key MERCEDES-BENZ GLS 2021 Owner's Manual

1
Rear leftside window/roll er sunb lind
2 Rear right side windo w/roller sunblind #
Toclose fully: brief lypull thecor responding
butt onwhen theside windo wisclosed. #
Toopen fully:brief lypress thecor respond‐
ing butt on. Anti-t
heftpr otection Fu
nction oftheimm obiliz er The
immo bilizerpreve nts your vehicle from being
st ar tedwit hout thecor rect Smar tKey .
The immobilizer isaut omaticall yactiv ated when
th eignition isswitc hedoffand deactiv ated when
th eignition isswitc hedon.
When leaving theve hicle, alwaysta ke theSmar t‐
Ke ywit hyo uand lockth eve hicle. Anyone can
st ar tth eengine ifava lid Smar tKey has been left
inside theve hicle.
% Intheeve nttheengine cannotbe star ted
(y et theve hicle ’sbatt eryis ch arge d), the
sy stem isno toper ational. Contactan
aut hor ized Mercedes- BenzCenteror call
1-8 00- FOR-MER Cedes (intheUS A)or
1-8 00- 387-0 100(in Canada). ATA
(anti-thef tala rm system) Fu
nction oftheATA system
If th eATA system isarmed, avisual andaudible
alar mistrigg ered inthefo llo wing situat ions:
R when adoor isopen ed
R when theta ilg ateis open ed
R when thehood isopened
R when interior protect ion istrigg ered
(/ page92)
R when theto w- aw ay alar mistrigg ered
(/ page91 )
The ATAsy stem isarmed automatic allyaf te r
appr oximat elyte nseco ndsinthefo llo wing situa‐
tion s:
R afte rloc king theve hicle withth eSmar tKey
R afte rloc king theve hicle using KEYLES S-GO 90
Opening andclosing

Indicat
orlam p1 flashes whentheAT Asy stem
is armed.
The ATAsy stem isdeactiv ated aut omaticall yin
th efo llo wing situat ions:
R afte runloc kingtheve hicle withth eSmar tKey
R afte runloc kingtheve hicle using KEYLES S-
GO R
afte rpr essing thest ar t/ stop butt onwithth e
Smar tKey inthestow agecom partment
(/ page16 9)
% WhentheMer cedes‑ Benzemergency call
sy stem isactiv eand thealar mstay son for
mor eth an 30 sec onds, ames sageis aut o‐
mat icall ysen tto theCus tomer Assis tance
Ce nter (/ page 310).
% Inthecase ofsevere batt erydisc harging,
th eanti- theftalar msystem isaut omaticall y
deactiv ated tofacil itat eth ene xt engine
st ar t.
Deact ivat ing theATA #
Press theÜ, ßor008B buttononthe
Smar tKey .
or #
Press thest ar t/ stop butt onwithth eSmar t‐
Ke yin themar kedspace (/page16 9)
Dea ctivat ingth eala rm using KEYLESS-GO #
Grasp theoutside doorhandle withth e
Smar tKey outside theve hicle. Fu
nction oftheto w- aw ay alar m %
This function mayno tbe available inall
coun tries.
An audible andvisual alarmistrigg ered ifan
alt eratio nto your vehicle's angleof inclination is
de tected whi letheto w- aw ay alar misarmed.
The tow- aw ay alar misaut omat icallyar med afte r
appr oximat ely60 seco nds:
R afte rloc king theve hicle withth eSmar tKey
R afte rloc king theve hicle using KEYLES S-GO
The tow- aw ay alar mison lyarmed when thefo l‐
lo wing compone ntsar eclos ed:
R thedoor s
R theta ilg ate
The tow- aw ay alar misaut omat icallydeac tiva‐
te d:
R afte rpr essing theÜ or008B buttonon
th eSmar tKey
R afte rpr essing thest ar t/ stop butt onwithth e
Smar tKey inthestow agecom partment
(/ page16 9) Op
ening an dclos ing 91

R
afte runloc kingtheve hicle using KEYLES S-
GO
R when usingHAND S-FREE ACCES S
In fo rm atio non collision detection onapa rked
ve hicle (/page200). Ar
ming/disar mingtheto w- aw ay alar m Mul
timedi asy stem:
4 © 5
Set ting s5
Quick Access #
Arm or disar mTow-away Protection.
The tow- aw ay alar misarmed again inthefo llo w‐
ing cases :
R The vehicle isunloc kedag ain.
R Adoor isopened.
R The vehicle isloc kedag ain.
% Ifqu ick acc ess isuna vailable, selectth e
Vehicle submenu intheSet ting smain menu
to arm or disar mtheto w- aw ay alar m. Fu
nction oftheint erior motion sensor %
This function mayno tbe available inall
coun tries.
When theint erior motion sensor isactiv ated, a
visual andaudible alarmistrigg ered ifmo ve‐
ment isde tected intheve hicle interior .
The interior motion sensor isactiv ated aut omati‐
cally afte rapp roxima tely tenseco nds:
R afte rloc king theve hicle withth eSmar tKey
R afte rloc king theve hicle using KEYLES S-GO
The interior motion sensor isonl yactiv ated
when thefo llo wing compone ntsar eclos ed:
R thedoor s
R theta ilg ate
The interior motion sensor isaut omat icallydeac‐
tiv ated:
R afte rpr essing theÜ or008B buttonon
th eSmar tKey
R afte rpr essing thest ar t/ stop butt onwithth e
Smar tKey inthestor ag ecom partmen t
(/ page16 9) R
afte runloc kingtheve hicle using KEYLES S-
GO
R when usingHAND S-FREE ACCES S
The follo wing situat ionscanlead toafa lse
alar m:
R movingobje ctssuc has masc otsin theve hi‐
cle interior
R when theside windo wisopen
R when thesliding sunroofisopen
R when thepanor amicsliding sunroofisopen Ar
ming/deact ivating theint erior motion sen‐
sor Multi
media system:
4 © 5
Set ting s5
Quick Access #
Activateor deacti vate Interior MotionSen-
sor.
The interior motion sensor isactiv ated again in
th efo llo wing cases :
R The vehicle isunloc kedag ain.
R Adoor isopened. 92
Openin gand closin g

#
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. #
Neverlea vechildr enunat tende din the
ve hicle. Yo
ucan adjustth eseats when theignition is
switc hedoff. &
WARNIN GRisk ofbeco ming trap ped
whe nad jus ting theseat
When youadj usta seat ,yo uor other vehicle
occupants couldbecome trapped, e.g.onthe
seat guide rail. #
When adjustingaseat, makesur eth at
no onehas anypar tof their body within
th esw eep oftheseat. Obser
vethesaf etyno teson "Airbags" and"Chil‐
dr en intheve hicle". &
WARNIN GRisk ofacci dent dueto
adjus tingve hicle settin gswhile theve hi‐
cle isin mo tion
Yo uco uld lose contro lof theve hicle inthe
fo llo wing situat ionsinpar ticular :
R Ifyo uadj ustth edr iver's seat, thehead
re stra int s,thesteer ing wheel orthemir‐
ro rwhi letheve hicle isin mo tion.
R Ifyo ufa sten your seat beltwhile theve hi‐
cle isin mo tion. #
Beforest ar tin gth eengine: adjustth e
dr iver's seat, thehead restra int s,the
st eer ing wheel andthemir rorand fas‐
te nyo ur seat belt. &
WARNIN GRisk ofbeco ming trap ped if
th eseat height isadjus tedcar elessl y
If yo uadj ustth eseat height carelessly ,yo u
or other vehicle occupants couldbetrapped
and ther eb yinjur ed. Childr
eninpar ticular couldacciden tally
pr ess theelectr icalseat adjus tmentbutt ons
and become trapped. #
While moving theseats, makesur eth at
han dsorother body partsdo notget
und ertheleve rasse mbly oftheseat
adjus tmentsy stem. &
WARNIN GRisk ofinju rydue tohead
re stra int sno tbeing installed orbeing
adjus tedincor rectl y
If hea dre stra int sha ve notbe en installed or
ha ve notbe en adjus tedcor rectly ,th er eis an
incr eased risk ofinjur yin thehead andneck
ar ea, e.g. intheev ent ofan acciden tor when
br aking. #
Alw aysdr ive wit hth ehead restra int s
ins talled. #
Beforedr ivin gof f,mak esur efo rev ery
ve hicle occupant that thecent erofthe
head restra int suppor tsthebac kof the
head atabout eyeleve l. Seat
sand stow ing 95

Sea
tve ntil ation inthere ar passe nger com partment #
Press butt on1 repeat edly until thedesir ed
ve ntil ation leve lis set.
Depe ndingon theve ntil ation leve l,up to
th re eindicat orlam pswill light up.Ifall indi‐
cat orlam psareof f,th eseat ventil ation is
sw itched off. Ste
ering wheel Ad
jus tingthe steer ing wheel mechanicall y &
WARNIN GRisk ofacci dent dueto
adjus tingve hicle settin gswhile theve hi‐
cle isin mo tion
Yo uco uld lose contro lof theve hicle inthe
fo llo wing situat ionsinpar ticular :
R Ifyo uadj ustth edr iver's seat, thehead
re stra int s,thesteer ing wheel orthemir‐
ro rwhi letheve hicle isin mo tion.
R Ifyo ufa sten your seat beltwhile theve hi‐
cle isin mo tion. #
Beforest ar tin gth eengine: adjustth e
dr iver's seat, thehead restra int s,the
st eer ing wheel andthemir rorand fas‐
te nyo ur seat belt. &
WARNIN GRisk ofentr apment forch il‐
dr en when adjustingth esteer ing wheel
Childr encould injureth emselv esifth ey
adjus tth esteer ing wheel. #
Neverlea vechildr enunat tende din the
ve hicle. #
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. #
Tounlo ck:pu sh release leve r1 down as
fa ras itwil lgo. 11
2
Sea tsand stow ing

When
youswit chtheignition off,th esteer ing
wheel heaterswitc hesoff. Easy
entryand exitfeatur e Usi
ngtheeasy entryand exitfeatur e &
WARNIN GRisk ofacci dent whenpu lling
aw ay dur ing theadjus tmentpr ocess for
th eeasy exitfeatur e
Yo uco uld lose contro lof theve hicle. #
Alw ayswa itunt ilth eadjus tmentpr oc‐
ess iscom pletebef orepulling away. &
WARNIN GRisk ofbeco ming trap ped
whi lead jus ting theeasy entryand exit
fe atur e
Yo uand other vehicle occupants could
become trapped. #
Ensur eth at no-one has abody partin
th era ng eof mo vement oftheseat or
st eer ing wheel. #
Ifsomeon ebecomes trapped, movethe
st eer ing wheel adjustmentle ve r.
The adjus tmentpr ocess willbestop‐
ped.
If th er eis arisk ofbecoming trapped bythe
dr iver's seat: #
Press theseat adjus tmentswitc h.
The adjus tmentpr ocess willbestop‐
ped. Yo
ucan stop theadjus tmentpr ocess bypress‐
ing one ofthememor yfunc tion position
switc hes. &
WARNIN GRisk ofbeco ming trap ped
du ring acti vatio nof theeasy entryand
ex itfeatur eby childr en
If ch ildr enact ivat eth eeasy entryand exit
fe atur e,they can beco metrap ped ,pa rticu‐
lar lywhen unattende d. #
Neverlea vechildr enunat tende din the
ve hicle. #
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. If
th eeasy entryand exitfeatur eis act ive, the
st eer ing wheel willmoveupw ards and thedr iv‐
er's seat willmovebac kin thefo llo wing situa‐
tion s:
R Youswit chtheignition offwit hth edr iver's
door open.
R Youopen thedr iver's door withth eignition
switc hedoff.
% The steer ing wheel willthen mo veupw ards
on lyifit is no talr eady ashigh asitwill go.
The driver' sseat willthen mo vebac kwards
onl yif it is no talr eady inthere ar mos tposi‐
tio n.
The driver' sseat backres twill then mo vefor‐
wa rdsonly ifit is no talr eady inthefront ‐
mos tposition . 11
4
Sea tsand stow ing

The
steer ing wheel andthedr iver's seat will
mo vebac kto thelas tdr ive position inthefo l‐
lo wing cases :
R Youswit chthepo we rsupp lyor theignition
on when thedr iver's door isclosed.
R Youclo sethedr iver's door withth eignition
switc hedon.
The lastdr ive position willbesave dwhen:
R Youswit chtheignition off.
R Yousa ve theseat settings viathememor y
func tion
If yo upr ess oneof thememor yfunc tion position
switc hes,theadjus tmentpr ocess willbestop‐
ped. Oper
ating themem oryfun ction &
WARNIN GRisk ofan acci dent ifth e
memor yfunction isused whiledriving
If yo uuse thememor yfunc tion onthedr iv‐
er's side while driving, youco uld lose contro l of
theve hicle asare sult oftheadjus tments
being made. #
Onlyuse thememor yfunc tion onthe
dr iver's side when theve hicle isstatio n‐
ar y. &
WARNIN GRisk ofentr apment whense t‐
ting theseat withth ememor yfunc tion
When thememor yfunc tion adjus tstheseat,
yo uand other vehicle occupants –par ticu‐
lar lych ildr en–could becom etrapped. #
Dur ing theadjus tmentpr ocess ofthe
memor yfunction, makesur eth at no
on ehas anybody partsinthesw eep of
th eseat. #
Ifsomeon ebecomes trapped, press a
pr ese tposition buttonorseat adjus t‐
ment switchimmediat ely. &
WARNIN GRisk ofentr apment ifth e
memor yfunction isactiv ated bychildr en
Childr encould becom etrapped ifth ey act i‐
va te thememor yfunc tion,par ticular lywhen
unatt ended. #
Neverlea vechildr enunat tende din the
ve hicle. #
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. Yo
ucan usethememor yfunc tion when theigni‐
tion isswitc hedoff.
St oring
Seat adjus tment sfo rup tothre epeople canbe
st or ed and called upusing thememor yfunc tion.
Yo ucan save settin gsforth efo llo wing systems:
R Front seat
R Outside mirrors
R Hea d-up Display
R Steer ing column
R Seat contour Sea
tsand stow ing 11
5

1
Bag hook Co
athoo kon the tailgat e Thi
sequipme ntisavailable forall vehicles
exc eptMer cedes- Maybac hve hicles. 1
Coat hook ontheta ilg ate
Coat hooksar eno tsuit able forhea vyobjects.
Use thecoat hooksonl yfo rlig ht objects suchas
jac kets. Lo
cking and unloc kingthecar gocom part‐
men tflo or Th
iseq uip me ntisavailable forall vehicles
exc eptMer cedes- Maybac hve hicles. #
Turn theemer gency keya qu artertur ncloc k‐
wis e0048 (to loc k)or count er-cloc kwise 0047(to
unloc k). 13
2
Sea tsand stow ing

Dr
ivin g No
teson Mer cedes- AMGvehicl es Obser
vetheno teson thefo llo wing addition al
to pics intheSupplement ,as youma yot her wise
fa ilto recogni zedangers:
R Emo tion Start
R AMGAC TIVE adaptivespor tsuspension sys‐
te m Switc
hingonthepo we rsupp lyor theigni‐
tion (without engine star t) &
WARNIN GRisk ofacci dent andinjury
due tochildr enleftunat tende din the
ve hicle
If ch ildr enarelef tunsuper visedintheve hi‐
cle, they cou ld,in pa rticular :
R Open doors,ther 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 Chang eth etra nsmiss ionposition .
R Startth eve hicle. #
Neverlea vechildr enunat tende din the
ve hicle. #
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. #
Keep theSmar tKey out ofreac hof chil‐
dr en. Also
obser vethe"No teson pets intheve hicle".
Re quirement s:
R theSmar tKey islocat edintheve hicle and
th eSmar tKey batt eryis no tdisc harged.
R thebr ak epedal isno tdepr essed. #
Toswitc hon thepo we rsupp ly:pr ess but‐
to n1 once .
Yo ucan activat eth ewindshield wipers,for
ex am ple.
The powe rsupp lyis switc hedoffag ain ifth efo l‐
lo wing condition sar eme t:
R youopen thedr iver's door .
R youpr ess button1 twice mor e. 16
8
Driving and parking

#
Toswitc hon theignit ion:press butt on1
twic e.
The indic ator lam psintheins trument cluster
light up.
The ignit ionisswitc hedoffag ain ifone ofthe
fo llo wing condition sis me t:
R youdo notst ar tth eve hicle within
15 minut esand thetransmission isin posi‐
tion 005Dortheelectr icpar king brak eis
applied.
R youpr ess button1 once . St
arting theve hicl e St
arting theve hicl ewith thest ar t/s topbut‐
to n &
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 offire due toflammab le
mat erial intheengine compartmen tor
th eex haus tsy stem
Flammable materials mayignit e. #
Ther efor e, checkre gular lythat ther e
ar eno flammab lemat erials inthe
engine compartmen tor on theex haus t
sy stem. Re
quirement s
R The Smar tKey islocat edintheve hicle and
th eSmar tKey batt eryis no tdisc harged. #
Shif tth etra nsmiss iontoposition 005Dor005C. #
Depr essthebr ak epedal andpress butt on
1 onc e. #
Ifth eve hicle does notst ar t:switc hof fnon-
essential consumer sand press butt on1
once. #
Ifth eve hicle still does notst ar tand the
Place theKey inthe Marked SpaceSee
Operator's Manualmessagealso appear sin
th emultifunc tiondispla y:star tth eve hicle
wit hth eSmar tKey inthemar kedspace
(emer gency operati on mod e)(/ page 169).
% Youcan switchoffth eengine whiledriving
by pressing button1 forabo utthre esec‐
onds orby pressing button1 thre etimes
wit hin thre esecon ds.Besureto obser vethe
saf etyno tesunder "Driving tips"
(/ page17 3).
St arting theve hicl ewith theSm artK ey inthe
ma rked spa ce(emer gency oper ation mode)
If th eve hicle does notst ar tand thePlace the
Key inthe Marked SpaceSeeOperator 'sManual
messag eappear sin themultifunc tiondispla y,
yo ucan star tth eve hicle inemer gency operati on
mod e. Dr
iving and parking 16
9