engine MERCEDES-BENZ GLS 2021 User Guide

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

#
Press memor ybutt onMand, within thre e
seconds, press prese tposition button1.
The settings forth efront passeng erseat and
th ere ar seat arestor ed inthepr ese tposi‐
tion .
% Youcan notst or ean yse ttings onthebutt ons
fo rse tting andstra ight enin gth efully
re cli ned position.
Cal ling up #
Press button 1.
Whe nth eindicat orlam plights up,thefront
passeng erseat isselect ed. #
Press prese tposition button1.
Bo th seats moveintoth estor ed position.
% Youcan usethere ar-com par tment child
saf etyloc kto disable this func tion
(/ page65). St
ow agear eas No
teson loading theve hicl e &
DANG ER Risk ofexhaus tga spoisoning
Combus tionengines emitpoisonous exhaus t
ga ses suchas carbon monoxide.Exhaus t
ga ses can entertheve hicle interior ifth eta il‐
ga te isopen when theengine isrunning ,
esp ecially ifth eve hicle isin mo tion. #
Alw aysswitc hof fth eengine before
opening theta ilg ate. #
Neverdr ive wit hth eta ilg ateopen . &
WARNIN GRisk ofinju ryfrom unsecu red
it ems intheve hicle
If object s,lugg ageor loads areno tsecur ed
or notsecur edsuf ficie ntly,they cou ldslip,
tip ove ror be throw nar ou nd and ther eb yhit
ve hicle occupants.
Ther eis arisk ofinjur y,par ticular lyin the
ev ent ofsudden braking orasudden chang e
in dir ect ion. Seat
sand stow ing 11
9

Ext
erior light ing Inf
orma tion abou tlight ingsystems andyour
re sponsibility The
various lighting systems oftheve hicle are
onl yaids. Thedriver oftheve hicle isresponsible
fo rcor rect vehicle illumination inaccor dance
wit hth epr eva iling light andvisibilit ycon dition s,
leg alrequ iremen tsand traf fic situ ation. Li
ght switch Ope
ratin gthe light switch 0047
0063 Left-ha ndstandi nglam ps
0048 0064 Right-hand standi nglam ps
0049 0060 Parking lam psand licen seplat elam p
004A 0058 Automatic driving lights(pr efer redlight
switc hposition ) 004B
0058 Lowbeam/high beam
6 005E Switchesthere ar foglight on/of f
When low beam isactiv ated, the0060 indicat or
lam pfo rth epar king lampswill bedeactiv ated
and replaced bythe0058 low- beam indicat or
lam p. #
Alw ayspar kyo ur vehicle safely using suffi‐
cie ntlighti ng,inacco rdanc ewit hth ere le‐
va nt lega lst ipulation s.
* NO
TEBatt erydi sc ha rging byoper ating
th est andi nglight s Oper
atingth est andi nglight sove ra per iod of
hour sputs ast ra in on thebatt ery. #
Wher epossible, switchon the
ri ght 0064 orleft0063 parking light. In
theeve ntofsevere batt erydisc harging, the
par kinglam psorstandi nglam pswill be
swit ched offaut omatic allytofacil itat eth ene xt
engine star t. Ligh
tand visibilit y14
3

Multimedia
system:
4 © 5
Set ting s5
Light
5 Exterior Lightin gDelay #
Setth eswitc h-offdela ytime.
When theve hicle engine isswitc hedoff,th e
ex terior lighting willbeactiv ated forth ese t
time. Switc
hingthesur round lighting on/off Mul
timedi asy stem:
4 © 5
Set ting s5
Light
5 Locat orLightin g
When LocatorLightin gis activ e,theex terior
lighting lightsupfor40 seconds afte rth eve hicle
is unloc ked. When youst ar tth eve hicle, thesur‐
ro und lightingisdeac tivated and theaut omatic
dr iving lights areactiv ated.
Illuminat edrunning boards:when thesur‐
ro und lightingisswit ched on, theillumination of
th eru nning boards isacti vatedwhen adoor is
opened. Ifth edoor isno tclosed, theru nning
bo ard courtesy lighting isaut omaticall ydeactiv a‐
te daf te r40 seconds. #
Activateor deacti vate thefunc tion. Int
erior lighting Ad
jus tingthe inte rior light ing Fr
ont overhead contr olpa nel 1
003D Front leftre adin glam p
2 0033 Automatic interior ligh ting contr ol
3 004A Front interior lighting
4 0042 Rear interior light ing
5 003D Front right readin glam p #
Toswitc hon oroff:pr ess butt on1 –5
accor dingly.
Contr olpanel inthegr ab handle 1
003D Rear readin glam p #
Toswitc hon oroff:pr ess butt on1. 14
8
Light andvisib ility

#
Foldthewiper arm from there placemen t
position backont oth ere ar wind ow. Mir
rors Oper
ating theout side mirrors &
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 ofacci dent dueto mis‐
judgment ofdis tance when using the
fr ont-passe nger mir ror
The outside mirroron thefront passeng er
side reflect sobjec tson asmaller scale. #
Ther efor e, alw ayslook over your sho ul‐
der inorder toensur eth at youar e
aw areof theactual distance betwee n
yo uand thero ad user sdr ivin gbehin d
yo u. Fo
lding theout side mirrors in/out #
Brief lypress butt on2.
% Ifth ebatt eryhas been discon nectedorhas
disc harged, theoutside mirrors mus tbe
mo vedbr ief lyusing button2. Onlyth en will
th eaut omatic mirrorfo lding function work
pr oper ly. Light
andvisib ility 15
5

%
Mer cedes-Ma ybachve hicles: whentheout‐
side mirrors fold in, theex tenda ble ru nning
bo ards willre tract ifth ese wereprev iousl y
ex tende d.
Ad jus tingthe outsi de mir rors #
Press butt on1 or3 toselect theoutside
mir rorto be adjus ted. #
Press butt on4 toadjus tth eposition ofthe
mir rorgl ass.
Eng agin gth eout side mirrors
If an outsid emir rorhas been forc ibl ydisen ‐
ga ge d, proceed asfollo ws . #
Vehicles without electr icallyfo lding outside
mir rors:manu ally mo vetheoutside mirror
int oth ecor rect pos ition. #
Vehicles withelectr icallyfo lding outsidemir‐
ro rs:pr ess and holdbu tton 2.
Yo uwill hear aclic kand themir rorwil lau di‐
bl yclic kint opla ce. The outsi demir rorwil l
no wbe setto thecor rect pos ition. Au
tomatic anti-glar emir rors functio n &
WARNIN GRisk ofaci dbu rnsand poi‐
soning duetotheanti- glar emir rorelec‐
tr olyt e
Electr olytema yescap eif th eglass inan
aut omat icant i-glar emir rorbr eak s.
The electr olyteis hazardous tohealt hand
causes irrita tio n.Itmu stnotcome intocon‐
ta ct with your skin, eye s,respir ator yor ga ns
or clo thing orbe swallo wed. #
Ifyo uco me intoco ntact withelec tro‐
ly te ,obser vethefo llo wing:
R Imm ediat elyrinse theelectr olyte
fr om your skin wit hwa terand seek
medica latt ention.
R Ifelectr olyt ecomes intocont act
wit hyo ur eyes, immediat elyrinse
th em thor oughly withclean water
and seek medicalattent ion.
R Ifth eelectr olyt eis sw allo wed,
immediat elyrinse your mout hout
th or oughl y.Do notind uce vomiting.
Seek medica latt ention immedi ately . R
Immedia tely ch ang eout ofclo thing
whic hhas been contaminat edwith
electr olyt e.
R Ifan allergic react ion occurs, seek
medi calattent ion imm ediat ely. The
inside rear vie wmir rorand theoutside mir‐
ro ron thedr iver's side willautomatic allygo into
anti- glar emode iflight from aheadlam phit sth e
sensor ontheinside rear vie wmir ror.
Sy stem limit s
The system will notgo intoanti- glar emode if:
R The engineisswit ched off.
R Reversege ar iseng aged.
R The interior light ingisswit ched on. Fr
ont- passeng erout side mirrorpar kingpos i‐
tio nfun ction %
The parking posit ionisavailable onlyin vehi‐
cles withamemor yfunct ion.
The parking position makespar king easier . 15
6
Light andvisib ility

Ov
ervie wof climat econtr olsystems No
teson climat econtr ol An
interior airfilt er incom binat ionwithth epr e‐
fi lt er intheengine compartmen tmus talw aysbe
used sothat theair con ditionin gsy stem, pollu‐
tion leve lmon itor ing and theair filtration work
cor rectl y.Mak esur eth at thefilt er isins talled
cor rectl yand thefilt er housin gin theengine
com partmen tis closed correctl yus ing thecap
and alwaystightl ysealed wheninoper ation. Use
fi lt er sre comme ndedandapprove dby
Mer cedes-Ben z.Alw aysha ve ser vice workcar‐
ri ed out ataqu alif ied spec ialistwo rkshop. Ov
ervie wof theair condit ioning control
pa nel The
indic ator lam pson thebutt ons indicat eth at
th ecor responding functionisactiv ated. Ex
am ple: cont rolpanel fordua l-zone automatic cli‐
mat econtr olwit hstatio naryheat er
1 0082 Setsthedr iver's side temp eratur e
2 A Callsup/exitstheair con ditionin g
menu
Pr essing andholding (approx.fo ur sec onds):
re se ts climat econt rolto thebasic settings
3 H Setstheair flow orswitc hesoffclimat e
cont rol
4 0058 Setsclimat econtr olto aut omat ic
mode (/page16 1)
5 0064 Defrosts thewindshield
6 006C Switchesthere ar wind owheat er
on/of f 7
0072 Switchesair-recir culation modeon/off
(/ page16 2)
8 0056 SwitchestheA/C function on/off
(/ page16 0)
Switc hesresidua lheat on/of f(/ page16 2)
9 Vehicles withcont rolpanel fordua l-zone
au tomatic climatecontr olor 3-zone auto‐
matic climatecontr olwithout statio nary
heat er:0 switches sync hroniz ation
on/ off(/ page16 2)
Ve hicles withcont rolpanel fordua l-zone
au tomatic climatecontr olor 3-zone auto‐
matic climatecontr olwith statio naryheat er:
003B switches statio naryheat eron/of f
A 0082 Setsthete mp eratur eon thefront
passeng erside Climat
econ trol 15
9

Contr
olling there ar climat eco ntr olaut omat‐
ical ly #
Select REAR AUTO.
Re ar clim atecon trol iscon trolled automat i‐
call y.
Deact ivat ing rear climat eco ntr ol #
Select REAROFF.
Re ar clim atecon trol isdeac tivated. Ac
tiv atin g/deac tivatin gthe climat eco ntr ol
syn chronizat ionfunction viathecontr ol
pa nel Climat
econ trol can besetcen trall yusing the
sync hronization function.Thetemp eratur eand
air distribution setting forth edr iver's side willbe
adop tedaut omatic allyfo rall clima tecontr ol
zones. #
Press the 0 button.
The sync hroniz ation function willbedeactiv ated
if th ese ttings forone oftheot her climat ezones
ar ech ang ed. Ac
tiv atin g/deac tivatin gthe climat eco ntr ol
syn chronizat ionfunction viathemu ltim edia
sy stem Climat
econ trol can besetcen trall yusing the
sync hronization function.Thedriver's settin gs
fo rte mp eratur e,air quant ityand airdistribut ion
ar eadop tedaut omatic allyfo rall clima tezone s. #
Callup theair con ditionin gmenu
(/ page16 0). #
Select FirstRowofSeats . #
Select SYNC. Re
mo ving conde nsatio nfrom the windo ws Wi
ndo wsfogg ed up ontheinsid e #
Press the0058 button. #
Ifth ewindo wscontinu eto fogup: press the
0064 button.
Wi ndo wsfogg ed up ontheout side #
Swit chon thewindshield wipers. #
Press the 0058 button. Switc
hingair-recir culation modeon/off #
Press the0072 button.
The interior airwill berecir cul ated.
Air -reci rculati onmod eaut omat icallyswit ches to
fr esh airmode afte rsome time.
% Ifair -recir cula tion mode isswi tched on,the
windo wsmayfo gup mor equ ickl y. Swi tchon
ai r-re cir cul ation mod eonly briefly. Switc
hingthere sidual heatonoroff Re
quirement s:
R The vehicle ispar ked.
It is possible tomak euse ofthere sidua lheat
fr om theengine tocontinu ehea ting orventil at‐
ing thefront com partmen tof theve hicle for
appr oximat ely30 min utes, depen dingonthe
te mp eratur ese t. #
Toactiv ate: press 0056 button.
Re sidua lheat willbeswitc hedoffaut omaticall y. 16
2
Climat eco ntro l

Switc
hingthere sidual heatinthere ar
passe nger comp artment on/off Re
quirement s:
R The vehicle ispar ked.
When there sidua lheat oftheengine isactiv ated
in there ar com partment ,yo ucan heat orventi‐
la te there ar passe nger com partment forapp rox‐
ima tely 30 minu tes. #
Press butt on5 (/ page16 0). Ac
tiv atin g/deac tivatin gio ni zatio n Ioni
zationimpr oves thequ alit yof theve hicle's
int erior air.Ionization oftheint erior airisodor‐
less. #
Call uptheair con ditionin gmenu
(/ page16 0). #
Select AirQua lity. #
Select IONIZAT ION. Fr
ag rance system Se
tting thefrag rance system
Re quirement s:
R Automatic climatecontr olisacti vated.
R The glove boxis closed.
The fragr ance system distribut esapleasant fra‐
gr ance thro ughout theve hicle interior from afla‐
con located intheglov ebo x. #
Call uptheclimat econ trol menu
(/ page16 0). #
Select AirQua lity. #
Select AIRFRESHENER . #
Keep pressing untilthedesir edintensit yis
re ac hed. Inser
tingor remo ving the flacon ofthefra‐
gr ance system &
WARNIN GRisk ofinju ryfrom liquid per‐
fume
If ch ildr enopen theflacon ,th ey cou lddrink
th eliq uid perfume oritcould come intocon ‐
ta ct with their eyes. #
Donotlea vechildr enunat tende din the
ve hicle. #
Consult adoct orimmediat elyifliq uid
per fume hasbeen drunk . #
Ifliq uid perfume comes intocont act
wit hyo ur eyes orskin ,ri nse your eyes
wit hclean water. #
Ifsym ptoms continue, consult adoct or. Climat
econt rol 16
3

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