2022 MERCEDES-BENZ GLS Owners Manual

*
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

All
v All
vehi cles ehi
cles
* NO NO
TE TE
Dam ageca use dby nume rous or
ex tended attem ptsto star tth eengine Numer
ousorextended attem ptsto star tth e
engine maydamag eth ecat alytic converter
due tonon-c ombusted fuel. #
Avoid numer ousand extended attem pts
to star tth eengine. Obser
vethefo llo wing points during star ting assis -
ta nce and when chargin gth ebatt ery:
R Onlyuse undamag edjum per cables/c harging
cables withasu1cient cross-section and
insulat edterm inal clam ps.
R Non-in sulatedpar tsof thete rm inal clam ps
must notcome intocont actwithot her metal
par tswhile thejum per cable/c harging cable
is connect edtothebatt ery/jum p-startcon-
nection point.
R The jumper cable/c harging cable mustnot
come intocont actwithan ypar tswhic hma y
mo vewhen theengine isrunning. R
Alwaysmak esur eth at nei ther younor thebat-
te ry iselectr ostaticall ych arge d.
R Keep awa yfrom /reand open 0ames.
R Donotlean overth ebatt ery.
Obser vetheadditional follo wing points when
ch argin gth ebatt ery:
R Onlyuse batterych arge rs tested and
ap pro vedfo rMer cedes-Benz.
R Read thebatt erych arge r's oper ating instruc-
tion sbef orech argin gth ebatt ery.
Obser vetheadditional follo wing points during
st ar ting assist ance:
R Startin gassis tance mayonl ybe prov ided
using vehicles, batteries orother jump star t
de vice swit hanomi nalvoltag eof 12 V.
R The vehicles mustno tto uc h.
R V V
ehicles wit ehicles
withag h
agasoline engine: asoline
engine: jump-st artth e
ve hicle onlywhen theengine andexhaus tsy s-
te m arecold. SS
t t
ar ar
ting assist ting
assist anceandc ance
andchar har
ging t ging
the 12 Vbatt he
12 Vbatt ery er
y RR
eq eq
uir uir
ement s: ement
s:
R The vehicle issecur edwithth eelectr icpar k-
ing brak e.
R V V
ehicles wit ehicles
withaut h
aut omatic tr omatic
transmiss ion: ansmiss
ion:The
tr ansmiss ionisin position 005D.
R The vehicle andallelect rical consume rsare
switc hedo..
R The hood isopen . 360360
Br
eakdo wnassis tance

Ex
am ple: enginecom partment #
Slid eco ver1 ofPOSITIVE contact2onthe
jum p-st arting connec tionpoi ntinthedir ection
of thear ro w. #
Connect POSITIVE contact2onyour vehicle
to thepositiv ete rm inal ofthedonor battery
using thejum per cable/c harging cable. Alw
aysbegi nwit hPOS ITIVE contact2on
yo ur ow nve hicle /rst. #
Dur Dur
ingst ing
star ar
tin gassis t tin
gassis tance: ance:
star tth eengine of
th edonor vehicle andrunat idle speed. #
Conne cttheneg ativete rm inal ofthedonor
batt eryand ground point 3ofyour ow nve hi-
cle byusing thejum per cable/c harging cable.
Begin withth edonor battery/r st. #
Dur Dur
ingst ing
star ar
ting assist ting
assist ance: ance:
star tth eengine of
yo ur ow nve hicle. #
Dur Dur
ingt ing
the c he
char har
gingpr gin
gpr ocess: ocess:
star tth ech arg-
ing process. #
Dur Dur
ingst ing
star ar
tin gassis t tin
gassis tance: ance:
letth eengines run
fo rse veralminut es. #
Dur Dur
ingst ing
star ar
ting assist ting
assist ance: ance:
beforedisconnect-
ing thejum per cable, switchon anelectr ical
consumer onyour ow nve hicle, e.g.th ere ar
wind owheat eror lightin g.
When thestar ting assist ance/c harging process is
com plete,per form thefo llo wing steps: #
Firs t, re mo vethejum per cable/c harging cable
fr om ground point 3and theneg ativete rm i- nal
ofthedonor battery, then POSITIVE con-
ta ct 2 and thepositiv ete rm inal ofthedonor
batt ery. Begin each time withth econt acts on
yo ur ow nve hicle /rst. #
ATer remo vingth ejum per cable/c harging
cable, closecover1 ofPOSITIVE contact
2.
Fu rther informatio ncan beobt aine dat aquali/ed
special istwo rkshop. RR
eplaci ngt eplaci
ngthe 12 Vbatt he
12 Vbatt ery er
y #
Obser vetheno teson the12 Vbatt ery
(/ page357).
Mer cedes-Benz recommen dsthat youha ve the
12 Vbatt eryre placed ataqu ali/ed special ist
wo rkshop, e.g.at an aut hor izedMer cedes- Benz
Cen ter.
Obser vethefo llo wing notesif yo uwa nttoreplace
th ebatt eryyo urself:
R Alwaysre place afa ulty batterywit habatt ery
whic hmee tsthespeci/c vehicle requ ire-
ments. Br
eakdo wnassist ance
361 361

The
vehicle iseq uipp edwithan AGMtech nol-
ogy battery (Absor bentGlass Mat)or alith-
ium -ionbatt ery. Fu llve hicle funct ionalityis
onl yguar anteed withan AGMbat tery or lith-
ium-ion battery. Fo rsaf etyre asons, Mercedes-
Ben zre commen dsthat youonl yuse batteries
whic hha ve been tested andap pro vedfo ryo ur
ve hicle byMer cedes-Be nz.
R Carryove rde tach able parts,suc has vent
hos es,elbo w/tting sor term inal covers from
th ebatt erybeing replaced.
R Mak esur eth at theve nt hos eis alw ayscon-
nect edtotheor iginal opening ontheside of
th ebatt ery.
Ins tallan yex istin gor supplied cellcaps.
Ot her wise, gases orbatt eryacid could
escape. R
Mak esur eth at detach able partsarere con-
nect edinthesame way. TT
o o
w st w
star ar
tin gor to ting
ortowing away wing
away OvOv
er er
vie vie
wof t w
of the per he
per mitt mitt
edto ed
towing met wing
methods (not hods
(not
plug -inh plug
-inhybr ybr
id) id)
*
N NO O
TE TE
Damag efrom automati cbr aking If
one ofthefo llo wing functions isswitc hed
on, theve hicle brak es aut omati callyin cer tain
situations:
R ActiveBr ak eAssi st
R ActiveDist ance AssistDIS TRONI C
R HOLD function R
ActivePa rking Assist
To avoid damag eto theve hicle, deactivat e
th ese systems inthefo llo wing orsimilar situa-
tions: #
Duringtowing #
Inacar wash Mer
cedes- Benzre commen dstranspor tingyo ur
ve hicle inthecase ofabr eakdo wn,rather than
to wing itawa y.
Fo rto wing ,use ato w rope ortow bar withbo th
axles onthegr ound. Donotuse tow bar systems.
* N NO O
TE TE
Damag eto theve hicle duetotow-
ing awa yin cor rectl y #
Obser vetheinst ruction sand noteson
to wing away. 362362
Br
eakdo wnassist ance

PP
er er
mitt mitt
edto ed
towing met wing
methods hods
VV
ehicle eq ehicle
equipme nt/t o uipme
nt/t owing met wing
method hod
Bo
t Bo
th axles ont h
axles onthe gr he
ground ound FF
r r
ont axle r ont
axle raised aised RR
ear axle r ear
axle raised aised
4MA TICvehicles Yes,maximum 31miles (50km) at
31 mph(5 0km /h) No
No
Ve hicles withre ar wheel driveY es,maximum 31miles (50km) at
31 mph(5 0km /h) No
Yes,ifth esteer ing wheel is/x ed in
th ecent erposition withasteer ing
wheel lock. TT
o o
wing awa wing
awayt y
the v he
vehic lewit ehic
lewit hbo t h
bo th axles ont h
axles onthe he
gr gr
ound ound
#
Obser vetheno teson theper mitt edtowing
me thods (/page362). #
Mak esur eth at thebatt eryis connect edand
ch arge d.
A disc hargedbatt eryhas thefo llo wing e.ect s:
R The vehicle cannotbe switc hedon R
The electr icpar king brak ecanno tbe released
or applied
R The transmiss ioncanno tbe shiTed toposition
005C or005D
% Ifth etransmission cannotbe shiTed toposi-
tion 005C,orthemultifun ctiondispla yin the
inst rument clusterdoes notsho wan ything,
th eve hicle mustbe transpo rted awa y
( / pag e365). Atowing vehicle withliTi ng eq
uipme ntisrequ ired forve hicle transpor ta-
tion.
* N NO O
TE TE
Dam agedue totowing awayat
ex cessiv elyhigh speeds orove rlong dis-
ta nces The
drivet ra in could bedamag edwhen towing
at excessiv elyhigh speeds orove rlong distan-
ces. Br
eakdo wnassist ance
363 363

#
Atowing speed of30 mph(5 0km /h)
mu stno tbe exceeded. #
Atowing distance of30 mile s(50 km)
must notbe exceeded. &
W W
AR NIN G AR
NIN GRisk ofacciden twhen towing a
ve hicle whichis toohea vy
If th eve hicle tobe tow- star tedor towe dawa y
is hea vier than theper missible gross mass of
yo ur vehicle, thefo llo wing situations can
occur :
R The towing eyema ybecome detach ed.
R The vehicle/ trailer combin ationmay
sw erve orrollo ver. #
Beforeto w- star ting ortowing away,
ch eckif th eve hicle tobe tow- star tedor
to we dawa yex ceeds theper missible
gr oss mass. #
Information ontheper missible gross mass of
th eve hicle canbefound ontheve hicle identi-
/cation plate(/ page407) . #
Donotopen thedr iver's door orfront
passeng erdoor asthetransmission mayot h-
er wise shiTtoposition 005Dautomaticall y. #
Installth eto wing eye(/ page366). #
Fasten theto wing device .
* N NO O
TE TE
Damag edue toincor rect conn ec-
tion oftheto w bar #
Onlyconn ecttheto w rope ortow bar to
th eto wing eyes. %
Youcan also attachth eto w bar tothetrailer
hitc h. #
Deactiv ateth eaut omatic locking mechanism
(/ page76). #
Donotactiv ateth eHOLD function . #
Deactiv ateth eto w- awa yalar m(/ page95). #
Deact ivat eAc tiveBr ak eAssi st(/ page237). #
ShiTthetransmission toposition 005C
(/ page193). #
Release theelectr icpar king brak e. &
W W
ARNIN G ARNIN
GRisk ofaccident duetolimit ed
saf ety-re lat ed functions during theto wing
pr ocess
Saf ety-re lat ed functions arelimit edorno lon-
ge rav ailabl ein thefo llo wing situations:
R The vehicle isswitc hedo..
R The brak esy stem orpowe rst eer ing sys-
te m ismalfun ctioning.
R The ener gysuppl yor theon-boar delectr i-
cal system ismalfunctionin g.
When your vehicle istowe daw ay,signi/cantl y
mor ee.or tma ybe requ ired tosteer and
br ak eth an isnor mall yre qu ired. #
Use ato w bar . #
Mak esur eth at thesteer ing wheel can
mo vefreel ybe fore towing theve hicle
awa y. 364364
Br
eakdo wnassist ance

*
N N
O O
TE TE
Dam agedue toexcessiv etractiv e
po we r If
yo upull awayshar ply, thetractiv epo we r
ma ybe toohigh andtheve hicles couldbe
damag ed. #
Pullawa yslo wly and smoo thly. Loading
t Loading
the v he
vehic lef ehic
lefor tr or
transpo rt anspo
rt #
Obser vetheno teson towing away
( / pag e363). #
Connect theto wing device totheto wing eye
in order toload theve hicle.
% Youcan also attachth eto w bar tothetrailer
hitc h. #
ShiT theaut omatic transmission toposition
005C.
% The automatic transmission maybe lockedin
position 005Dintheev ent ofdamag eto the
electr ics.ToshiT to005C ,pr ov ide theon-boar d
electr icalsystem withpo we r(/ page360). #
Load theve hicle ontoth etranspor ter. #
ShiT theaut omatic transmission toposition
005D. #
Use theelectr icpar king brak eto secur eth e
ve hicle agains tro lling away. #
Onlysecur eth eve hicle bythewheels.
V V
ehicles wit ehicles
withADS PL h
ADS PLUS (A US
(Adap dap
tiv tiv
eDam e
Dam ping Sy ping
Sys- s-
t t
em PL em
PLUS) US)
&
W W
ARNIN G ARNIN
GRisk ofan accident whentrans-
por ting vehicles withAd aptiveDam ping
Sy stem PLUS
When transpo rting vehicles withAdaptive
Dam pingSy stem PLUS, theve hicle/ trailer
combin ationmaybeg into rock and star tto
skid. #
Load theve hicle correctl yont oth e
tr ansp orter. #
Sec ureth eve hicle onallfour wheels
wit hsuit able tensio ning straps . #
Donotex ceed themaximum permissible
speed of35 mph(6 0km /h)wh en tran s-
po rting. *
N NO O
TE TE
Damag eto theve hicle from secur -
ing itinco rrectl y #
ATer loading, theve hicle mustbe
secur edon allfour wheels. Other wise,
th eve hicle could bedamag ed. #
Amin imum distance of8in (20 cm)
upw ards and 4in (10 cm) down wards
must bekept tothetranspor tplatf orm. #
Secur eth eve hicle onallfour wheels aTer
loading. Br
eakdo wnassist ance
365 365

4MA4MA
TICv TIC
vehicles /v ehicles
/vehicles wit ehicles
withaut h
aut omatic tr omatic
trans- ans-
mission mission
#
Mak esur eth at thefront and rear axles come
to rest on thesame transpor tation vehicle.
* N NO O
TE TE
Damag eto thedr ive train due to
incor rect positi oningof theve hicle #
Donotposit iontheve hicle abovethe
conn ectio npoin tof thetranspor tve hi-
cle. TT
o o
wing ey wing
eyest e
stor or
ag ag
elocation e
location Ex
am ple: towing eye
To wing eye1 islocat edunder thecar gocom-
par tment 0oor. InstInst
alling andr alling
andremo emo
ving t ving
the to he
towing eye wing
eye #
Press themar kon cover1 inwa rdsand
re mo ve. #
Screw intheto wing eyecloc kwise asfaras it
will goand tight en.
V V
ehicles wit ehicles
withatr h
atrailer hitc ailer
hitch: h:
vehicles withatrailer
hitc hdo notha ve are ar brac ketfo rth eto wing
ey e. Fasten theto w bar tothetrailer hitch. 366366
Br
eakdo wnassist ance