIRONMENTAL NOTE Environmental
damage due to improper disposal of full
Oacons
Full Oacons must not be disposed of
with household waste.

Full Oacons must be taken to a
harmful substance collection point.
1Cap2FlaconTo insert: slide the Oacon into the holder as far
as it will go.To remove: aser opening the glove box, wait
for approximately seven seconds and pull out
the Oacon.If you do not use genuine Mercedes-Benz interior
perfumes, observe the manufacturers\b 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 OaconUnscrew the cap of the empty Oacon.Fill the Oacon with a maximum of 0.5 O. oz.
(15 ml).Screw the cap back onto the Oacon.
Always reNll the empty reNllable Oacon with the
same perfume. Observe the separate information
sheet with the Oacon.
Information on the windshield heater
&WARNING Risk of burns from touching the
windshield when the windshield heater is switched on
The windshield can become very hot when the
windshield heater is switched on.
Climate control147

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 touch the windshield while the
windshield heater is switched on.Allow the windshield to cool down before
touching it.
The windshield heater will be enabled automati- cally if d is activated on the climate bar on the
central display.
Aser the vehicle is started, the windshield heater
will be switched on automatically as required.
Air vents

q 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 Oow from the air
vents.
Make sure that all vehicle occupants always maintain a suPcient distance
from the air vents.If necessary, direct the airOow to another
area of the vehicle interior.
To guarantee the Oow of fresh air through the air
vents into the vehicle interior, note the following:
= Always keep the vents and ventilation grilles in
the vehicle interior clear.
= Keep the air inlet free of residue build-up
(  page 309).
To open or close: hold the center of air
vent 1 and turn it to the les (open) or right
(closed) as far as it will go.To set the airOow direction: hold the center of
air vent 1 and move it up or down or to the
les or right.

qAdjusting the rear passenger compartment air
vents
To open or close: turn controller 1 to the les
or right as far as it will go.To set the airOow direction: hold the center of
controller 1 and move it up or down or to the
les or right.148Climate control