2021 MERCEDES-BENZ GLS SUV Owners Manual

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

Mer
Mer
cedes-Benz GenuineP
cedes-Benz GenuineP ar
arts
ts
+ ENVIR
ENVIR
ONMENT
ONMENT AL NO
AL NOTE
TEEnvironmental
damage caused bynot using recycled
re conditioned components Mercedes‑Benz
AGo.ers recycled recondi-
tioned components and parts with the same
qu ality as new parts. The same entitlement
from the implied warranty is valid as for new
parts. #
Recycled reconditioned components and
parts from Mercedes‑Benz AG.*
N
N O
OTE
TE Impai rment of the operating e1-
ciency of there straint systems from
installing accessor y parts or fromrepairs
or we lding Airbags and seat belt
tensioners, as well as
control units and sensors forth ere straint sys-
te ms, may be ins talled in thefo llowing areas
of your vehicle:
R Doors R
Door pillars
R Door sills
R Seats
R Cockpit
R Instrument clus ter
R Centre console
R Lateral roof frame #
Do not ins tall accessory parts such as
audio systems in these areas. #
Do not car ryout repairs or welding. #
Have accessory parts retro/tted at a
qu ali/ed specialist workshop. Yo
u could jeopardise the operating saf ety of your
ve hicle if you use parts, tyres and wheels as well
as accessories releva nt tosaf ety which ha venot
been app rove dby Mercedes-Benz. Saf ety-re leva nt
systems, e.g. the brake system, may malfunction.
Only use Mercedes-Benz GenuineParts or parts of
equal qualit y.Only use tyres, wheels and acces-
sory parts that ha vebeen speci/cally appr oved
fo ryo ur vehicle model. Mercedes-Benz
tests original pa rts and con ver-
sion parts and accessory parts that ha vebeen
speci/cally appr ovedfo ryo ur vehicle model for
th eir reliability, saf ety and suitability. Despite
ongoing mar ketre sear ch, Mercedes-Benz is
unable toassess other parts. Mercedes-Benz
th erefore accepts no responsibility forth e use of
such parts in Mercedes-Benz vehicles, even if
th ey have been o1cially appr oved or independ-
ently appr ovedby ate sting centre.
Ce rtain parts are only o1cial lyappr ovedfor
installation or modi/cation if they comply with
legal requ irements. All Mercedes-Benz Genuine-
Pa rts meet the appr oval requ irements. The use of
non-appr oved parts may in validate theve hicle's
ge neral ope rating permit.
This is the case in thefo llowing situations:
R The vehicle type is di.erent from that for
which theve hicle's general ope rating permit
wa sgr anted.
R Other road users could be endangered.
R The exhaust gas or noise le velget swo rse. General no
tes
23 23

Alw
ays specify theve hicle identi/cation number
(VIN) (/ page 423) when ordering Mercedes-
Benz Genuine Parts. Owner's Manual
Owner's Manual
This Owner's Manual and the Digital Owner's
Manual in theve hicle describe thefo llowing mod-
els and the standard and special equipment for
yo ur vehicle:
R The models and the standard and special
equipment available at the time of this Own-
er's Manual going topress.
R The models and the standard and special
equipment only available in cer tain countries.
R The models and the standard and special
equipment, which will only be available at a
later date.
No tethat your vehicle may not be /tted with all
fe atures described. This is also the case for sys-
te ms releva nt tosaf ety. Therefore, the equipment
on your vehicle may di.er from that in the
descriptions and illustrations. The original pur
chase ag reement foryo ur vehicle
contains a list of the equipment in your vehicle at
th e time of deliver y.
Should you ha veany questions concerning equip-
ment and operation, please consult a Mercedes-
Benz Service Centre.
The Owner's Manual, Supplement, fur ther supple-
mentary documents and Service Booklet are
impor tant documents and should be kept inthe
ve hicle. Mer Mer
cedes me App
cedes me App N
No
ot
tes about t
es about t he on-demand f
he on-demand f eature
eature Yo
u can also activate various functions (on-
demand feature) subsequently via Mercedes me
aTer pur chasing your vehicle.
Information is available at any Mercedes-Benz
Se rvice Centre. A
A
ctiv
ctiv ating on-demand f
ating on-demand f eatur
eature using Mer
e using Mer cedes me
cedes me R
R
eq
eq uir
uir ements:
ements:
R The vehicle has GPS reception. R
The vehicle is lin kedto the Mercedes me user
account.
Or
Or der
der ing and activ
ing and activ ating on-demand f
ating on-demand f eature
eature #
Addth e desired on-demand feature forthe
ve hicle tothe shopping bask etinthe
Mercedes me Store. #
Comple tethe order.
The on-demand feature is activated when
operating theve hicle.
Speeding up activ
Speeding up activ ation
ation #
Switch theve hicle o. and lock it. #
ATer about 2 minutes, unlock theve hicle and
switch on theve hicle.
The on-demand feature has been activated.
Fo r some features, a noti/cation also appears
in theve hicle's multimedia system.
If th e activation was not successful, repeat the
process. 24
24
General no
tes

Oper
Oper
ating safe
ating safe ty
ty &
W
W ARNING
ARNING Risk of injury due tomalfunc-
tions or system failure
In order toavo id malfunctions or system fail-
ures: #
Always ha vethe speci/ed service/main-
te nance workas well as any necessary
re pairs car ried out at a quali/ed special-
ist workshop. &
W
W ARNING
ARNING Risk of accident or injury due
to improper modi/cations toelectronic
components
Modi/cations toelectronic components, their
soTware or wiring can impair their functional-
ity and/or the functionality of other networ ked
components or saf ety-re leva nt systems.
This can endanger theve hicle's operating
saf ety. #
You must not tamp er with wiring, elec-
tronic components, or their soTware. #
Always ha veworkon electrical and elec-
tronic devices car ried out at a quali/ed
specialist workshop. If
yo u modify the on-board electronics, thege n-
eral ope rating permit is rendered in valid.
Obser vethe "On-board electronics" section in
"Technical data". &
W
WARNING
ARNING Risk of /re due to0ammable
materials on hot parts of theex haust sys-
tem
Flammable material such as lea ves, grass or
twigs may ignite if they come into contact with
hot parts of theex haust system. #
When driving on unpa vedro ads or o.-
ro ad, regula rly ch eck theve hicle under-
side. #
Remo vetrapped plants or other 0amma-
ble material, in particular. #
Ifth ere is damage, consult a quali/ed
specialist workshop immediatel y. *
N
NO
OTE
TE Damage totheve hicle due todriv-
ing toofast and due toimpacts tothe
ve hicle underbody or suspension compo-
nents In
thefo llowing situations, in particular, there
is a risk of damage totheve hicle:
R theve hicle becomes grounded, e.g. on a
high kerb or an unpa vedro ad
R theve hicle is driven toofast ove r an obsta-
cle, e.g. a kerb, speed bump or po thole
R a heavy object st rike sth e underbody or
suspension components
In situations such as these, damage tothe
body, underbody, suspension components,
wheels or tyres may not be visible. Compo-
nents damaged in this wa y can un expectedly
fa il or, in the case of an accident, may no lon-
ge r absorb there sulting forc e as intended.
If th e underbody panelling is damaged, 0am-
mable materials such as lea ves, grass or twigs
can collect between the underbody and the
underbody panelling. These materials may General no
tes
25 25

ignite if
they come into contact with hot parts
of theex haust system. #
Have theve hicle checked and repaired
immediately at a quali/ed specialist
wo rkshop.
or #
If driving saf ety is impaired while con-
tinuing your journe y,pull over and stop
th eve hicle immediatel y,while paying
attention toroad and tra1c conditions,
and contact a quali/ed specialist work-
shop. V
V
ehicles wit
ehicles wit h a 48 V on-boar
h a 48 V on-boar d electr
d electrical syst
ical syst em
em &
D
DAN
AN GER
GER Risk of fatal injury bytouching
damaged high-voltage components
Ve hicles with a 48 V on-board elect rical sys-
te m contain individual high-voltage compo-
nents. These high-voltage components are
under high voltage. If
yo u modify component parts of these high-
vo ltage components or touch damaged com-
ponent parts, you may be electrocuted.
High voltage components may be damaged in
an accident, although the damage may not be
visible. #
Never per form modi/cations tocompo-
nent parts of high- voltage components. #
Neverto uch damaged component parts
of high-voltage components. #
Neverto uch component parts of high-
vo ltage components aTer an accident. Ve
hicles with a 48 V on-board elect rical system
contain high voltage components. These compo-
nents are mar ked with a high voltage label: All
workon high voltage components must be car-
ri ed out at a quali/ed specialist workshop. Declar
Declar
ations of conf
ations of conf or
ormity and not
mity and not es on dr
es on driving
iving
in
in di.er
di.er ent
entcountr
countr ies
ies Electr
Electr
omagne
omagne tic com
tic com patibility
patibility The elect
romagnetic compatibility of theve hicle
components has been checked and certi/ed
according tothe cur rently valid version of Regula-
tion UN-R 10. 26
26
General no
tes

v
v
ehicle inst
ehicle inst alled r
alled radio com
adio com ponents
ponents Onl Onl
y f y for EU and EFT
or EU and EFT A countr
A countries and countr
ies and countr ies t
ies that
hat
r
r ecognise t
ecognise t he EU manuf
he EU manuf actur
acturer's declar
er's declar ation of
ation of
conf
conf or
ormity:
mity: The
following information applies toall wireless
components of theve hicle and of the information
systems and communication devices integ rated in
th eve hicle:
The manu facturers of the wireless components
ensure that all wireless components ins talled in
th eve hicle comply with Directi ve2014/53/EU.
The full texts of the EU declarations of conformity
are available at thefo llowing web address:
https://moba.i.daimler.com/mar kets/ece-r ow/
baix/cars /certi/cates-of-conformity/en_GB/
index.html Yo
u can obtain fur ther information from a
Mercedes-Benz service centre.
F F or t
or t he U
he Unit nited Kingdom onl y:
ed Kingdom onl y: The
following information applies toall wireless
components of theve hicle and of the information systems and communication devices integ
rated in
th eve hicle:
The manu facturers of the wireless components
installed in theve hicle hereby declare that all
wireless components ins talled in theve hicle com-
ply with theRa dio Regulations 2017 directi ve. The
full texts of the declarations of conformity are
av ailable at thefo llowing web address:
https://moba.i.daimler.com/mar kets/ece-r ow/
baix/cars/certi/cates-of-con form ity/en_GB/
index.html General no
tes
27
27

F
F
or Br
or Br azil onl y:
azil onl y: No
teon two-w ayradio systems in theve hicle: These systems are not pr
otected against harmful
inter fere nce and must not cause inter fere nce in
prope rly appr oved systems.
F F or Jamaica onl y:
or Jamaica onl y:
All wireless vehicle components ha vereceived
type appr oval from the SMA.
F F or Nig
or Nig er
eria onl y:
ia onl y: Connection and use of
thera dio communications
equipment in this vehicle is permitted bythe
Nigerian Communications Commission F
F
or R
or R ussia onl y:
ussia onl y: The manufacturers of
the wireless components
installed in theve hicle hereby declare that all
wireless components ins talled in theve hicle com-
ply with thete ch nical regulations for two-w ay
ra dios. You can obtain fur ther information from a
Mercedes-Benz service centre.
F F or Ukr
or Ukr aine onl y:
aine onl y: 28
28
General no
tes

The manufacturers of
the wireless components
installed in theve hicle hereby declare that the
wireless components ins talled in theve hicle com-
ply with thete ch nical regulations for two-w ay ra
dios. You can obtain fur ther information from a
Mercedes-Benz service centre. W
W
ir
ireless applications in t
eless applications in t he v
he vehicle
ehicle
Besides the typical frequencies for mobile com-
munication cars byMercedes-Benz ma keuse of
th efo llowing automotive radio applications.
W
W ir
ireless applications in t
eless applications in t he v
he vehicle
ehicle T
T
ec
ec hnology Fr
hnology Freq
eq uency r
uency r angeT r
ang eT ransmission output/magne
ansmission output/magne tic
tic/eld
/eld s
strtr eng th
ength
Re mo teKeyless Entr y2 0 kHz (9–90 kHz) ≤ 72 dBμA/m at 10m
Wi reless Powe rTr ansmission 105 kHz (90–119 kHz)≤ 42 dBμA/m at 10m
Re mo teKeyless Entr y1 20 kHz (119–135 kHz) ≤ 42 dBμA/m at 10m
Wi reless Powe rTr ansmission 127 kHz (119–135 kHz)≤ 66 dBμA/m at 10m withthe magnetic /eld
strength le vel decreasing 3dB/oct aveabove119
kHz
Ne ar-/eld communication 13.553–13.567 MHz≤ 42 dBμA/m at 10m
Re mo teKeyless Entr y,Garage Door Opener, Tire
Pressure Monitoring 433 MHz (433.05–434.79 MHz)
≤ 10 mW ERP
Block Heater Remo teControl, Garage Door
Opener 868 MHz (868.0–868.6 MHz)≤
25 mW ERP General no
tes
29
29