engine MERCEDES-BENZ GLS 2022 Repair Manual

#
When closing thefuse box,mak esur e
th at theseal ofthelid ispositioned cor-
re ctl yon thefuse box. If
th ene wly inser tedfuse alsoblows,ha ve the
cause traced andrecti/ed ataqu ali/ed special ist
wo rkshop.
Ensur eth efo llo wing beforere placing afuse:
R The vehicle issecur edagains tro lling away.
R Allelec trica lcons umersareswitc hedo..
R The vehicle isswitc hedo..
The elect rical fuse sar elocat edinvarious fuse
bo xes:
R Fuse boxin theengine compartment onthe
leT-h andside oftheve hicle, when viewe din
th edir ection oftrav el (/ page368)
R Fuse boxon thedr iver's side ofthecoc kpit
(/ page369)
R Fuse boxin thefront passeng erfoot we ll
(/ page369) R
Fuse boxin thecar gocom partment onthe
ri ght-h andsideof theve hicle, when viewe din
th edir ection oftrave l(/ page369) Opening
andclosing t Opening
andclosing the fuse bo he
fuse boxin t x
in the engine he
engine
com com
par par
tment tment
RR
eq eq
uir uir
ement ement: :
R Youneed adr yclo thand ascr ewdriver .
Obser vetheno teson elect rical fuse s
(/ page367).
Openi ng Openi
ng &
W W
AR NIN G AR
NIN GRisk ofinjuryfrom using the
wind shield wiperswhen thehood isopen
If th ewindshield wipersst ar tmo ving when the
hood isopen ,yo ucould betrapped bythe
wiper linkage . #
Alwaysswitc ho. thewindshield wipers
and vehicle beforeopen ingthehood. #
Remo veanyex istin gmoistur efrom thefuse
bo xusing adr yclo th. #
Loosen screws2 and remo vefus ebo xlid 1
fr om theto p.
Closing Closing
#
Chec kwhe ther theseal ispositioned correctl y
in thelid. 368368
Br
eakdo wnassist ance

VV
ehicle ehicle
identi/cation ident
i/cationplat plat
e,VIN and engine num- e,
VIN and engine num-
ber ov ber
over er
vie w vie
w
V V
ehicle ehicle
identi/cation ident
i/cationplat e plat
e Ve
hicle identi/cation plate(US Aonl y)
1 Maxim umpermissib legross vehicle weight
2 Maximum permissible front axle load
3 Maximum permissible rear axle load
4 Paint code
5 VIN (vehicle identi/cation number) Ve
hicle identi/cation plate(Canada only)
1 Maxim umpermissibl egr oss vehicle weight
2 Maximum permissible front axle load
3 Maximum permissible rear axle load
4 Paint code
5 VIN (vehicle identi/cation number)
The maximum permissible gross vehicle weight is
made upoftheve hicle weight, allvehicle occu-
pant s,thefuel and theload. Themaximum gross
axle weight rating isthemaximum weight that can
be car ried on one axle (front orrear axle). Te
ch nica ldat a
407 407

Ne
verex ceed themaximum permissible gross
ve hicle weight orthemaximum gross axle weight
ra ting forth efront orrear axle.
VIN infr VIN
infront oft ont
ofthe fr he
front seat ont
seat 1
VIN (vehicle identi/cation number) A A
ddit ionalplat ddit
ionalplat es es
1
Platewit hinf ormatio nabout emissionstest-
ing ,inc ludi ng con/r mati onofem issions
gu idelin es attheU. S. feder alleve las wellas
fo rCalif ornia
2 Engine number stam ped intoth ecr ankcase
3 VIN (vehicle identi/cationnumber) asalabel
at thelowe redg eof thewindshield OperOper
ating ating
0uids 0uids
NNo o
t t
es on oper es
on oper ating ating
0uids 0uids
*
N NO O
TE TE
Mer cedes- AMGvehicles #
Obser vetheno tesin theSupplement.
Yo ucould other wise failto recogn ize
dang ers. &
W W
AR NIN G AR
NIN GRisk ofinjuryfrom oper ating
0uids harmfu lto your healt h
Oper ating 0uids maybe poisonous andharm-
ful toyour healt h. #
Obser vethete xt on theor iginal contain-
er swhen using, stor ing ordisposing of
oper ating 0uids. #
Alwaysst or eoper ating0uids sealed in
th eir original container s. #
Alwayske ep childr enawa yfrom oper at-
in g 0uid s. 408408
Te
ch nica ldat a

#
Chang eimmediat elyout ofclo thing that
has come intocont actwithfu el. Fle
xible -fuel vehicles canberefuel edwith thefo l-
lo wing fueltypes:
R Premium grade unleaded gasolin e
R E85 fuel
R Amixtu reofE85 fueland premium grade
unl eaded gasolin e
Fle xible -fuel vehicles canbeidenti/ed bythe
Et Et
hanol upt hanol
upto E85 o
E85 sticke ron theinside ofthefuel
/ller 0ap.
Depending onthecountr y,thefuels youcan use
in your vehicle maydi.er from theinf ormation in
th eOper ator's Manual. Thefuels that have been
appr ovedfo ryo ur vehicle canbefound onthe
inst ruction labelontheinside ofthefuel /ller 0ap. FF
uel uel
NNo o
t t
es on fuel gr es
on fuel grades f ades
for v or
vehicle swit ehicle
swit hag h
agasolin e asolin
e
eng ine eng
ine
Obser vetheno teson oper ating0uids
(/ page408). *
N NO O
TE TE
Damag ecaused bythewr ong fuel Ev
en small amounts ofthewrong fuelcould
re sult indamag eto thefuel system, the
engine andtheemission controlsystem. #
Onlyre fuel with low- sulf urunl eaded fuel.
This fuel ma ycont ainupto10% ethanol byvol-
ume. Your vehicle issuit able foruse withE10
fuel.
Ne verre fuel with one ofthefo llo wing fuels:
R Diesel
R Gasoline withmor eth an 10% ethanol by
vo lume, e.g.E15, E85, E100
R Gasoline withmor eth an 3% methanol by
vo lume, e.g.M15, M30,M85,M100
R Gasoline withadditiv escont aining metal
If yo uha ve acciden tally re fuel edwith the
wr ong fuel: #
Donotswitc hon theignition . #
Consult aqua li/ed specialist workshop. If
th eav ailabl efu el isno tsu1cie ntlylo w in sulf ur,
th is can produce unpleasa ntodor s.
Onl yre fuel with fuel that has atleas tth eoct ane
number speci/ed intheinst ruction labelinthe
fuel /ller 0ap(/ page 199). Thismayre duce
engin eoutput andincrease fuelconsum ption.
If y If
you w ou
want maximum engineoutput ant
maximum engineoutput: :
onl yre fuel
wi th unleaded premium grade gasolin ewit han
oct ane num berofatleas t91 AKI/95 RON.
As ate mp orarymeasur e,ifth ere commen dedfuel
is no tav ailabl e,youma yalso refuel with unleaded
re gula rga solin ewit hat leas t87 AKI/91 RON.
This mayre duce engineoutput andincrease fuel
consum ption.
Ne verre fuel using gasolin ewit han eve nlowe r
RO N.
* NO NO
TE TE
Prema turewe arcaused byunlea-
ded regula rga solin e Un
leade dre gula rga solin ecan cause the
engine towe armor equ ickl yand impair lon-
ge vity and perform ance. 410410
Te
ch nica ldat a

If
unl eaded premiu mgrade gasolin eis una vail-
able andyouha ve torefuel using unleade d
re gula rga solin e: #
Only/ll thefuel tank tohalf fullwit h
unl eaded regula rga solin eand re/ll as
soon asposs iblewit hun lea ded premi um
gr ade gasolin e. #
Donotdr ive at themaximum speed. #
Avoid sudden accelerationandengin e
speeds over3,000 rpm. Fu
rther informatio non fuel isavailabl eat thefo l-
lo wing locations:
R Ataga sst ation
R Ataqu ali/ed special istwo rkshop
R USAonl y:at http ://www .mbusa.com
N No o
t t
es on addit iv es
on addit ives ing es
ingasolin e(v asolin
e(vehicle swit ehicle
swit ha h
a
g g
asolin eeng ine) asolin
eeng ine)
No tetheinst ruction sabout operating0uids
(/ page408). *
N NO O
TE TE
Damag efrom use ofunsui table
additiv es Ev
en small amounts ofthewrong additivema y
lead tomalfun ctionsoccurring. #
Onlyadd cleaning additives recommen -
ded byMer cedes-Be nztothefuel. Mer
cedes-Benz recommen dsthat youuse brand-
name fuelswithadditiv es.
In some countr ies,thefuel availabl ema yno tha ve
su1cie ntaddit ives. Deposi tscould buildup inthe
fuel injection system asare sult .In this case, in
consult ationwithan aut hor ized Mercedes-Benz
Cent er,mix thefuel withth ecleaning additivere c-
ommen dedbyMer cedes-Be nz.Obs erve theno tes
and mixin gra tios indica tedon theta nk .
T T
ank cont ank
cont entand fuelr ent
and fuelrese rve eser
ve
F F
uel t uel
tank tot ank
total capacit y al
capacit y Mod
el Mod
el
All model s2 3.8gal(90.0 liter s) FF
uel t uel
tank tot ank
total capacit y(Mer al
capacit y(Mer cedes- Ma cedes-
Maybac ybac
h) h)
Mod
el Mod
el
Mer cedes- Maybac h
GL S600 4MATIC 23.
8ga l(90.0 liter s) RR
eser v eser
ve fuel t e
fuel tank ank
ModelModel
All models 2.4gal(9.0 liter s) FF
uel t uel
tank r ank
reser v eser
ve (Mer e
(Mer cedes-Ma cedes-Ma
ybac ybac
h) h)
ModelModel
Mer cedes-Ma ybach
GL S600 4MATIC 3.2
gal(12.0 liter s) Engine
oil Engine
oil NNo o
t t
es on engine oil es
on engine oil
Obser vetheno teson oper ating0uids
(/ page408). Te
ch nica ldat a
411 411

*
N N
O O
TE TE
Engine damageca use dby an inco r-
re ct oil /lter,incor rect oil oradditi ves #
Donotuse engin eoils oroil /ltersot her
th an those whic hmee tth especi/c ations
necessar yfo rth epr escr ibed service
int erva ls. #
Donotalt er theengine oiloroil /lter in
or der toachie velong erchang eint erva ls
th an prescr ibed. #
Donotuse addit ives. #
Have theengine oilchang edaTer the
pr escr ibed interva ls. Mer
cedes-Benz recommen dshavin gth eoil
ch ang edataqu ali/ed special istwo rkshop.
Onl yuse engineoils appr ovedfo ryo ur vehicle by
Mer cedes-Be nz.
Qua lityand capac ityofengine oil Qua
lityand capac ityofengine oil
Engine oil Engine
oilspe ci/cation s spe
ci/cation s Mode
l Mode
l MB-Fr MB-F
reig eig
abe orMB- abe
orMB-
Appro v Appro
val al
GL S450 4MATIC 229.51,229.5 2,
229.6 1,229.7 1
229.7 2*
GL S580 4MATIC 229.52
229.6 1* Engine
oil Engine
oilspe ci/cation s spe
ci/cation s(Mer (Mercede
s‑Ma ced
es‑Ma ybac yb
ac h) h)
Mode
l Mode
l MB-Fr MB-F
reig eig
abe orMB- abe
orMB-
Appro v Appro
val al
Mer cedes-Ma ybac h
GL S600 4MATIC 229.5 *
Re commen dedforlo we stpo ssible fue lco n-
su mp tion (lowe stSA Eviscosity classineac h
case; observepossible restr iction sof the
appr ovedSA Eviscosity classes).
To achie vethelowe stpo ssible fue lco nsum ption,
it is recommen dedtouse theengine oilspeci/c a-
tion smar kedin theta ble forth elowe stSA Evis-
cosity class.Possible restr iction sof theappr oved
SA Eviscosity classesmustbeobser ved.
The follo wing values referto an oilchang e,incl ud-
ing theoil /lter.
Engine oil Engine
oil/lling /lling
capac ity capac
ity ModelModel
Capacity Capacity
GL S450 4MATIC 8.9USqt(8.5 liter s)
GL S580 4MATIC 10.0USqt(9.5 liter s) Engine
oilcapac ity(Mer Engine
oilcapac ity(Mer cedes-Ma cedes-Ma
ybac ybac
h) h)
ModelModel
Capacity Capacity
Mer cedes-Ma ybach
GL S600 4MATIC 10.0
USqt(9.5 liter s) 412412
Te
ch nica ldat a

NN
o o
t t
es on br es
on brak ak
e e
0uid 0uid
No
tetheinst ruction sabout operating0uids
(/ page408). &
W W
AR NIN G AR
NIN GRisk ofan acciden tdue to
va por pockets form ing inthebr ak esy stem
The brak e0uid const antlyabsorbs moisture
fr om theair .This lowe rstheboiling pointof
th ebr ak e0uid. Ifth eboiling pointistoolow,
va por pockets ma yfo rm inthebr ak esy stem
when thebr ak es areapplied hard.
This causes thebr aking e.ect tobe impair ed. #
Have thebr ak e0uid rene we dat the
speci/ed interva ls. Ha
ve thebr ak e0uid replaced regula rly at aqu ali-
/ed special istwo rkshop.
Onl yuse abr ak e0uid approvedby Mer cedes-
Benz accor ding toMB-F reigabe orMB- Appr oval
331. 0. Coolan
t Coolan
t NNo o
t t
es on coolan t es
on coolan t
Obser vetheno teson oper ating0uids
(/ page408). &
W W
AR NIN G AR
NIN G‑Risk of/reand injuryfrom
ant ifre eze
If antifr eeze comes intocont actwithho tcom-
ponent partsintheengine compartment, it
ma yignit e. #
Allo wtheengine tocool down before
addin ganti freeze . #
Mak esur eth at no ant ifre eze spills out
ne xt to the/ller opening. #
Thor oughl yclean o.anyantifr eeze from
com ponent partsbef orestar ting the
ve hicle. *
N NO O
TE TE
Damag ecaused byincor rect cool-
ant #
Onlyuse coolant that has been premix ed
wit hth ere qu ired antifr eeze protection. Inf
ormation oncoolant isavailabl eat thefo l-
lo wing locations:
R IntheMer cedes-Benz Speci/cation for
Oper ating Fluids 320.1
- Athttp s://be vo.mer cede s-benz.c om
- IntheMer cedes-Benz BeVoapp
R Ataqu ali/ed special istwo rkshop *
N NO O
TE TE
Overheati ngathigh outsi detemp er-
atur es If
an inappr opriatecoolant isused, theengine
cooling system isno tsu1cien tly pr otect ed
ag ainst overheating andcorrosion athigh out-
side temp eratur es. #
Onlyuse coolant approvedby Mer cedes-
Benz. #
Obs erve theinst ruction sin the
Mer cedes-Be nzSpeci /cation sfo rOper -
ating Fluids 320.1. Ha
ve thecoolant regula rly re placed ataqua li/ed
specialist workshop. Te
ch nica ldat a
413 413

Pr
opo rtion ofantifr eeze concentr atein theengine
cooling system:
R Aminimum of50% (antifr eezeprotection down
to about -35°F(-37 °C))
R Amaximum of55% (antifre eze protection
do wn to-49°F (-45°C))
Cool antcapacity Cool
antcapacity
Engine coolant Engine
coolant ModelModel
Capacity Cap
acity
GL S450 4MATIC 20.0USqt
(18.9 liter s)
GL S580 4MATIC 16.6USqt
(15.7 liter s) Engine
coolant (Mer Engine
coolant (Mercedes-Ma cede
s-Ma ybac yba
ch) h)
ModelModel
Capacity Cap
acity
Mer cede s-Ma ybach
GL S600 4MATIC 16.6
USqt
(15.7 liter s) NNo o
t t
es on windshield w es
on windshield washer asher
0uid 0uid
Obser
vetheno teson oper ating0uids
(/ page408). &
W W
AR NIN G AR
NIN G‑Risk of/reand injuryfrom
wind shield washer conce ntrate
Wi ndsh ieldwasher conce ntrate ishighl y0am-
mable. Itcould igniteif it comes intocont act
wit hho tengine component partsor the
ex haus tsy stem. #
Mak esur eth at no wind shield washer
conce ntrate spill sout next to the/ller
opening. *
N NO O
TE TE
Damag eto theex terior lightin gdue
to unsuit ablewindshield washer 0uid Un
suit able windshield washer 0uidmaydam-
ag eth eplastic surface oftheex terior lightin g. #
Onlyuse windshield washer 0uidwhichis
also suitable foruse onplastic surfaces,
e.g .MB Sum merF itor MB WinterF it. *
N NO O
TE TE
Bloc kedspr aynozzles cause dby
mixing windshield washer 0uids #
Donotmix MBSummerF itand MBWin-
te rF itwit hot her wind shield washer 0u-
ids. Do
notuse distilled orde-i onized water. Ot her -
wise, the/ll leve lsensor maybe trigg ered erro ne-
ous ly.
Re commen dedwindshi eldwasher 0uid:
R Above freez ing point :e.g. MBSum merFit
R Below freez ing point :e.g. MBWinterF it
Fo rth ecor rect mixin gra tio, referto theinf orma-
tion ontheantifr eeze container .
Mix washer 0uidwithwind shield washer 0uidall
ye ar round. RR
efr efr
ig ig
er er
ant ant
NNo o
t t
es on r es
on refr efr
ig ig
er er
ant ant
Obser vetheno teson oper ating0uids
(/ page408) . 414414
Te
ch nica ldat a

WW
eights andloads eights
andloads Please
note that forth especi/ed vehicle data:
R Items ofoption aleq uipme ntincr ease thecurb
we ight andreduce thepa yload.
R Vehicle-spe ci/cweight information canbe
fo und ontheve hicle identi/cation plate
(/ page407) .
R R
oof load oof
load All
model s All
model s
Maxim umroof load 220lb(100 kg) RR
unni ngboar d unni
ngboar d All
models All
models
Maximum load 440lb(200 kg) O.-rO.-r
oad oad
dr dr
ivin g ivin
g FF
or or
ding depth ding
depth
* NO NO
TE TE
Dama gecaused bywaterwhen
fo rd ing In
thefo llo wing cases watercan pene trat eint o
th eengine compartment andvehicle interior :
R The maximum permissibl efo rd ing dep this
ex ceeded whendrivi ng throu ghstandi ng
wa ter.
R When driving thro ugh thewa tera bo w
wa ve form s.
R Wateraccumula teswhen drivi ng thro ugh
ru nning water. #
Donotex ceed themaximum permissible
fo rd ing dep thand drive slo wly thro ugh
th ewa ter. The
speci/ed value indicat esthemaximum per-
missible ford ing dep thfor:
R Vehicles that arere ady todrive
R slowdriving thro ugh standing water Dr
iving thro ugh 0owing waterre duces theper mis-
sible ford ing dep thdue totheaccumulation of
wa ter.
Obser vetheno teson o.-r oad drivi ng and ford ing
(/ page182). FF
or or
ding depth ding
depth Mode
l Mode
l 1 1
F F
or or
ding depth ding
depth
V V
ehicles wit ehicles
withAIRMA h
AIRMA TIC TIC
Ra ised leve l1 9.7in(50 cm)
V V
ehicles wit ehicles
with h
O.- r O.-
road oad
pac k pac
kag ag
e e418418
Te
ch nica ldat a

All
mod els All
mod els 1 1
Fr Fr
ont ont
2 2
R R
ear ear
O.-r oadleve l22 5° 24°
O.- road leve l32 7°-28° 25°-26° Angle
ofappr Angle
ofappr oac oac
h/depar h/depar
tur tur
e(Mer e
(Mer cedes‑Ma y- cedes‑M
ay-
bac bac
h) h)
MerMer
cedes-Ma y- cedes-M
ay-
bac bac
hGL h
GL S600 S
600
4MA 4MA
TIC TIC
1 1
Fr Fr
ont ont
2 2
R R
ear ear
Nor mal leve l2 4°21°
Ra ised leve l2 7°25° *Depending
onthetir esize.
Maximum gr Max
imumgradien tclimb ingabili ty adien
tclimb ingabili ty
The vehicle' sgr adien tclimb ingabili tydepen dson
th ewe ight distr ibution intheve hicle, thete rrain
cond itions and thero ad sur face condi tions.
The speci/ed value applies when:
R The vehicle isready todrive
R The L L
O O
W RAN W
RAN GE GE
o.-road gear ofthetransf er
case iseng aged R
The road sur face condi tionsand thus thetrac-
tion aregood
A gradien tclimb ingabili tyof 100% correspond sto
an incl ine of45°.
Obser vetheno teson drivi ng inmoun tainous ter-
ra in (/ page182).
Gr Gr
adient climbing ability adient
climbing ability ModelModel
Maximumgr Max
imumgradi- adi-
ent climb ingabil- ent
climb ingabil-
ity ity
V V
ehicle swit ehicle
swit hout hout
O.-r O.-r
oad oad
pac k pac
kag ag
e e
80%
V V
ehicle swit ehicle
swit h h
O.-r O.-r
oad oad
pac k pac
kag ag
e e
When LOWRAN GEo.-road
ge ar iseng aged 100% GrGr
adien tclimb ingabili ty(Mer adien
tclimb ingabili ty(Mer cedes‑ Ma cedes‑
Maybac ybac
h) h)
Mod
el Mod
el Maximumgr Max
imum gradi- adi-
ent climb ingabil- ent
climb ingabil-
ity ity
Mer cedes- Maybac hGL S
600 4MATIC 80% TT
r r
ailer hitch ailer
hitch Gene
r Gene
ral no t al
no tes on t es
on the tr he
trailer hitch ailer
hitch Modi/cations
totheengine cooling system may
be necessar y,depending ontheve hicle model .
The retro/tti ngofatrai le rhi tc his on lyper missi-
ble ifato wing capacity isspeci/ed inyour vehicle
docume nts.
Fu rther informatio ncan beobt aine dat aquali/ed
special istwo rkshop. TT
o o
wing capacit y wing
capacit y The
tongue weight isno tincluded intheto wing
capacity . 420420
Te
ch nica ldat a