2021 MERCEDES-BENZ GLS SUV change time

Thank y
Thank y
ou f
ou for buying Mer
or buying Mer cedes-Benz
cedes-Benz
Before you /r stdrive o., read this operator's
manual carefully and familiarise yourself with your
ve hicle. Foryo ur ow n sa fety and a longer operat-
ing lifespan of theve hicle, follow the inst ructions
and warning notices in this operator's manual.
Disregarding them may lead todamage tothe
ve hicle or injury topeople.
The standard equipment and product description
of your vehicle may vary and depends on thefo l-
lowing factors:
R Model
R Order
R National version
R Availability
Yo ur vehicle may therefore di.er, in individual
cases, from that shown in the descriptions and
illust rations.
The illustrations in this operator's manual show a
leT-hand drive vehicle. On right-hand-d rive ve hi-
cles, the la yout of car parts and control elements
di.ers accordingl y. Mercedes-Benz is constantly de
veloping its vehi-
cles fu rther.
Mercedes-Benz therefore reser vesth eright to
introduce changes in thefo llowing areas:
R Design
R Equipment
R Tech nical features
The following documents are integ ral parts of the
ve hicle:
R Digital operator's manual
R Printed operator's manual
R Service booklet
R Equipment-dependent supplements
R Supplementary documents
Ke ep these documents in theve hicle at all times.
Ensu rethat all documents are in theve hicle or
passed on in theeve nt of sale or rental.
1675845821Z102
1675845821Z102

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

Pr
ot
Pr otection of t
ection of t he en
he envir
vironment
onment
+ ENVIR
ENVIR
ONMENT
ONMENT AL NO
AL NOTE
TE Environmental
damage due tooperating conditions and
personal driving st yleThe pollutant emission of
theve hicle is
directly related tothewa yyo u operate the
ve hicle.
Operate your vehicle in an environmentally
re sponsible manner tohelp pr otect the envi-
ro nment. Please obser vethefo llowing recom-
mendations on operating conditions and per-
sonal driving st yle.
Oper
Oper ating conditions:
ating conditions: #
Make sure that the tyre pressure is cor-
re ct. #
Do not car ryany unnecessary weight
(e.g. roof luggage rack s once you no lon-
ge r need them). #
Adhere tothe service inter vals.
A regula rly serviced vehicle will cont rib-
ute toenvironmental pr otection. #
Always ha vemaintenance workcar ried
out at a quali/ed specialist workshop.
P
P er
er sonal dr
sonal dr iving s
iving stytyle:
le: #
Do not depress the accelerator pedal
when starting the engine. #
Do not warm uptheve hicle while sta-
tionar y. #
Drive carefully and maintain a suitable
distance from theve hicle in front. #
Avoid frequent, sudden acceleration and
braking. #
Change gear in good time and use each
ge ar only up toÔ of its maximum
engine speed. #
Switch o. theve hicle in stationary traf-
fi c, e.g. byusing the ECO start/s top
function. #
Drive in a fuel-e1cient manner. Obse rve
th e ECO display for an economical driv-
ing style. T T
ak
ak e-bac
e-bac k of end-of-lif
k of end-of-lif e v
e vehicles
ehicles
EU countr
EU countr ies only:
ies onl y:
Mercedes-Benz will take back your end-of-life
ve hicle for environment-fri endly disposal in
accordance with the European Union (EU) End-of-
Life Vehicles Directi ve.
A network of vehicle take -back points and dis-
mantlers has been established foryo uto return
yo ur vehicle. You can lea veit at any of these
points free of charge . This makes an impor tant
cont ribution toclosing there cycling circle and
conserving resources.
Fo r fur ther information about there cycling and
disposal of end-of-life vehicles, and theta ke -back
conditions, please visit the national
Mercedes-Benz website foryo ur countr y. 22
22
General no
tes

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

Se
Se
tting aut
tting aut omatic seat adjus
omatic seat adjustment tment &
W
W ARNING
ARNING Risk of becoming trapped du r-
ing adjustment of the driver's seat aTer
calling up a driver pro/le
Selecting a user pro/le may trigger an adjust-
ment of the driver's seat tothe position sa ved
under the user pro/le. You or other vehicle
occupants could be injured in the process. #
Make sure that when the position of the
driver's seat is being adjus ted via the
multimedia system, no people or body
parts are in the seat's range of mo ve-
ment.
If th ere is a risk of someone becoming trap-
ped, stop the adjustment process immedi-
atel y: #
a)Tapth ewa rning message onthe
media displa y.
or #
b) Press a memory function position but-
ton or a seat adjustment switch on the
driver's door.
The adjustment process will be stopped. R R
eq
eq uir
uir ements:
ements:
R Adapting the driver's seat and steering wheel
position tobody size: automatic seat adjust-
ment has been switched on.
Multimedia system: 4 © 5
Settings 5
Vehicle
5 Automatic seat adjustment
Switc
Switc hing aut
hing aut omatic seat adjus
omatic seat adjus tment
tmenton/o.
on/o.
When the active user pro/le is changed while the
ve hicle is stationar y,the driver's seat, steering
wheel, outside mir rors and seat contour will auto-
matically be adap tedto the driver. #
Select OnorOff.
% This setting is available only for individual user
pro/les. Forth e guest pro/le, automatic seat
adjustment cannot be switched on or o.. A
A djus
djus ting dr
ting dr iv
iver's seat and st
er's seat and st eer
eer ing wheel position
ing wheel position
t
t o body size
o body size
The vehicle calculates a suitable driver's seat and
steering wheel position on the basis of the driver's
body size and sets this directl y. #
T To se o se t t
t the unit of measur
he unit of measur ement
ement: :select cmor
ft/in. #
Set the size using the scale. #
Select Start positioning .
The driver's seat and steering wheel position
is adjusted tothe body size that has been set.
% Ifth e driver's seat and steering wheel position
calculated bytheve hicle is not practical or
comfor table, it can be manually changed at
any time via the buttons.
The exterior mir rors are not set via this func-
tion. Instead, they have tobe set manually via
th e switches.
% You can also con/gure these settings via the
Mercedes me por talfo ryo ur user pro/le. By
synchronising the pro/les in theve hicle and
th e Mercedes me connect pro/les, you can
car ryover these settings foryo ur vehicle. Seats and st
owing
123 123

R
Atspeeds between 40 km/h and 70 km/h
when the steering wheel is turned
R
R oundabout and junction function:
oundabout and junction function: the cornering
light will be activated on bo thsides based on an
ev aluation of theve hicle's cur rent GPS position. It
will remain active until aTer theve hicle has leT
th e roundabout or the junction.
Mot
Mot orwa
or wa y mode function
y mode function
Mo torw ay mode increases thera nge and bright-
ness of the cone of light, enabling better visibility. The function will be active if a mo
torw ay journey
is de tected bymeans of:
R theve hicle's speed R
the multifunction camera
R the GPS
The function will not be active at speeds below
80 km/h.
Enhanced f Enhanced f og light function
og light function
The enhanced fog light function reduces self-daz-
zling and impr ovesth e illumination of the edge of
th e car riag ewa y. The function is automatically activated under
the
fo llowing conditions:
R Atspeeds below 70 km/h and when there ar
fo g light is switched on. The function is automatically deactivated under
th
efo llowing conditions:
R When speeds greater than 100 km/h are
re ached.
R When there ar fog light is switched o..
% You can activate the enhanced fog light func-
tion up toa speed of 100 km/h byswitching
on there ar fog light.
F F unction of t
unction of t he
heo.-r
o.-r oad
oad light
light
The o.-road light impr oves illumination during o.-
ro ad driving. The low beam is distributed symmet-
ri cally and across a wide angle, and brightness is
increased slight ly. This makes it easier to/nd your
wa y when driving o.-road and todetect obs tacles
at an ear lystage. The acti veheadlamps are deac-
tivated during this time so that steering mo ve-
ments do not change the illumination.
The function is active when the low beam is
switched on if you are not driving at a speed
gr eater than 50 km/h and theF (O.rO.r oad
oad) or
G (O.rO.r oad
oad Plus
Plus) drive prog ram has been
selected. 164
164
Light and sight

A
A
ctiv
ctiv ating multi-colour
ating multi-colour ed animation
ed animation#
Select Colour. #
Select Multi-colour animat..
The chosen colour combination will change at
prede/ned inter vals.
A
A ctiv
ctiv ating w
ating w elcome lighting
elcome lighting #
Select Colour. #
Select Welcome.
When theve hicle is unloc ked, a special ambi-
ent lighting sequence will run.
A
A ctiv
ctiv ating dependency on air conditioning se
ating dependency on air conditioning se t-
t-
tings
tings #
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 brie0y. Switc
Switc
hing t
hing t he int
he inter
erior lighting
ior lighting switc
switch-o.
h-o. delay
delay
time
time on/o.
on/o. Multimedia system:
4 © 5
Settings 5
Lights
5 Int. light. del. sw. off #
Switch the swit ch-o. delay time on or o..
When this function is active, the interior light-
ing lights up for a short time aTer theve hicle
is loc ked. W
W
indscr
indscr een wiper
een wiper s and windscr
s and windscr een w
een washer sy
asher sy s-
s-
t
t em
em Switc
Switc
hing t
hing t he windscr
he windscr een wiper
een wipers
son/o.
on/o. 1
gWindsc reen wipers o.
2 Ä Automatic wiping, normal
3 Å Automatic wiping, frequent 168
168
Light and sight

Se
Se
tting t
tting t he st
he stationar
ationar y heat
y heater/v
er/ventilation via t
entilation via t he
he
multimedia syst
multimedia syst em
em
Multimedia system:
4 Climate menu 5
Auxiliary heating #
Call up the air conditioning menu
(/ page 179). #
Select Auxiliary heating .
Selecting t
Selecting t he depar
he departur
ture time
e time #
Select the time TIME A: XX, TIME B: XXor
TIME C: XX.
Se
Se tting t
tting t he depar
he depar tur
ture time
e time #
Select the time TIME A: XX, TIME B: XXor
TIME C: XX. #
Select the pen beside the time. #
Set a time.
Se
Se tting t
tting t he st
he stationar
ationar y heat
y heater/v
er/ventilation via
entilation via
r
r emot
emot e contr
e contr ol
ol
R
R eq
eq uir
uir ements:
ements:
R The fuel tank is su1cient lyfull. Switc Switc
hing on immediat hing on immediat ely
ely #
Press and hold theu button.
Se
Se tting t
tting t he depar
he depar tur
ture time
e time #
Brie0y press theu button. #
Press the, or. button repeatedly
until the time tobe changed appears on the
displa y. #
Press theu and^ buttons simultane-
ousl y.
The Îsymbol on there mo tecont rol display
will 0ash. #
Press the, and. buttons toset the
desired departure time. #
Press theu and^ buttons simultane-
ousl y.
The new departure time will be stored.
Up tothre e departure times can be stored. #
T
To activ
o activ at
ate t
e t he depar
he depar tur
ture time:
e time: selectthe
desired departure time and press and hold
th eu button.
The Ísymbol, the departure time and,
depending on the selected departure time, the
letter A A, B , B or CCwill appear on the displa y. #
T
To deactiv
o deactiv at
ate t
e t he depar
he depar tur
tur e time:
e time: selectthe
desired departure time and press and hold
th e^ button.
OFF
OFF will appear on the displa y. #
T
To c
o c hec
hec k t
k the st
he st atus of t
atus of t he activ
he active st
e stationar
ationar y
y
heat
heat er
er:
:brie0y press theu button. Climate control
185
185