light MERCEDES-BENZ GLS 2021 Workshop Manual

#
Press thewiper bladeontoth ewiper arm in
th edir ect ion ofarrow 3beyond thepoint of
re sis tance.
The wipe rbl ad ewi lleng agewi th ano tic eable
clic kand movefreely again. #
Foldthewiper arm bac kont oth ewindshield. Re
plac ingthe rear windo wwi per blade &
WARNIN GRisk ofbeco ming trap ped if
th ewindshield wipersar eswitc hedon
while wiper blades arebeing replaced
If th ewindshield wipersbegin tomo vewhile
yo uar ech ang ingthewiper blades, youcan
be trapped bythewiper arm. #
Alw aysswitc hof fth ewindshield wipers
and theignition beforech ang ingthe
wiper blades. Re
mo ving the wiper blade #
Swi tchth eignition off. #
Foldwiper arm 2 away from there ar win‐
do wunt ilit eng ages inthere placemen tposi‐
tion . #
Unclipwi per blad e1 from wiper arm 2
and remo veitin thedir ect ion ofarro w 3. Ins
talling thewiper blade #
Position wiper blade1withbo th lugs 3on
holder 2onthewiper arm. #
Push wiper blade1inthedir ect ion ofarrow
4 untilit en gage sin holder 2. #
Mak esur eth at wiper blade1isseat edcor ‐
re ctly . 15
4
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

In
thefo llo wing situat ions,th efront -passen ger
outside mirrorwil lswiv eldo wn wardsin the
dir ect ion ofthere ar wheel onthefront passeng‐
er's side:
R The parking position isstor ed (/ page15 7)
R Thefron t-pa ssenger mirror isselect ed
R Reversege ar iseng aged.
The fron t-passe nger out side mirrorwil lmo ve
bac kto its original positioninthefo llo wing sit‐
uation s:
R Youshif tth etra nsmiss iontoano ther tra ns‐
mission position
R Youar etra veling atspeeds grea terth an
9 mp h(1 5 km/h)
R Youpr ess thebutt onforth eoutside mirror
on thedr iver's side St
oring and calling upthepa rking posit ionof
th efront- passeng erout side mirror Sto
ring #
Select thefront -passen geroutsi demir ror
usin gbut ton1. #
Eng agere ve rsege ar. #
Movethefront -passen geroutsi demir rorint o
th edesir edpar king position usingbutton2. Calling
up #
Select thefront -passen geroutsi demir ror
usin gbut ton1. #
Eng agere ve rsege ar.
The fron t-passe nger out side mirrorwil lmo ve
to thestor ed par king position. Ac
tiv atin g/deac tivatin gthe automati cmir ror
fo lding function Multime
diasystem:
4 © 5
Set ting s5
Vehicle #
Switc hAutom aticFolding onoroff. Light
andvisibility 15
7

Ar
ea per mea bletoradio wav eson the
wind shield Ra
dio-co ntro lled equipmen t,suc has tollsy s‐
te ms, can bemount edonly onareas 1ofthe
winds hieldthat areper meabl eto radio wav es.
Ar eas permeable toradio wav es1 arebes tvisi‐
ble from outside theve hicle when thewindshield
is illuminat edwithan extern al light source.
No tethis posit ionforve hicles with:
R Windsh ield hea ting
R Infrared reflect ive windshield Infr
ared-r eflectiv ewindshield function
The infra red-r eflectiv ewindshield iscoat edand
re duces thebuild-up ofheat intheve hicle inte‐
ri or .
The coating shieldstheve hicle interior from
ra dio waves. 15
8
Light andvisib ility

#
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

St
arting theve hicl e(R emo teOnline) &
WARNIN GRisk ofcrus hing orentr ap‐
ment dueto unin tentio nalstar tin gof the
engine
Limbs couldbecrushed ortra pped ifth e
engine isstar tedunint entionall ydur ing
ser vice ormaint enanc ewo rk. #
Alw ayssecur eth eengine agains tunin‐
te ntio nalstar tin gbef orecar rying out
maint enanceorrepair work. Re
quirement s:
R Park position 005Disselect ed.
R The anti- theftalar msystem isno tactiv ated.
R The panic alarmisno tactiv ated.
R The hazar dwa rning light system isswitc hed
of f.
R The hood isclosed.
R The door sar eclosed andlocked.
R The windo wsand slidin gsun roof areclosed. #
Startth eve hicle using thesmar tphon e.
Af tereve ryengine star t,th eengine runs for
te nminu tes.
Yo ucan carryout amaximum oftwoconsec u‐
tiv est ar tin gatt em pts. The vehicle mustbe star‐
te donc ewit hth eSmar tKey bef oretrying to
st ar tth eengine again withth esmar tphon e.you
can stop theve hicle again atanytime.
% Further information canbefound inthe
smar tphone app.
Secur ingtheengine agains tst ar ting before
car rying out maintenance orrepair work: #
Swi tchon thehazar dwa rning light system.
or #
Unloc kth edoor s.
or #
Open aside windo wor thesliding sunroof. Br
eaking-in notes Mer
cede s-AMG vehicl es:obse rveth eno tesin
th eSupplement .Yo uco uld other wise failto rec‐
ogni zedangers. To
preser vetheengine during thefirs t
1, 000 miles(1 ,500 km):
R drive at varying road spee dsand engine
spee ds.
R drive th eve hicle indrive pr ogr am A
or ;.
R shif tto thene xt highes tge ar attheve ry lat‐
es twhen theneedle reac hes thelas tth ird
bef oreth ere dar ea intheta ch ome ter.
R donotshif tdo wn age ar man uallyin order to
br ak e.
R avoidoverstra inin gth eve hicle, e.g.driving at
full thro ttle .
R donotde press theaccelera torpeda lpas t
th epr essur epoint (kickdo wn).
R onlyincr ease theengine speedgradually and
accelera tetheve hicle tofull spee daf te r
1, 000 miles(1 ,500 km).
This also app lieswhe nth eengine orpar tsof the
dr ivet ra in have been replaced. Dr
iving andparking 17
1

If
yo udo notswit choffth eignition ,th eignition
is aut omaticall yswitc hedoffaf te rth re e
minut es.
De activ ating oractiv ating theECO star t/
sto pfunc tion #
Press button 1.
A displ ayappear sin theins trument cluster
when switching theEC Ostar t/ stop funct ion
of f/on .
% Acont inuous sdispla yappear sin the
ins trumen tclus terwhi letheEC Ostar t/ stop
funct ionisdeactiv ated. ECO
displa yfunction The
ECOdispla ysummar izesyour drivin gch ar‐
act eristic sfrom thest ar tof thejour neyto its
com pletion andassis tsyouin achie vingth e
mos teconomical driving style.
Yo ucan influen ceconsum ption bydoing thefo l‐
lo wing:
R Drive wit hpar ticular care
R Drive th eve hicle indrive pr ogr am ;
R Followthege arshif tre comme ndations The
letter ing inthesegment willlight upbrightl y,
th eout eredg ewill light upand thesegmen twill
fi ll up when thefo llo wing drivin gst yle is adop‐
te d:
R 1 Steady speed
R 2 Gentle deceler ationandrolling
R 3 Moderat eacc eler ation
The letter ing inthesegment willbegra y,the
out eredg ewill bedar kand thesegment will
em ptywhen thefo llo wing drivin gst yle is adop‐
te d:
R 1 Fluct uations inspeed
R 2 Hea vybraking 18
0
Driving and parking

R
3 Spor tyacce lera tio n
The ECO disp lay wi llsho wyo uwhen youha ve
dr iven econ omicall y:
R The thre esegment swill fill up com pletely at
th esame time
R The edgesaround allthre esegment swill
light up
The additional rang eac hieve das are sult ofyour
dr ivin gst yle in com parison withadr iver wit ha
ve ry spor tydriving style will besho wninthe
cent erofdispl ay4 .The rang edispl ayed does
no tindicat eafixe dre duction incon sum ption. ECO
Assis tfunct ion Ve
hicl eswith a48 Von-b oardele ctrical sys‐
te m (EQ Boo sttech nology):
EC OAssis tanalyz esdat afo rth eve hicle's expec‐
te dro ute. This allowsthesy stem tooptimally
adjus tth edr iving style fo rth ero uteahead, save
fuel andrecup erate. Ifth esy stem detects an
eve ntahead, e.g .a spe edlimit oraro unda bout, it
will appear onthemultifunc tiondispla y.The
fo llo wing symbols canbedispla yed: Ex
am ples ofan eve ntahead 1
Event ahead
2 Distance displ ayforth eev ent ahead
3 "Foo tof fth eacceler ator" prom pt
Dis tance displ aysegments 2showthedis‐
ta nce totheeve ntaheadas follo ws :
R Afew segm entslight up:theeve ntaheadis
nea r.
R Man ysegments lightup:theeve ntaheadis
fur ther aw ay.
When theve hicle nearsth eeve nt,ECOAssi st
will calc ulateth eop timal speed formaximu m
fuel econom yand recup erati ve ener gybased on
th edis tance, speedand downh ill gr ad ient. The Dr
iving and parking 18
1

Foot
offthe Accele rator3mess ageap pea rsin
th emultifunc tiondispla y.The firs tse gme ntsin
fr ont oftheve hicle willturngr een. Theremain‐
ing segments willinitia llystay whit e.Ifth edr iver
ta ke sth eir foot offth eacceler ator pedal ingood
time, there maini ngsegments onthedispla ywill
success ivel ytur ngr een until theeve ntsho wnis
re ac hed. Thedrivet ra in will besetfo rmaximu m
fuel econom y.Re cup erati on willch arge thebat‐
te ry.Re cup erati on willbe adaptedto theselec‐
te ddr ive pr og ram.
The eventwillbe sho wnfora shor ttime afte rit
has been passed.Ifth er eis no response tothe
Foot offthe Accele ratorprom pt,th esegment s
will remain white.
If th eeve ntinvo lves ave hicle infront, allseg‐
ments willimmediat elytur ngr een once ther eis
a re sponse totheFoot offthe Accelerator
pr om pt.
Fo ractiv eEC OAssis tin drive pr ogr am ;,
symb ol3 willapp ear onthemultifunc tiondis‐
pla yand ontheHead-up Displaybeside trans‐
mission position 005B.Symbol 3will also appear
when theassis tant displ ayisno tselec ted. If
th esy stem does notint erve ne during the
eve ntahead, nothing will bedispla yed. The sys‐
te m ispass ive.
EC OAssis tis activ eonl yin drive pr ogr ams ;
and A.
Sy stem limit s
EC OAs sis tcan function evenmor epr eci sely if
th ero uteis adher edtowhen routeguidan ceis
act ive. The basic function isalso available with‐
out active ro uteguidan ce.Notall informat ion
and traffic situ ations canbefore seen. Thequal‐
ity depen dson themap data.
EC OAssis tis onl yan aid. Thedriver isresponsi‐
ble forke eping asaf edis tance from theve hicle
in front, forve hicle speed andforbr aking in
good time. Thedriver mus tbe ready tobrak eat
all times irre spectiv eof whe ther thesy stem
int erve nes.
The system maybe impair edorma yno tfunc tion
in thefo llo wing situat ions:
R Ifth er eis poor visibility ,e.g. due toinsuf fi‐
cie ntillu mina tionofthero ad, high lyvariable
shade condition s,rain, sno w,fogor hea vy
spr ay. R
Ifth er eis glar e, e.g .fr om oncom ingtraf fic,
di re ct sunli ght orreflect ions.
R Ifth er eis dir ton thewindshield inthear ea
of themultifunc tioncamer aor thecamer ais
fo gg ed up, damag edorobscur ed.
R Iftraf fic sig ns areha rd todiscer n,e.g. due to
dir t,sno wor insuf ficie ntlighti ng,orbeca use
th ey areobsc ured.
R Ifth einf ormation onthena vig ation system's
digit almap isincor rect or outof date.
R Ifsigns areambi guou s,e.g. traf fic sig ns in
ro adw orks orinadjacent lanes. DY
NA MIC SELECT switch Fu
nction oftheDY NA MIC SELECT switch Mer
cede s-AMG vehicl es:obse rveth eno tesin
th eSupplement .Yo uco uld other wise failto rec‐
ogni zedangers.
% Depe nding ontheengine andequipment,
th eve hicle hasdiffere nt drive pr ogr ams. 18
2
Driving and parking