2019-2024 Mercedes G Class SUV Climate control User Manual
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Climate control for Your Mercedes G Class SUV Fourth Generation (2019-2024)

Overview of climate control systems
Notes on climate control
An interior air lter in combination with the prel-
ter in the engine compartment must always be
used so that the air conditioning system, pollution
level monitoring and the air ltration work cor-
rectly. Use lters recommended and approved by
Mercedes-Benz. Always have maintenance work
carried out at a qualied specialist workshop.
THERMOTRONIC control panel overview
The indicator lamps on the buttons indicate that
the corresponding functions are activated.
1
w Sets the temperature on the driver's
side
2
_ Sets the air distribution on the driver's
side
3
H Sets the airow or switches o climate
control
4
à Sets climate control to automatic mode
(/ page 121)
5
¬ Defrosts the windshield
6
! Calls up the air conditioning menu
Switches residual heat on/o (/ page 122)
7
¤ Switches the rear window defroster
on/o
8
¿ Switches the A/C function on/o
(/ page 121)
9
g Switches air-recirculation mode on/o
(/ page 122)
A
_ Sets the air distribution on the front
passenger side
B
w Sets the temperature on the front
passenger side
Rear operating unit
1
Sets the temperature
2
Display
3
Sets the airow
120
Climate control
%
Aer four hours of non-operational time (igni-
tion o), the specied climate values for tem-
perature setting and manual blower in the
rear passenger compartment will be
synchronized with the driver's climate zone.
Operating the climate control system
Switching climate control on/o
#
To switch on: set the airow to level 1 or
higher using the H button.
#
To switch o: set the airow to level 0 using
the H button.
If climate control is switched o, the windows
may fog up more quickly. Switch climate control
o only briey.
Switching the A/C function on and o via the
control panel
The A/C function heats, cools and dehumidies
the vehicle's interior air.
#
Press button ¿.
Switch o the A/C function only briey. Other-
wise, the windows could 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.
The compressor function will be deactivated in
the following cases:
R
when you are driving on a gradient of more
than 35%
R
when you are driving at an angle across an
incline of more than 35%
Activating/deactivating the A/C function via the
multimedia system
Multimedia system:
4
Vehicle
5
b
Climate Control
5
A/C
The A/C function heats, cools and dehumidies
the vehicle's interior air.
#
Activate O or deactivate ª the function.
Setting climate control to automatic mode
In automatic mode, the set temperature is con-
trolled and maintained at a constant level by the
air supply.
#
Press button à .
#
To switch to manual mode: press the H or
_ button.
Climate style
▌Climate style function
The following climate styles are available in auto-
matic mode:
R
FOCUS: high airow, slightly cooler setting
R
MEDIUM: medium airow, standard setting
R
DIFFUSE: low airow, slightly warmer and
dra-free setting
Climate control
121
▌Adjusting the climate mode settings
Multimedia system:
4
Vehicle
5
b
Climate Control
5
Climate Mode
#
Select Driver and/or Passenger.
#
Select FOCUS, MEDIUM or DIFFUSE.
%
To feel the eect of the climate style, the
à function must be active (/ page 121).
Activating/deactivating the climate control syn-
chronization function via the multimedia system
Multimedia system:
4
Vehicle
5
b
Climate Control
5
SYNC
Climate control can be set centrally using the syn-
chronization function. The temperature setting will
automatically be adopted for all climate zones.
#
Activate O or deactivate ª the function.
Defrosting the windows
Windows fogged up on the inside
#
Press the à button.
#
If the windows remain fogged up: press
the ¬ button.
Windows fogged up on the outside
#
Switch on the windshield wipers.
#
Press the à button.
Switching air-recirculation mode on/o
#
Press the g button.
The interior air will be recirculated.
Air-recirculation mode automatically switches to
fresh air mode aer a while.
%
If air-recirculation mode is switched on, the
windows may fog up more quickly. Switch on
air-recirculation mode only briey.
Switching the residual heat on or o
Requirements:
R
The vehicle is parked.
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.
#
To switch on: press the ! button.
Residual heat is switched o automatically.
Activating/deactivating ionization
Multimedia system:
4
Vehicle
5
b
Climate Control
5
Ionization
Ionization cleans and refreshes the interior air of
the vehicle. Ionization of the interior air is odor-
less.
#
Activate O or deactivate ª the function.
122
Climate control
Information on the windshield heater
The windshield heater is switched on automati-
cally if the ¬ button is activated.
Aer the vehicle is started, the windshield heater
will be switched on automatically as required.
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 ow from the air
vents.
#
Make sure that all vehicle occupants
always maintain a sucient distance
from the air vents.
#
If necessary, direct the airow to another
area of the vehicle interior.
To guarantee the ow of fresh air through the air
vents into the vehicle interior, note the following:
R
Always keep the vents and ventilation grilles in
the vehicle interior clear.
R
Keep the air inlet free of residue build-up
(/ page 323).
#
To open or close: hold the center of air
vent 1 and turn it to the le or right as far as
it will go.
#
To set the airow direction: hold the center of
air vent 1 and move it up or down or to the
le or right.
▌Adjusting the rear air vents
#
To open or close: hold the center of air
vent 1 and turn it to the le or right as far as
it will go.
#
To set the airow direction: hold the center of
air vent 1 and move it up or down or to the
le or right.
Climate control
123

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