air conditioning MERCEDES-BENZ GLS SUV 2020 Owners Manual

Control panel in
thegr ab handle 1
p Rear reading lamp #
Toswitch on/off: press button1. Ad
justing the ambient lighting Multimedia sy
stem:
4 © 5
Settings 5
Lights
5 Ambient lighting
Setting the colour #
Select Colour. #
Set the desired colour. Ad
justing the brightness #
Select Brightness .
Ad just the brightness.
Ac tivating the brightness for zones #
Select Brightness . #
Select Brightness zones .
The EMPHASIS ,AMBIENT andROOF zones
can be set separately.
Ac tivating multi-coloured lighting #
Select Colour. #
Select Multi-colour. #
Select a colour combination.
Ac tivating multi-coloured animation #
Select Colour. #
Select Multi-colour animat..
The chosen colour combination will change
at predefined inter vals.
Ac tivating welcome lighting #
Select Colour. #
Select Welcome.
When theve hicle is unloc ked, a special ambi‐
ent lighting sequence will run.
Ac tivating dependency on air conditioning
settings #
Select Colour. #
Select Climate.
If ch anges are made tothete mp erature set‐
ting in theve hicle, the colour of the ambient
lighting will change brief ly. Switching
the interior lighting switch-off
delay time on/off Multimedia sy
stem:
4 © 5
Settings 5
Lights
5 Int. light. del. sw. off #
Switch the switch-off delay time on or off.
When this function is active, the interior light‐
ing lights up for a short time af terth eve hicle
is loc ked. 16 4
Light and sight

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.Make sure that thefilter is ins talled
cor rectly and thefilter housing in the engine
compartment is closed cor rectly using the cap
and alw ays tightly sealed when in operation. Use
fi lters recommended and appr ovedby
Mercedes-Benz. Alw ays ha veservice workcar‐
ri ed out at a qualified specialist workshop. 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 withsta‐
tionary heater (e xamp le)
1 w Setsthete mp erature on the driver's
side
2 A Calls up / exits the air conditioning
menu
Pressing and holding (appr ox.fo ur seconds):
re sets climate contro lto the basic settings
3 H Setsthe air flow or switches off climate
control
4 Ã Sets climate control toautomatic
mode (/ page176)
5 ¬ Demists the windscreen 6
¤ Switches there ar wind owheater
on/off
7 g Switches air-recirculation mode on/off
(/ page 177)
8 Á Switches the A/C function on/off
(/ page 175)
Switches residual heat on/off (/ page177)
9 Vehicles with THERMATIC or
THERMOTRONIC contro l panel withoutsta‐
tionary heater: 0switches synchronisa‐
tion on/off (/ page177)
Ve hicles with THERMATIC or
THERMOTRONIC contro l panel withstation‐
ary heater: &switches stationary heater
on/off (/ page180)
A w Setsthete mp erature on the front
passenger side 174
Climate cont rol

Overview of
there ar operating unit 1
Sets thete mp erature, left
2 Sets the air distribution, left
3 Sets climate control toautomatic mode
(/ page 176)
4 Setting the air flow
5 Switches climate control on/off
(/ page 175)
Switches there sidual heat on/off
(/ page 178)
6 Sets the air distribution, right
7 Sets thete mp erature, right The settings
forth e second and third row of
seats (equipment-dependent) can be made via
th ere ar operating unit, the multimedia sy stem
(/ page 176) or the MBUX rear tablet depend‐
ing on theve hicle's equipment. 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. Switching
the clima tecont rol in there ar
on/off #
Press button 5.
% When clima tecontrol in the second seat row
is switched off, the indicator lamp is activa‐
te d and OFFis shown on there ar displa y. 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 theÁ 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. Calling up
the air conditioning menu Calling up
the air conditioning menu using
th e multimedia sy stem #
Select one of thete mp erature displa ysatthe
lo we r edge of the media displa y.
Calling up the air-conditioning menu using
th e but ton on the clima tecont rol panel #
Press theA button on the climate control
panel. Climate control
175

Ac
tivating/deactivating the A/C function via
the multimedia sy stem The A/C function heats, cools and dehumidifies
th eve hicle's interior air. #
Call up the air-conditioning menu
(/ page 175). #
Select First row of seats .#
Select A/C. Setting climate control
toautomatic mode In auto
matic mode, the set temp erature is con‐
trolled and maintained at a const ant levelby the
air suppl y. #
Press theà button. #
Toswitch tomanual mode: pressthe Ã
button.
In automatic mode, you can choose between five
dif fere nt air quantities using theH button.
Au tomatic mode is retained. Au
tomatically controlling the climate control
in the rear In auto
matic mode, the set temp erature is regu‐
lated bythete mp erature of the dispensed air
and the air flow. #
Press theà button (/ page175). Setting
the air distribution #
Call up the air conditioning menu
(/ page 175). #
Select a rowof seats. #
Toset the air distribution: select¯,
P orO. #
Set the air flow.
% Several air distribution options can be selec‐
te d at the same time, forex ample toset the
climate control forth e windscreen and the
fo ot we lls simultaneousl y.
The ¯ climate contro lfo rth e windscreen
can only be selected forth efirs t seat row. Setting climate control
for the rear
passenger comp artment (multimedia sys‐
te m) Setting the
temperature #
Call up the air conditioning menu
(/ page 175). #
Select Second row of seats orThird row of
seats. #
For Maybach vehicles: select Second row of
seats.
% Maybach vehicles are fitted wi thone and
two rows of seats. #
Set thete mp erature.
Setting the airflow #
Call up the air conditioning menu
(/ page 175). #
Select Second row of seats orThird row of
seats. #
For Maybach vehicles: select Second row of
seats. 176
Climate cont rol

%
Maybach vehicles are fitted wi thone and
two rows of seats. #
Set the air flow.
Controlling there ar climate control automat‐
ical ly #
Select REAR AUTO .
Re ar climate control is controlled automati‐
call y.
Deactivating rear climate control #
Select REAR OFF.
Re ar climate control is deactivated. 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 setting forth e driver's side will be
adop ted automatically for all clima tecontrol
zones. #
Press the0 button. The synchronisation function will be deactivated
if th e settings for one of theot her climate zones
are changed. Ac
tivating/deactivating the climate control
syn chro nisation function via the multimedia
sy stem Climate control can be set centrally using
the
synchronisation function. The driver's settings
fo rte mp erature, air quantity and air distribution
are adop ted automatically for all clima tezones. #
Call up the air conditioning menu
(/ page 175). #
Select First row of seats . #
Select SYNC. 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. Switches
there sidual heat on/off Re
quirements:
R theve hicle is par ked.
It is possible tomake use of there sidual heat
from the engine tocontinue heating or ventilat‐
ing the front compartment of theve hicle for
appr oximately 30 minutes, depending on the
te mp erature set. Climate control
17 7

#
Toactivate: press button Á.
Re sidual heat will be switched off automaticall y.Switching
there sidual heat in there ar
on/off Re
quirements:
R The vehicle is par ked.
When there sidual heat of the engine is activated
in there ar compartment, you can heat or venti‐
la te there ar compartment for appro ximately
30 minutes. #
Press button 5(/ page 175). Ac
tivating/deactivating ionisation Ionisation impr
oves thequ ality of theve hicle's
interior air. Ionisation of the interior air is odour‐
less. #
Call up the air conditioning menu
(/ page 175). #
Select Air quality. #
Select IONISATION . Fr
ag rance sy stem Setting
the frag rance sy stem
Re quirements:
R Automatic clima tecontrol is acti vated.
R The glove box is closed.
The fragrance sy stem distributes a pleasant fra‐
grance thro ughout theve hicle interior from a fla‐
con located in theglov e box. #
Call up the climate control menu
(/ page 175). #
Select Air quality. #
Select AIR FRESHENER . #
Keep pressing until the desired intensity is
re ached. Inserting or
removing the flacon ofthe fra‐
gr ance sy stem &
WARNING Risk of inju ryfrom liquid per‐
fume
If ch ildren open theflacon, they could drink
th e liquid perfume or it could come into con‐
ta ct wi th theireyes. #
Do not lea vechildren unat tended in the
ve hicle. #
Consult a doctor immediately if liquid
perfume has been drunk. #
If liquid perfume comes into contact
with your eyes or skin, rinse your eyes
with clean water. #
If sym ptoms continue, consult a doctor. 17 8
Climate cont rol

Indicator lamp colours:
R Blue: stationary ventilation is switched on.
R Red:thest ationary heater is swit ched on.
R Yello w: the departure time has been prese‐
lected.
The stationary heater/ ventilation will switch off
au tomatically af ter 50 minutes.
Operation using the app: thest ationary
heater/ ventilation can also be operated via the
Mercedes me connect app. You can find fur ther
information in the separate Owner's Manual at
https://moba.i.daimler.com/mar kets/ece-r ow/
baix/cars/connectme/en_GB/#emotions/
St artseite.html.
Setting thest ationary heater/stationary ven‐
tilation via the multimedia sy stem #
Call up the air conditioning menu
(/ page 175). #
Select Auxiliary heating.
Selecting the departure time #
Select the time TIME A: XX, TIME B: XXor
TIME C: XX. Setting
the departu retime #
Select the time TIME A: XX, TIME B: XXor
TIME C: XX. #
Select the pen beside the time. #
Set a time.
Setting thest ationary heater/ventilation via
re mo tecont rol
Re quirements:
R The fuel tank is su fficiently full. Switching on immedia
tely #
Press and hold theu button.
Setting the departu retime #
Brie fly press theu button. #
Press the, or. button repeatedly
until the time tobe changed appears on the
displa y. Climate cont
rol181

Home screen
overview 1
Depending on the displa y,calls up thefirst
th re e applications or the home screen
2 Calls up the profile
3 Calls up theglobal sear ch
4 SOS NOT READY (only when the Mercedes-
Benz emer gency call sy stem is not available)
5 Mercedes me connect active 6
Transmission of vehicle position active
7 Signal stre ngth of the mobile phone networ k,
network displ ay, battery status of the mobile
phone connected, time
8 Calls up the Notifications Centre
9 Calls up an application using the symbol
A Application and cur rent information B
Quick-access, e.g. enter home address
C Index points and selected displ ayarea
D Calls up the air conditioning menu
E Calls up SUGGESTIONS, THEMESand
FAVOURITES 312
MBUX multimedia sy stem

R
theke y is at a minimum dis tance of 3 m
aw ay from theve hicle. Otherwise theta ilgate
could open unin tentional ly.
R for car washes with a con veyo r sy stem: neu‐
tral iis engaged.
% Toprev ent damage tothe tyres and wheels,
drive stra ight and in tothe cent reofthe
guide rails of the car wash.
% In car washes with a con veyo r sy stem: if you
lea vetheve hicle while it is being washed,
make sure theke y is located in theve hicle.
The park position jisotherwise automati‐
cally engaged.
% If, af terth e car wash, youre mo vethewax
from the windscreen and wiper rubbers, this
will pr event smearing and reduce wiper
noise.
Au tomatic car wash mode
In car wash mode, theve hicle is prepared for
driving into the automatic car wash. Car wash
mode can be activated at a speed of up to
20 km/h( /page 366). The
following settings are made when car wash
mode is activated:
R the outside mir rors are folded in.
R topreve ntthe windscreen washer sy stem
from starting up automaticall y,thera in sen‐
sor is deactivated.
R there ar wind owwiper is deactivated.
R the windo wsand the sliding sunroof are
closed.
R Mercedes-Maybach vehicles: theru nning
boards are retracted.
R the air conditioning sy stem is set toair-recir‐
culation mode.
R Parking Assist PARKTRONIC is deacti vated.
R vehicles with 360° Camera: the front
image is activated af ter appro x. eight sec‐
onds.
R vehicles with AIRMATIC: theve hicle is
ra ised tothe maximum possible chassis
le ve l(/ page 265).
If rising take s longer than 25 seconds, the
fo llowing message appears on the multifunc‐
tion display: Preparation for car wash incomplete See
media display
. After some time, theve hicle
automatically continues rising.
R vehicles with E- ACTIVE BODY CONT ROL:
th eve hicle is raised tothe maximum possi‐
ble chassis le vel(/ page 273).
If rising takes longer than 25 seconds, the
fo llowing message appears on the multifunc‐
tion display:
Preparation for car wash incomplete See
media display . After some time, theve hicle
automatically continues rising.
If one of the settings cann otbe selected, this is
displa yedby a% behind there spective set‐
ting.
Ab ove a speed of 20 km/h car wash mode is
automatically deactivated.
The following settings are reset when car wash
mode is deactivated:
R the outside mir rors are folded out.
R thera in sensor is activated.
R there ar wind owwiper is activated. Maintenance and care
365

R
the air conditioning sy stem is set tofresh air
mode.
R Parking Assist PARKTRONIC is reset tothe
pr ev iously selec ted setting.
R the windo wsand the sliding sunroof remain
closed.
R Mercedes-Maybach vehicles: theru nning
boards remain retracted.
R vehicles with 360° Camera: the front
image is deactivated at speeds abo ve
18 km/h.
R vehicles with AIRMATIC: theve hicle is low‐
ered tothe pr eviously set chassis le vel.
R vehicles with E- ACTIVE BODY CONT ROL:
th eve hicle is lo weredto the pr eviously set
ch assis le vel. Ac
tivating/deactivating automatic car wash
mode Requ
irements:
R theve hicle is stationar y.
R the engine is running. Multimedia sy
stem:
4 © 5
Settings 5
Quick access
Ac tivating automatic car wash mode #
Select Car wash mode . #
Select Start.
If one of the settings cann otbe selected, this is
displa yedby a% behind there spective set‐
ting.
% For an overview of the settings made when
activating automatic car wash mode
(/ page 364).
Deactivating automatic car wash mode #
Select Stop.
The automatic car wash settings are reset.
% The automatic car wash mode is automati‐
cally deactivated as soon as a speed of
20 km/h is exceeded. Information on using a high-p
ressure cleaner &
WARNING Risk of an accident when
using high-pressure cleane rswith round-
spray nozzles
The wate r jet can cause extern ally invisible
damage.
Components damaged in this wa y may unex‐
pec tedly fail. #
Do not use a high-pressure cleaner with
round-spr aynozzles. #
Have damaged tyres or chassis parts
re placed immediatel y. To
avo id damage to yourvehicle, obser vethefo l‐
lowing when using a high-pressure cleaner:
R theke y is at a minimum dis tance of 3 m
aw ay from theve hicle. Otherwise theta ilgate
could open unin tentional ly.
R maintain a dis tance of at least 30 cm tothe
ve hicle.
R vehicles with deco rative foil: parts of your
ve hicle are co vered with a decorative foil. 366
Maintenance and care