MERCEDES-BENZ GLS SUV 2021 Owners Manual

A
A
dditional functions in t
dditional functions in t he T
he TV menu
V menu Symbol
Symbol
DesignationF
Designation Function
unction
Z SettingsSelecttomake settings in theTV menu. The following functions can be switched
on/o. or con/gured:
R Channel /x
R Count ry-speci/c character set
R Audio language
R Subtitles
R Telete xt
R Picture form at
Õ EPGSelecttoshow cur rent prog ramme information forth ech annel.
4 Channel listS electtoshow a list of available channels with the cur rent prog ramme. A
A
ut
ut hor
hor ising a Bluet
ising a Bluet ooth
oo th®
®
audio de
audio de vice f
vice f or media
or media
pla
pla yback
yback R R
eq
eq uir
uir ements:
ements:
R Bluetoo th®
is activated on the multimedia sys-
te m and audio equipment. R
The audio equipment supports the Blue tooth ®
audio pro/les A2DP and AVRC P.
R The audio equipment is "visible" forot her devi-
ces. Multimedia system:
4 © 5
Media 5
Bluetooth 5
ª
Wi th Blue tooth ®
audio, you can play back music
/les from an extern al data storage medium, e.g.
yo ur smartphone, using the MBUX multimedia
system. 358 358
MBUX multimedia system

#
Toplay back audio /les using the multimedia
system, authorise theex tern al data storage
medium on the MBUX multimedia system.
A
A ut
ut hor
hor ising a ne
ising a ne w Bluet
w Bluetooth
oo th®
®
audio de
audio de vice
vice #
Select Connect new device .#
Select an audio device.
Authorisation starts. A code is displa yed on
th e multimedia system and on the mobile
phone. #
Ifth e codes are identical, con/ rmonthe
audio equipment. #
Select Only as Bluetooth audio device .
The Blu etoo th®
audio equipment is connected
with the multimedia system.
Connecting pre Connecting pre viousl
viously aut
y author
horised Bluet
ised Bluet ooth
oo th®
®
audio eq
audio eq uipment
uipment #
Select a Blu etoo th®
audio device from the list.
The connection is being established. R
R
eceiving T
eceiving T V c
V channels in HD q
hannels in HD q uality
uality *
N
NOOTE
TE Damage tothe CI+ capable CA
module and the Smart Card The CI+ capable
CAmodule is designed for
use in the home. The CI+ capable CAmodule
may overheat in consistently high outside tem-
peratures and may be damaged. #
Make sure that the CI+ capable CAmod-
ule is not subject tohigh tempe ratures
fo rex tended periods of time.
If th e CI+ capable CAmodule is dam-
aged, no encryp tedch annels can be
re ceived. %
The CI+ module is not available in all coun-
tries.
A CI+ module (Common Inter face Module), which
is not included in the scope of deliver y,is used to
decrypt HD prog rammes according tothe CI+
standard.
In some countries, an additional smart card is
re qu ired, which is inser ted into the CI+ module
(see the manufacturer's operating manual). The CI+ module is connected in
the CI+ box in the
glo vecompartment. #
T To inser
o inser t t
t the smar
he smar t car
t card in t
d in t he CI+ module:
he CI+ module: if
re qu ired (countr y-dependent), insert the
smart card into the CI+ module slot.
% The CI+ box is designed for operation at tem-
peratures between 0 °C and 65 °C. Atoper-
ating temp eratures that are higher or too low
a message appears in the multimedia system
and the CI+ module is switched o. automati-
call y.Ifth e CI+ module is switched o., no
encryp tedch annels can be received. MBUX multimedia system
359
359

Ov
Ov
er
ervie
vie w of t
w of t he symbols and functions in t
he symbols and functions in t he r
he radio menu
adio menu Symbol
Symbol
DesignationF
Designation Function
unction
© HomeSelecttoreturn tothe home screen.
j MessagingSelecttocall up messaging.
û/ü Skipforw ards/bac kS electtoskip tothe next or tothe pr evious station.
Z SettingsSelecttohave further options shown. Settings can be made tothefo llowing additional
functions, forex ample:
R Navigation and tra1c announcements
R Frequency /x function
R Radio additional text
R Emer gency warnings
The setting options are countr y-dependent.
2 Full screen Selecttoswitch totheDA B slide sh ow.
This function is not available in all countries.
8 Silent functionSelecttoswitch o. the sound.
f Store radio stations Select tosave a station in the presets. 360
360
MBUX multimedia system

Symbol
Symbol
DesignationF
Designation Function
unction
4 Station lis tS electtohave the station list shown.
ª Search Selecttosear chinthe active menu. You can sear chfor artists, genres or moods, for
ex ample. A A
dditional functions of T dditional functions of T uneIn r
uneIn radio
adio
% Arelatively lar gevolume of data can be trans-
mitted when using TuneIn Radio. Symbol
Symbol
DesignationF
Designation Function
unction
Z SettingsThefollowing additional settings are available in
th eTu neIn Radio menu:
R Selecting stream
R Logging on toor out of theTu neIn account
ß Favourites Select during playbacktosave the station cur-
re ntly set as a favo urite. MBUX multimedia system
361
361

Symbol
Symbol
DesignationF
Designation Function
unction
6/8 Play/PauseSelecttostart, stop or continue pl aybac k.
5 Brow se Selecttochoose a category and then a radio sta-
tion. Depending on
the frequency band selected, di.er-
ent functions are available toyou.
Select the desired frequency band in thera dio
menu head runner. Calling up T
Calling up T
uneIn R
uneIn Radio
adio R
R
eq
eq uir
uir ements:
ements:
R A Mercedes me account is available.
R The vehicle is connected with the Mercedes
me account.
R The TuneIn Radio service is activated in the
Mercedes me Portal.
R The data volume is available.
Depending on the countr y,data volume may
need tobe pur chased. R
Afast In tern et connection for data transmis-
sion free of inter fere nce.
% Data volume can be pur chased dir directl
ectl y fr
y fr om
om
a mobile phone ne
a mobile phone ne tw
twor
ork pro
k pro vider
vider viathe
Mercedes me Portal.
% The functions and services are countr y-
dependent. For more information, consult a
Mercedes-Benz service centre.
Multimedia system: 4 © 5
Radio #
Select TuneIn Radio .
The TuneIn menu appears. The last station set
starts playing.
% The connection quality depends on the local
mobile phone reception. Sound se Sound se
ttings ttings Ov
Ov
er
ervie
vie w of functions in t
w of functions in t he sound menu
he sound menu The setting options and functions
available
depend on the sound system /t ted. You can /nd
out which sound system is /t tedinyour vehicle in
th e Digital Owner's Manual.
S
S t
tandar
andar d sound syst
d sound syst em and A
em and Adv
dvanced sound sy
anced sound sy s-
s-
t
t em
em
The following functions are available:
R Equaliser
- Treble, mid-range and bass
R Balance and fader
R Volume
- Automatic adjustment 362
362
MBUX multimedia system

Bur
Bur
mest
mest er
er®
®
su rr
surr ound sound syst
ound sound syst em and
em and
Bur
Bur mest
mest er
er®
®
high-end 3D surr
high-end 3D surr ound sound syst
ound sound system
em
The following functions are available:
R Equalise r:
- Treble, mid-range and bass
R Balance and fader
R Sound focus
R VIP seat (Burmes ter®
high-end 3D sur round
sound system only)
R Sound pro/les
R Volume:
- Automatic adjustment MBUX multimedia system
363
363

ASS
YS
ASS YST PL
T PL US ser
US ser vice int
vice int erv
erval display
al display F
F
unction of t
unction of t he ASSYS
he AS SYST PL
T PL US ser
US ser vice int
vice int erv
erval dis-
al dis-
play
play The ASS
YST PLUS service inter val display on the
inst rument display informs you of the time or dis-
ta nce remaining before the next service due date.
Yo u can hide this service display using the back
button Gonthe leT-hand side of the steering
wheel.
Depending on how theve hicle is used, the
ASS YST PLUS service inter val display may shor ten
th e service inter val, e.g. in thefo llowing cases:
R Mainly short-distance driving
R When the engine is oTen leT idling for long
periods
R Intheev ent of frequent cold start phases
R V
V ehicles wit ehicles wit h a diesel par
h a diesel par ticulat
ticulate
e/lt
/lt er:
er: inthe
ev ent of frequently inter rupted rege neration of
th e diesel particulate /lter
Mercedes-Benz recommends avoiding such oper-
ating conditions. Yo
u can obtain information concerning the servic-
ing of your vehicle from a quali/ed specialist
wo rkshop, e.g. a Mercedes-Benz service cent re. Displa
Displa
ying t
ying t he ser
he ser vice due date
vice due date On-board computer:
4 Service 5
ASSYST PLUS
The next service due date is displa yed. #
T
T o e
o e xit t
xit t he displa y:
he displ ay:press the back button
G onthe leT-hand side of the steering
wheel.
Bear in mind thefo llowing related topic:
R Operating the on-board computer
(/ page 310). Inf
Inf
or
ormation on r
mation on r egular maint
egular maint enance w
enance work
ork *
N
NOOTE
TE Premature wearthro ugh failure to
obser veservice due dates Main
tenance workwhich is not car ried out at
th eright time or inco mplete ly can lead to
increased wear and damage totheve hicle. #
Adhere tothe prescribed service inter-
va ls. #
Always ha vethe prescribed maintenance
wo rkcar ried out at a quali/ed specialist
wo rkshop. N
No
ot
tes on special ser
es on special ser vice r
vice req
equir
uir ements
ements The prescribed service inter
val is based on nor-
mal operation of theve hicle. Ha vethe mainte-
nance workcar ried out more oTen than prescri-
bed if operating conditions are di1cult or the
ve hicle is subject toincreased stress.
The ASS YST PLUS service inter val display is only
an aid. The driver of theve hicle bears responsibil-
ity as rega rdsto whe ther maintenance work
needs tobe per form ed more oTen than speci/ed
based on the actual operating conditions and/or
loads.
Examples of arduous operating conditions:
R Regular city driving with frequent intermediate
stops
R Mainly short-distance driving 364 364
Maintenance and care

R
Frequent operation in mountainous terrain or
on poor road sur faces
R When the engine is oTen leT idling for long
periods
R Operation in particular lydusty conditions
and/or if air-recirculation mode is frequently
used
In these or similar operating conditions, ha vethe
interior air /lter, air /lter, engine oil and oil /lter,
fo rex ample, changed more frequentl y.The tyres
must be checked more frequently if theve hicle is
operated under increased loads. Further informa-
tion can be obtained at a quali/ed specialist work-
shop. Batt Batt
er
ery disconnection per
y disconnection per iods
iodsThe AS
SYST PLUS service inter val display can cal-
culate the service due date only when the battery
is connected. #
Display and no tedown the service due date
on the inst rument display before disconnect-
ing the battery (/ page 364). Engine com
Engine com
par
partment
tment Opening and closing t
Opening and closing t
he bonnet
he bonnet &
W
WARNING
ARNING Risk of accident due todriving
with the bonnet unloc ked
The bonnet may open and blo ckyour vie w. #
Neverre lease the bonnet when driving. #
Before every trip, ensure that the engine
bonnet is loc ked. &
W
WARNING
ARNING Risk of accident and inju ry
when opening and closing the bonnet
The bonnet may suddenly drop into the end
position.
There is a risk of injury for an yone in the
engine bonnet's range of mo vement. #
Do not open or close the bonnet if there
is a person in the bonnet's range of
mo vement. &
W WARNING
ARNING Risk of burns when opening the
bonnet
If yo u open the bonnet in theev ent of an over-
heated engine or /re in the engine compart-
ment, thefo llowing situations may occur:
R You may come into contact with hot gases.
R You may come into contact with other
escaping hot operating 0uids. #
Before opening the bonnet, allow the
engine tocool down. #
Intheev ent of a /re in the engine com-
partment, keep the bonnet closed and
call the /re service. &
W
WARNING
ARNING Risk of injury due tomoving
parts
Components in the engine compartment may
continue torun or start unexpectedly even
when the drive system is switched o..
Obser vethefo llowing if you must open the
bonnet: Maintenance and care
365
365

#
Switch o. theve hicle. #
Neverto uch the danger zones sur round-
ing moving components, e.g. thero tation
area of thefa n. #
Remo vejewe llery and watches. #
Keep items of clo thing and hair away
from moving pa rts. &
W
WARNING
ARNING Risk of injury from touching
components under voltage
The ignition system and the fuel injection sys-
te m operate at high voltage. You could receive
an elect ric shoc k. #
Neverto uch ignition system or fuel injec-
tion system components when theve hi-
cle is switched on. The live components include
thefo llowing, for
ex ample:
R Ignition coils
R Fuel injectors R
Electric lines tothe ignition coils and the fuel
injectors &
W
WARNING
ARNING Risk of burns from hot compo-
nent parts in the engine compartment
Cer tain component parts in the engine com-
partment can be very hot, e.g. the engine, the
cooler and parts of theex haust system. #
Allow the engine tocool down and only
to uch component parts described in the
fo llowing. &
W
WARNING
ARNING Risk of injury from using the
windscreen wipers when the bonnet is
open
If th e windscreen wipers start moving when
th e bonnet is open, you could be trapped by
th e wiper linkage. #
Always switch o. the windscreen wipers
and theve hicle /r stifyo u need toopen
th e bonnet. Opening t
Opening t
he bonnet
he bonnet #
Torelease the bonnet, pull on handle 1.366
366
Maintenance and care

#
Push handle 1ofthe bonnet catch upwards
and liT the bonnet until it opens automaticall y.
Closing t
Closing t he bonnet
he bonnet
* NO
NOTE
TEDamage tothe bonnet If
th e bonnet is closed manuall y,there is a risk
of dents. #
Do not close the bonnet manuall y. #
Lowe rth e bonnet toa height of around 20 cm
and then allow it tofall, applying a little force
as you let it go. #
Ifth e bonnet can still be liTed slightl y,open
th e bonnet again and close it with a little more
fo rc e until it engages cor rectl y. Engine oil
Engine oil
Chec
Chec
king t
king t he engine oil lev
he engine oil lev el using t
el using the on-board
he on-board
com
com put
puter
er
R
R eq
eq uir
uir ements:
ements:
R The engine has been warmed up.
R The vehicle is par ked on a le vel sur face.
R The engine is running at idle speed.
R The bonnet is closed.
The engine oil le vel is de term ined during driving.
De term ining the engine oil le vel can take up to
30 minutes with a normal driving style and even
longer with an active driving style. On-board computer:
4 Service 5
Engine oil level
One of thefo llowing message s will appear onthe
inst rument displa y:
R Engine oil level Measuring now: measu rement
of the oil le vel is not yet possible. #
Repeat there qu est aTer a maximum of
30 minutes' driving.
R Engine oil level OK andthe bar display for
indicating the oil le vel on the inst rument dis-
play is green and is between "min" and "max":
th e oil le vel is cor rect.
R Engine oil level Add 1,0 l andthe bar display
fo r indicating the oil le vel on the inst rument
display is orange and is below "min": #
Add 1 l of engine oil.
R Reduce engine oil level andthe bar display for
indicating the oil le vel on the inst rument dis-
play is orange and is abo ve"max": Main
tenance and ca re
367
367