engine MERCEDES-BENZ GLS SUV 2020 Owner's Guide

#
When theve hicle isstatio nary,press butt on
005D.
Pa rk position isonl yeng aged when the
tr ans missi on positio ndisp lay 005D issho wnin
th emultifunc tiondispla y.Ifno transmissi on
positio ndispl ay005D appear s,sec ureth eve hi‐
cle topreve ntitfrom rolling away.
% Dep endingonthesituation ,it ma yta ke
some timeuntil005Diseng aged. Ther efor e,
alw ayspa yatt ention tothetra nsmiss ion
position display.
Pa rk position 005Diseng aged aut omatic allyif one
of thefo llo wing condition sis me t:
R Youswit choffth eignition whentheve hicle
is statio naryand thetransmission isin posi‐
tion 005Bor005E.
R Youopen thedr iver's door when theve hicle
is statio naryor when drivin gat ave ry low
speed andthetra nsmiss ionisin position 005B
or 005E.
R Youswit choffth eengine andbring theve hi‐
cle toast ands tillwhen theve hicle isrolling
and thetra nsmiss ionisin position 005Bor005E. R
Youshif tth etra nsmiss ionto005C withth e
ve hicle rolling, stop theve hicle andopen the
dr iver's door withth eve hicle statio nary.
R Eng aging park position 005Dautomatic allyis
re qu ired bytheve hicle.
% Tomaneu verwit han open driver's door ,
open thedr iver's door while statio naryand
eng agetrans miss ionposit ion005Bor005E
ag ain.
Eng agin gdr ive posi tion D #
Depress thebr ak epedal andpush the
DIR ECT SELEC Tleve rdo wn pas tth efirs t
point ofresis tance.
The trans mis sion positio ndispl ay005B is
sho wninthemultifunc tiondispla y.
When theaut omatic transmiss ionisin transmis‐
sion position 005B,itshif tsthege arsaut omat i‐
call y.This depends, amongother things ,on the
fo llo wing fact or s:
R The select eddrive pr ogr am
R The position oftheaccelera torpeda l
R The driving speed Manual
gearshif ting &
WARNIN GRisk ofskid ding and ofan
acci dent dueto shif ting down onslipper y
ro ad sur faces
If yo ushif tdo wn onslipp eryro ad sur faces to
inc rease theengine braking effect, thedr ive
wheels maylose traction . #
Donotshif tdo wn onslipper yro ad sur‐
fa ces toinc rease theengine braking
ef fect. Dr
iving and parking 20
1

The
gearshif tre comme ndation assists youin
adop tingan eco nomic aldrivin gst yle. #
Ifge arshif tre comme ndation mess age1 is
sho wnonthemultifunc tiondispla y,shif tto
th ere comme ndedgear. Using
kickdow n Mer
cede s-AMG vehicl es:obse rveth eno tesin
th eSupplement .Ot her wise, youma yfa ilto rec‐
ogni zedangers. #
Maxi mum acceler atio n:dep ress theaccel‐
er ator pedal beyond thepr essur epoint . The
automatic transmiss ionshiftsup tothene xt
ge ar when themaximum enginespeedis
re ac hed toprotect theengine from overrev ving. Glide
mode functio n Mer
cede s-AMG vehicl es:obse rveth eno tesin
th eSupplement .Ot her wise, youma yfa ilto rec‐
ogni zedangers.
Wi th an ant icip ator ydr ivin gst yle, glide mode
helps youto reduce fuelconsum ption.
Glide mode isch aract erised bythefo llo wing:
R The com bustion engin eis disco nnect edfrom
th edr ivet ra in and continues torunin neu tral .
R The trans mis sion positio n005B isdispl ayed in
gr een inthemultifunc tiondispla y.
R Vehicl eswith 48Von-b oardele ctrical
sy stem (EQ-B oostte ch nology): thecom‐
bus tion engine canbeswitc hedoff.All ofthe
ve hicle functionsremain active. Gli
de mode isactiv ated ifth efo llo wing condi‐
tion sar eme t:
R Mer cede s-Maybac hve hicl es:drive pr o‐
gr am is
sele cted.
R Allother models :dr ive pr ogr am ; is
sele cted.
R The spee dis wit hin asui table rang e.
R The road's courseissuit able, e.g.no steep
uphill ordownhill inclinesortight bends.
R Ther eis no trailer coupled tothetrailer hitch,
and nobicy clerack installed.
R Youdo notdepr esstheaccelera toror brak e
peda l(e xc ep tfo rlig ht brak eapp lications).
% Glide mode canalsobe activ ated ifyo uha ve
select edthe"Eco" setting forth edr ive in the
dr ive pr og ram =.
Gli de mode isdea ctivated again ifone ofthe
condi tions isno long erme t. Dr
iving and parking 203

Glide
mode canalso bepreve nted bythefo llo w‐
ing parame ters:
R Incline
R Downhill gradi ent
R Temp eratur e
R Height
R Speed
R Oper ating status oftheengine
R Traf fic situ ation Tr
ansf ercase Fu
nction ofthetransf ercase &
WARNIN GRisk ofskid ding and having
an acci dent whenin LO WRANGE onslip‐
per yro ad sur faces
If yo usele cttheLO WRANGE off-r oad gear
on aslippe ryroad sur face, thewheels could
lose traction inthefo llo wing situat ions:
R Ifyo ure lease theacceler ator pedal when
th eve hicle isin mo tion.
R Ifof f-r oad ABS interve nes when braki ng.
If th ewheels losetraction ,it will nolong erbe
possible tosteer theve hicle. #
Neversele cttheLO WRANGE off-r oad
ge ar when drivin gon slippe ryroad sur‐
fa ces. &
WARNIN GRisk ofacci dent whenth e
tr ans fercase isin neutr alposi tion
The transf ercase canbeinneutr alposi tion if
yo udo notwa itunt ilshif topera tioniscom ‐
ple te.The powe rtr ansmiss iontothedr iven
wheels isthen interru pted. The vehicle may
th er eb yinadv ertentl yro llaw ay. #
Waitunt ilth etra nsf ercase shiftoper a‐
tion iscom plete. This
funct ionisonl yav ailable invehicles with
Of f-road package .
Shif tth etransf ercase totheon- road posit ion
HIGH RANGEorintoth eLO WRAN GEoff-r oad
ge ar.
Do notswit choffth eengine during shif toper a‐
tion anddonotshif tth eaut omatic transmiss ion
to ano ther position . 20
4
Driving andparking

Shif
tra ng es
HIGH RANGE LOWRAN GE
Ro ad posit ionforall
nor mal on-road driv‐
ing situa tions. Of
f-road gear fordr iv‐
ing off-r oad ,when
fo rd ing and onsteep
uphill ordownhill
inclin es. Pr
oper tiesoftheLO WRANGE off-r oad gear:
R Reduced maximum permissible speed:
31 mp h(5 0km/h)
R Incr easedtractiv epo we r
R Chan gingth etransmission ratio byafa ct or
of abou tth re e
R Incr ease ddr ive to rq ue
Do notus eLO WRANGE inthefo llo wing situa‐
tion s:
R When drivin gon public roads. Shif
tingth etransf ercase Shif
ting totheLOW RANGEoff-r oad gear Re
quiremen ts:
R Youar eno tdr ivin gon apa vedor public road.
R The vehicle isstatio nary. #
Pull LOWRAN GE1 rock er switc h.
Indic ator lam p2 will flash. Theshiftre qu est
st ay sactiv efo ra maximu mof 30 seconds. If
all requ iremen tsforshif toper ation areno t
fulf illed within this tim e,indic ator lam p2
switc hesoffag ain and theshif toper ation
mus tbe star tedag ain. #
Shif tth etra nsmiss iontoposition 005C.
If shif toper ation issucces sful,theLOW
RANGE Onmessag eappear sin theins tru‐
ment cluster,an audible signalsoun dsand
ind icat orlam p2 and anind icat orlam pin
th eins trument clusterlig ht up continuous ly. #
Shif tth etra nsmiss iontoposition 005B.
% The vehicle stay sin LO WRANGE ifyo upar k
th eve hicle inLO WRANGE, even afte rth e
engine hasbeen restar ted.
% Youwill notbe able toswitc hon LOW
RAN GEifdr ive pr og ram C orB is
switc hedon.The vehicle switchestodrive
pr ogr am A. Dr
iving andparking205

#
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 . &
WARNIN GRisk offire and explosion due
to electr ostatic charge
Ele ctrostat icch arge can crea te spar ksand
th er eb yignit efuel vapor s. #
Beforeyo uopen thefuel filler cap or
ta ke hold ofthepum pnoz zle, touc hth e
me tallic vehicle body.
This dischargesan yelectr ostatic charge
th at ma yha ve built up. #
Donotge tint oth eve hicle again during
th ere fuel ingprocess.
Ot her wise,ele ctrostatic charge can
bu ild up again. *
NO
TEDama gecau sed bythewr ong fuel Ve
hicles withaga soline engine: 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. Your
ve hicle issuit able foruse withE1 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. *
NO
TEDo notus ediese lto refuel vehi‐
cles withaga soline engine If
yo uha ve acc iden tally re fuel edwithth e
wr ong fuel:
R Donotswit chtheignition on.Other wise
fuel canentertheengine.
Ev en small amounts ofthewr ong fuel
could result indamag eto thefuel system
and theengine. Therepair costsarehigh. #
Consult aqu alif ied spec ialistwo rkshop. #
Have thefuel tank and fuellines
dr ained complet ely . *
NO
TEDama getothefuel system caused
by ove rfilled fueltank s #
Only fill th efuel tank unti lth epum p
noz zleswitc hesoff.
If yo uha ve added toomuc hfuel because ofa
def ectiv efilling pump,forins tan ce: #
Donotswi tchth eignition on. Dr
iving andparking 20
7

#
Con sult aqu alif ied spec ialistwo rkshop. *
NO
TEFuelma yspr ayout when you
re mo vethefuel pum pnoz zle #
Onlyfill th efuel tank unti lth epum p
noz zleswitc hesoff. Re
quirement s
R The vehicle isunloc ked(/ page70).
% Donotge tint oth eve hicle again during the
re fuel ingprocess. Other wise,ele ctrostatic
ch arge cou ldbu ild up again.
Obs erve theno teson oper ating fluids andfuel
(/ page55 4).
On lyrefuel withfuel that has atleas tth eoct ane
number specifiedintheinf ormation labelinthe
fuel filler flap (/ page20 6). Other wise engine
out put can bereduced andfuel consum ption
inc reased. 1
Fuelfiller flap
2 Brac ketfo rfuel filler cap
3 Tire pressur eta ble
4 QRcode forre scue card
5 Fueltype #
Press onthebac kar ea offuel filler flap 1. #
Turn thefuel filler cap coun ter-cloc kwiseand
re mo veit. #
Insertth efuel filler cap from aboveinto
br ac ket2. #
Comp lete ly inse rtthepum pnoz zleintoth e
ta nk filler neck,hook inplace andrefuel . #
Onlyfill th efuel tank unti lth epum pnoz zle
switc hesoff. #
Replace thecap onthefiller neckand turn
cloc kwise untilit eng ages audibl y. #
Close fuelfiller flap 1.
% Close thefuel filler flap bef oreloc kin gth e
ve hicle. Pa
rking Pa
rking theve hicl e &
WARNIN GRisk ofacci dent andinjury
cau sed byan insufficie ntlysecu redve hi‐
cle rolling away.
If th eve hicle isno tsecur elyparkedsuf fi‐
cie ntly ,it can rollaw ay inan unc ontrolled
wa yev en ataslight downhill gradient. 208
Driving andparking

#
Bring theve hicle toast ands tillby appl ying
th ebr ak epedal. #
Onuphill ordownhill gradients, turnth efront
wheels sothat theve hicle rolls towa rdsth e
curb ifit star ts mo ving. #
App lytheelectr icpar king brak e. #
Engage trans missi on positio n005D inast atio n‐
ar yve hicle withth ebr ak epedal applied
(/ page200). #
Switc hof fth eengine andtheignition by
pr essing button1. #
Release theser vice brak eslo wly. #
Getout oftheve hicle andlockit.
% When youpar kth eve hicle, youcan still
opera tetheside windo wsand thepanor amic
sliding sunroofforapp roxima tely five
minut esifth edr iver's door isclosed.
% When youpar kth eve hicle, youcan still
opera tetheside windo wsand thesliding
sunr oofforapp roxima tely five minut esifth e
dr iver's door isclosed. Gar
agedoor opener Pr
og rammin gbutt onsfo rthe garage doo r
ope ner &
DANG ER Risk ofdeat hcause dby
ex haus tga ses
Combus tionengines emitpoisonous exhaus t
ga ses suchas carbon monoxide.Inhaling
th ese exhaus tga ses ishazar dous tohealt h
and leads topoisonin g. #
Neverlea vetheengine or,if pr esent ,
th eauxiliar yheating running inan
encl osedspa cewithout sufficie ntventi‐
la tio n. &
WARNIN GRisk ofinju rywhen opening
or clos ingadoor withth ega rage door
opener
When youoper ateor program thedoor with
th eint egr ated garage door opener ,people in
th era ng eof mo vement ofthedoor may
become trapped orstru ck bythedoor . #
When usingtheint egr ated garage door
opener ,alw aysmak esur eth at nobody
is wit hin thera ng eof mo vement ofthe
door . Onl
yoper ateth efo llo wing doorsusing the
ga rage door opener :
R Door swit hasaf etyst op and reve rsing fea‐
tur e
R Doorswhic hcon form tothecur rent U.S.
sa fety standar ds
Re quirement s:
R The vehicle hasbeen parkedoutside the
ga rage oroutside thera ng eof mo vement of
th edoor .
R The engine isswitc hedoff.
R The ignition isswitc hedon.
% The garage door opener function isalw ays
av ailable whentheignition isswitc hedon. 21
0
Driving and parking

Electr
icpa rking brak e Electr
icpar king brak efunct ion(app lying
aut omat ically) &
WARNIN GRisk ofacci dent andinjury
due tochildr enleftunat tende din the
ve hicle
If ch ildr enarelef tunat tende din theve hicle,
th ey cou ld:
R Ope ndoo rs,th er eb yendang ering other
per sons orroad user s.
R Getout and bestru ck byoncom ingtraf‐
fi c.
R Ope rate vehicle equipment andbecome
tr apped, forex am ple.
In addit ion,th ech ildr encould alsosetth e
ve hicle inmo tion, forex am ple by:
R Releasing thepar king brak e.
R Changing thetra nsmiss ionposition .
R Startin gth eve hicle. #
Neverlea vechildr enunat tende din the
ve hicle. #
When leaving theve hicle, alwaysta ke
th eke ywit hyo uand lockth eve hicle. #
Keep theve hicle keyout ofreac hof
ch ildr en. The
elect ric pa rking brak eis applied ifth etra ns‐
mission isin position 005Dand one ofthefo llo w‐
ing con dition sis fulf illed:
R The engin eis switc hedoff.
R The seat belttongu eis no tins ertedin the
seat beltbuckleofthedr iver's seat andthe
dr iver's door isopened.
R The transf ercase isin theLOW RANGEpos i‐
tion.
% Toprev ent application: pullthehandle ofthe
electr icpar king brak e.
In thefo llo wing situat ions,th eelectr icpar king
br ak eis also applied:
R ActiveDis tance AssistDIS TRONI Cis bring ing
th eve hicle toast ands till. R
The HOL Dfun ction iske eping theve hicle sta‐
tio nar y.
R ActivePa rking Assistis ke eping theve hicle
st atio nary.
This isthecase ifone ofthefo llo wing condition s
is also fulfilled:
R The engin eis switc hedoff.
R The seat belttongu eis no tins ertedin the
seat beltbuckleofthedr iver's seat andthe
dr iver's door isopened.
R Ther eis asy stem malfunct ion.
R The powe rsupp lyis insuf ficie nt.
R The vehicle isstatio naryfo ra lengt hyper iod.
When theelectr icpar king brak eis applied, the
re d0049 (USA)or0024 (Canada) indicatorlam p
appear sin theins trument cluster.
The electr icpar king brak eis no taut omaticall y
applied ifth eengine isswitc hedoffby theEC O
st ar t/ stop funct ion. Dr
iving andparking 21
5

Inf
orma tion ondetectin gda ma geon a
pa rked vehicl e If
acolli sion isde tected whe nth eto w- aw ay
alar misarmed onaloc kedve hicle, youwill
re cei veano tificat ion inthemultimedia system
when youswit chon theignition .
Yo uwill recei veinformatio nabout thefo llo wing
point s:
R The area oftheve hicle that ma yha ve been
damag ed.
R The forc eof theim pact.
The follo wing situat ionscanlead toinadv ertent
acti vatio n:
R The parked vehicle ismo ved, e.g. inatw o-
st or yga rage .
% Dea ctivateth eto w- aw ay alar minorder to
pr eve ntina dvertent acti vatio n.Ifyo udeac ti‐
va te theto w- aw ay alar m,damag ede tection
wi llal so be dea ctivated.
% Inthecase ofsevere batt erydisc harging,
th efunc tion forde tecting damag eon a pa
rked vehicle isaut omaticall ydeactiv ated
to facil itat eth ene xt engine star t.
Sy stem limit s
De tection maybe restrict ed inthefo llo wing sit‐
uation s:
R The vehicle isdamag edwithout impact, e.g.
if an outside mirroris torn offor thepaint is
damag edbyaSm artK ey
R Animpa ct occu rsat low spee d
R The electric par kingbr ak eis no tapplied No
teson par king theve hicl efo ran extended
per iod If
yo ulea vetheve hicle parkedfo rlong erthan six
we eks,itma ysuf ferdama gethro ugh disus e.
The 12Vbatt eryma yalso beimpair edordam‐
ag ed byhea vydisc harging.
% Further information canbeobt ained ata
qu alif ied spec ialistwo rkshop. St
andb ymode (ext ens ion ofthe star terbat‐
te ry 's per iod out ofuse) St
andb ymode function
% This function isno tav ailable forall model s.
If standb ymode isact ivat ed, energyloss willbe
min imiz eddur ing ex tende dpe riods ofnon- oper‐
ation.
St andb ymode isch aract erize dby thefo llo wing:
R thest ar terbatt eryis preser ved.
R themaximum non-opera tionaltime appear s
in themedia display.
R thecon nect iontoonline services isint erru p‐
te d.
R theAT A(anti-t heftal ar m system) isno tav ail‐
able.
R theint erior motion sensor andtow- aw ay
alar mfun ction sar eno tav ailable.
R thefunc tion forde tecting damag eon a
pa rked vehicle isno tav ailable. Dr
ivin gand parking 217

If
th efo llo wing condition sar efulf illed, standb y
mode canbeact ivat ed ordeac tivated usin gth e
multime diasystem:
R theengine isswitc hedoff.
R theignition isswitc hedon.
Ex ceeding theve hicle's displayednon -opera ‐
tion altime maycause inconvenie nce, i.e.it can‐
no tbe guarant eedth at thest ar terbatt erywil l
re liably star tth eengine.
The star terbatt erymus tbe charge dfirs tin the
fo llo wing situat ions:
R The vehicle's non-oper ational timemustbe
ex tende d.
R The Batte ryCh arg eInsu fficie ntfor Stand by
Mod emes sage appear sin themedia display.
% Standb ymode isaut omat icallydeac tivated
when theignition isswitc hedon.
Ac tiv atin g/deac tivatin gst andb ymode (park‐
ing theve hicl efo ran extended period)
Re quirement s:
R The engin eis switc hedoff. Multime
diasystem:
4 © 5
Set ting s5
Vehicle #
Switc hSt andby Modeonoroff.
When youact ivat eth efunc tion,a pr om pt
appear s. #
Select Yes.
St andb ymode isact ivat ed. Dr
iving anddriving safetysy stems Dr
iving systems andyour responsibility Yo
ur vehicle iseq uipped withdr iving systems
whic hassis tyo uin drivin g,par kingand man eu‐
ve ring theve hicle. Thedriving systems areaids
and donotre lie ve youof your responsibili typer‐
ta inin gto road traf fic law. Payatt ention tothe
tr af fic condi tions atalltime sand interve ne
wh en nece ssary.Be awareof thelimit ations
re ga rding thesaf euse ofthese systems. Inf
ormat iononradar and ultrasonic senso rs Some
drivi ng and drivi ng safety systems use
ra dar orultr asonic sensorsto monit orthear ea in
front of,behind ornext to theve hicle (depend‐
ing ontheve hicle's equipment).
Depending ontheve hicle's equipment, thera dar
sensor sar eint egr ated behind thebum pers
and/or behindthera diat orgrill. The ultrasonic
sensor sar elocat edinthefront and rear bum p‐
er s. Ke ep these partsfree ofdir t,ice and slush
(/ page490). Thesensor smus tno tbe cov‐
er ed, forex am ple bybicy clerack s, ove rhang ing
loads, sticke rs,fo ilor foils toprotect agains t
st one chipping .Ad dition allicens eplat ebr ac ket
can like wise impair thefunc tion oftheultr asonic
sensor s.In theev ent ofdamag eto thebum pers
or radiat orgrill, orfollo wing acollis ionimpact ing
th ebum persor radiat orgrill, have thefunc tion
of thesensor sch eckedat aqu alif ied spec ialist
wo rkshop. Ifth esensor sar edamag ed,some
dr iving systems anddriving safetysy stems may
no long erfunc tion proper ly. 21
8
Driving and parking