2022 MERCEDES-BENZ GLS engine oil

R
Engi neoilleve l:/ll engine oiltothemaximum
le ve lto ensur efull gradeabi lity(/ page337)
R Tire -cha ngeto ol kit and sparewheel
R Tire sand wheels
% Further informatio nabout special all-terrain
tir es forre tro/tti ngcan beobtained from a
qu ali/ed special istwo rkshop.
O.-r O.-r
oad oad
dr dr
ivi ng ivi
ng
Re ad this section beforedr iving your vehicle o.-
ro ad. Practice bydriving overmor ege ntle o.-road
te rrain /rst.
R Obser vetheno teson thecr oss-countr yABS
(/ page211).
R Ifnecessar y,select theF orG drive
pr og ram (vehicles withO.-r oadpackage )
bef oredr iving o.-road (/ page190).
R Beforedr ivi ng o.-r oad, shiTthetransf ercase
to theL L
O O
W RAN W
RAN GE GE
o.-road gear (vehicle swit h
O.-r oadpackage )(/ page198 ).
R Select ave hicle leve lsuit able foro.- road ter-
ra in (/ page249). Toavo iddamaging the ve
hicle, makesur eth er eis alw ayssu1cie nt
gr ound clearance.
R Alwayske ep theengine running andingear
when drivi ng on downhil lgr adien tsand
emban kments.Obser vetheno teson drivi ng in
moun tainous terrain.
R Donotdr ive on unkn ownte rrain that isno t
easil yvisi ble and stay on mar kedro utes.
R Alwayske ep thedoor sand windo wsclosed
while theve hicle isin mo tion .
R Deact ivat eAc tiveDist ance AssistDIS TRONI C
and cruise control.
R Adaptyo ur driving styleto thete rrain.
R Donotuse theHOLD function onsteep down-
hill oruphill gradien tswit hslipp eryor loose
sur faces.
Dr Dr
iving on sand ivi
ng on sand
When drivi ng on sand, alsoobser vethefo llo wing
inst ruction s:
R Select theF drive pr og ram.
R Sele ctahigher vehicle leve l.
R ShiT toalowe rge ar. R
Drive qu ickl yto ove rcome thero lling resis t-
ance; theve hicle mayot her wise digitselfin.
R Drive in thetrac ks ofother vehicles ifpossi-
ble. Makesur eth at thefo llo wing prereq uisit es
ar eme t:
- The tireru ts areno tto odeep
- The sand is/rm enough
- The ground clearance issu1cient
F F
or or
ding ding
Also obser vethefo llo wing information whenford -
ing:
R V V
ehicles wit ehicles
withAIR BOD h
AIR BOD YC Y
CONTR ONTR
OL: OL:
select the
highe stpossibl eve hicle leve l(/ page249).
V V
ehicles wit ehicles
withE- A h
E- ACTIVE BOD CTIVE
BODYC Y
CONTR ONTR
OL: OL:
select thehighest possible vehicle leve l
( / pag e257).
R Drive no faster than 6mp h(1 0km /h).
R Observeth emaximum permissible ford ing
dep th(/ pag e418).
R Switc ho. automatic climatecontr ol
(/ page166). Dr
iving andparking
183 183

R
When theengine isoTen leTidling forlong
per iods
R Oper ation inpar ticular lydust ycondition s
and/or ifair -recir culation modeisfreq uentl y
used
In these orsimilar operating conditions, have the
int erior air/lter,air /lter,engine oiland oil/lter,
fo rex am ple, chang edmor efreq uen tly. The tires
must becheckedmor efreq uentl yif th eve hicle is
oper ated und erincr eased loads. Further informa-
tion canbeobt aine dat aqu ali/ed special istwo rk-
shop. Bat
t Bat
ter er
ydiscon nectionper y
discon nectionperiods iods
The
ASSYST PLUS service interva ldispla ycan cal-
culat eth eser vice duedateonl ywhen thebatt ery
is connect ed. #
Displa yand note down theser vice duedate
on theinst rument displa ybef oredisconne ct-
ing thebatt ery(/ page334). Engine
com Engine
compar par
tment tment
Opening
andclosing t Opening
andclosing the hood he
hood &
W W
ARNIN G ARNIN
GRisk ofaccident duetodriving
wit hth ehood unlocked
The hood mayope nand blockyour vie w. #
Neverre lease thehood when driving. #
Beforeev erytrip, ensur eth at thehood is
loc ked. &
W W
ARNIN G ARNIN
GRisk ofaccident andinjury
when openingand closin gth ehood
The hood maysuddenl ydr op intoth eend
position.
Ther eis arisk ofinjuryfo ran yone inthe
hood's rang eof mo vement. #
Donotopen orclose thehood ifth er eis
a per son inthehood's rang eof mo ve-
ment. &
W W
ARNIN G ARNIN
GRisk ofbur nswhen openin gth e
hood
If yo uopen thehood intheev ent ofan ove r-
heat edeng ineor/rein theengine compart-
ment, thefo llo wing situations mayoccur :
R Youma ycome intocont actwithho tga ses.
R Youma ycome intocont actwithot her
escapin gho toper ating0uids. #
Beforeopen ingthehood, allowthe
engine tocool down. #
Intheev ent ofa/r ein theengine com-
par tment, keep thehood closed andcall
th e/r eser vice. &
W W
ARNIN G ARNIN
GRisk ofinjur ydue tomo ving
par ts
Com ponen tsintheengine compartment may
continue torunor star tune xpectedl yev en
when thedr ive sy stem isswitc hedo..
Obser vethefo llo wing ifyo umust open the
hood: Main
tenanc eand care
335 335

#
Switcho. theve hicle. #
Neverto uc hth edang erzones surround-
ing moving components, e.g.thero tation
ar ea ofthefa n. #
Remo vejewe leryand watches . #
Keep items ofclo thing and hair away
fr om moving parts. &
W W
AR NIN G AR
NIN GRisk ofinjuryfrom touc hing live
com ponents
The ignition system and thefuel injection sys-
te m oper atewit hahigh voltag e. Youcould
re ceiv ean elect ric shoc k. #
Neverto uc hcom ponents oftheignition
sy stem orfuel injection system when the
ve hicle isswitc hedon. The
livecom pone ntsincl ude thefo llo wing, for
ex am ple:
R Ignition coils
R Fuelinject ors R
Electr iclines totheignition coilsandthefuel
inject ors &
W W
ARNING ARNING
Riskofbur nsfrom hotcom po-
nent partsintheengine compartment
Cer tain com ponent partsintheengine com-
par tment canbevery hot,e.g .th eengine, the
cooler andpartsof theex haus tsy stem. #
Allow theengine tocool down and only
to uc hcom ponent partsdescr ibedinthe
fo llo wing. &
W W
ARNIN G ARNIN
GRisk ofinjur yfrom 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 theve hicle /rst ifyo uneed toopen
th ehood. Opening
t Opening
the hood he
hood #
Torelease thehood, pullonhandle 1. 336336
Maint
enance andcare

#
Push handle 1ofthehood catchupw ards
and liTthehood untilitopens automaticall y.
Closing t Closing
the hood he
hood
* NO NO
TE TE
Damag eto thehood If
th ehood isclosed manuall y,ther eis arisk
of den ts. #
Donotclose thehood manuall y. #
Lowe rth ehood toaheig htofaroun d8 in
(20 cm) andthen allo witto fall, appl ying alit-
tle forc eas youletit go. #
Ifth ehood canstillbeliTed slightl y,open the
hood again and close itwit halit tle mor efo rc e
until iteng ages cor rectl y. Engi
neoil Engi
neoil ChecChec
kingt king
the eng ineoillev he
eng ineoillevel using t el
using the on-bo ard he
on-bo ard
com com
put put
er er
R R
eq eq
uir uir
ement s: ement
s:
R The enginehas been warmed up.
R The vehicle ispar kedon aleve lsur face.
R The engineisrunning atidle speed.
R The hoodis clo sed .
The engine oilleve lis de term ined during driving.
De term ining theengine oilleve lcan take up to
30 minut eswithanor mal driving styleand even
long erwit han activ edr iving style. On-boar
dcom puter:
4 Service 5
Engine OilLevel
One ofthefo llo wing messa geswill appear onthe
inst rument displa y:
R Measuring EngineOil Level... :meas urement
of theoil leve lis no tye tpos sible. #
Repeat there qu est aTer amaximum of
30 minut es'driving.
R Engine OilLevel OKand thebar displa yfo r
indicating theoil leve lon theinst rument dis-
pla yis green and isbe tween "min" and"max":
th eoil leve lis cor rect.
R Engine OilLeve lAdd 1,1qts. andthebar dis-
pla yfo rindicating theoil leve lon theins tru-
ment displa yis orang eand isbelo w"min": #
Add1.1 USqt(1l)of engin eoil.
R Red uce Engine OilLevel andthebar displa y
fo rindicating theoil leve lon theinst rument
displa yis orang eand isabo ve"max": Main
tenanc eand care
337 337

#
Drain o.anyex cess engineoilthat has been
added. Todo so, consult aqua li/ed specialist
wo rkshop.
R For Engine OilLeve lSwi tch Ignition On #
Switchon theve hicle tocheckth eengine oil
le ve l.
R Engine OilLevel System Inoperative: Theoil
le ve lsensor isdef ectiv eor notconnect ed. #
Consult aqua li/ed specia listworkshop.
R Engine OilLeve lSys tem Currentl yUnav ail. #
Close thehood.
R R
e/lling e/lling
engine oil engine
oil &
W W
ARNIN G ARNIN
GRisk ofbur nsfrom hotcom po-
nent partsintheengine compartment
Cer tain com ponent partsintheengine com-
par tment canbevery hot,e.g .th eengine, the
cooler andpartsof theex haus tsy stem. #
Allow theengine tocool down and only
to uc hcom ponent partsdescr ibedinthe
fo llo wing. &
W W
ARNIN G ARNIN
GRisk of/reand injur yfrom
engine oil
If engine oilcomes intocont actwithho tcom-
ponent partsintheengine compartment, it
ma yignit e. #
Mak esur eth at no eng ineoilisspill ed
ne xt to the/ller opening. #
Allo wtheengine tocool o.and thor -
oughl yclean theengine oilfrom com po-
nent partsbef orestar ting theve hicle. *
N NO O
TE TE
Eng inedamag ecaused byan inco r-
re ct oil /lter,incor rect oil oradditi ves #
Donotuse engin eoils oroil /lterswhic h
do notcor respond tothespeci/c ations
ex plicitl ypr escr ibed forth eser vice inter-
va ls. #
Followtheinst ruction son theser vice
int erva ldispla yfo rch ang ingtheengine
oil and obser vethepr escr ibed chang e
int erva ls. #
Donotuse additiv es. *
N NO O
TE TE
Damag ecaused byre/lli ng too
muc hengi neoil To
omuc hengin eoil can damag eth eengine or
th ecat alytic converter . #
Have excess engineoilremo vedat a
qu ali/ed special istwo rkshop. %
Depen dingon drivi ng style, theve hicle con-
sumes upto0.9 USqt(0.8 liter) ofoil per
600 miles (1000 km).Theoilconsum ption
ma ybe higher than this when theve hicle is
ne wor ifyo ufreq uentl ydr ive at high engine
speeds.
% Depending ontheengine, thecap maybe
inst alled intheengine compartment indi.er -
ent locations. 338338
Maint
enance andcare

#
Turn cap 1count er-cloc kwise andremo veit. #
Addengin eoil. #
Replace cap1and turnit cloc kwise untilit
eng ages. #
Chec kth eoil leve lag ain (/ page337). ChecChec
kingt king
the coolant lev he
coolant level el
&
W W
ARNIN G ARNIN
GRisk ofinjur ydue tomo ving
par ts
Com ponen tsintheengine compartment may
continue torunor star tune xpectedl yev en
when thedr ive sy stem isswitc hedo..
Obser vethefo llo wing ifyo umust open the
hood: #
Switcho. theve hicle. #
Neverto uc hth edang erzones surround-
ing moving components, e.g.thero tation
ar ea ofthefa n. #
Remo vejewe leryand watches . #
Keep items ofclo thing and hair away
fr om moving parts. &
W W
AR NIN G AR
NIN GRisk ofbur nsfrom hotcom po-
nen tpar tsintheengine compartment
Cer tain com ponent partsintheengine com-
par tment canbevery hot,e.g .th eengine, the
cooler andpartsof theex haus tsy stem. #
Allow theengine tocool down and only
to uc hcom ponent partsdescr ibedinthe
fo llo wing. &
W W
ARNIN G ARNIN
GRisk ofscalding from hotcool-
ant
If yo uopen thecap, youcould bescalde d. #
Letth emo torcool down beforeopening
th ecap. #
When opening thecap, wearprotectiv e
glo vesand safetygl asses. #
Open thecap slowly torelease pressur e. Maint
enance andcare
339 339

To
avo iddamag eto your vehicle, observethefo l-
lo wing when usingapo we rwa sher :
R The Smar tKey isat aminimum distance of
10 T(3 m) awa yfrom theve hicle. Other wise,
th eta ilg atecould openunintentionall y.
R Maint ainadist anceof atlea st11.8 in(30 cm)
to theve hicle.
R V V
ehicle swit ehicle
swit hdecor h
decor ativ ativ
ef e
foil: oil:
Parts of your
ve hicle areco veredwit hadecor ativefo il.
Maint ainadist ance ofatleast 27.6in(70 cm)
be tween thefo il-co veredpar tsof theve hicle
and thenozzl eof thepo we rwa sher .Mo vethe
po we rwa sher nozzlearoun dwhils tclean ing.
The waterte mp eratur eof thepo we rwa sher
mus tno tex ceed 140°F(60°C) .
R Obser vetheinf ormation onthecor rect dis-
ta nce intheeq uipment manufacturer'soper -
ating instruction s.
R Donotdir ect thenozzl eof thepo we rwa sher
dir ectl yat sensi tivepar ts,suc has tires, gaps,
electr icalcom ponent s,batt eries, light sources
and ventila tion slits. WW
as hing t as
hing the v he
vehi cle b ehi
cle by ha nd y
ha nd *
N NO O
TE TE
Engine damagedue towa tering ress #
Take car eno tto point thewa terje t
dir ectl yto wa rdsth eair inle tgr ille belo w
th ehood. Obser
vetheleg alrequ irements, e.g.inanumber
of countr ies,washing byhand isonl yper mitt edin
special lydesignat edwash bays. #
Use amild clean ingagent ,e.g .car sham poo. #
Washtheve hicle withluk ewarm wa terusing a
soT carspong e.When doingso,donot
ex pose theve hicle todirect sunlight. #
Carefull yhose theve hicle o.withwa terand
dr yusing ach amois.
% Obser vetheno teson thecar eof vehicle
par ts(/ page346). NNo o
t t
es on pain tw es
on pain twor or
k/mat t k/mat
te e
/nish /nish
paintw pain
twor or
kcar e k
car e To
avo iddamaging thepaintw orkand interfering
wit hth edr iving assist ancesystems, please
obser vethefo llo wing notes: P P
aint aint
R Insect remains: soakwithinsect remo verand
ri nse o.thetreat edareas aTer wards.
R Birddr oppin gs:soak withwa terand rinse o.
aT erwa rds.
R Tree resin, oils, fuels and greases: remo veby
ru bbing gentl ywit haclo thsoak edinpe tro-
leum ether orlighter 0uid.
R Coolan tand brak e0uid: remo vewit hadam p
clo thand clean water.
R Tarst ains: usetarre mo ver.
R Wax:use silicone remo ver.
R Donotatt achsti ckers, /lms orsimilar materi-
als. Onlyha ve /lm attached tothebum perat
a qua li/ed specialist workshop.
R Remo vedirtimmediat ely, wher epossibl e.
Mat t Mat
te e
/nish /nish
R Onlyuse carepr oduct sappr oved for
Mer cedes-Be nz.
R Donotatt achstic kers,/lms orsimil armat eri-
als. Onlyha ve /lm attached tothebum perat
a qu ali/ed special istwo rkshop. 344344
Main
tenanc eand care

R
Donotpolish theve hicle andalloywheels.
R Onlyuse carwashes that cor respond tothe
lat est engineer ingstandar ds.
R Donotuse carwash prog ram wit ha/nal hot
wa xtreatme nt.
R Donotuse pain tclean ers, bu1ng orpoli shing
pr oduct s,glo sspreser vers,e.g .wa x.
In theev ent ofpaintw orkdamag e:
R Alwaysha ve paintw orkre pair scar ried out ata
qu ali/ed special istwo rkshop.
R Mak esur eth era dar sensor sfun ction
(/ page209). NNo o
t t
es on cleaning decor es
on cleaning decorativ ativ
ef e
foils oils
Obser
vetheno teson matt e/nish carein the
ch ap ter"No teson pain twork/mat te/nish paint-
wo rkcar e"(/ page344). Theyalso applyto
matt edecor ativefo ils.
Obser vetheno teson clean ingdecor ativefo ils to
avo idvehicle damag e. Clean
ing Clean
ing
R Forcleaning, useplenty ofwa terand amild
cleaning agent without additiv esorabr asiv e
subst ances, e.g.acar sham pooappr ovedfo r
Mer cedes-Be nz.
R Remo vedirtimmediat ely, wher epossibl e,
whils tav oiding rubbing toohar d.Ther eis oth-
er wise arisk ofdamagi ngthedecor ativefo il
ir re par ably.
R Ifth er eis dir ton the/n ish orifth edecor ative
fo ilis dull: UsethePa int Cleaner recommen -
ded andappr ovedfo rMer cedes-Benz.
R Insect remains: Soakwithinsect remo verand
ri nse o.thetreat edareas aTer wards.
R Birddr oppin gs:Soak withwa terand rinse o.
aT erwa rds.
R Toprev ent waterst ains, drya fo il-wr apped
ve hicle withasoT, absorbe ntclo thaTer every
car wash.
Av Av
oiding damag oiding
damag et e
to t o
the decor he
decor ativ ativ
ef e
foil oil
R The service life and color ofdecor ativefo ils
ar eim pair edby:
- Sunl ight -
Temp eratur e,e.g. hotair blower
- Weather cond itions
- Stone chippings anddirt
- Chemica lcleaning agents
- Oilypr oducts
R Donotuse polish onmatt edecor ativefo il.
Po lishing willhave thee.ect ofshining the
fo il-wr apped surface.
R Donottr eat matt eor stru ctur eddecor ative
fo ils wit hwa x.Pe rm anen tst ains mayoccur .
Scr atches, corrosiv edeposi ts,areas a.ect edby
cor rosion anddamag ecaused byincor rect car e
canno talw aysbe com pletely repair ed. Insuc h
cases, visitaqua li/ed specialist workshop.
Yo ucan obtain mor einf ormation oncar eand
cleaning products from themanuf acturer.
In thecase offoil-wr apped surfaces, optical di.er -
ences mayoccur between thesur faces that we re
no tpr otect edbyadecor ativefo ilaTer remo vinga
decor ativefo il. Maint
enance andcare
345 345