2021 MERCEDES-BENZ GLB SUV keyless

Ac
tiv atin g/deac tivatin gthe acoustic lock ing
ve rificat ion signa l Mult
imed iasystem:
4 © 5
Set ting s5
Vehicle #
Activateor deacti vate Acou sticLock . Ac
tiv atin g/deac tivatin gthe pani calar m Re
quirement s:
R The ignit ionisswitc hedoff. #
Toactiv ate: press butt on1 forapp rox‐
ima tely one second.
A visual andaudibl ealar mistrigg ered. #
Todeac tivate: briefly pr ess button1 again.
or #
Press thest ar t/ stop butt ononthecoc kpit
(t he Smar tKey isinsid eth eve hicle). Changing
theunloc kingsettings Po
ssible unlockingfunctions oftheSmar tKey :
R Cen tralunlo cking
R Unloc kin gth edr iver's door andfuel filler flap #
Toswitc hbe tw een settings: press the
Ü andß buttonssimul taneousl yfo r
appr oximat elysix seco ndsuntilth eindicat or
lam pflashes twice.
Op tions ifth eunloc kingfunction forth edr iver's
door andfuel filler flap has been selected:
R Tounlo cktheve hicl ece ntr ally:press the
Ü buttontwice.
R Vehicl eswith KEYLESS-GO :if yo uto uc h
th einner surface ofthedoor handle onthe
dr iver's door ,onl yth edr iver's door andfuel
fi ller flap areunlo cked. Deactiv
atingtheSmar tKey functio ns If
yo udo notuse theve hicle oraSmar tKey for
an extende dpe riod oftime, youcan reduce the
ener gycon sum ption ofthere spectiv eSmar tKey .
To do so, deactiv ateth eSmar tKey functions. #
Todeac tivate: press theß buttononthe
Smar tKey twi ce inqu ick succ ession .
The Smar tKey indic ator lam pflashes twice
br ief lyand light sup once. #
Toactiv ate: press anybutt onontheSmar t‐
Ke y.
% When theve hicle isstar tedwit hth eSmar t‐
Ke yin themar kedspace ofthecent ercon ‐
sole, theSmar tKey functions areau tomati‐
cally activated (/ page14 4). 66
Opening an dclos ing

#
Tounlo cktheve hicl e:touc hth einner sur‐
fa ce ofthedoor handle. #
Toloc kth eve hicl e:touc hsen sor surface
1 or2. #
Convenience closing:touc hre cess edsen‐
sor surface 2untilth eclosing process has
been completed.
% Further information oncon venie nce closing
(/ page 80) . If
yo uopen theta ilg atefrom outs ide,itis aut o‐
matic allyunloc ked. Pr
oblems withKEYLE SS-GO Yo
ucan nolon gerlo ck orunloc kth eve hicl e
using KEYLESS-GO .
Po ssible causes:
R The Smar tKey functions have been deactiv a‐
te d(/ page66).
R The Smar tKey batt eryis we ak ordisc harged.
R The Smar tKey isfaulty . #
Activateth eSmar tKey functions
(/ page66). #
Che ckthebatt eryusing theindicat orlam p
and replace ifnec essar y(/ page67 ). #
Use theemer gency keyto unlo ckorloc kth e
ve hicle (/page67 ). #
Have theve hicle andSmar tKey checkedat a
qu alif ied spec ialistwo rkshop. Ther
eis int erfere nce from apo we rful radio
sig nal source
The KEYLESS-G Ofuncti onisim pa ired by,fo r
ex am ple:
R Highvo ltag epo we rlines
R Mobi lephones
R Electr onicdevices (notebook s,table ts)
R Shielding duetome talobje ctsor induc tion
loops forelectr icalgate systems oraut o‐
matic barrier s #
Mak esur eth at ther eis asuf ficie ntdist anc e
be tween theSmar tKey and thepo tentia l
sou rceof interfere nce. Ac
tiv atin g/deac tivatin gthe automati clo ck ‐
ing featur e The
vehicle isloc kedaut omatic allywhen the
ignit ionisswitc hedonand thewheels aretur n‐
ing faster than walkin gpace. 70
Openingand closing

#
Press closing button1 ontheta ilg ate.
Ve hicl eswith KEYLESS-GO #
Press locking button2 ontheta ilg ate.
If aSmar tKey isde tected outsid eth eve hicle,
th eta ilg atewill clos eand theve hicle willbe
loc ked. #
Press and hold the008B buttononthe
Smar tKey (wit hth eSmar tKey inthevicinit y
of theve hicle).
Ve hicl eswith HANDS -FREEACCESS #
Mak eakic kin gmo vement withyo ur foot
belo wthebum per(/ page76 ).
Au tomatic reve rsing funct ionforthe tailga te
The tailg ateis eq uipped withaut omat icobje ct
re cogni tionwith are ve rsing func tion.If asolid
obje cthinde rsor restricts theta ilg atewhen itis
clos ingautomat ically,theta ilg atewill automat i‐
call yopen again slight ly.Au tomatic object recog‐
nitio nwi th reve rsing func tion isonl yan aid. Itis
no ta subs titutefo ryo ur att entiven ess when you
ar eclo singth eta ilg ate. #
Dur ing theclosing process, makesur eth at
no body partsarein theclosing area. &
WARNIN GRisk ofbeco ming trap ped
des pite reve rsing func tion
The reve rsing func tion willnotre act :
R Tosof t,light andthin obje cts, e.g. fing ers R
Towa rdsth eend oftheclosing procedur e
In these situation sin par ticular ,th ere ve rsing
func tion cannotpr ev ent someon ebeing trap‐
ped. #
Ensur eth at no body partsarein the
clos ingarea .
If some oneistrap ped ,ei th er :
R Press the008B buttonontheSmar tKey .
R Press orpull there mo teoper ating switch
on thedr iver's door .
R Press theclosing orloc king buttonon the
ta ilg ate.
R Pull theta ilg atehandle. Open
ingand closing 75

#
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 pano ramic sliding 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. #
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 pano ramic sliding 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(/ page69). Pr
oble mswith theside windo ws &
WARNIN GRisk ofbeco ming trap ped or
fa ta lly injured ifre 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. 80
Openin gand closing

Indicat
orlam p1 flashes whentheAT Asy stem
is armed.
The ATAsy stem isdeactiv ated aut omaticall yin
th efo llo wing situat ions:
R afte runloc kingtheve hicle withth eSmar tKey
R afte runloc kingtheve hicle using KEYLES S-
GO R
afte rpr essing thest ar t/ stop butt onwithth e
Smar tKey inthestow agecom partment
(/ page14 4)
% When theMer cedes‑ Benzemergency call
sy stem isactiv eand thealar mstay son for
mor eth an 30 sec onds, ames sageis aut o‐
mat icall ysen tto theCus tomer Assis tance
Ce nter (/ page 259) .
% Inthecase ofsevere batt erydisc harging,
th eanti- theftalar msystem isaut omaticall y
deactiv ated tofacil itat eth ene xt engine
st ar t.
Deact ivat ing theATA #
Press theÜ, ßor008B buttononthe
Smar tKey .
or #
Press thest ar t/ stop butt onwithth eSmar t‐
Ke yin themar kedspace (/page14 4)
Dea ctivat ingth eala rm using KEYLESS-GO #
Grasp theoutside doorhandle withth e
Smar tKey outside theve hicle. Fu
nction oftheto w- aw ay alar m %
This function mayno tbe available inall
coun tries.
An audible andvisual alarmistrigg ered ifan
alt eratio nto your vehicle's angleof inclination is
de tected whi letheto w- aw ay alar misarmed.
The tow- aw ay alar misaut omat icallyar med afte r
appr oximat ely60 seco nds:
R afte rloc king theve hicle withth eSmar tKey
R afte rloc king theve hicle using KEYLES S-GO
The tow- aw ay alar mison lyarmed when thefo l‐
lo wing compone ntsar eclos ed:
R thedoor s
R theta ilg ate
The tow- aw ay alar misaut omat icallydeac tiva‐
te d:
R afte rpr essing theÜ or008B buttonon
th eSmar tKey
R afte rpr essing thest ar t/ stop butt onwithth e
Smar tKey inthestow agecom partment
(/ page14 4) 86
Opening an dclos ing

Lane
detection (automatic )
se eAc tiveLa ne Keeping Assist
Lane Keeping Assist
see ActiveLa ne Keeping Assist
LA TC H-type (ISOFI X)child seat secur‐
ing system
In stallin g................................................ 55
Light switch
Ov ervie w .......................................... ... 125
Light ing
see Inte rior lighting
see Lights
Lights ............... ......................................... 125
Ad aptiveHig hbeam Assis t...................1 28
Au tomatic driving lights..... .................. 126
Comb inationswit ch<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 126
Cor nering light <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ............128
Haza rdwa rning light s.......................... 127
High beam............ ...............................126
High -beamflasher ...............................1 26
Ligh tswi tch ....... .................................. 125
Lo w-beam headlam ps.......................... 125
Pa rking light s.......................................1 25
Re ar foglam p...................................... 125 Re
sponsibili tyforlig hting systems .......1 25
Se tting theex terior lighting switch-
of fdela ytime ................................. ..... 129
St andi nglight s................................ .....1 25
Switc hingthesur round lighting
on /of f............................................ .....1 29
Tu rn signal light................................... 126
Limit edWa rranty
Ve hicle ............................................. ..... 30
Limiting theopenin gang le(tailg ate) ...... 77
Liv eTr af fic Inf orma tion
Swit ching thetra ffic inf ormatio ndis‐
pla yon ............................................ .....2 47
Load index(tir es) .................................... 320
Load -bearing capacit y(tir es) ................. 320
Loading ..................................................... 117
Ad jus table cargocom partmen tfloor ...118
Bag hook<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>......117
Car gotie-do wn rings <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> ..117
Coat hook ............................................ 118
Def initio ns ............. .......................... ....322
No tes ................................................... 104
Ro oflugg agera ck <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 119 Load
ingguid elines .................................. 104
Load inginforma tion table ...................... 313
Load s
Sec uring .............................................. 104
Loc king/u nlocking
Ac tivati ng/d eactiv ating theaut o‐
matic locking featur e.............................7 0
Emerg encykey ...................................... 71
KEYLESS- GO..........................................69
Opening theta ilg ate .............................. 72
Un loc kin gand open ingdoor sfrom
th einside ..............................................6 8
Lo w-beam headla mps
Swi tching on/of f<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 125
Lu bricant additives
see Additiv es
Lu ggage
Sec uring .............................................. 104
Lu mbar support
se eLu mbar support(4-w ay)
Lu mbar support(4 -w ay)...........................9 3 Inde
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V
Ve hicl e...... ............ .................................... 144
Ac tivati ng/d eactiv ating standb y
mode ...................................................1 71
Collis iondetection (parking) ................ 170
Cor rect use <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> ..............28
Dat aacq uisiti on <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> .......30
Dat ast or ag e .......................................... 30
Diagnos ticsconn ection .................. .......2 7
Eq uipme nt............ ................................. 23
Li mit edWarrant y...................................3 0
Loc king (automatical ly)......................... 70
Loc king (from inside )..... .................... .... 69
Loc king (KEYLESS-GO) .................... ......6 9
Loc king/unloc king(emerg encykey) ...... 71
Lo we ring <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>333
Ma intena nce <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011>24
Medical aids.......................................... 28
Pa rking foran extende dpe riod ............ 171
Pr oblem notification ........................ ...... 28
QR code rescue card..................... ........ 30
Quali fied specialis two rkshop ................2 7
Ra ising ........ ........................................ 329
St andb ymode function ........................ 171 St
artin g(eme rgency operation
mode) .................................................. 144
St artin g(R emo teOnline) ............... ...... 146
St artin g(sta rt/s topbutt on) ............ .... 144
Swi tching off(s ta rt/s topbutt on) .... .... 164
To wing .................................................2 21
Un loc kin g(fr om insid e).................. .......6 9
Un loc kin g(KE YLE SS-GO) ................ .......6 9
Ve ntil ating (co nve nience openi ng) ......... 79
Ve hicl edata
Ang leof app roac h/d epar ture.............3 48
Displ aying (DYN AMI CSE LECT) ...... ...... 156
Maximum gradient-climbing capabil‐
ity ........................................................ 348
Ro ofload ............................................. 348
Tu rning radius ...................................... 347
Ve hicle height ................................. ..... 347
Ve hicle length...................................... 347
Ve hicle width................................. ...... 347
Wheelbase ....................................... ....3 47
Ve hicl edata stor ag e
Ev ent datare cor der s<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> .32
MBUX multimedia system/Mer cedes
me connect ...........................................3 2
Ve hicl edimens ions...... ........................... 347 Ve
hicl eele ctroni cs
No tes ................................................... 337
Tw o-w ayradios .................................... 337
Ve hicl eiden tificati onnumber
see VIN
Ve hicl eiden tificati onplat e...... ..............339
Pa int code ...........................................3 39
VIN ...................................................... 339
Ve hicl eint erior
Coo ling orhea ting (Remo teOnline) ..... 145
Ve hicl eke y
see Smar tKey
Ve hicl emaint enance
see ASSYSTPL US
Ve hicl eoper ation
Outsi detheUS Aor Canada ...................2 4
Ve hicl eto ol kit .........................................2 87
TIREFIT kit...........................................2 87
To wing eye .......................................... 300
Ve hicl ewith ahigh center ofgrav ity .......2 8
Ve ntilat ing
Con venie nce openi ng <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ....79 Inde
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