MERCEDES-BENZ GLS SUV 2021 Owner's Manual

#
Obser vetheins truction sin the
Mer cedes-Ben zSpecif ications forOper‐
ating Fluids310.1. Ha
ve thecoolant regular lyreplaced ataqu alif ied
spec ialistwo rkshop.
The propor tionofcor rosion inhibit or/antifr eeze
concen trat ein theengine cooling system should
be:
R Aminimum of50% (antifr eezeprotect ion
do wn toappr oximat ely-3 5°F (-37°C))
R Amaxim umof55% (antifreeze protect ion
do wn to-49 °F(-45 °C)) Co
olant capacity Mode
lC apacity
GL S450 4MATIC 20.0USqt
(1 8.9 liter s)
GL S580 4MATIC 16.6 US qt
(1 5.7 lite rs) Mer
cede s‑Maybac hC apacity
Mer cedes -Maybach
GL S60 04MA TIC 20
.0US qt
(1 8. 9liter s) No
teson windshield washer fluid Obser
vetheno teson oper ating fluids
(/ page39 4). &
WARNIN G‑Ri sk offire and injuryfrom
wind shieldwa sher concen trat e
Wi ndsh ield wa sher concen trat eis highly
fl ammab le.Itcoul dign ite if it com esinto
con tact with hotengine component partsor
th eex haus tsy stem. #
Mak esur eth at no wind shieldwa sher
concen trat espills outnext to thefiller
open ing. *
NO
TEDama getotheex terior lighting
due touns uitable windshieldwa sher fluid Uns
uitable windshieldwa sher fluid maydam‐
ag eth eplas ticsur face oftheex terior light‐
ing. #
Onlyuse windshield washer fluid whic h
is also suitable foruse onplastic sur fa‐
ces, e.g.MBSumm erFitor MB Winter‐
Fit. *
NO
TEBlocked spr aynozzl escau sed by
mixing windshieldwa sher fluids #
Donotmix MBSum merFitand MBWin‐
te rFit withot her windshield washer flu‐
ids. Do
notuse distilled orde- ionizedwa teras thefill
le ve lsen sor maybe trigg ered erro neou sly. Te
ch nica lda ta 399

Re
comme ndedwindsh ield wa sher fluid:
R Abo vefreezing point:e.g. MBSummerFi t
R Belo wfreezing point:e.g. MBWinterFi t
Fo rth ecor rect mixi ngratio ,re ferto theinf orma‐
tion ontheantif reeze container .
Mix thewa sher fluid withth ewindshield washer
fl uid allyear round . Re
frig er ant No
teson refrig er ant
Obser vetheno teson oper ating fluids
(/ page39 4).
* NO
TEDama gedue toinc orrect refrig er‐
ant If
anon-appr ovedre frig er ant isuse d,thecli‐
mat econ trol system maybe damag ed. #
USA/China: UseonlyR‑1 34a refrig er‐
ant. #
Canada: UseonlyR‑1 234yf refrig er ant. *
NO
TEDama getotheclimat econ trol
sy stem due toinc orrect refrig er ant com‐
pr essor oil #
Onlyuse refrig er ant com pressor oilthat
has been approvedby Mer cedes-Ben z. #
Donotmix theappr ovedre frig er ant
com pressor oilwithadif fere nt refrig er‐
ant com pressor oil. Wo
rkon theclimat econ trol system maybe car‐
ri ed out onlyby aqu alif ied spec ialistwo rkshop.
All appli cable regulations, aswellas SAEstand‐
ar dJ63 9,mus tbe adher edto.
The information labelontheclimat econ trol sys‐
te m forth ere frig er ant type andthere frig er ant
com pressor oilisloca tedon theinside ofthe
hood. Inf
ormation label(exa mp le–US A/China)
1 Hazardand service warning symbols
2 Refrig er ant filling capac ity
3 Applic ablestandar ds
4 PAGoil par tnum ber
5 GWP(Global Warming Potential) ofthere frig‐
er ant used
6 Refrig er ant type 400
Tech nica lda ta

Inf
ormation label(exa mp le–Canada)
1 Hazardand service warning symbols
2 Refrig er ant filling capac ity
3 Applic ablestandar ds
4 PAGoil par tnum ber
5 GWP(Global Warming Potential) ofthere frig‐
er ant used
6 Refrig er ant type
Symbo ls1 indica tethefo llo wing:
R Possible dangers
R The need tohave ser vice workcar ried out at
a qu alif ied spec ialistwo rkshop only Re
frig er ant filling capacity
Fi lling capacityforre frig er ant and PAGoil Model
Refrig er ant
All model s2 3.9±0.4 oz
(680 ±10 g) Model
PAGoil
All model s3 .8±0.4 oz
(1 10 ±10 g) Ve
hicl edata Ve
hicl edimens ions The
heightsspeci fied mayva ry as are sult ofthe
fo llo wing fact or s:
R Tire s
R Load
R Conditio nof thesuspension
R Option aleq uipment Te
ch nica lda ta 40
1

Heig
htwhe nopen ed Model
1 1
Heig ht
whe n
open ed* 2 2
Head‐
ro om*
Ve hicl eswith AIR‐
MA TIC 84
.4in
(2 14 4mm)
- 87 .9 in
(223 4mm) 75
.9 in
(1 929 mm)
- 79.4 in
(20 19mm)
Ve hicl eswith Off-
ro ad pac kage 84
.4in
(2 14 4mm)
- 89.5 in
(22 74mm) 75
.9 in
(1 929 mm)
- 81 .0 in
(205 9mm) Mer
cedes ‑Ma ybac h
1 1
Hei ght
whe n
ope ned* 2 2
Head ‐
ro om*
All mode ls 85.0in
(2 15 9mm)
- 87 .9 in
(223 4mm) 76
.5 in
(1 94 4mm)
- 79.4 in
(20 19mm) *When
there ar-en dlowe ring isacti vated, the
va lues arecor responding lylowe r.
Ve hicl edimens ions All
models
Ve hicle length2 05.0in
(520 7mm)
Ve hicle length,AMG Styling 205.2in
(52 13mm)
Ve hicle widthincluding out‐
side mirrors 84
.9in
(2 15 7mm)
Ve hicle widthexc luding out‐
side mirrors,min. tomax. 77
.0 in
(1 956 mm) -
79.9 in
(2030 mm)
Ma ximu mvehicle height (AIR‐
MA TIC) 74
.3 in
(1 888 mm)
Ma ximu mvehicle height (Off-
ro ad pac kage ) 75
.9 in
(1 928 mm) Al
lmode ls
Mini mum vehicle height (high‐
wa ydr ivin gleve l) 71
.7 in
(1 823 mm) -
72 .3 in
(1 838 mm)
Whe elba se 123.4 in
(3 13 5mm)
Maxi mum ground clearance
(AIR MATIC ) 10
.1in
(259 mm)
Maxim umground clearance
(Of f-ro ad pac kage ) 11
.3 in
(289 mm)
Mini mum grou nd clearance
(AIR MATIC /Of f-roa dpa ckag e) 6.
8in
(1 74 mm) Mer
cede s‑Maybac h
Ve hicle length2 04.9in
(5205 mm)
Ve hicle widthincluding out‐
side mirrors 84
.9in
(2 15 7mm) 402
Tech nica lda ta

Mer
cede s‑Maybac h
Ve hicle widthexc luding out‐
side mirrors,min. tomax. 79.9
in
(2030 mm)
Maximu mvehicle height 74.3 in
(1 888 mm)
Mini mum vehicle height (high‐
wa ydr ivin gleve l) 72
.3 in
(1 838 mm)
Whe elba se 123.4 in
(3 13 5mm)
Maxi mum ground clearance 8.2in
(2 10 mm) We
ight sand loads Please
note that forth especif iedvehicle data:
R Items ofoptional equipment increase the
curb weight andreduce thepa yload. Ro
ofload All
mod els
Maxim umroof load 220lb(100 kg) Ru
nning board All
models
Maximum load 440lb (200 kg) Of
f-road driving Fo
rding dep th
* NO
TEDama gecau sed bywaterwhen
fo rd ing Wa
tercan entertheengine compartmen t
and vehicle interior if:
R youexc eed themaximum permissible
fo rd ing dep thwhen drivin gth ro ugh stand‐
ing water
R abo wwav efo rm sdur ing ford ing R
wateraccumu lates dur ing ford ing offlow ‐
ing water #
Donotexc eed themaximum permissi‐
ble ford ing dep thand drive slo wly
th ro ugh thewa ter. The
specif iedvalue indic ates themaximum per‐
missible ford ing dep thfor:
R vehicles that arere ady todrive
R slowdriving thro ugh standi ngwater
Dr iving thro ugh flow ing waterre duces theper‐
missible ford ing dep thdue totheaccumulation
of wa ter.
Obser vetheno teson off-r oad driving andford ‐
ing (/ page17 6). Te
ch nica lda ta 403

Model
1 1
Fording
dep th
Ve hicl eswith AIRMA TIC
Ra ised leve l1 9.7in(50 cm)
Ve hicl eswith Off-road
pac kage
Of f-road leve l11 9.7in(50 cm) Model
1 1
Fording
dep th
Of f-road leve l21 9.7in(50 cm)
Of f-road leve l32 3.6in(60 cm) Mer
cedes‑Ma ybach
1 1
Fording
dep th
Ra ised leve l1 9.7in(50 cm) Ang
leof appr oach/depar ture
The speci fied values aremaxim umvalues for
ve hicles that arere ady todrive.
Obser vetheno teson driving inmount ainous ter‐
ra in . Ang
leof approac h/dep artu re All
mod els(vehi‐
cles withou t
AMG Styling) 1 1
Front 2 2
Rear
Ve hicl eswith
AI RMA TIC*
Nor mal leve l2 3°20°
Ra ised leve l2 7°24°
Ve hicl eswith
Of f-road package
Nor mal leve l2 3°20° 40
4
Tech nica lda ta

All
mod els(vehi‐
cles withou t
AMG Styling) 1 1
Front 2 2
Rear
Of f-road leve l12 5° 22°
Of f-road leve l22 7° 24°
Of f-road leve l32 9° 26° All
model s(v ehi‐
cle swi th AMG
St yling) 1 1
Front 2 2
Rear
Ve hicl eswith
AI RMA TIC
Nor mal leve l2 1°-22° 20°-21 °
Ra ised leve l2 5°24°
Ve hicl eswith
Of f-road package
Nor mal leve l2 1°-22° 20°-21 °
Of f-road leve l12 3°-24 °2 2°-23° All
model s(v ehi‐
cle swi th AMG
St yling) 1 1
Front 2 2
Rear
Of f-road leve l22 5° 24°
Of f-road leve l32 7°-28° 25°-26° Mer
cedes‑Ma y‐
bac h 1 1
Front 2 2
Rear
Nor mal leve l2 4°21°
Ra ised leve l2 7°25° *Depend
ingonthetir esize.
Maxim umgradien tcli mbing ability
The vehicle's gradient climbing abilitydepends
on thewe ight distribution intheve hicle, thete r‐
ra in con dition sand thero ad sur face condi tions.
The specified va lue applies when:
R theve hicle isready todrive
R theLOW RANGEoff-r oa dge ar ofthetrans‐
fe rcase iseng aged R
thero ad sur faces condi tions andthus the
tr acti onarego od
A grad ient climbi ngability of100% corresponds
to an incline of45 °.
Obse rveth eno teson driving inmount ainous ter‐
ra in . Model
Maximumgra‐
dien tcli mbing
abil ity
Ve hicl eswithout Off-
ro ad pac kage 80%
Ve hicl eswith Off-road
pac kage
When LOWRANGE off-
ro ad gear iseng aged 10
0% Mer
cedes‑Ma ybachM aximumgra‐
dien tcli mbing
abil ity
All mode ls 80% Te
ch nica lda ta 405

Tr
aile rhitc h Gene
ralno teson thetrailer hitch Modif
ications totheengine cooling system may
be neces sary,dependin gon theve hicle model.
The retrof itti ng ofatrai le rhi tc his only perm issi‐
ble ifato wing capac ityisspec ified inyour vehi‐
cle documents.
Fu rther information canbeobt ained ataqu ali‐
fi ed specialis two rkshop. To
wing capacit y The
tongu ewe ight isno tinc luded intheto wing
capac ity. Mod
el Towing capacit y,
br ak ed
All models 7716 .2 lbs(3 500 kg) Mer
cede s‑Maybac hT owing capa city,
br ak ed
All models 7716 .2 lbs(3 500 kg) Maximum
tongue weight andload capacity *
NO
TEDama gecau sed bythetrailer
comin gloose If
th eto ngu ewe ight used istoolow, the
tr ai le rma ycome loose . #
Theto ngu ewe ight mustno tbe belo w
11 0.2 lb(50 kg). #
Use ato ngu ewe ight that isas clo seas
poss ibletothemaximum permissible
to ngu ewe ight . *
NO
TEDama gecau sed bythebicy cle
ra ck comi ngloose Whe
nus ing abi cy cle rack ,bo th themaximal
to ngu ewe ight andthemaximal loadcapacity
should beobser ved. #
Donotexc eed theper missible load
capacity . Obser
vetheadditional noteson load capacity .To
ngue weight Model
Maximumtongue
we ight
All models 617.3 lbs (280 kg) Mer
cede s‑Maybac hM aximum tongue
we ight
All models 617.3 lbs (280 kg) Missing
values werenotye tav ailable atthetime
of going topress.
Load capacit y Model
Maximumload
All models Mer
cedes‑Ma ybachM aximumload
All mode ls Pe
rm issible rear axle load (traile roper ation ) Miss
ingvalues werenotav ailable atthetime of
going topress. 406
Tech nica lda ta

Axle
load Mod
el Axleload
All mod els 4078 .5 lbs(1 850 kg) Mer
cede s‑Maybac hA xleload
All models Te
ch nica lda ta 40
7

Disp
laymes sages Int
roducti on No
tesabout displaymessag es
Displa ymessag esappear onthemultifunc tion
displa y.
Dis play messa geswit hgr aphic symbols aresim‐
plif ied intheOper ator's Manual andmaydif fer
fr om thesymbols onthemultifunc tiondispla y.
The multifunct iondispla ysho wshigh-pr iority dis‐
pla ymessag esinred. Cer tain displa ymess ages
ar eacc ompanied byawa rning tone.
Pl ea se act inacco rdanc ewit hth edispla ymes‐
sag esand follo wtheadditional notesin the
Oper ator's Manual .
Fo rsome display messa ges,asymbol willalso
be sho wn:
R Õ Further information
R 00A4 Hidedispla ymessag e
Wi th thelef t-hand Touc hCon trol, youcan select
th ere spectiv esymbol byswiping tothelef tor
ri ght. Press theÕ symbol tosho wfur ther infor‐ mation
onthemultifunc tiondispla y.Press the
00A4 symbol tohide thedispla ymessag e.
Yo ucan hide low- prior ity displa ymessag esby
pr essing theP buttonorthelef t-hand Touc h
Con trol. The displ aymessa geswill then be
st or ed inthemessag ememor y.
Re ctify thecause ofadispla ymessag eas
qu ickl yas possible .
High- prior ity displa ymess ages can notbe hid‐
den. Themultif unction displa ysho wsthese dis‐
pla ymessag escon tinuousl yuntil thecause of
th edispla ymessag ehas been rectif ied.
Cal ling up save ddispl aymes sages
On-b oard com puter:
4 Service5
1Mes sage
If th er ear eno displa ymessag es,NoMessages
will appear onthemultifunc tiondispla y. #
Scrollth ro ugh thedispla ymessag esby swip‐
ing upw ards ordown wardson thelef t-hand
To uc hCon trol. #
Toexitth emess agemem ory: press the
P button. 408
Displa ymessag esand warning/ indic ator lam ps