2022 MERCEDES-BENZ GLS service

MerMer
cedes-Be nzeme rg cedes-B
enzemer gency callsyst ency
callsystem em
InfInf
or or
mation ont mation
onthe Mer he
Mer cedes-B enzemer g cedes-B
enzemer gency ency
call syst call
system em
Yo
ur vehicle iseq uipp edwithth eMer cedes-Benz
emer gency callsy stem ("eCa ll"). This featur ecan
help save lives intheev ent ofan accident. eCall
in no wayre places assistanceprov ided from dial-
ing 911.
Mer cedes-Benz eCallonlyfunctions inareas
wher emobile phonecoverage isavailabl efrom
th ewir eless service prov ider s.Ins u1cient net-
wo rkcoverage from thewir eless service prov ider s
ma yre sult inan emer gency callno tbeing trans -
mitt ed.
eCa llis ast anda rdfeatur ein your Mer cedes-Benz
ve hicle. Inorder tofunc tionas intend ed,th esy s-
te m relies onthetransmission ofdat ade tailed in
th e"Mer cedes-Benz emergency callsy stem data
tr ans mission"sec tion that follo ws (/ pag e325).
To disable eCall,acust omer mustvisitanaut hor -
ized Mercedes-Benz Service depar tment todeac-
tiv ateth eve hicle' scommun icationmodul e. Deact
iv Deact
ivation oft ation
ofthis modul epr ev his
modul epr ev ents t ents
the activ he
activ a- a-
tion ofan tion
ofanyand allMer y
and allMer cedes meconnect serv- cedes
meconn ectserv-
ices. ices.
ATer ATer
t t
he deactiv he
deactiv ationofeCall, aut ation
ofeCall, automatic omatic
emer g emer
gency calland manual emerg ency
calland manual emergency callwill ency
callwill
no no
tbe av t
be availabl e. ailabl
e.
The vehicle mustbe switc hedonbeforean aut o-
matic emergency callca nbe made.
% eCallis ac tivated atthefa ct or y.
% eCall canbedeactiv ated byan aut hor ized
Mer cedes- Benzdeale r.Plea senote that inthe
ev ent owner ship of theve hicle istransf erred
to ano ther ow ner inits dea ctivated stat e,
eCa llwil lre main deactiv ated unless thene w
ow ner visitsan aut hor ized Mercedes-Be nz
dea lership to reactiv ateth esy stem. OvOv
er er
vie vie
wof t w
of the Mer he
Mer cedes-Benz emerg cedes-Benz
emergency call ency
call
sy st sy
stem em
eCall
canhelp toreduce thetime between an
accident andthear riva lof emer gency service sat
th esit eof theaccident. Ithelps locatean acci-
dent sitein places that aredi1cu ltto access.
Ho wev er,ev en ifave hicle iseq uipp edwitheCall ,
th is does notmean thesy stem isON .As suc h, eCall
doesnotre place dialing 911intheev ent of
an accident.
An emer gency callca nbe made aut oma tically or
ma nual ly.
Onl ymak eemer gency calls ifyo uor other sar ein
nee dof rescue. Donotmak ean emer gency callin
th eev ent ofabr eakdo wnorasimilar situation.
Messag Messag
eson t es
on the displa y he
displa y
SOS NOTREAD Y:theve hicle isno ton oreCall not
av ailabl e.
Dur inganactiv eemer gency call, app ears
in thedispla y.
Yo ucan /ndmor einf ormation onthere giona l
av ailabi lityof eCall at:http s://www .mercedes-
ben z-mobil e.com/e xtra/ecal l/
% Ifth er eis amalfunction intheMer cedes-Benz
emer gency callsy stem (e.g.ama lfunct ion
wit hth espeak er,micr ophone, airbag,SOS
butt on), acor respond ingmessag eappear son
th edispla yin theinst rument cluster. MBUX
multimed iasystem
323 323

R
The TuneIn Radio service isactiv ated inthe
Mer cedesme Portal.
R The datavo lume isavailabl e.
Depen dingon thecountr y,dat avo lume may
need tobe pur chased.
R Afast Inte rn et conn ectio nfo rdat atransmis-
sion free ofinterfere nce.
% Datavo lume canbepur chased dir dir
ectl ectl
yfr y
from om
a mobil ephon ene a
mobil ephon ene tw tw
or or
kpr o k
pr ovid er vid
ervia the
Mer cedesme Portal.
% The funct ionsand service sar ecoun try-
dependent .Fo rmor einf ormation, consultan
aut hor ized Mercedes-Benz Center.
Multimedia system:
4 © 5
Rad io #
Select TuneIn Radio.
The TuneIn menu appears.The laststatio nse t
st ar ts pla ying .
% The conne ctionqu alit ydepen dson thelocal
mobile phonerecep tion . SeSe
tting up sat tti
ng up satellit ellit
er e
radio adio
RR
eq eq
uir uir
emen ts: emen
ts:
R Satellit era dio equipment isavailabl e.
R Registr ationwit hasa tellit era dio prov ider has
been completed.
R Ifre gistr ationis no tinclu dedwhen purc hasing
th esy stem, your credit cardde tails will be
re qu ired toactiv ateyo ur account.
Multimedia system:
4 © 5
Þ Radio5
SiriusXM
5 Z Options #
Select Service Information.
The service information screen appear ssho w-
ing thera dio IDand thecur rent sub script ion
st atus. #
Establish ate lephone connection. #
Followtheser vice sta.'s instruction s.
The activ ation process mayta ke up toten
minut es.
% Youcan also have thesat ellit eser vice activ a-
te donline. Todo so, please visithttps:// www
.siriusxm.com (USA)orhttps://
www .siriusxm.ca (Canada). Music
andspor Music
andspor taler t
aler ts ts
Multimedi
asy stem:
4 © 5
Radio 5
Siriu sXM 5
Z
5 Alerts
Se Se
ttin gmusic andspor ttin
gmusic andspor taler t
aler ts ts
This function enables youto prog ram an aler tfo r
yo ur favo rite artis ts, trac ks orspor tingevents.
Music alertscan besavedwhilst atrac kis being
pla yedand spor taler tscan besaveddur ing aliv e
ga me. Youcan also specify sportaler tsvia the
menu option. Thesystem then continuousl y
sear ches thro ugh allthech ann els. #
Seta music orspor tsaler t,to be informed of
matc hesintheLiv epr og ram.
A A
ctiv ctiv
ating t ating
the music inf he
music infor or
mation function mation
function #
ActivateMusic Alerts0073.
Se Se
tting amus icaler t tting
amus icaler t #
Select AddAlert . 332332
MBUX
multimediasystem

ASS
YS ASS
YSTPL T
PL US ser US
service int vice
interv er
val dis pla y al
dis pla y FF
uncti onoft uncti
onofthe ASS YS he
ASSYST PL T
PL US ser US
service int vice
interv er
val dis - al
dis -
pla y pla
y The
ASSYSTPL US service interva ldispla yon the
inst rument displa yinf orms youof thetime ordis-
ta nce remainin gbef oreth ene xt ser vice duedate.
Yo ucan hide this ser vice displa yusing theG
bac kbutt onon theleT-h andside ofthesteer ing
wheel.
Depending onhowtheve hicle isused, the
ASS YSTPL US service interva ldispla yma yshor ten
th eser vice interva l,e.g. inthefo llo wing cases :
R Mainl yshor t-dist ance driving
R When theengine isoTen leTidling forlong
per iods
R Intheev ent offreq uent coldstar tphases
Mer cedes-Benz recommen dsavo iding suchoper -
ating conditions.
Yo ucan obtain information concerningtheser vic-
ing ofyour vehicle from aqu ali/ed special ist
wo rkshop, e.g.an aut hor izedMer cedes- BenzCen -
te r. DisplaDispla
yingt ying
the ser he
ser vice duedate vice
duedate On-boar
dcom puter:
4 Service 5
ASSYST PLUS
The next ser vice duedateis displa yed. #
T T
o e o
exit t xit
the displa y he
displa y: :
pr ess theG backbut-
to non theleT-h andside ofthesteer ing wheel.
Bear inmind thefo llo wing relat ed topic:
R Oper ating theon-boar dcom puter
(/ page284). InfInf
or or
mation onr mation
onregular maint egular
maintenance w enance
wor k or
k *
N NO O
TE TE
Prematur ewe arthro ugh failur eto
obser veser vice duedates Main
tenanc ewo rkwhic his no tcar ried out at
th eright time orinco mplete ly can lead to
incr eased wearand damag eto theve hicle. #
Adher eto thepr escr ibed service inter-
va ls. #
Alwaysha ve thepr escr ibed maint enance
wo rkcar ried out ataqua li/ed specialist
wo rkshop. NNo o
t t
es on special ser es
on special service r vice
req eq
uir uir
emen ts emen
ts The
prescr ibed service interva lis based onnor -
mal oper ation oftheve hicle. Have themaint e-
nance workcar ried out mor eoTen than prescr i-
bed ifoper atingcond itions aredi1cu ltor the
ve hicle issubj ecttoincr eased stress.
The ASSYSTPL US service interva ldispla yis onl y
an aid. Thedriver oftheve hicle bearsre sponsi bil-
ity asrega rdsto whe ther maint enance work
need sto be per form ed mor eoTen than speci/ed
based ontheactual operating conditions and/or
loads.
Ex am ples ofarduous operating conditions:
R Regula rcity driving withfreq uent intermedi ate
st ops
R Mainl ysh ort-dist ance driving
R Freq uent operation inmount ainous terrain or
on poor road sur faces 334334
Main
tenanc eand care

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

#
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

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

SeSe
tting up t tti
ng up the w he
war ar
ning tr ning
tria ngle ia
ngle #
Foldside re0ect ors1 upw ards toform atri-
ang leand attachat theto pusing upper press-
stu d2. #
Foldlegs 3down and outtotheside. FF
ir s ir
st- aid kit t-aid
kit(soT- sided) (soT-
sided) ov ov
er er
vie w vie
w When
delivered from thefa ct or y, the/r st-aid kit
(soT sided) isin thecar gocom partment onthe
ri ght-h andsidebeh indservice 0ap1. Fla
ttir e Fla
ttir e NNo o
t t
es on es
on 0at 0a
ttir tir
es es
&
W W
ARNI NG ARNI
NGRisk ofaccid ent due toa0at
tir e
A 0at tirese verely a.ects thedr iving charac-
te risti cs aswellas thesteer ing and braking of
th eve hicle. TT
ir ir
es wit es
without hout
r r
un-0at un-0at
c c
har har
act act
er er
is is
tics: tics:
#
Donotdr ive wit ha0at tire. #
Chang eth e0at tireimmediat elywit han
emer gency sparewheel orspar ewheel.
Alt ernat ivel y, consul ta qu ali/ed special -
is two rkshop.
T T
ir ir
es wit es
with h
r r
un-0at un-0at
c c
har har
act act
er er
is is
tics: tics:
#
Obser vetheinf ormation andwarning
no teson MOExt endedtires (run-0at
tir es). In
theev ent ofa0at tire, thefo llo wing options are
av ailabl edepen dingon your vehicle' seq uipme nt:
R V V
ehicle swit ehicle
swith MOExt h
MOExt endedtir end
edtires: es:
itis possibl e
to cont inueth ejour neyfo ra shor tper iod of
time. Makesur eyo uobser vetheno teson
MOExt endedtires (run-0at tires)
(/ page352) .
R V V
ehicle swit ehicle
swit haTIR EFIT kit: h
aTIR EFIT kit:youcan repair the
tir eso that itis possibl eto cont inueth ejour -
ne yfo ra shor tper iod oftime. Todo this, use
th eTIREFIT kit(/ page353). Br
eakdo wnassist ance
351 351

*
N N
O O
TE TE
Dam ageto thebatt eryfrom over-
vo ltag e When
chargin gusin gabatt erych arge rwit hout
a maximum chargin gvo ltag e, thebatt eryor
th eon-boar delectr onics maybe damag ed. #
Onlyuse batterych arge rs wit hamaxi-
mum chargin gvo ltag eof 14.8 V. &
W W
ARNI NG ARNI
NGRisk ofexplosion duetoigniting
hy drog en gas
If th er eis ashor tcir cuit orspar ksstar tto
fo rm when chargin gabatt ery, ther eis adan-
ge rof thehy drog en gasign iting . #
Take car eth at thepositiv ete rm inal ofa
connect edbatt erydoes notcome into
cont actwithve hicle parts. #
Neverplace metalobjects ortools ona
batt ery. #
When connecting anddisconnecting the
batt ery, alw aysobser vetheseq uence of
batt eryte rm inals descr ibed. #
Alwaysta ke car eto conn ectonlybatt ery
te rm inals ofidentical polaritywhen jump
st ar ting ave hicle. #
Duringstar tin gassis tance, itis ess entia l
to obser vetheseq uence describedfor
conn ectingand discon nectingthe
jum per cable s. #
Donotco nnec tor dis connec tth ebat-
te ry term inals while theengine isrun-
ning. &
W W
ARNI NG ARNI
NGRisk ofexplosion duetoamix-
tur eof explosiv ega ses
A mixtu reofexplosiv ega ses can escape from
th ebatt erydur ing chargin gand jump star tin g. #
Fire ,open 0ames, smokingand creati ng
spar ksmust beavo ided. #
Mak esur eth at ther eis su1cien tve ntila -
tion. #
Donotst and overth ebatt ery. &
W W
ARNI NG ARNI
NGRisk ofexplosion from afrozen
batt ery
A disc hargedbatt eryma yfreeze attemp era-
tur es slightl yabo veorbelo wfreezin gpoint.
Dur ingstar ting assist anceorbatt erych argin g,
batt eryga scan bereleased. #
Alwaysallo wabatt eryto thaw before
ch argin git or per form ing star ting assis -
ta nce. If
th eindicat or/warning lampsintheinst rument
clust erdo notlight upatlow temp eratur es,itis
ve ry likelyth at thedisc hargedbatt eryhas frozen.
In this case youma yneit her jump-st artth eve hi-
cle nor charge thebatt ery.
The service life of abat tery that has been thawe d
ma ybe dramaticall yshor tened. Thestar ting char-
act eristics maybe impair ed,especi allyat low
te mp eratur es.
It is recommen dedthat youha ve ath awe dbatt ery
ch eckedat aqu ali/ed special istwo rkshop. Br
eakdo wnassis tance
359 359