2020 MERCEDES-BENZ GLS SUV open hood

#
Con tinue turnin gcap 1count er-cloc kwis e
and remo veit.
The coolan tle ve lis cor rect inthefo llo wing
cases :
R Ifth eengine iscold, uptomar kerbar 2
R Ifth eengine iswa rm,up to0.6 in(1.5 cm)
ove rmar kerbar 2 #
Ifnecessar y,add coolant that has been
appr ovedfo rMer cedes-Benz.
R Further information oncoolant (/page558) Ad
ding washer fluid tothewindsh ield
wa sher system &
WARNIN GRisk ofburnsfrom hotcom‐
ponent partsintheengine compartmen t
Cer tain com pone ntsin theengine compart‐
ment canbevery hot,e.g. theengine, the
ra diat orand partsof theex haus tsy stem. #
Allo wtheengine tocool down and only
to uc hco mp onent partsdescr ibedin
th efo llo wing. &
WARNIN GDang erofburnswhen open‐
ing thehood
If yo uopen thehood when theengine has
ove rheat edordur ing afire intheengine
com partmen t,yo uco uld come intoco ntact
wit hho tga ses orother escaping operating
fl uids. #
Beforeopen ingthehood, allowthe
engine tocool down. #
Intheeve ntofafire intheengine com‐
par tmen t,ke ep thehood closed and
call thefire ser vice. &
WARNIN G‑Ri sk offire and injuryfrom
wind shieldwa sher concen trat e
Wi ndsh ield wa sher concen trat eis highl y
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. #
Remo vecap 1bytheta b. #
Addwa sher fluid.
R Further information aboutthewa sher fluid
(/ page55 9) 482
Maintenance andcare

Ke
eping theair -water duct free #
Keep thear ea between thehood andthe
winds hieldfree ofdepos its,e.g .ice, snow
and leaves. Cleani
ngand care Inf
ormat iononwashing theve hicl ein acar
wa sh &
WARNIN GRisk ofacci dent dueto
re duced braking effect afte rwa shing the
ve hicle
The braking effect isreduced afte rwa shing
th eve hicle. #
Afterth eve hicle hasbeen washed,
br ak ecar efully whilepaying attention to
th etraf fic condi tions untilth ebr aking
ef fect hasbee nful lyrestor ed. *
NO
TEDama gedue touns uitable car
wa sh #
Beforedr iving intoacar wash mak e
sur eth at thecar wash issuit able for
th eve hicle dimensions. #
Ensur eth er eis suf ficie ntgrou nd clear‐
ance between theunderbody andthe
guide rails ofthecar wash. #
Ensur eth at theclear ance widthof the
car wash, inpar ticular thewidt hof the
guide rails, issuf ficie nt. To
avo iddamag eto your vehicle when usinga
car wash, ensur eth efo llo wing beforehand:
R ActiveDis tance AssistDIS TRONI Cand the
HOLD functio nar edea ctivated.
R The 360° Camer aor there ar vie wcam erais
swit ched off.
R The side windo wsand slidin gsun roof are
com pletely clos ed.
R The outsid emir rors arefo lded in.
R The blowerfo rth eve ntil ation/he ating is
sw itched off. R
The windsh ield wipe rsw itchis in po sitio n
005A.
R The Sma rtKe yis at amin imum distance of
10 ft(3 m) away from theve hicle, other wise
th eta ilg atecould openunintentio nally.
R Incar washes withacon veyo rsy stem: neu‐
tra l005C iseng aged.
% Drive st ra ight andinthecent eroftheguide
ra ils ofthecar wash topreve ntdama geto
th etir es and rims.
% Incar washes withacon veyo rsy stem: ifyo u
wo uld liketo lea vetheve hicle while itis
being washed, makesur eth eSmar tKey is
locat edintheve hicle. Theparkposition 005D
is other wise automaticall yeng aged.
% If,afte rth ecar wash, youre mo vethewa x
fr om thewindshield andwiper rubber s,this
will preve ntsme aring and reduce wiper
noise.
Au tomatic carwa sh mode
In car wash mode, theve hicle isprepar edfor
dr iving intoth eaut omatic carwash. Car wash Maint
enance andcare483

All
vehicl es
* NO
TEDama gecau sed bynum erou sor
ex tende datt em ptsto star tth eengine Nu
me rous orextende datt em ptsto star tth e
engine maydamag eth ecat alytic converter
due tonon-co mbusted fuel. #
Avoid numer ousand extende datt em pts
to star tth eengine. Obser
vethefo llo wing pointsdur ing star tin g
assis tance and when chargin gth ebatt ery:
R Onlyuse undamag edjum per cables/c harg‐
ing cables withasuf ficie ntcross -secti onand
insu late dte rm inal clam ps.
R Non-insulat edpar tsof thete rm inal clam ps
mus tno tcom eint ocon tactwi th other metal
par tswhile thejum per cable/c harging cable
is con nect edtothebatt ery/jum p-start con‐
nectio npoi nt.
R The jumper cable/c harging cable mustno t
com eint ocon tactwi th anypar tswhic hma y
mo vewhen theengine isrunning . R
Alw aysmak esur eth at nei ther youno rth e
batt eryis elect rostatic allych arge d.
R Keep away from fire and open flames .
R Donotlean overth ebatt ery.
Obser vetheadditional follo wing pointswhen
ch argin gth ebatt ery:
R Onlyuse batterych arge rs tested and
appr oved forMer cedes-Benz.
R Read thebatt erych arge r's oper ating instruc‐
tions beforech argin gth ebatt ery.
Obser vetheadditional follo wing pointsdur ing
st ar tin gassis tance:
R Startin gassis tance maybe perfor med using
onl ybatt eries withanominal voltag eof 12 V.
R The vehicles mustno tto uc h.
R Vehicl eswith aga soline engine: Jump-
st ar tth eve hicle onlywhen theengine and
ex haus tsy stem arecold. St
arting assistance andchargin gth e12 V
batt ery Re
quirement s:
R The vehicle issecur edwithth eelectr icpar k‐
ing brak e.
R Vehicl eswith automatic transmiss ion:
The transmis sionisin posi tion 005D.
R The igniti onand allele ctrical consumer sar e
swi tched off.
R The hood isopen. Br
eakdo wnassi stanc e503

#
When thefuse boxis open, makesur e
th at no mois turecan enterthefuse
bo x. #
When closing thefuse box,mak esur e
th at theseal ofthelid isposition edcor‐
re ctly onthefuse box. If
th ene wlyinser tedfuse alsoblows,ha ve the
cau setrace dand rectif ied at aqu alif ied spec ial‐
is two rkshop.
Ensur eth efo llo wing beforere placing afuse:
R The vehicle issecur edagains tro lling away.
R Allelectr icalconsu mersar esw itched off.
R The igniti onissw itched off.
The electr icalfu ses arelocat ed invarious fuse
bo xes:
R Fuse boxin theengine compartmen ton the
lef t-hand sideoftheve hicle, when viewe din
th edir ect ion oftrave l(/ page51 1)
R Fuse boxon thedr iver's side ofthecoc kpit
(/ page51 2) R
Fuse boxin thefront passeng erfoot we ll
(/ page51 2)
R Fuse boxin thecar gocom partmen ton the
ri ght-h andside oftheve hicle, when viewe d
in thedir ect ion oftra vel(/ page51 2) Op
eni ng andclos ing the fuse boxin the
en gine comp artment Re
quirement :
R Youne ed adr yclo thand asc rewdr iver .
Obser vetheno teson electr icalfuses
(/ page51 0).
Op eni ng &
WARNIN GRisk ofinju ryfrom using the
winds hieldwiper swhile theengine hood
is open
When theengine hoodisopen andthewind‐
shield wipersar ese tin mo tion ,yo ucan be
tr apped bythewiper linkage. #
Alw aysswitc hof fth ewindshield wipers
and ignition beforeopening theengine
hood. #
Remo veanyex istin gmois turefrom thefuse
bo xusing adr yclo th. #
Loosen screws2 and remo vefuse boxlid
1 from theto p. Br
eakdo wnassis tance 51
1

Closing
#
Chec kwhe ther theseal isposition edcor‐
re ctly inthelid. #
Inser tth elid intoth ebr ac ketat there ar of
th efuse box. #
Folddo wn thelid ofthefuse boxand tight en
scr ews2. #
Close thehood. Opening
andclosing thefus ebo xin the
coc kpit The
fuse boxis on theside ofthedashboar d
under aco ver. #
Con tact an author ized Mercedes-B enzCen‐
te rfo rfur ther information . Opening
andclosing thefus ebo xin thefront
pa sseng erfoot we ll #
Cont actanaut hor ized Mercedes- BenzCen‐
te rfo rfur ther information . Opening
andclosing thefus ebo xin the
car gocom partmen t Ob
serveth eno teson electr icalfuses
(/ page51 0). #
Open theside cover. #
Remo vecover1.
The fuse allocation chartis on theside ofthe
fuse box. 51
2
Brea kdo wnassista nce

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Ù St eering Malfunct ionStop
Immediately SeeOpera-
tor's Manual *T
hesteer ing ismalfunct ioning.Steer ing capability issignif icantlyim pair ed. &
WARNIN GRisk ofacci dent ifsteer ing capability isim pair ed
If th esteer ing does notfunc tion asintended, theve hicle's operating safetyis jeopar dized. #
Pull overand stop theve hicle safely assoon aspossible, paying attention toroad and traf fic condi tions.
Do notcontinu edr ivi ng und eranycir cums tances. #
Consu ltaqu alif ied spec ialistwo rkshop. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions.Do notcontinu edr ivi ng und eranycir‐
cums tances. #
Consu ltaqu alif ied spec ialistwo rkshop.
0051 *A
tle as tone door isop en. #
Close alldo ors.
0066 *T
hehood isopen. &
WARNIN GRisk ofacci dent ifth eengine hoodisunlatc hedwhile driving
An unloc kedengin ehood mayopen upwhen theve hicle isin mo tion andblockyo ur vie w. #
Neverunla tchth eengine hoodwhile driving. 57
8
Display messa gesand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Beforeev erytrip, ensur eth at theengine hoodislatc hed. #
Stop theve hicle immediat ely,pa ying attention toroad and traf fic condi tions. #
Close thehood.
0065 *T
hetailg ateis open . &
DANG ER Risk ofexhaus tga spoisoning
Combus tionengines emitpoisonous exhaus tga ses suchas carbon monoxide.Exhaus tga ses can enterthe
ve hicle interior ifth eta ilg ateis open when theengine isrunning ,esp ecially ifth eve hicle isin mo tion. #
Alw aysswitc hof fth eengine beforeopening theta ilg ate. #
Neverdr ive wit hth eta ilg ateopen . #
Close theta ilg ate.
LOW RANGE OnlyWhen
Vehic leIsStation ary *O
neormor eshi fting con dition swe renotme t. #
Stop theve hicle. #
Eng ageneutr al005C. #
Repeat thege ar chang e.
LOW RANGEShift toPosi -
tio nN Briefly *O
neormor eshi fting con dition swe renotme t. #
Eng ageneu tral 005C. Disp
lay mes sage sand warning/ indic ator lam ps 57
9

Engine
Displa
ymes sages
Possible causes/conseq uencesand0050 0050
Solutions
00BD Check Coolant LevelSee
Operator' sManual *T
hecoolant leve lis toolow.
* NO
TEEngi nedama gedue toinsuf ficie ntcool ant #
Avoid long journeys wit hins ufficie ntcool ant. #
Addcoolant (/page48 1). #
Have theengine cooling system checkedat aqu alif ied spec ialistwo rkshop.
ÿ
Coola ntToo HotStop Vehi-
cle Turn Engine Off *T
hecoolant istooho t. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions andswitchof fth eengine. &
WARNIN GDang erofburnswhen opening thehood
If yo uopen thehood when theengine hasoverheat edordur ing afire intheengine compartmen t,yo uco uld
co me intoco ntact withho tga ses orother escaping operating fluids. #
Beforeopen ingthehood, allowtheengine tocool down. #
Intheeve ntofafire intheengine compartmen t,ke ep thehood closed andcallthefire ser vice. #
Waitunt ilth eengine hascooled down. #
Mak esur eth at theair supply tothera diat orisno tim pair ed. 582
Displa ymessag esand warning/ indic ator lam ps