2021 MERCEDES-BENZ GLB SUV airbag off

&
WARNIN GRisk ofinju ryor deat hwhen
using are ar wa rd-faci ng child restra int
sy stem while thefront passeng erairbag
is enabled
If yo usec ureach ild inare ar wa rd-faci ng
ch ild restra int system onthefront passeng er
seat andthePA SSENGER AIRBAGOF Find i‐
cat orlam pis off,th efront passeng erairbag
can deplo yin theev ent ofan acciden t.
The child could bestru ck bytheairbag.
Alw aysensur eth at thefront passeng erair‐
bag isdisabled. ThePASSENGER AIRBAG
OFF indicat orlam pmus tbe lit.
NEVER useare ar wa rd-faci ng child restra int
sy stem onaseat withan ENABL EDFRONT
AIRB AG;DE ATHor SERIOU SINJU RYtothe
CH ILD can occur . When
installing ach ild restra int system onthe
fr ont passeng ersea t,obse rveth eve hicle-spe‐
cif icinf ormation (/page60).
Depending onthech ild restra int system and the
st atur eof thech ild, thePA SSENGER AIRBAG
OFF indicat orlam pma ybe off.In this case, do no
tins tallth ere ar wa rd-faci ng child restra int
sy stem onthefront passeng erseat.
Ins tead, installth ere ar wa rd-faci ng child
re stra int system onasuit able rear seat .
Af terin st alli ng afo rw ard-f acin gch ild
re stra int system onthefront passeng er
seat :depen dingonthech ild restra int system
and thest atur eof thech ild, PASSENGER AIR
BA GOF Fma ybe litcon tinuousl yor be off.
Alw aysobser vethefo llo wing informatio n. &
WARNIN GRisk ofinju ryor deat hdue to
inc orrect pos itioning ofthefo rw ard-
fa cing child restra int system
If yo usec ureach ild inafo rw ard-f acin gch ild
re stra int system onthefront passeng erseat
th at isposit ioned tooclose tothecoc kpit, in
th eev ent ofan acciden t,th ech ild could:
R com eint ocon tact with par tsof theve hi‐
cle's interior ifth ePA SSENGER AIRBAG
OFF indicat orlam pis lit, forex am ple
R bestru ck bytheairbag ifth ePA SSENGER
AIR BAGOF Find icat orlam pis off #
Alw aysmo vethefront passeng erseat
as farbac kas possi bleand fully retract
th eseat cushion lengthadjus tment.
While doing so,alwaysmak esur eth at
th eshoulder beltstra pis cor rectl y
ro uted from theseat beltoutle tof the
ve hicle totheshoulder beltguide on
th ech ild restra int system. Theshoulder
belt stra pmus tbe routed forw ards and
do wn wardsfrom theseat beltoutle t.If
neces sary,adjus tth efront passeng er
seat accor dingly. #
Alw ayscom plywit hth ech ild restra int
sy stem manuf acturer'sinstallation
ins truct ions . When
installing ach ild restra int system onthe
fr ont passeng ersea t,obse rveth eve hicle-spe‐
cif icinf ormation (/page60).
If aper son issitting onthefront passeng er
seat :PA SSENGER AIRBAGOF Fma ybe litcon ‐
tin uousl yor be off,depen dingon theper son's
st atur e. Oc
cupan tsaf ety 47

A
pe rson onthefront passeng erseat must
alw aysobser vethefo llo wing informatio n:
R Ifth efront passeng erseat isoccupied byan
adult oraper son withast atur ecor respond‐
ing tothat ofan adult ,th ePA SSENGER AIR
BA GOF Find icat orlam pmus tbe off.This
ind icat esthat thefront passeng erairbag is
enabled.
If th ePA SSENGER AIRBAGOF Find icat or
lam pis lit con tinuousl y,an adult orper son
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 ctl yfa stened 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(/ page60) 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 . 48
Occupant safety

#
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. &
WARNIN GRisk offata linj urydue to
ex posur eto extreme heat or col din the
ve hicle
If people –par ticular lych ildr en–ar e
ex posed toextreme temp eratur esover an
ex tende dpe riod oftime, ther eis arisk of
ser ious oreve nfa ta linj ury. #
Neverlea veanyone –pa rticular lych il‐
dr en –unat tende din theve hicle. #
Neverlea veanim alsintheve hicle unat‐
te nde d. Ov
erview ofsuita bleseat sin theve hicl efo r
ins talling ach ild restra int system Lef
t/right rear seat
Second rowofseats, prefer redsecur ingsystem:
® LATC H-type (ISOFIX )ch ild seat secur ing
sy stem
¯ Alsosecur eTo pTe ther ifpr esent
(/ page58)
Thir drow ofseats, prefer redsecur ingsystem:
® LATC H-type (ISOFIX )ch ild seat secur ing
sy stem
¯ Alsosecur eTo pTe ther ifpr esent
(/ page58)
Lef t/right rear seat (secondand third seat row)
– alt ernativ esecur ingsystem:
0076 Ve
hicle seatbelt
Fr ont passeng erseat
Sec uring system:
0076 Ve
hicle seatbelt Be
sureto obser ve:
R Ifth efront passeng erseat isoccupied,
ensur e,bo th bef oreand during thejour ney,
th at thest atus ofthefront passeng erairbag
is cor rect forth ecur rent situa tion
(/ page 46).
R Obse rveth eno teson aut omatic front
passeng erairbag shutoff(/ page44 )
Cent errear seat
Cent errear seat (secondseat row)– secur ing
sy stem:
0076 Ve
hicle seatbelt
¯ Alsosecur eTo pTe ther ifpr esent
(/ page58) 54
Occupant safety

0073
Mak
esur eth at thech ild's feet do notto uc h
th efront seat. Ifneces sary,mo vethefront
seat slightl yfo rw ards.
The seat beltson thefo llo wing seats areeq uip‐
ped withaspec ialseat beltretract or:
R Front passeng erseat
R Rear seat s
When enabled,thespecial seatbeltretract or
ens ures that theseat belts ofthefront
passeng erseat andrear seat sdo notslac ken
once thech ild restra int system issecur ed
(/ page55). #
Installth ech ild restra int system.
The entire base ofthech ild restra int system
mus talw aysre st on thesitt ing surface ofthe
re ar seat . #
Alw aysmak esur eth at theshoulder belt
st ra pis cor rectly routed from theseat belt
outle tof theve hicle totheshoulder belt
guide onthech ild restra int system.
The shoulder beltstra pmus tbe routed for‐
wa rdsand down wardsfrom theseat beltout‐
le t. No
teson rear wa rd-faci ng and forw ard-f acin g
ch ild restra int systems onthefront
pa sseng erseat &
WARNIN GRisk ofinju ryor deat hwhen
using are ar wa rd-faci ng child restra int
sy stem while thefront passeng erairbag
is enabled
If yo usec ureach ild inare ar wa rd-faci ng
ch ild restra int system onthefront passeng er
seat andthePA SSENGER AIRBAGOF Find i‐
cat orlam pis off,th efront passeng erairbag
can deplo yin theev ent ofan acciden t.
The child could bestru ck bytheairbag.
Alw aysensur eth at thefront passeng erair‐
bag isdisabled. ThePASSENGER AIRBAG
OFF indicat orlam pmus tbe lit.
NEVER useare ar wa rd-faci ng child restra int
sy stem onaseat withan ENABL EDFRONT
AIRB AG;DE ATHor SERIOU SINJU RYtothe
CH ILD can occur . Obser
vethespecif icins truction sfo rre ar wa rd-
fa cing andforw ard-f acin gch ild restra int systems
(/ page61 ).
Alw aysobser vethest atus ofthefront passeng er
airbag onthePA SSENGER AIRBAGOF Find ica‐
to rlam p:
R When using are ar wa rd-faci ng child restra int
sy stem onthefront passeng erseat, thefront
passeng erairbag mustalw aysbe disabl ed.
This isonl yth ecase ifth ePA SSENGER AIR
BA GOF Find icat orlam pis lit con tinuousl y
(/ page46) .
R Ifth ePA SSENGER AIRBAGOF Find icat or
lam pis off,th efront passeng erairbag isena‐
bled. Thefront passeng erairbag maydeplo y
dur ing anacciden t. 60
Occupant safety

Ant
icip ator yoccup antprotection
see PRE- SAFE®
(anticip ator yoccu‐
pa nt protect ion)
see PRE-S AFE®
PL US (antic ipatory
occupant protect ion plus)
Apple CarPla y
see Smar tphon eint egr ation ®
Assis tance systems
see Drivin gsaf etysy stem
ASS YSTPL US <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011>270
Batt erydi sconnecti onper iods............. 271
Dis play ing theser vice duedate........... 270
Fu nctio n/no tes ................................... 270
Re gular maint enance work <0011001100110011001100110011001100110011001100110011001100110011
00110011> 270
Speci alser vice requ iremen ts.............. 270
ATA (anti-thef tala rm system) .................. 85
Ac tivati ng/d eactiv ating theint erior
mo tion sensor ...... ................................. 87
Ar ming /disarm ing theto w- aw ay
alar m.............................................. .......8 7
Dea ctivating thealar m..................... ..... 86
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 85
Fu nctio nof theint erior motion sensor ..87
The tow- aw ay alar mfun ction .................8 6 AT
TENTI ONASSIST <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 213, 215
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>213
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 215
Sy stem limit ations ........................... ....2 13
At tention assistant
see ATTENTION ASSIST
Au thorized Mercedes- BenzCenter
see Qualif iedspec ialistwo rkshop
Au thorized workshop
see Qualif iedspecialis two rkshop
Au tomatic carwa sh mode
Ac tivati ng ........... ................................. 278
Au tomatic distanc eco ntr ol
se eAc tiveDis tance AssistDIS TRONI C
Au tomatic drivin glights ........... ............ ..126
Au tomatic engine star t(E CO star t/
st op fun ction) .......................................... 152
Au tomatic engine sto p(E CO star t/
st op fun ction) .......................................... 152
Au tomatic fron tpass engerfr on tair‐
bag shutoff <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 44,46
Fu nctio nof theaut omatic front
passeng erfront airbag shutoff.............. 44 PA
SSENGER AIRBAGind icat orlam p.....4 6
Au tomatic fron tpass engerfr on tair‐
bag shutoff
see Automatic front pass engerfront
airb agshut off
Au tomatic measures afte ran acciden t... 49
Au tomatic mirrorfo lding function
Ac tivati ng/d eactiv ating ........... ............138
Au tomatic trans mis sion
DIR ECT SELEC Tleve r..... ......................157
Dr ive pr og ram disp lay ..... .....................1 55
Dr ive pr ogr ams ....................................154
DY NA MIC SELE CTswitc h.................... 154
Eng aging drive po sitio n............ ........... 159
Eng aging neu tral ............ ...................... 158
Eng aging park position ........................ 158
Eng aging reve rsege ar .........................1 58
Kic kdo wn ....... ......................................161
Manual gearshif ting.............................1 59
St eer ing wheel paddle shifters ............ 159
Tr ans miss ionposit iondispla y.............. 157
Tr ans miss ionposit ions........................ 157
Au tomatic trans mis sion (problem)
se eTr ans miss ion(problem ) 41
4
Inde x

App
lyPa rking Brak eRisk ofRo lling
Aw aySee Operator's Manua l...... ........368
Au xiliary Batt eryMal functi on.............. 366
Begi nning Emergency Stop .................. 375
Bli nd Spo tAssi stCur rentl yUna vaila‐
ble See Opera tor's Manua l...... ............ 377
Bli nd Spo tAssi stInoper ative..... .......... 377
Chec kTire Pressur eSoon ...................3 94
Chec kTire Pressur eThen Restar t
Ru nFla tIndi cator <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> .......395
Cr uise Contr olInop erati ve <0011001100110011001100110011001100110011001100110011001100110011
00110011> 383
Cr uise Contr olOff<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 383
Decr ease Spee d<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 394
Dr iver' sDoor Open& Trans miss ion
No tin PRisk ofVehicle Rolling Away ..365
Fr ont Passeng erAirbag Disabled See
Oper ator's Manual ...............................3 52
Fr ont Passeng erAirbag Enabled See
Oper ator's Manual ...............................3 52 Hazard
Warning Flashe rsMalfunc‐
tioning .................................................3 58
Mer cedes meconnect Services Limi‐
te dSee Oper ator's Manual .................. 388
N Pe rm anen tly Ac tiveRi sk ofRo lling
Aw ay <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 366
Only Shiftto 'P' when Vehicle isSta‐
tio nar y.................................................3 64
Pa rking LockIno per ativ eAppl yPa rk‐
ing Brak e.............................................3 67
Place theKe yin theMar kedSpace
See Oper ator's Manual ........................ 355
PRE-S AFEInoperativ eSee Oper a‐
to r's Manua l...... .................................. 353
Re versing NotPo ssible Service
Re quired .............................................. 366
Ru nFla tIndi catorInop erati ve ............. 395
Ser vice Required Do NotShif tGear s
Vi sit Dealer .......................................... 366
Te ac hin gin Trans miss ionCom plete .... 368 Te
ac hin gin Trans miss ionOper ate
Sel ectorLeverAppl yBr ak efo rXX s
Ris kof Vehicle Rolling Away ................ 367
Ti re Press. Monit orCur rently
Un available .......................................... 391
Ti re Press. Monit orInopera tive ............ 391
Ti re Pressur eMonit orInopera tiveNo
Wheel Sensors .....................................3 91
Ti re sOv erheat ed................................. 393
To Dese lect Por N, Dep ress Brak e
and StartEn gin e.................................. 365
To switc hengine off,pr ess and hold
St art/ Stop butt onforat lea st3sec‐
onds orpress 3times. .........................362
Tr af fic Sign AssistCur rently Unavail‐
able SeeOperat or'sMan ual................ 378
Tr af fic Sign AssistInoper ative.... .........3 78
Tr ans miss ionMalfun ction .................... 367
Tr ans miss ionMalfun ction Service
Re quired .............................................. 368 In
de x 42
1

Emer
gency Tensioning Devices
Ac tivati on ........... ...................................36
En gine
ECO star t/ stop funct ion......................1 52
Engine number....... ....... ......................339
St artin g(eme rgency operation
mode) ...... ............................................ 144
St artin g(R emo teOnline) ............... ...... 146
St artin g(sta rt/s topbutt on) ............ .... 144
St artin gassis tance <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> .....295
Swi tching off(s ta rt/s topbutt on) ........ 164
Engine data
Dis playing ............................................ 156
Engine number ........ ................................ 339
Engine oil................ .................................. 274
Ad ditiv es................ ........................ .....3 43
Ca paci ty....... ................................... .... 344
Che cking theoil leve lusing theon-
boar dcom puter ................................... 273
MB-F reigabe orMB- Appr oval ...............3 44
Qua lity .......... ....................................... 344
To pping up............ ...............................2 74
ESC (Electr onicStabil ityContr ol)
see ESP®
(Electr onicStabilit yPr og ram) ESP
®
Cr osswi ndAssis t..... ............................ 176
ESP ®
(Electr onicStabil ityProg ram) ....... 174
Ac tivati ng/d eactiv ating ........... ........... .176
Fu nctio n/no tes .................................... 174
Ext erior light ing
see Ligh ts
Ext erior light ing(Car e)...........................2 80
Ext erior mir rors <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 135, 136
Anti-g lare mode (automatic) .......... ......1 36
Au tomatic mirrorfo lding function ........ 138
Fo lding in/out .....................................1 35
Oper ating thememor yfunc tion ..........1 03
Pa rking posit ion.............................. .....1 37
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 135 F
Fa tig ue detection
see ATTENTION ASSIST
Fi rs t-aid kit(sof tsi ded) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> ...285
Fl at tire <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ......285
Ch ang ingawh eel<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ........329
MOExt endedtires <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ........286 No
tes .................................................. 285
TIREFIT kit...........................................2 87
Flat towing
see Tow- bar system
Floor mats................................................ 124
Fo ilco vering
Ra dar and ultrasonic sensors.............. 172
Fr ee sof tware ............................................ 33
Fr eq uencies
Mobile phone...................................... 338
Tw o-w ayradio ...................................... 338
Fr ont airbag (driver ,fr ont passeng er)...... 41
Fr ont passeng erseat
see Seat
Fu el ...........................................................3 43
Ad ditiv es.............................................3 43
E1 0 ....... ............................................... 342
Fu elreser ve <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 343
Ga sol ine <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 342
Qua lity (gas oline )<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 342
Re fuel ing ............................................. 162
Sul fur cont ent <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 342
Ta nk cont ent <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ..............343 42
4
Inde x

No
teson breaking-in ane wve hicl e...... .146 O
Occ upant safety
see Airbag
see Automatic front pass engerfront
airb agshut off
see Automatic measu resaf te ran accide nt
see Pets intheve hicle
see Post-col lisi on brak e
see PRE-S AFE ®
(antici patory occu‐
pant protect ion)
see PRE-S AFE®
PL US (antic ipatory
occupant protect ion plus)
see Restra int system
see Seat belt
Of f-road driving ....................................... 150
Of f-road driving
see Off-road driving
Oil see Engine oil
On-boar dcom puter................................. 225
Displa yingtheser vice duedate........... 270
Hea d-up Display menu ............ ............ 228 Mul
tifunction displa y............ ............ ...227
Ope rating ........... ................................. 225
Ov ervie wof menu s........... ...................225
On -bo arddia gnostic sin te rface
see Diag nostics connection
Onl ine services
Dat ast or ag e .......................................... 32
Open-sour cesof tware .............................. 33
Opening thetailg ateusing your foot
HANDS-FREE ACCES S.................... .......7 6
Oper ating fluids
Ad ditiv es(fuel) ................................ .... 343
Br ak efluid ...................................... .....3 44
Coolan t(en gine) ............................ ...... 344
En gin eoil ............................................ 343
Fu el(gasoline) ................................. ....3 42
No tes .................................................. 340
Re frig er ant (airconditio ningsystem) ...346
Wi ndsh ield wa sher fluid .................. .... 345
Ope ratin gsaf ety
Decl arati on ofconf ormity (wirel ess
ve hicle component s)........................ ..... 26
Inf ormation .................................... ........ 25 Oper
ating system
see On-bo ardcom puter
Oper ator' sMan ual
Ve hicle equipment ................................. 23
Oper ator's Manual (digital) ......................2 0
Ov erhead controlpanel
Ov ervie w ................................................ 14 P
Pa int code ................................................ 339
Pa intw ork(cleaning instructions) .........2 79
Pa nic alar m................................................ 66
Ac tivati ng/d eactiv ating ........... ..............66
Pa nor ama roof wit hpo we rtil t/s lidin g
pane l
see Sliding sunroo f
Pa rk pos ition
Inser ting<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> .............158
Sel ecting automatical ly<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 158
Pa rking
see Elec tric par kingbr ak e 430
Index