2020 MERCEDES-BENZ GLS COUPE ignition

#
Neverto uc hth edang erzon esur round ‐
ing movingco mp onent parts,e.g. the
ro tatio nar ea ofthefa n. #
Remo vejewe lry and watche s. #
Keep items ofclo thing and hair away
fr om moving parts. &
WARNIN GRisk ofinju ryfrom touc hin g
co mp onent partsunder voltag e
The ignit ionsystem and thefuel injec tion
sy stem workund erhigh voltag e. Ifyo uto uc h
co mp onent partswhic har eunder voltag e,
yo uco uld recei vean elec tric shoc k. #
Neverto uc hco mp onent partsof the
ignit ionsystem orthefuel injec tionsys‐
te m when theignition isswitc hedon. &
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 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. #
Toopen: pullleve r1 torelease thehood. Maint
enanc eand care359

#
Push handle 1ofthehood catchupw ards
and liftth ehood byappr oximat ely15 in
(40 cm). #
Toclose: lowe rth ehood andletit fallfrom a
height ofappr oximat ely8 in (20 cm). #
Ifth ehood canstill be lifte dslightl y,open
th ehood again and close itwit halittle more
fo rc euntil iteng ages cor rectl y. Engine
oil Chec
kingtheengine oilleve lusing theon-
boar dcom puter
Re quirement s
The engin eoil leve lis de term ined during drivin g.
De term inin gth eengine oilleve lcan take up to
30 minut eswit hanor mal driving style and even
long erwit han act ive dr ivin gst yle.
In order torecei veare sult asquickl yas possi‐
ble:
R Warm uptheengine
R Park theve hicle onaleve lsur face
R Lea vetheengine running atidle spe ed
On-bo ardcom puter:
4 Service5
Engine OilLeve l
Yo uwill see oneof thefo llo wing mess ages on
th emultifunc tiondispla y:
R Measuring Engine OilLevel.. .:measur ement
of theoil leve lis no tye tpo ssi ble. #
Repeat there qu estaf te ra maximu mof 30
minut es'driving. R
Engine OilLevel OKand thebar displa yfo r
indic atingth eoil leve lon themultifunc tion
displa yis green and isbe tween "min" and
"max": theoil leve lis cor rect.
R Engine OilLeve lAdd 1.0land thebar displa y
fo rindica tingtheoil leve lon themultifunc ‐
tion displa yis orang eand isbelo w"min": #
Add1.1 US qt(1l)of engine oil.
R Red uce Engine OilLevel andthebar displa y
fo rindica tingtheoil leve lon themultifunc ‐
tion displa yis orang eand isabo ve"max ": #
Drain offan yex cess engineoilthat has been
added. Todo so, con sult aqu alif ied spec ialist
wo rkshop.
R For Engine OilLevel Switch Ignition On: #
Switc hon theignition tocheckth eengine oil
le ve l.
R Engine OilLeve lSyst emInoperat ive:sensor
fa ulty ornotins erted. #
Consult aqu alif ied spec ialistwo rkshop.
R Engine OilLevel System Currently Unavail.: 360
Maintenance andcare

No
teson car eof vehicl epar ts &
WARNIN GRisk ofentr apment ifth e
winds hieldwiper sar eswit ched on while
th ewindshield isbeing cleaned
If th ewindshield wipersar ese tin mo tion
while youar ecle anin gth ewindshield or
wiper blades, youcan betrapped bythe
wiper arm. #
Alw aysswitc hof fth ewindshield wipers
and theignition beforecleanin gth e
winds hieldorwiper blades. &
WARNIN GRisk ofburnsfrom theta il‐
pipe andtailpipe trims
The exhaus tta ilpipe andtailpipe trims can
becom eve ry hot.Ifyo uco me intoco ntact wit
hth ese partsof theve hicle, youco uld
bur nyo urself . #
Alw aysbe par ticular lycareful arou nd
th eta ilpipe andtheta ilpipe trims and
super visechildr enespec iallycloselyin
th is area. #
Allo wvehicle partsto cool down before
to uc hin gth em. Obser
vethefo llo wing informa tion: No
teson cleaning andcareA voiding vehicl edamag e
Wheel s/rims
Usewaterand acid-free whee lclea ners. R
Donotuse acidicwhee lclea nersto remo vebrak edus t.
This could damag ewheel boltsandbrak ecom ponen ts.
R Toavoid corrosion ofthebr ak ediscs andbrak epads, drive
th eve hicle fora fe w min utes afte rclea ning beforepar king
it. The brak ediscs andbrak epa dswarm upand dryout .
Wi ndo ws
Cleanwindowsinside andouts idewithadam pclo thand with
a cle anin gag ent recomme ndedforMer cedes-Benz. Do
notuse dryclo thsor abr asiv eor sol vent-ba sedcleani ng
ag ents tocle an theinside ofwindo ws.
Wi per blades
Foldout thewiper blades andclean them using adam pclo th.D ono tclean thewiper blades tooof ten. Ma
intena nce and care36
9

#
Pull plug 4withth ecable andhose 5out
of thetir einf lation compressor housing. #
Push theplug ofhose 5intoflang e6 of
tir esealan tbo ttle 1 untilth eplug engages. #
Place tiresealant bottle 1 head down wards
int ore cess 2ofthetir einf lation compres‐
sor . #
Remo vetheva lve cap from valve 7 onthe
fa ulty tire. #
Screw filling hose 8ontova lve 7. #
Insertplug 4intoa12 Vsoc ketin your
ve hicle. #
Switc hon theignition . #
Press onand offswitc h3 onthetir einf la‐
tion compressor .
The tireinf lation compressor isswitc hedon.
The tireis inf lated. First,tir esealant ispum‐
ped intoth etir e. The pressur ema ybr ief ly
ri se toappr oximat ely500 kPa(5 bar/7 3psi). Do
notswitc hof fth etir einflat ioncom pres‐
sor during this pha se. #
Letth etir einf lation compressor runfo ra
maximu mof tenminu tes.
The tireshould then have attaine datir e
pr essur eof at leas t20 0kP a(2. 0bar/
29 psi).
If tir esealan tleak sout ,mak esur eyo ucle an the
af fect ed area asquickl yas possible .It is prefer a‐
ble touse clean water.
If yo uge ttir ese alant onyour clo thing, have it
clean edassoon aspossible withper chlor oethy‐
len e.
If, afte rte nminut es,atir epr essur eof
200 kPa(2.0 bar/29 psi)hasnotbeen
attained: #
Switc hof fth etir einf lation compressor . #
Unscr ew thefilling hose from theva lve of the
fa ulty tire.
Pleas eno te that tiresealan tma yleak outwhen
uns crew ing thefilling hose. Br
eakdo wnassis tance 37
7

*
NO
TEDama gedue totowing away at
exc essiv elyhigh speeds orove rlong dis‐
ta nces The
drivet ra in could bedamag edwhen tow‐
ing atexc essiv elyhigh speeds orover long
dis tances. #
Atowing speed of30 mph(50 km/h)
mus tno tbe exc eeded. #
Atowing distan ceof30 miles(50 km)
mus tno tbe exc eeded. &
WARNIN GRisk ofacci dent whento wing
a ve hicle whichis toohea vy
If th eve hicle being tow- star tedor towe d
aw ay ishea vier than theper missible gross
mass ofyour vehicle, thefo llo wing situat ions
can occur:
R The towing eyema ybecome detach ed.
R The vehicle/tr ailercombination may
sw erve oreve nov ertur n. #
Ifano ther vehicle istow- star tedor
to we daw ay,its weight mustno texc eed th
eper missible gross mass ofyour ow n
ve hicle. If
ave hicle mustbe tow- star tedor towe daw ay,
its per missib legross weight mustno texc eed the
per missible gross weight oftheto wing vehicle. #
Information ontheper missible gross mass of
th eve hicle canbefound ontheve hicle iden‐
tif ication plate(/ page428). #
Vehicl eswith automatic transmiss ion:Do
no topen thedr iver's door orfront passeng er
door ,ot her wise theaut omatic transmiss ion
aut omaticall yshif tsto position 005D. #
Installth eto wing eye(/ page389). #
Fasten theto w bar .
* NO
TEDama gedue toinc orrect connec‐
tion oftheto w bar #
Onlyconnect theto w rope ortow bar to
th eto wing eyes. #
Deact ivat eth eaut omatic locking mechanism
(/ page73 ). #
Donotactiv ateth eHOLD function. #
Deact ivat eth eto w- aw ay alar m(/ page90) . #
Deact ivat eAc tiveBr ak eAssi st
( / pag e18 3). #
Vehicl eswith automatic transmiss ion:
Shif tth eaut omatic transmiss iontoposition
005C. #
Release theelectr icpar king brak e. &
WARNIN GRisk ofacci dent dueto limi‐
te dsaf ety-re lat ed func tionsdur ing the
to wing proce ss
Saf ety-re lat ed func tionsar elimit edorno lon‐
ge rav ailable inthefo llo wing situat ions:
R theignition isswitc hedoff.
R thebr ak esy stem orpowe rst eer ing sys‐
te m ismalfu nctioning.
R theener gysupply ortheon- boar delectr i‐
cal system ismalfunct ioning.
When your vehicle isthen towe daw ay,signif ‐
icant lymor eef fort ma ybe requ ired tosteer
and brak eth an isno rm allyre qu ired. Br
eakdo wnassis tance 38
7

R
Allelectr icalconsu mersar esw itched off.
R The igniti onissw itched off.
The electr icalfu ses arelocat edinvarious fuse
bo xes:
R Fuse boxin theengine compartmen ton the
dr iver's side (/page39 1)
R Fuse boxon thedr iver's side ofthecoc kpit
(/ page392)
R Fuse boxin thefront passeng erfoot we ll
(/ page392)
R Fuse boxin thetrunk ontheright- hand side
of theve hicle, when viewe din thedir ect ion
of tra vel(/ page392 ) Opening
andclosing thefus ebo xin the
engine compartmen t Re
quirement s:
R Adr yclo thand asc rewdr iver areav ailable.
Obse rveth eno teson electr icalfuses
(/ page390). Opening &
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
trapped bythewiper linkage. #
Alw aysswitc hof fth ewindshield wipers
and ignition beforeopening theengine
hood. #
Turn clips 2 oncover1 count er-cloc kwise
a qu arter-tur n. #
Pullco ver1 upw ards inthedir ect ion ofthe
ar row . Br
ea kdo wnassista nce 39
1

Oper
ating fluids No
teson oper ating fluids Mer
cedes- AMG vehicl es:besur eto obser ve
th eno tesin theSupplement .Ot her wise, you
ma yfa ilto recogni zedangers. &
WARNIN GRisk ofinju ryfrom oper ating
fl uids harmfulto your healt h
Oper atingfluids maybe pois onous and harm‐
ful toyour healt h. #
Obs erve thete xt on theor iginal con‐
ta iner swhen using, stor ing ordisposing
of oper ating fluids. #
Alw aysst or eoper ating fluids seale din
th eir original container s. #
Alw ayske ep childr enaway from oper at‐
ing fluids. +
ENV
IRON MEN TALNO TEEnvironme ntal
po lluti on cau sed byenvironmen tally irre ‐
sponsible disposal #
Dispose ofoper ating fluids inan envi‐
ro nment ally responsible manner. Oper
ating fluids include thefo llo wing:
R Fuels
R Lubricant s
R Coolant
R Brak efluid
R Windsh ield wa sher fluid
R Climat eco ntro lsy stem refrig er ant
Only useprodu ctsapp rove dby Mer cedes-Ben z.
Damag ecaused bytheuse ofproducts that have
no tbe en approve dis no tco veredby the
Mer cedes-Ben zwa rrant yor good willgestur es.
Yo ucan iden tifyoper atingfluids approvedby
Mer cedes-Ben zby thefo llo wing inscript ions on
th econ tainer :
R MB- Freig abe (e.g. MB-Freig abe 229. 51) R
MB- Appr oval (e. g.MB- Approva l229 .51)
Fu rther information onappr ovedoper ating fluids
is available atthefo llo wing locations:
R IntheMer cedes- BenzSpecif ication sfo r
Oper ating Fluids byent ering thedesignation
- Athttps: //bevo.mercedes-b enz.com
- IntheMer cedes- BenzBeVoapp
R Ataqu alif ied spec ialistwo rkshop &
WARNIN GRisk offire or explosion from
fuel
Fu els arehighl yflammab le. #
Fire,open flames ,smo kingand creat ion
of spar ksmus tbe avo ided. #
Swit choffth eignition and,ifav ailable,
th est atio naryheat er,bef oreand while
re fuel ingtheve hicle. &
WARNIN GRisk ofinju ryfrom fuels
Fu els arepoisonous andhazar dous toyour
healt h. 430
Tech nica lda ta

#
Donotsw allo w fuel or letit come into
cont actwith skin, eyes orclo thing. #
Donotinhale fuelvapor . #
Keep childr enaway from fuel. #
Keep door sand windo wsclos edduring
th ere fuel ingprocess.
If yo uor other people comeintocont actwith
fuel, obser vethefo llo wing: #
Imm ediat elyrinse fuelof fyo ur skin wit h
soap andwater. #
Iffuel comes intocont actwithyo ur
ey es, immediat elyrinse them thor‐
oughl ywit hclean water.Seek medical
att entio nimm ediately . #
Ifyo usw allo wfuel, seek medicalatten‐
tio nimm ediat ely. Do notind uce vomit‐
ing. #
Cha ngeimmedi ately out ofclo thing that
has com eint ocon tact with fuel . Fu
el No
teson fuel grades forve hicl eswith aga s‐
oline engine
Obser vetheno teson oper ating fluids
(/ page43 0).
* NO
TEDama gecau sed bythewr ong fuel Ev
en small amounts ofthewr ong fuelcould
re sult indamag eto thefuel system, the
engine andtheemission control system. #
Onlyre fuel withlow- sulfur unleade d
fuel.
This fuelmaycont ainupto10%ethanol by
vo lume. Your vehicle issuit able foruse with
E1 0fuel .
Ne verre fuel withone ofthefo llo wing fuels:
R Dies el
R Gasoline withmor eth an 10%ethanol by
vo lume, e.g.E15, E8 5,E100
R Gasoline withmor eth an 3% methano lby
vo lume, e.g.M15,M30 ,M85 ,M1 00 R
Gasoline withadditiv escon tainin gme tal
If yo uha ve acc iden tally re fuel edwithth e
wr ong fuel: #
Donotswit chtheignition on. #
Consult aqu alif ied spec ialistwo rkshop. If
th eav ailable fuelisno tsuf ficie ntly low in sul‐
fur ,th is can produce unpleasant odors.
Onl yre fuel withfuel that has atleas tth eoct ane
number specifiedintheinf ormation labelinthe
fuel filler flap (/ page16 2).
If yo uwa ntmaxim umengine output:onl y
re fuel withunle adedpr emiu mgrade gasoline
wit han oct ane number ofat leas t91 AKI/
95 RON.
As ate mp orarymeasur e,ifth ere comme nded
fue lis no tav ailable, youma yalso refuel with
unle adedre gular gasoline withat leas t87 AKI/
91 RON.Thisma yre duce engineper form anc e
and increase fuel consum ption.
Ne verre fuel using gasoline withan eve nlowe r
RO N. Te
ch nica lda ta 43
1