2021 MERCEDES-BENZ GLS SUV climate control

Interior lighting ............................................ 167
Wi
ndsc reen wipers and windscreen
wa sher system ............................................ 168
Mir rors ........................................................ 173
Area permeable toradio waves on the
windscreen ................................................ .176
Inf rare d-re0ective windscreen function ........ 177 Climat Climat
e contr
e contr ol
ol........................................... 178 178
Overview of climate control systems ............ 178
Operating the climate control system .......... 179 Dr
Dr
iving and par
iving and par king
king..................................... 190 190
Driving ........................................................1 90
DY NAMIC SELECT switch ........................... .205
Au tomatic transmission .............................. .209
Tr ansfer case ............................................. .213
Fu nction of the 4MATIC ...............................2 15
Re fuelling .................................................... 216
Pa rking .......................................................2 22
Driving and driving saf ety sy stems ............... 229
Tr ailer hitch ................................................ .299
Bicycle rack function ................................... 304
Ve hicle towing instructions .......................... 306 Ins
Ins
tr
trument displa
ument displa y and on-boar
y and on-boar d com-
d com-
put
put er
er........................................................... 308 308
No tes on the inst rument display and on-
board computer .......................................... 308
Overview of instrument display .................... 309
Overview of the buttons on the steering
wheel .......................................................... 310
Operating the on-board computer ................3 10
Overview of displa ysinthe inst rument
display ........................................................ 312
Head-up display .......................................... 312 MBUX multimedia syst MBUX multimedia syst
em
em........................... .315
315
Overview and operation ............................... 315
System settings .......................................... 324
Na vigation .................................................. .328
Te lephone ................................................... 337
Mercedes me app ....................................... 340
Mercedes-Benz emer gency call system ....... 349
Ra dio, media & TV....................................... 356
Sound settings ............................................ 362 Maint Maint
enance and car
enance and car e
e................................. 364 364
ASS YST PLUS service inter val display .......... 364 Engine compartment ................................... 365
Cleaning and care ....................................... 371 Br Br
eakdo
eakdo wn assist
wn assist ance
ance................................. 380 380
Emer gency .................................................. 380
Flat tyre ...................................................... 382
Battery (vehicle) .......................................... 387
To w- starting or towing away ........................ 393
Electrical fuses ............................................ 397 Wheels and tyr Wheels and tyr
es
es......................................... 400 400
No tes on noise or unusual handling char-
acteristics ................................................... 400
No tes on regula rly inspecting wheels and
tyres .......................................................... .400
No tes on snow chains ................................. 400
Ty re pressure .............................................. 401
Wheel change ............................................. 404
Emer gency spa rewheel .............................. .414
Collapsible spare wheel ............................... 416 T
T
ec
ec hnical dat
hnical dat a
a............................................. 420 420
No tes on tech nical data .............................. 420 Contents
3
3

1
Steering wheel gearshiT paddles →
211
2 Combination switch →
162
3 Instrument displ ay →
309
4 DIRECT SELECT le ver →
209
5 Media display →
315
6 Climate control systems →
179
7 £ Hazard warning light system →
162
8 PASSENGER AIR BAG indicator la mps→
53
9 Glovecompartment →
138
A Stow age compartment →
138
B 8 Controller forvo lume and switching
sound on/o. →
315
Ü Switches the MBUX multimedia system
on/o. →
315
C z Calls up navigation →
317
D | Calls up radio or media →
317
E % Calls up thete lephone →
317 F
Switch panel for:
ä Individual wheel cont rol (vehicles without
o.- road pac kage ) or →
277
+ Transfer case (vehicles with o.-road
pac kage) →
213
p Manual gearshiTing →
211
¿ AIRMATIC or →
267
¿ E-AC TIVE BODY CONTROL →
273
å Activating/deactivating ESP ®
→
232
î Downhill Speed Regulation →
249
G ß Calls up favo urites →
317
H y Calls up vehicle functions →
317
I c Active Parking Assist →
293
J DYNAMIC SELECT switch →
207
K Touchpad →
317
L Start/stop but ton →
191
è ECO start/s top function →
202 At
a glance – Cockpit
7
7

1
Rear climate cont rol operating unit →
179
2 Stow age compartment in the centre console
230 V soc ket →
152
3 Adjusts the front passenger seat electrically →
112
4 s Switches there ar seat ventilation on/o. →
126
5 w Switches there ar seat heating on/o. →
125
6 Adjusts there ar seats elect rically →
113
Mercedes-M aybach vehicles: adjusts a reclin-
ing rear seat elect rically →
113 7
Mercedes-M aybach vehicles: operates the
memory function →
132
8 Mercedes-Maybach vehicles: sets the fully
re clined position →
114
9 Mercedes-M aybach vehicles: access tothe
re frigerator box →
154
A Stow age compartment in there ar armrest
MBUX rear tablet brac ket At
a glance – Control settings in there ar passen ger compartment
17
17

uses operational data from
theve hicle, forex am-
ple, forre calls. These data can also be used to
ex amine the customer's warranty and guarantee
claims.
Fa ult memories in theve hicle can be reset by a
service outl etor at your requ est as part of repair
or maintenance work.
Conv
Conv enience and inf ot
enience and inf otainment functions ainment functions
Yo u can store con venience settings and individual
settings in theve hicle and change or reset them
at any time.
Depending on theve hicle equipment, this
includes thefo llowing settings, forex ample:
R seat and steering wheel positions
R suspension and climate cont rol settings
R individual settings, such as interior lighting
Depending on the selected equipment, you can
import data into vehicle inf otainment functions
yo urself. Depending on
theve hicle equipment, this
includes thefo llowing data, forex ample:
R multimedia data, such as music, /lms or pho-
tosfo r playback in an integ rated multimedia
system
R address book data for use in connection with
an integ rated hands-free system or an integ ra-
te d navigation system
R entered navigation destinations
R data about the use of Internet services
These data for con venience and inf otainment
functions may be sa ved locally in theve hicle or
th ey may be located on a device which you ha ve
connected totheve hicle, such as a smartphone,
USB 0ash drive or MP3 pla yer.Ifyo u ha veentered
th ese data yourself, you can dele tethem at any
time.
This data is transmitted from theve hicle tothird
parties only at your requ est. This applies, in par-
ticular, when you use online services in accord-
ance with the settings that you ha veselected. Smar Smar
tphone int tphone int egr
egration (e.g. Andr
ation (e.g. Andr oid A
oid Aut
uto or
o or
Apple CarPlay
Apple CarPlay ®
®
)
)
If yo ur vehicle is accordingly equipped, you can
connect your smartphone or ano ther mobile end
device totheve hicle. You can then control them
by means of the control elements integ rated in
th eve hicle. Images and audio from the smart-
phone can be output via the multimedia system.
Cer tain information is simultaneously transfer red
to your smartphone. Depending on the type and
integ ration, this includes position data, day/night
mode and other general vehicle statuses. For
more information please consult the Owner's
Manual of theve hicle/inf otainment system.
This integ ration allo ws the use of selected smart-
phone apps, such as navigation or music pla yer
apps. There is no fu rther interaction between the
smartphone and theve hicle; in particular, vehicle
data is not directly accessible. The type of addi-
tional data processing is de term ined bythe pro-
vider of the app being used. Which settings you
can make, if an y,depends on the speci/c app and
th e operating system of your smartphone. 40 40
General no
tes

Ov
Ov
er
ervie
vie w of climat
w of climat e contr
e control syst
ol systems
ems N
No
ot
tes on climat
es on climat e contr
e control
ol An interior air /lter in combination with
the pre/l-
ter inthe engine compartment must alw ays be
used so that the air conditioning system, pollution
le ve l monitoring and the air /lt ration workcor-
re ctl y.Use /lters recommended and appr oved by
Mercedes-Benz. Alw ays ha vemaintenance work
car ried out at a quali/ed specialist workshop. Ov
Ov
er
ervie
vie w of t
w of t he air conditioning contr
he air conditioning contr ol panel
ol panelThe indicator lamps on
the buttons indicate that
th e cor responding function is activated. THERM
OTRO NIC air conditioning cont rol panel with
stationary heater (e xample)
1 w Setsthete mp erature on the driver's
side
2 A Calls up the air conditioning menu
3 H Setsthe air0ow or switches o. climate
control
4 Ã Sets climate control toautomatic mode
(/ page 180)
5 ¬ Demisting the windscreen
6 ¤ Switches there ar wind owheater on/o.
7 g Switches air-recirculation mode on/o.
(/ page 181) 8
Á Switches the A/C function on/o.
(/ page 179)
Switches residual heat on/o.
(/ page 181)
9 Vehicles with THERM ATIC or THERM OTRO NIC
control panel with stationary heater: &
swit ches stationary heater on/o.
(/ page 183)
Ve hicles with THERM ATIC or THERM OTRO NIC
control panel without stationary heater: 0
swit ches synchronisation on/o.
(/ page 181)
A w Setsthete mp erature on the front
passenger side
% THERMAT IC equipment is available for all vehi-
cles except Mercedes-M aybach vehicles. 178
178
Climate cont
rol

Ov
Ov
er
ervie
vie w of t
w of t he r
he rear oper
ear oper ating unit
ating unit 1
Sets thete mp erature, leT
2 Sets the air distribution, leT
3 Sets climate control toautomatic mode
(/ page 180)
4 Sets the air0ow
5 Switches climate control on/o.
(/ page 179)
Switches residual heat on/o. (/ page 181)
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 there ar operating unit,
the multimedia system
(/ page 180) or the MBUX rear tablet depending
on theve hicle's equipment. Oper Oper
ating t
ating t he climat
he climat e contr
e control syst
ol system
em Switc
Switc
hing climat
hing climat e contr
e control
olon/o.
on/o. #
T
To switc
o switc h on:
h on:setthe air0ow toleve l 1 or
higher using theH button. #
T
To switc
o switc h
ho.:
o.: setthe air0ow toleve l 0 using
th eH button.
If climate control is switched o., the windo ws
may mist up more quickl y.Switch climate control
o. only brie0 y. Switc
Switc
hing t
hing t he climat
he climat e contr
e control in t ol in the r
he rear
earon/o.
on/o. #
Press button 5.
% When climate control in the second seat row
is switched o., the indicator lamp is activated
and OFF OFF is shown on there ar displ ay. Switc
Switc
hing t
hing t he A/C function
he A/C function on/o.
on/o. using t
using the air
he air
conditioning contr
conditioning contr ol panel
ol panel The A/C
function heats, cools and dehumidi/es
th eve hicle's interior air. #
Press theÁ button.
Switch o. the A/C function only brie0y; other-
wise, the windo wsmay mist up more quickl y.
Condensation may drip from the underside of the
ve hicle when cooling mode is active. This is not
indicati veof a fault. Calling up t
Calling up t
he air conditioning menu
he air conditioning menu Calling up t
Calling up t
he air conditioning menu using t
he air conditioning menu using t he
he
multimedia syst
multimedia syst em
em #
Select one of thete mp erature displa ysatthe
lo we r edge of the media displa y.
Calling up t
Calling up t he air
he air-conditioning menu using t
-conditioning menu using t he
he
butt
butt on on t
on on t he climat
he climat e contr
e control panel
ol panel #
Press the! button on the climate control
panel. Climate control
179
179

A
A
ctiv
ctiv ating/deactiv
ating/deactiv ating t
ating the A/C function via t
he A/C function via t he
he
multimedia syst
multimedia syst em
emMultimedia system:
4 Climate menu 5
First row of seats
The A/C function heats, cools and dehumidi/es
th eve hicle's interior air. #
Select A/C. Se Se
tting climat
tting climat e contr
e control t
ol to aut
o aut omatic mode
omatic mode In automatic mode,
the set temp erature is con-
trolled and maintained at a constant le velby the
air suppl y. #
Press theà button. #
T To switc o switc h t
h to manual mode:
o manual mode: pressthe Ã
button.
In automatic mode, you can choose between /ve
di.erent air quantities using theH button.
Au tomatic mode is retained. A
A
ut
ut omaticall
omaticall y contr
y controlling t
olling the climat
he climat e contr
e control in
ol in
t
t he r
he r ear
ear In automatic mode,
the set temp erature is regula-
te dby thete mp erature of the dispensed air and
th e air0o w. #
Press theà button (/ page 179). Se
Se
tting t
tting t he air dis
he air distr tribution
ibution Multimedia system:
4 Climate menu #
Call up the air conditioning menu
(/ page 179). #
Select a row of seats. #
T
T o se
o se t t
t the air dis
he air dis tr
tr ibution:
ibution: select¯,P
or O. #
Set the air0o w.
% Several air distribution options can be selec-
te d at the same time, forex ample toset the
climate cont rolfo rth e windscreen and the
fo ot we lls simultaneousl y.
The ¯ climatecont rolfo rth e windscreen
can only be selected forth e /rst seat row. Se
Se
tting climat
tting climat e contr
e control fol for t
or t he r
he r ear passeng
ear passeng er
er
com
com par
partment (multimedia syst
tment (multimedia syst em)
em) Multimedia system:
4 Climate menu 5
Second row of seats
Se
Se tting t
tting t he t
he tem
emper
per ature
ature #
Select Second row of seats orThird row of
seats.
% Maybach vehicles are only /tted with one and
two rows of seats. #
Set thete mp erature.
Se
Se tting t
tting t he
heair0ow
air0ow #
Select Second row of seats orThird row of
seats.
% Maybach vehicles are only /tted with one and
two rows of seats. #
Set the air0o w.
Contr
Contr olling t
olling t he r
he rear climat
ear climat e contr
e control aut
ol automatically
omatically #
Select REAR AUTO.
Re ar climate cont rol is controlled automati-
call y. 180
180
Climate control

Deactiv
Deactiv
ating r
ating rear climat
ear climat e contr
e control
ol #
Select REAR OFF.
Re ar climate cont rol is deactivated. Switc
Switc
hing t
hing t he sync
he sync hr
hronisation function
onisation function on/o.
on/o.via
via
t
t he air conditioning contr
he air conditioning contr ol panel
ol panelClimate control can be set centrally using
the syn-
ch ronisation function. The temp erature and air
distribution setting forth e driver's side will be
adop ted automatically for all climate control
zones. #
Press the0 button.
The synchronisation function will be deactivated if
th e settings for one of theot her climate zones are
ch anged. Switc Switc
hing t
hing t he sync
he sync hr
hronisation function
onisation function on/o.
on/o.via
via
t
t he multimedia syst
he multimedia syst em
em Multimedia system:
4 Climate menu 5
First row of seats
Climate cont rol can be set centrally using the syn-
ch ronisation function. The driver's settings forte
mp erature, air quantity and air distribution are
adop ted automatically for all climate zones. #
Select SYNCand switch on or o.. Demis Demisting t
ting the windo ws
he wind ows W
W
indow
indow s mist
s mist ed up on t
ed up on t he inside
he inside #
Press theà button. #
Ifth e windo wscontinue tomist up: press the
¬ button.
W
W indow
indow s mist
s mist ed up on t
ed up on t he outside
he outside #
Switch on the windscreen wipers. #
Press theà button. Switc
Switc
hing air
hing air -r
-recir
ecir culation mode
culation mode on/o.
on/o. #
Press theg button.
The interior air will be recirculated.
Air-recirculation mode automatical lyswitches to
fresh air mode aTer a while. %
If air-re circulation mode is switched on, the
wind ows may mist up more quickl y.Switch on
ai r-re circulation mode only brie0y. Switc
Switc
hes t
hes the r
he residual heat
esidual heat on/o.
on/o. R
R
eq
eq uir
uir ements:
ements:
R theve hicle is par ked.
It is possible tomake use of there sidual heat
from the engine tocontinue heating or ventilating
th e front compartment of theve hicle for appr ox-
imately 30 minutes, depending on thete mp era-
ture set. #
T
To activ
o activ at
ate:
e: press button Á.
Re sidual heat will be switched o. automaticall y. Switc
Switc
hing t
hing t he r
he residual heat in t
esidual heat in t he r
he rear
earon/o.
on/o. R
R
eq
equir uir ements:
ements:
R The vehicle is par ked.
When there sidual heat of the engine is activated
in there ar compartment, you can heat or ventila te Climate control
181
181