trunk MERCEDES-BENZ GLB SUV 2021 Owner's Manual

Ac
tiv atin gor deac tivatin gthe child seat
saf etyfe atur eof theseat belt &
WARNIN GRisk ofinju ryor deat hif a
seat beltisunf astened while th eve hicle
is in mo tion
If th eseat beltisreleased whiletheve hicle is
in mo tion, thech ild safetyloc kis deac tiva ted
and thech ild restra int system isno long er
cor rectly secu red. The seat beltisretract ed
sl ig htly bytheiner tiareel and cann otbe
immediat elyfastened again. #
Stop theve hicle immediat elyinaccor d‐
ance withth etraf fic condi tions. #
Activateth especial seatbeltretract or
ag ain and correctl ysecu rethech ild
re stra int system. When
enabled, thech ild seat safetyfe atur e
ens ures that theseat belts ofthefront
passeng erseat andrear seat sdo notslac ken
once thech ild restra int system issecur ed. The
seat belts onthefo llo wing seats areeq uip‐
ped withach ild seat safetyfe atur e:
R Front passeng erseat
R Rear seat s #
Toins tall ach ild restra int system: when
ins talling ach ild restra int system, always
obser vethemanuf acturer'sinstallation and
opera tingins truct ions aswellas theinf orma‐
tion inthis Oper ator's Manual. #
Pull theseat beltsmoo thly from theseat belt
outle t. #
Engage theseat belttongu ein theseat belt
buc kle. #
Toactiv ateth ech ild seat safetyfe atur e:
pul lth eseat beltoutfully andletth einer tia
re el retract itag ain.
Wh enthech ild seat safetyfe atur eis act iva‐
te d, youwill hear ara tche ting sound. #
Push thech ild restra int system down until
th eseat beltsitstight ly. #
Todeac tivatethe child seat safetyfe a‐
tur e:press there lease buttonoftheseat
belt buckle. #
Hold theseat belttongu eand guide ba ck to
th eseat beltoutle t. Ins
talling aLA TC H-type (ISOFI X)child
re stra int system onthere ar seat Ins
tallingaLA TC H-type (ISOFI X)child
re stra int system onthere ar seat &
WARNIN GRisk ofacci dent ifth ere ar
ben chseat, rear seat andseat backres t
ar eno teng aged
The rear ben chseat, rear seat andseat back‐
re st ma yfo ld forw ards, evenwh en youar e
dr ivin g.
R Asare sult, theve hicle occupant willbe
pushed intoth eseat beltwithincr eased
fo rc e. The seat beltwillnotbe able to
pr otect asintended andcould cause
additional injury.
R Objects orloads inthetrunk orcar go
com partmen twill notbe restra ined by
th eseat backres t. Occ
upant safety 55

#
Tensi on TopTe ther belt 4.Com plywit hth e
ch ild restra int system manuf acturer'sinstal‐
lation instruct ions . #
Ifnec essar y,slide head restra int 1 down‐
wa rds(/ page98). Makesur eth at youdo
no tint erfere wit hth ecor rect routin gof Top
Te ther belt 4. Secur
ingthech ild restra int system withth e
seat belt Secur
ingthech ild restra int system withth e
seat beltonthere ar seat &
WARNIN GRisk ofacci dent ifth ere ar
ben chseat, rear seat andseat backres t
ar eno teng aged
The rear ben chseat, rear seat andseat back‐
re st ma yfo ld forw ards, evenwh en youar e
dr ivin g.
R Asare sult, theve hicle occupant willbe
pushed intoth eseat beltwithincr eased
fo rc e. The seat beltwillnotbe able to pr
otect asintended andcould cause
additional injury.
R Objects orloads inthetrunk orcar go
com partmen twill notbe restra ined by
th eseat backres t. #
Mak esur eth at there ar ben chseat, the
re ar seat andtheseat backres tar e
eng aged bef oreeve rytrip . Ensu
rethat there ar seat backres tis eng aged. To
do so, pull forc efull yon theseat backres t.
When installing abelt-secur edchild
re stra int system, obser vethefo llo wing:
0073 Alw
ayscom plywit hth emanuf acturer's
ins tallation andoper atingins truct ions for
th ech ild restra int system used.
0073 When
usingacat egor y0/0+ babycar
seat andacat egor yIre ar wa rd-faci ng
ch ild restra int system onare ar seat :
adju stthefront seat sothat theseat does
no tto uc hth ech ild restra int system.
0073 When
usingacat egor yIfo rw ard-f acin g
ch ild restra int system: remo vethehead re
stra int from there spectiv eseat, ifpossi‐
ble.
Af terth ech ild restra int system has been
re mo ved, replace thehead restra int immed i‐
at elyand adjus tall head restra int scor ‐
re ctly .
0073 The
backrest of thefo rw ard-f acin gch ild
re stra int system mus t,as faras possi ble,be
re sting ontheseat backres tof there ar
seat .
0073 Fo
rcer tain child restra int systems inwe ight
cat egor yII or III,th er ema ybe restrictions
on themaximum sizesetting, e.g. due to
possible contact with thero of.
0073 The
child restra int system mus tno tbe put
under stra in be tween thero of and theseat
cushion and/orbeinstalled facing the
wr ong direct ion. Wher epossi ble,adjus tth e
seat cushion inclination accordingly.
0073 The
child restra int system mus tno tbe put
under stra in by thehead restra int .Ad jus t
th ehead restra int sacc ording ly. Occupant
safety 59

1
Detection rang eof thesensor s
If se veralcon secut ive kic kin gmo vements are
no tsuccessfu l,wa itte nseco nds.
Sy stem limit s
The system maybe impair edorma yno tfunc tion
in thefo llo wing cases :
R The sensorsar edir ty,e.g. due toroad salt or
sn ow .
R The kicking movement ismade using apr os‐
th etic leg. The
tailg atecan open orclos eunin tentio nallyin
th efo llo wing situat ions:
R Ifaper son 'sarms orlegs aremo vingin the
sensor detection rang e, e.g .wh en polishi ng
th eve hicle orpic king upobject s.
R Ifobject sar emo vedor placed behind the
ve hicle, e.g.tensi oni ng stra ps orlugg age.
R Ifclam ping stra ps, tarp sor other coverings
ar epu lled ove rth ebum per.
R Ifapr otect ive mat withalengt hre ac hin g
ov er thetrunk silldown intoth ede tection
ra ng eof thesensor sis used.
R Ifth epr otect ive mat isno tsecur edcor rectly .
Deacti vate theSmar tKey functions (/page66)
or do notcar rytheSmar tKey about your per son
in suc hsit uatio ns. Lim
iting theopenin gang leof thetailg ate Ac
tiv atin gthe opening ang lelimit er
Yo ucan limit theopening angleof theta ilg atein
th eto phalf ofits openin gra ng eto appr ox‐
imat ely8 in (20 cm) beforeth eend position . #
Stop theopening procedur eof theta ilg ateat
th edesir edposition . #
Press and hold theclosing buttonontheta il‐
ga te unt ilyo uhear asho rtacous ticsign al.
The open ingang lelimit erwill beact ivat ed.
The tailg atewill then stop inthestor ed posi‐
tion when opened.
To open thetai lgat efull y,pull thehandle onthe
outside oftheta ilg ateag ain afte rit has stopped
aut omaticall y.
Deact ivat ing theope ning anglelim iter #
Press and hold theclosing buttonontheta il‐
ga te unt iltw osho rtacous ticsign alssoun d. Un
loc king thetailg atewit hth eemer gency
ke y #
Foldthere ar seat backres tfo rw ard. #
Remo vethecar gocom partmen tco ver. Opening
andclosing 77

Fo
lding theseat backres tfo rw ards toent er
th eve hicl e(v ehic leswith ath ird ro w of
sea ts) &
WARNIN GRisk ofinju rywhen folding
th eseat backres ton thesecon drow of
seats forw ards
If th ehandle forth eseat backres ton the
second rowofseats ispulled from theth ird
row ofseats, theseat backres ton thesec‐
ond rowofseats willfold forw ards and will
no teng age. Pe ople inthesw eep ofthis seat
bac kres tcan becom etrapped. #
When getting outof theth ird row of
seats, donothold theseat backres ton
th esecon drow ofseats. Ve
hicl eswith EASY-ENTR Yfunc tion:If asea t
on thesecon drow ofseats islocat edinthe
EAS Y-ENTR Yar ea ,th is will besho wnonthemul‐
tifun ction displa yon theins trument cluster. #
Ifnecessar y,fold theseats ontheth ird row
int oposit ion(/ page11 2). #
Tofold theseat backres tin thefront posi‐
tion: pullhand le1.
The seat backres twill fold forw ards.
* NO
TEDama getotheseat backres than‐
dle caused bypulling The
handle canbedamag edifit is used to
pull theseat forw ards. #
Movetheseat forw ards bytheseat
bac kres t. #
Movetheseat forw ards bytheseat backres t.
Hold theseat firm lyin place while doingso. #
Tofold theseat backres tbac kint oan
up right position: swingtheseat backres t
bac kuntil iteng ages.
The seat backres twill remain inthecar go
position . #
Slide theseat backwards.
The seat willstop inthefront position . #
Movetheseat intoth edesir edposition
(/ page93). #
Ifneces sary,fold intheseats ontheth ird
row (/ pag e11 0).
% Toinc rease thesize ofthecar gocom part‐
ment ,yo ucan movetheseat backres ts int o
th etrunk floor position (/page10 7). 96
Seats andstow ing

%
When theseat backres ts on thesecon dand
th ird row sof seats arefo lded forw ards, you
can push there ar ben chseat onthesecon d
row ofseats back.This willthen prov ide a
con tinuous cargocom partment surface.
Ensur eth at thear ea between therow sof
seats isclear .
Fo lding backth ere ar seat backres t &
WARNIN GRisk ofbeco ming trap ped
whe nad jus ting theseats
When youadj usta seat ,yo uma ytrap your‐
self orave hicle occupant. #
When adjustingaseat, makesur eth at
no onehas anybody partsinthesw eep
of theseat. &
WARNIN GRisk ofacci dent ifth ere ar
ben chseat, rear seat andseat backres t
ar eno teng aged
The rear ben chseat, rear seat andseat back‐
re st ma yfo ld forw ards, evenwh en youar e
dr ivin g. R
Asare sult, theve hicle occupant willbe
pushed intoth eseat beltwithincr eased
fo rc e. The seat beltwillnotbe able to
pr otect asintended andcould cause
additional injury.
R Objects orloads inthetrunk orcar go
com partmen twill notbe restra ined by
th eseat backres t. #
Mak esur eth at there ar ben chseat, the
re ar seat andtheseat backres tar e
eng aged bef oreeve rytrip . *
NO
TEDama gecau sed bytrap ping the
seat beltwhen folding backth eseat
bac kres t The
seat beltcould become trapped andthus
damag edwhen theseat backres tis folded
bac k. #
Mak esur eth at theseat beltisno ttra p‐
ped when folding backth eseat back‐
re st. If
th elef tand cent erseat backres ts have been
fo lded forw ards toge ther,fo ld thelef tseat back‐
re st bac kfirs t. #
Movethedr iver's orfront passeng erseat for‐
wa rds, ifnecessar y. #
Swi velseat backres t1 bac kunt ilit
eng ages.
The seat backres twill remain inthecar go
position . #
Afterth eseat backres thas been folded
bac k,checkth eposition ofthehead restra int
and setit to thecor rect pos ition
(/ page 98). Seats
andstow ing 10
9

%
When theseat backres ts on thesecon dand
th ird row sof seats arefo lded forw ards, you
can push there ar ben chseat onthesecon d
row ofseats back.This willthen prov ide a
con tinuous cargocom partment surface.
Ensur eth at thear ea between therow sof
seats isclear .
Fo lding backth eseat backres ton theth ird
ro w of sea ts &
WARNIN GRisk ofbeco ming trap ped
whe nad jus ting theseats
When youadj usta seat ,yo uma ytrap your‐
self orave hicle occupant. #
When adjustingaseat, makesur eth at
no onehas anybody partsinthesw eep
of theseat. &
WARNIN GRisk ofacci dent ifth ere ar
ben chseat, rear seat andseat backres t
ar eno teng aged
The rear ben chseat, rear seat andseat back‐
re st ma yfo ld forw ards, evenwh en youar e
dr ivin g.
R Asare sult, theve hicle occupant willbe
pushed intoth eseat beltwithincr eased
fo rc e. The seat beltwillnotbe able to
pr otect asintended andcould cause
additional injury.
R Objects orloads inthetrunk orcar go
com partmen twill notbe restra ined by
th eseat backres t. #
Mak esur eth at there ar ben chseat, the
re ar seat andtheseat backres tar e
eng aged bef oreeve rytrip . *
NO
TEDama gecau sed bytrap ping the
seat beltwhen folding backth eseat
bac kres t The
seat beltcould become trapped andthus
damag edwhen theseat backres tis folded
bac k. #
Mak esur eth at theseat beltisno ttra p‐
ped when folding backth eseat back‐
re st. Re
quirement s:
R The seats andtheseat backres ts on thesec‐
ond row of seat sha ve been movedfo rw ards
suf ficie ntly .
* NO
TEDama getothere lease loops due
to theatt achment ofobjec ts The
release loops oftheseat backres ts in
th ere ar passe nger com partment maybe
damag eddue totheatt achment ofobjec ts. #
Onlyatt achobjec tsto thetie-do wn
ey es. 11
2
Sea tsand stow ing

Wi
reless chargin gof themobil eph one and
connecti onwit hth eex terior ant enna No
teson wir elessl ych argin gth emobil e
ph one &
WARNIN GRisk ofinju rydue toobject s
being stowe dincor rectl y
If obje ctsintheve hicle interior arestowe d
inc orrectly ,th ey can slide orbe throw n
ar oun dand hitvehicle occupants. Inaddi‐
tion, cupholder s,open stow agespac esand
mobi lephon ere cep tacle scanno tal wa ys
re tain all obje ctswit hin.
Ther eis arisk ofinjur y,par ticular lyin the
ev ent ofsudden braking orasudden chang e
in dir ect ion. #
Alw aysst ow object sso that they can‐
no tbe throw nar ou nd insuch situa‐
tions. #
Alw aysmak esur eth at obj ect sdo not
pr otru de from stow agespac es,parcel
ne ts or stow agene ts. #
Close theloc kable stow agespac es
bef orest ar tin gajo ur ne y. #
Alw aysst ow and securehea vy,har d,
poin ted, shar p-edg ed,fragile orbulky
objec tsinthetrunk/ cargocom part‐
ment . Obser
vetheno teson loadi ngtheve hicle. &
WARNIN GRisk offire from placing
objects inthemobile phonestor ag e
com partmen t
Placing other object sin themobile phone
st or ag ecom partmen tcould constituteafire
hazar d. #
Apar tfr om amobile phone, donot
place anyot her object sin themobile
phone stor ag ecom partmen t,especiall y
th ose made ofme tal. *
NO
TEDama getoobject scaused by
placing them inthemobile phonestor‐
ag ecom partmen t If
object sar eplaced inthemobile phone
st or ag ecom partmen t,th ey ma ybe dama ged
by electr omagne ticfields. #
Donotplace credit cards, datast or ag e
de vices, skipasses orother objects
sensitiv eto electr omagne ticfields in
th emobile phonestor ag ecom part‐
ment . *
NO
TEDama getothemobile phone
st ow agecom partment caus edbyliquids If
liq uids enterthemobile phonestow age
com partment ,th ecom partmen tma ybe
damag ed. #
Ensur eth at no liquids enterthemobile
phone stow agecom partment . 12
2
Sea tsand stow ing

R
Ifyo ushif tth etra nsmiss ionposition to005E or
005B when theve hicle isstatio nary.
R Ifth ede tected obs tacle isless than appr ox.
3.3 ft(1.0 m) away.
R Ifth emaneuv ering assis tant func tionis acti ‐
va tedin themultimedia system.
Sy stem limit s
The perform anc eof Drive Aw ayAssi stislimit ed
on inclines .
% Also obser vethesy stem limits ofParking
Ass istPA RK TRONI C(/ page19 8).
Fu nction ofCross Traf fic Aler t
% Alsoobse rveth eins truction son Blind Spot
Assis tand ActiveBli nd Spo tAssi st
( / pag e21 7).
Ve hicl eswith Blind SpotAss istor Activ e
Bli nd Spo tAs sist :Cr oss Traf fic Aler tcan warn
dr iver sof anycr ossing traf fic whe nba cking up
and mane uvering out ofapar kingspace. The
ra dar sensor sin thebum peralso monit orthe
ar ea adjac enttotheve hicle. Ifacr itical situation
is de tected, theL symbol appearsin the
media display. Ifth edr iver does notre spond to th
ewa rning, theve hicle's brak es can beappli ed
aut omaticall y.
If th era dar sensor sar eobs truct edbyvehicles
or other object s,de tection isno tpos sible.
Cr oss Traf fic Aler tis acti veund erthefo llo wing
con dition s:
R Ifth eve hicle isbac king upatwa lkin gpace.
R Ifth emaneuv ering assis tant func tionis acti ‐
va tedin themultimedia system.
Sy stem limit s
Cr oss Traf fic Aler tis no tav ailable onincline s.
Ac tiv atin g/deac tivatin gmane uveringass is‐
ta nc e
Mu ltimed iasystem:
4 © 5
Set ting s5
Assist ance
5 Camera &Parkin g #
Switc hManeuverin gAssist anceonoroff.
% Maneuv ering assis tance mustbe activ efo r
th efunc tion ofDrive Aw ayAssi st
( / pag e21 2) and Cross Traf fic Aler t
(/ page 213). AT
TENTI ONASSIST Fu
nction ofATTENTI ONASSIST
AT TENTION ASSISTassis tsyouon long,mon oto‐
nous journeys,e.g. onhighw aysand trunk roads.
If AT TENTION ASSISTde tects indicatorsof fati‐
gu eor incr easing laps es inconce ntration onthe
par tof thedr iver ,it sugg ests taking abr ea k.
AT TENTION ASSISTis onl yan aid. Itcann ot
alw aysde tect fatig ue orlaps es inconce ntration
in tim e.The system isno ta subs titutefo ra we ll-
re sted and attent ive dr iver .On long journeys,
ta ke regular break sin good timethat allo wfor
adeq uatere cup erati on.
Yo ucan choose between twose ttings:
R Standar d:nor mal system sensit ivity.
R Sensitiv e:higher system sensit ivity.The
dr iver iswa rned ear lier and theatt ent ion
le ve lde tected byATTENTION ASSISTis adap‐
te daccor dingly.
If dr ow siness orincr easing lapsesinconcen tra‐
tion arede tected, theATTE NTION ASSIS T:Take
a Break !wa rning appear sin theIns trument Dis‐
pla y.Yo ucan ackn ow ledg eth emessag eand Dr
iving andparking 21
3

Te
lephone Te
lephon y No
teson telephon y &
WARNIN GRisk ofdist ra ction from oper‐
ati ng integr ated commu nication equip‐
ment whiletheve hicle isin mo tion
If yo uoper ateco mm unic ationeq uipme nt
int egrat edintheve hicle when driving, you
will bedistract edfrom thetra ffic situat ion.
This could alsocause youto lose control of
th eve hicle. #
Onlyoper ateth is eq uipmen twhen the
tr af fic situ ation per mits. #
Ifyo ucan notbe sur eof this, stop the
ve hicle whilstpa ying attention toroad
and traffic condi tions andoperate the
eq uipment withth eve hicle statio nary. &
WARNIN GRisk ofan acci dent from
ope rating mob ile comm unicati onequip ‐
ment while th eve hicle isin mo tion
Mobile communication sde vices distract the
dr iver from thetraf fic situ ation. Thiscou ld
al so cau sethedr iver tolose control of the
ve hicle. #
Asthedr iver ,onl yoper atemobile com‐
municat ionsdevices when theve hicle is
st atio nary. #
Asave hicle occupant, onlyuse mobile
communication sde vices inthear eas
int ended forth is pur pose, e.g.inthe
re ar passe nger com partment . Yo
umus tobse rveth eleg alrequ iremen tsforth e
cou ntryin whi chyouar ecur rentl ydr ivi ng when
op erati ng mob ile comm unicati onequip ment in
th eve hicle. &
WARNIN GRisk ofinju rydue toobject s
being stowe dinco rrect ly
If objects intheve hicle interior arestowe d
inc orrectly ,th ey can slide orbe throw n
ar oun dand hitvehicle occupants. Inaddi‐
tion, cupholder s,open stow agespac esand
mobi lephon ere cep tacle scanno tal wa ys
re tain all obje ctswit hin.
Ther eis arisk ofinjur y,par ticular lyin the
ev ent ofsudden braking orasudden chang e
in dir ect ion. #
Alw aysst ow object sso that they can‐
no tbe throw nar ou nd insuch situa‐
tions. #
Alw aysmak esur eth at obj ect sdo not
pr otru de from stow agespac es,parcel
ne ts or stow agene ts. #
Close theloc kable stow agespac es
bef orest ar tin gajo ur ne y. #
Alw aysst ow and securehea vy,har d,
poin ted, shar p-edg ed,fragile orbulky
objec tsinthetrunk/ cargocom part‐
ment . 24
8
MBUX multimedia system

1
Front roof area
2 Rear roof area
3 Rear fende rs
On vehicles withapanor amicsliding sunroof,
ins talling anant enn ato thefront orrear roof
ar ea isno tper mitt ed. On
there ar fende rs,it is recomme ndedthat you
ins tallth eant enn aon theside oftheve hicle
closes tto thecent erofthero ad.
Use Tech nica lSpe cifica tionISO/T S21 609 (Road
Ve hicles –"EMCs forins tallation ofafte rm arke t
ra dio freq uency transmit tingeq uipment ")when
re trof itti ng two-w ayradios. Complywithth e
leg alrequ iremen tsforde tach able parts.
If yo ur vehicle hasinstalling fortw o-w ayradio
eq uipment ,use thepo we rsupp lyand antenn a
con nectors prov ided inthepr e-ins tallation .
Obser vethemanuf acturer'ssupplement swhen
ins talling.
Tw o-w ayradio transmi ssion output
The maxi mum transm ission outpu t(PEAK) atthe
base oftheant enn amus tno texc eed theva lues
in thefo llo wing table. Fr
eq uency bandandmaxim um transm ission
out put Fr
eq uency band Maximumtransm is‐
sion output
Sho rtwa ve
3 -54 MHz 10
0W
4 m freq uency band
74 -88 MHz 30
W
2 m frequency band
14 4-17 4MHz 50
W
Te rres trial Trunk ed
Ra dio (TETRA)
380 -460 MHz 10
W
70 cm freq uency
band
420 -450 MHz 35
W
Tw o-w ayradio
(2G/3G/ 4G) 10
W 338
Tech nica lda ta