2021 MERCEDES-BENZ GLS SUV roof

Symbols
........................................................ 5 At
agl ance ....................................................6
Coc kpit ....... ..................... ..................... ..........6
Indica torand warning lam ps.........................1 0
Ov erhead controlpanel ................................ 12
Doo rcontr olpa nel and seatad jus tment .......14
Con trol setting sin there ar passe nger
com partment ................................................ 16
Emerg enciesand brea kdo wns ............ .......... 18 Digita
lOp erator' sMa nua l......................... 20
Callin gup theDigit alOper ator's Manual ...... 20 Gener
alno tes... .......................................... 22
Pr otect ing theen vironmen t... ....................... 22
Mer cedes- BenzGenuineP arts ......... .............. 23
Oper ator's Manual ........................... .............2 3
Ser vice andvehicle operation ......... .............. 24
Oper ating safety...........................................2 5
Decl arati on ofconf ormity forwireless
ve hicle component s... ................................... 27
Dia gno stics con nection ................................ 27 Qua
lified speci alistwo rkshop ....................... 28
Cor rect useof theve hicle ............................2 8
Spor tUtil ityVehicle ........................ .............. 29
No tesfo rper sons withelectr onicmedi‐
cal aids..... ........................................ ............ 29
Pr oble mswithyo ur vehicle ............... ............ 29
Re por tingsaf etydef ects ...............................3 0
Limit edWarrant y.......................................... 31
QR code forre scue card... ............... .............3 1
Dat ast or ag e... ..............................................3 1
Cop yright ...................................................... 34 Occup
antsafety.... .....................................36
Re stra int system .............................. .............3 6
Sea tbel ts<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 38
Airb ags<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 42
PR E-S AFE ®
sy stem ....................................... 49
Au tomatic measu resaf te ran accide nt..... .... 51
Saf ely transp orting childr enintheve hi‐
cle ...... ........................................................... 51
No teson pets intheve hicle ............ .............6 6 Opening
andclosing .................................. 67
Smar tKey <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 67Doo
rs<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 70
Ru nning boards <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>74
Car gocomp artm ent .....................................7 5
Sid ewi ndo ws<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 81
Sli ding sunroof <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 84
Ro ller sun blinds ...........................................8 9
Anti-t heftpr otect ion .....................................9 0 Seats
andstowing ...................................... 94
No teson thecor rect driver's seatpos i‐
tion <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011>.......94
Sea ts<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 94
St eer ing wheel ............................................ 112
Eas yentr yand exitfeatur e.......................... 114
Oper ating thememor yfunc tion .................. 115
Memor yfunct ioninthere ar passe nger
com partment .............................................. 116
St ow agear eas .............................................1 19
Cup holder.................................................. 133
Soc kets ........... ............................................ 135
Re frig er ator box...... .................................... 137
Wi reless chargin gof themobile phone
and connect ionwithth eex terior ant enna ..139
Ins talling/ remo ving thefloor mats .............. 141 2
Contents

1
Sun visors
2 003D Switches thelef t-hand readin glam p
on /of f →
148
3 0033 Switches automatic interior ligh ting con‐
tr ol on/of f →
148
4 004A Switches thefront interior lighting
on/ off →
148
5 0042 Switches there ar interior light ing
on /of f →
148 6
003D Switches theright-h andreadin glam p
on /of f →
148
7 ; mebutt on →
304
8 0053 SOSbutton →
304
9 0057 Opens closesthepanor amaroof wit h
po we rtilt/sli dingpanel →
84
0057 Opens/closes thero ller sunblin d →
84
A Inside rear vie wmir ror →
156 At
aglanc e– Ov erhead control pane l13

Pr
otecting theen vir onmen t
+ ENV
IRONM ENTALNOTEEnvironme ntal
da ma gedue tooper ating condit ionsand
per sonal driving style The
pollut antemission oftheve hicle is
dir ectl yre lat ed tothewa yyo uoperat eth e
ve hicle.
Oper ateyo ur vehicle inan environment ally
re sponsible mannertohelp protect theen vi‐
ro nment. Plea se obser vethefo llo wing rec‐
omme ndations onope rating cond itions and
pe rsonal driving style.
Oper ating conditions: #
Mak esur eth at thetir epr essur eis cor‐
re ct. #
Donotcar ryanyunn ecessar ywe ight
(e.g. roof lugg agera ck sonce youno
lon gerneed them). #
Adher eto theser vice interva ls.
A regular lyser viced vehicle willcont rib‐
ut eto environmen talpr otect ion. #
Alw aysha ve maint enance workcar ried
out ataqu alif ied spec ialistwo rkshop.
Pe rsonal driving style: #
Donotdepr esstheaccelera torpeda l
when star tin gth eengine. #
Donotwa rm uptheengine whilethe
ve hicle isstatio nary. #
Drive car efu llyand maintain asu itab le
di st anc efrom theve hicle infront. #
Avoid freq uent, sudden acceleration
and braking. #
Chang ege ar ingood timeand useeach
ge ar onlyup to00C3 ofits maximum
engine speed. #
Switc hof fth eengine instatio narytraf‐
fi c, e.g. byusin gth eEC Ostar t/ stop
funct ion. #
Drive fuel-ef ficie ntly .Obs erve theEC O
displa yfo ra fuel -efficie ntdrivi ng style. +
ENVIR
ONMEN TALNO TEEnvironme ntal
po lluti on cau sed byirre sponsible dis‐
posal ofthehigh-v oltagebatt ery A
high-v oltagebatt erycon tains mat erials
whic har ehar mful totheen vironmen t. #
Dispose ofdef ective high-v oltagebat‐
te ries ataqu alif ied spec ialistwo rk‐
shop. En
vir onmental issuesandrecomm endations:
It is recomme ndedthat youre -us eor recy cle
mat erials ins tead ofjus tdispo singof them.
The releva nt environme ntal gu ideline sand regu‐
lations servetoprotect theen vironmen tand
mus tbe strictly observe d. 22
Gener alno tes

Mer
cede s-Benz GenuineParts
+ ENVIR
ONMENT ALNOTEEnvironme ntal
da ma gecau sed bynotus ing recy cle d
re condi tionedcom pone nts Mercedes-Be
nzAG offers recy cle dre condi ‐
tione dcom pone ntsand parts wit hth esame
qu alit yas newpar ts.The same entitlemen t
fr om theLimit edWarrant yis valid asforne w
par ts. #
Recycle dre condi tionedcom pone nts
and parts from Mer cedes-Benz AG. *
NO
TEImpairment oftheoper ating effi‐
cie ncy ofthere stra int systems from
ins talling accessor ypar tsor from repair s
or we lding Air
bags andEmerge ncy Tensi oni ng Device s,
as wellas con trol unit sand sensorsfo rth e
re stra int systems, maybe installed inthefo l‐
lo wing areas ofyour vehicle:
R Door s R
Door pillars
R Doo rsi lls
R Sea ts
R Cockpit
R Instrument cluster
R Cen terconsole
R Lateral roof frame #
Donotins tallacc essor ypar tssuc has
audio systems inthese areas. #
Donotcar ryout repair sor we lding. #
Have afte rm arke tins tallation ofacc es‐
sor ies carried out ataqu alif ied spec ial‐
is two rkshop. Yo
uco uld jeopar dizeth eoper ating safetyof your
ve hicle ifyo uuse parts,tir es and wheel sas well
as acc essor iesreleva nt tosaf etywhic hha ve not
be en approve dby Mer cedes-Ben z.Saf ety-re le‐
va nt systems, e.g.thebr ak esy stem, maymal‐
func tion.Onl yuse Mercedes- BenzGenuineP arts
or par tsof equal qualit y.Onl yuse tires, wheels and
accessor ypar tsthat have been specif ically
appr ovedfo ryo ur vehicle model.
Mer cedes-Ben zGenuineP arts aresubject to
st rict qualit yins pec tions.Eac hpar thas been
spec iallyde veloped, manufactured orselec ted
fo rMer cedes-Benz vehicles andadap tedto
th em. Ther efor e, onl yMer cedes- BenzGenuine‐
Pa rts should beused.
Mor eth an 300,0 00 differe nt Mer cedes-B enz
Ge nui neP arts areav ailable forMer cedes-Benz
model s.
All author ized Mercedes-B enzCent ersmaint ain
a supply ofMer cedes-B enzGenuineP arts for
nece ssaryser vice andrepair work.In addition,
st ra tegically locatedpar tsdeliv erycent erspr o‐
vide forqu ick and reliable partsser vice .
Alw aysspecify theve hicle identif ication number
(VIN) (/page392) when order ing Mer cedes-
Benz GenuineP arts. Oper
ator's Manual
This Oper ator's Manual describesallmodels and
all standar dand optio nal equipme ntavailable for Gene
ralno tes 23

wit
habuild corresponding tothat ofan adult
shoul dno tuse thefront passeng erseat.
Ins tead, they should useare ar seat .
R Ifth efront passeng erseat isoccupied bya
per son ofsmaller statur e(e. g.ate enag eror
small adult), thePA SSENGER AIRBAGOF F
ind icat orlam peit her light sup con tinuousl y
or remains off,depe nding ontheclassif ica‐
tion .
- Ifth ePA SSENGER AIRBAGOF Find icat or
lam pis off:mo vethefront passeng er
seat asfarbac kas possi ble,ortheper‐
son ofsmaller statur eshoul duse are ar
seat .
- Ifth ePA SSENGER AIRBAGOF Find icat or
lam pis lit con tinuousl y:theper son of
smaller statur eshoul dno tuse thefront
passeng erseat. &
WARNIN GRisk ofinju ryor deat hwhen
th ePA SSENGER AIRBAGOF Find icat or
lam pis lit
If th ePA SSENGER AIRBAGOF Find icat or
lam pre mains litafte rth eself-t est,th efront
passeng erairbag isdisabled.
If th efront passeng erseat isoccupied,
alw aysensur eth at:
R The classificat ion oftheper son inthe
fr ont passeng ersea tis cor rect and the
fr ont passeng erairb agisenabl edordisa ‐
ble din accor dance withth eper son inthe
fr ont passeng ersea t.
R The person issea tedpr oper lywit hacor ‐
re ctly fastened seatbelt. Be
sureto also obse rveth efo llo wing further
re lat ed subje cts:
R Sec uring thech ild restra int system onthe
fr ont passeng ersea t(/ page62) PRE-S
AFE®
sy stem PRE-
SAFE®
(ant icipa tory occupa ntprotec‐
tion) PRE-
SAFE®
is ab leto detect cer tain critic aldriv‐
ing situat ionsandimplemen tpr e-em ptive meas‐
ur es toprotect theve hicle occupants.
PRE-S AFE®
can implement thefo llo wing meas‐
ur es indepe ndently of eac hot her :
R Tight ening theseat belts onthedr iver's seat
and front passeng erseat.
R Closing theside windo ws.
R Vehicl eswith sliding sunroof:Clo sethe
sliding sunroof.
R Vehicl eswith memor yfuncti on:Movethe
fr ont passeng ersea tto amor efa vo rable
seat position .
R Vehicl eswith memor yfuncti oninthe
re ar passe nger comp artment :mo vethe
out errear seat sto amor efa vo rable seat
position . Occ
upant safety 49

Con
venience opening (ventilating theve hicl e
bef orest ar ting ajour ney) &
WARNIN GRisk ofentr apment when
ope ning asid ewi ndo w
Whe nope ning asid ewi ndo w,par tsof the
body could bedraw nin or become trap pe d
be twee nth eside windo wand windo wframe. #
When opening ,mak esur eth at nobody
is touc hin gth eside windo w. #
Release thebutt onimmediat elyif
somebody becomestrapped. #
Press and hold theÜ buttononthe
Smar tKey .
The follo wing functionsar eper form ed:
R The vehicle isunloc ked.
R The side windo wsareopen ed.
R The slidin gsun roof isopened.
R The panor amicsliding roof isopened.
R The seat ventil ation ofthedr iver's seat is
switc hedon. %
Ifth ero ller sunblin dof thepanor amicsliding
sunr oofisclosed, thero ller sunblin dis
open edfirs t.
% Ifth ero ller sunblin dsofthere ar door sar e
clo sed, thero ller sunblin dsareopen edfirs t. #
Tointerru pt con venience opening: release
th eÜ button. #
Tocont inue convenience opening: press
and hold theÜ buttonagain. Con
venience closing (closing theve hicl e
fr om outside ) &
WARNIN GRisk ofentr apment dueto not
pa ying attenti onduring con venie nce
clo sing
Whe nth econ venie nce closing featur eis
oper ating,par tsof thebody could become
tr apped intheclosing area oftheside win‐
do wand thesliding sunroof. #
When thecon venie nce closing featur e
is operatin g,mon itor theent ire closing pr
ocess andmakesur eth at no body
par tsarein theclosing area. #
#
Press and hold theß buttononthe
Smar tKey .
The follo wing functionsar eper form ed:
R The vehicle isloc ked.
R The side windo wsareclo sed.
R The slidin gsun roof isclosed.
R The panor amicsliding roof isclosed. #
Tointerru pt con venience closing: release
th eß button. #
Toclose thero ller sunblind s:press and
hold theß buttonagain.
% Con venie nce closing can also be operated
wi th KEYLESS- GO(/ page71 ). Openin
gand closin g83

Pr
oblems withtheside windo ws &
WARNIN GRisk ofbeco ming trap ped or
fa tal lyinju re difre ve rsing protect ion is
no tactiv ated
If yo uclo seaside windowagain imm ediat ely
af te rit has been blocked, theside windo w
will close withincr eased ormaximum forc e.
The reve rsing func tion isthen notactiv eand
body partsma ybecome trapped. #
Mak esur eth at no par tsof thebody are
in theclosing area. #
Tostop theclosing process, release the
butt onorpress thebutt onagain to
re open theside windo w. A
sid ewind owcann otbe closed andyoucan‐
no tsee thecaus e. #
Chec kto see whether anyobjec tsarein the
windo wguide. #
Adjus tth eside windo ws.
Ad jus tingthe side windo ws If
aside windo wisobs truct eddur ing closing and
re opens again immediat ely: #
Immediat elyaf te rth is, pull thecor respond‐
ing butt onagain until theside windo whas
closed andhold thebutt onforat lea stone
mor esecond (re-adjus tment).
The side windo wwill beclosed without the
aut omat icreve rsing func tion.
If th eside windo wisobs truct edagain and
re opens again immediat ely: #
Immediat elyaf te rth is, pull thecor respond‐
ing butt onagain until theside windo whas
closed andhold thebutt onforat lea stone
mor esecond (follo w-up adjustm ent).
The side windowwill beclos edwithout the
aut omat icreve rsing func tion.
Th eside windo wscann otbe opened or
closed usingthecon venience opening fea‐
tur e.
R The Smar tKey batt eryis we ak ordisc harged. #
Chec kth ebatt eryusing theindicat orlam p
and replace ifnec essar y(/ page69). Sliding
sunroof Opening
andclosing theslidi ngsunr oof %
The term "slidin gsun roof" also refers to the
panor amaroof wit hpo we rtilt/sli dingpanel . &
WARNIN GRisk ofbeco ming trap ped
whe nth esliding sunroofisbeing opened
and closed
Body partsma ybecome trapped inthera ng e
of mo vement. #
Dur ing opening andclosing, makesur e
th at no body partsarein thera ng eof
mo vement. #
Release thebutt onimmediat elyif
somebody becomestrapped.
or #
Brief lypress thebutt oninanydir ect ion
dur ing automatic operation.
The opening orclosing process willbe
st opped. 84
Opening andclosing

&
WARNIN GRisk ofbeco ming trap ped if
th esliding sunroofisoper ated bychil‐
dr en
Childr enoper atingth esliding sunroofcould
get caught inthemo ving parts,par ticular lyif
unatt ended. #
Neverlea vechildr enunat tende din the
ve hicle. #
When leaving theve hicle, alwaysta ke
th eke ywit hyo uand lockth eve hicle. &
WARNIN GRisk ofbeco ming trap ped
whe nth ero ller sunblin dis being opened
and closed
Body partsma ybecom etrapped between
th ero ller sunblin dand frame orsliding roof. #
When opening orclosing, makesur e
th at no body partsarein thero ller sun‐
blind' sra ng eof mo vement. #
Release thebutt onimmediat elyif
somebody becomestrapped.
or #
Brief lypress thebutt oninanydir ect ion
dur ing automatic operation.
The opening orclosing process willbe
st opped. *
NO
TEMalfunctio ndu eto sno wand ice Sno
wand icemaycause thesliding sunroof
to malfu nction. #
Open thesliding sunroofonlyif it is free
of sno wand ice. *
NO
TEDama gecau sed byprotru ding
objec ts Objec
tsthat protru de from thesliding sun‐
ro of ma ydamag eth esealing strips. #
Donotallo wan ything toprotru de from
th esliding sunroof. *
NO
TEImpo rtant poin tsto remember
when aro of lugg agera ck isins talled When
aro of lugg agera ck isins talled, raising
or open ingthesliding sunroofmaybe limi‐
te d. #
Chec kwhe ther thesliding sunroofcan
be raised oropen edwhen aro of lug‐
ga ge rack isins talled. #
Ifin doubt, donotra ise oropen the
sliding sunroof. Opening
andclosing 85