fuel MERCEDES-BENZ GLB SUV 2021 Service Manual

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions #
Consult aqu alif ied spec ialistwo rkshop.
or #
Exit theve hicle andkeep asaf edis tance from itunti lth eengine hascooled down. #
Chec kth ecoolant leve l(/ page27 5). #
Makesur eth at theair supply tothera diat orisno tobs truct ed. #
Avoiding highloads ontheengine, drive to thenear estqu alif ied spec ialistwo rkshop. Indoing so,ensur eth at the
cool anttemp eratur edispla yre mains belowthere dar ea.
00B9 En gine diagnosis warning
lam p The
yello wChec kEn gine warning lam pis lit while theengine isrunning .
*A malfunctio nha soccu rred intheengine, theex haus tsy stem orthefuel system.
The emission limitvalues maybe exceed edand theengine maybe inemer gency mod e.
In som est at es, legalrequ iremen tsstipulat eth at youmus timm ediat elyco nsult aqu alif ied spec ialistwo rkshop as
soon astheye llo wChec kEn gine warning lam plight sup. #
Have theve hicle checkedas soon aspossible ataqu alif ied spec ialistwo rkshop.
003D Electr icalmalfunction warn‐
ing lam p The
redelect rical fault warning lam pis lit.
*T her eis afa ult intheelectr ics. #
Notethemessag eson themultifunc tiondispla y. Dis
play messa gesand warning/ indic ator lam ps 403

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
00D4 Fu elreser vewarning lam p
fl ashes The
yello wfuel reser vewarning lam plight sup while youar edr ivin g.
*Th erehas been press ureloss inthefuel system. Thefuel filler cap isno tclos edcor rectly orthefuel system isleak‐
ing. #
Close thefuel filler cap.
If th efuel filler cap hasalready been closedcor rectl y: #
Consul ta qu alif ied spec ialistwo rkshop.
00D4 Fu elreser vewarning lam p
light sup The
yello wfuel reser vewarning lam plight sup while theengine isrunning .
*T he fuel supply hasdropped intoth ere ser verang e. #
Refuel . 40
4
Displ aymessa gesand warning/ indic ator lam ps

Fu
nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>189
Ac tiv eSte ering Assis t.............................1 91
Ac tivati ng/d eactiv ating ........... ............193
Ac tiveEmerg encyStop Assis t.............1 95
Ac tiveLa ne Chang eAssi st<0011001100110011001100110011001100110011001100110011001100110011
00110011> 193
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>191
Sy stem limits ....................................... 191
Ad aptiv ecr uise contr ol
see ActiveDis tance AssistDIS TRONI C
Ad aptiv eHighb eamAssist
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>128
Swi tching on/of f<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 129
Ad diti ves......... ......................................... 343
En gine oil............................................ 343
Fu el ..................................................... 343
Ad diti ves(engine oil)
see Additiv es
Ad diti ves(fuel)
see Fuel
Ad jus tableca rgocom partmen tflo or ..... 118
Af ter-sales service center
see ASSYSTPL US Air
bag
Re duced protect ion ...............................4 3
Air cond itioning menu
Callin gup ........................................ .... 140
Air distribut ion
Se tting (MB UXmult imed iasystem) ..... 140
Air inle t
see Air-water duct
Air pressu re
see Tire pressur e
Air vents ................................................... 141
Ad jus ting (front) ............. ......................141
Ad jus ting (rea r) ............. .......................142
Air vents
see Airvents
Ai r-re cir cula tion mode.............................1 41
Air -water duct .......................................... 276
Ke eping free ........................................2 76
Airb ag.........................................................4 1
Ac tivati on ........... ...................................36
Fr ont airbag (driver ,fr ont passeng er)..... 41
Ins tallation locations .............................. 41
Knee airbag............................................ 41 Ov
ervie w ................................................ 41
PA SSENGER AIRBAGind icat orlam p.....4 6
Pr otect ion ..............................................4 2
Sid eairba g<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 41
Wi ndo wcur tain airbag ...........................4 1
Alar m
see Panic alar m
Al ar m system
see ATA(anti-t heftal ar m system)
All-wheel drive
see 4MA TIC
Ambient lighting
Se tting (multimedia system) ................1 30
Andr oidAuto
see Smar tphone integr ation ®
Animals Pets intheve hicle ................................. 63
Anti-loc kbr aking system
see ABS(An ti-loc kBraking System)
Anti-skid chains
see Snowch ains
Anti -thef tpr otection
Imm obiliz er............................................ 85 In
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3

00BD
CheckCoolan tLe velSee Oper‐
at or's Manual ...................................... 363
00B3 CheckEn gine OilLevel(A dd 1
qu art) .................................................. 396
: CheckLef tLo wBeam (exa m‐
ple) ...................................................... 356
0077 CheckTire s ................................ 392
00B2 CheckWa sher Fluid ...................3 62
ÿ Coolant TooHo tSt op Vehicle
Tu rn Engi neOff............ ........................ 363
00CE Current lyUn available Camera
Vi ew Restrict ed <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> ......380
ç Current lyUn available Radar
Sen sorsDir ty ...................................... 379
0025 Currentl yUna vailable See
Opera tor's Manua l...... .........................384
00E5 Currentl yUna vailable See
Opera tor's Manua l..... ...... ....................385
Á Don't Forget Your Key................ 355 00B3
Engin eOil LevelCann otBe
Mea sured <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>...398
00B3 Engine OilLevelLo wStop Vehi‐
cle Turn Engi neOff............ ............. .....397
00B3 EngineOilPr ess ureSt op
Switc hOf fEngin e................................ 397
00B3 EngineOil Reduce OilLevel........ 396
0075 Front LeftMalfunction Service
Re quired (exa mp le) .............................. 351
00D4 FuelLevelLo w ............................ 364
00D4 GasCap Loose ...........................3 64
0025 Inoper ativeSee Oper ator's
Manua l..... ...........................................3 85
00E5 Inoper ativeSee Oper ator's
Manu al....... ......................................... 386
007A Inoper ativeSee Oper ator's
Manu al....... ......................................... 387
0053 Inoper ative....... .......................... 388
î Inoper ative....... .......................... 381
: Intell.Ligh tSy stem Inoperativ e.. 357 Á
KeyNo tDe tected (red displ ay
messa ge).............................................3 55
Á KeyNo tDe tected (whit edis‐
pl ay messa ge).....................................3 54
0075 LeftSide Curtain Air bag Mal‐
func tion Service Required (exa mp le) ...3 51
ä Malfunction Drive at Max. 50
mp h..................................................... 375
: Malfunction SeeOper ator ’s
Manual ................................................ 356
î Max.Speed 25mph...................3 81
î Notin Cur r.Dr ive Pr og ............. ..381
Á Obtain aNe wKe y.......................3 54
ç Off..............................................3 82
00D9 Off....... .......................................380
0049 Parking Brak eSee Opera tor's
Manua l...... ..........................................3 69
0077 Please Correct Tire Pressur e...... 392
0049 Please Release Parking Brak e.....3 72
Á Replace KeyBat tery <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 354 Inde
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9

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
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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

Qualif
iedspecialis two rkshop .................. 27 R
Ra dar and ultrasonic senso rs
Dam age ............ ........................ ........... 172
Ra dio
Ov ervie wof thefunc tionsand sym‐
bols ..................................................... 264
Ra in-closing featur e
Slid ingsunr oof ......................................84
Re ading light
Switc hingon/of fwit hhand move‐
ments .................................................. 235
Re ading light
see Interior lighting
Re alwo od (Car e).....................................2 81
Re ar door s(c hild safetyloc k) .................. 62
Re ar foglam p
Switc hingon/off............................ .....1 26
Re ar seat
see Seat
see Third rowofseats Re
ar vie wcamer a....... .............................203
Ca re <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 280
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>203
Ope ning thecamer aco ver(360°
Ca mer a)..... ........................................ .2 08
Re ar windo w
Cha nging thewiper blade ............... ..... 134
Re ar windo wwi per s
Ac tivati ng/d eactiv ating ........... ............132
Re fle ctive sa fety vest <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 284
Re frig er ant (air conditioni ngsystem)
No tes .................................................. 346
Re fueli ng
Re fuel ingtheve hicle ........................ ... 162
Re mo teOnline
Char ging thest ar terbatt ery ..... ...........1 45
Coo ling orhea ting theve hicle inte‐
ri or ................................................... ....1 45
St artin gth eve hicle ........................ ..... 146
Re por ting safetydef ects .......................... 29
Re scue card............................................... 30
Re ser ve
Fu el ..................................................... 343 Re
sidual heat...........................................1 41
Re stra int system .......................................3 5
Basi cins tructi ons forch ildr en ...............5 0
Fu nctio nin an acci dent <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> .36
Fu nctio nality <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011>35
Ma lfunctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011>36
Pr otect ion ..............................................3 5
Re duced protect ion ...............................3 5
Sel f-tes t<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 35
Wa rning lam p........................................ 35
Re versege ar
Inser ting.............................................. 158
Rims (Care) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011>280
Ro adside Assistan ce(breakdo wn)...........24
Ro llaw ay protection
see HOL Dfun ction
Ro ller sunblind
Pa nor amaro of wit hpo we rtilt/sli d‐
ing panel ................................................ 81
Ro llovercr ash ............ ................................28
Ro ofload .................................................. 348
Ro ofload display
In fo rm atio n.......................................... 155 432
Index

Suspension
Adaptivedam pingadjus tment .............1 98
Dam ping charact eristic s...................... 198
Switc h-offdela ytime
Ext erior ................................................ 129
Int erior ................................................. 131
Sync hronization function
Ac tivati ng/d eactiv ating (MBUX mul‐
tim ediasystem) .............................. ..... 140
Swi tching on/of f(contr olpa nel )......... 140
Sy stem settings
Ov ervie wof thesy stem settings
menu ..................... .............................. 238 T
Ta ilg ate .......................................................7 2
Closin g.................................................. 73
HANDS-FREE ACCES S...........................7 6
Limiting theopening angle.................... 77
Opening .......................................... .......7 2
Opening dimensions ............................3 47
Un loc kin g(mec hanic alkey) ............ .......7 7
Ta ilpip es(Car e)........................................ 280 Ta
nk cont ent
Fu el ..................................................... 343
Re ser ve(fuel) .................................. .... 343
Te ch nical data
Inf ormation .................................... ...... 337
Ve hicle identif ication plate............... ... 339
Te lephone .........................................2 48, 250
Connecting amobi lephone (Pass‐
ke y) ................................................ ...... 251
Con necting amob ilepho ne(Sec ure
Sim plePairing) .....................................2 51
Fu nctio nsinthete lephon emen u.........2 51
No tes ................................................... 248
Oper ating modes ........................... ...... 250
Te lephon emen uov ervie w ...................2 50
Wi reless chargin g(mob ilephon e)........ 123
Te lephon yoper ating mod es
Blue tooth®
Te lephon y.......................... 250
Te mp eratur egr ade .................................. 317
Theme s
Fa stening ............................................. 237
Thir dro w of sea ts.................................... 110
Fo lding backth ebac kres ton the
th ird row ofseats ................................. 112 Fo
lding thebac kres ton theth ird row
of seats forw ards .................................1 10
Ge tting in/out .......................................9 5
Heig htlimit ............ ................................90
Thr oug h-loading featur e
see Seat
see Third rowofseats
TIN (Tire Identif ication Numbe r)........... .318
Ti re and Loading Information placard... 313
Ti re charact eristics ................................. 320
Ti re inf lation com pressor
see TIREF ITkit
Ti re informa tion table .............................. 313
Ti re labeling .............................................. 317
Charact eristic s.................................... 320
DO T,Tire Identif ication Number (TIN) ..318
Load index..... ...................................... 320
Load-be aring capaci ty.........................3 20
Maxi mum tireloa d....... ........................319
Maximum tirepr essur e........................ 319
Ov ervie w ..............................................3 17
Spee dra ting ........... .............................320
Te mp eratur egr ade ...............................3 17 436
Index

Ve
nts
see Airvents
VIN <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ...........339
Engi necom partment ......................... ..339
Identif icationpla te <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 339
Wi ndsh ield <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011>339
Vi sion
Re mo ving condensatio nfrom the
windo ws<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 141
Vo ice Contr olSy stem
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 233
St artin g.......................................... .....2 34 W
Wa rning lam ps
see Warning/ indic ator lam ps
Wa rning system
see ATA(anti-t heftal ar m system)
Wa rning triang le
Re mo ving ............................................ 284
Se tting up............................................ 285
Wa rning/indicat orlam p
0025 ABSwa rning lam p...................... 407 004D
Brakesy stem warning lam p
(Canada only).................................. .... 406
0027 Brakewa rning lam p(US Aonl y).. 406
ÿ Coolant warning lam p................ 402
0024 Electric par kingbr ak eindic ator
lam p(red) (Canada only).....................4 05
0049 Electricpar king brak eindi cator
la mp (red) (USAonl y).......................... 405
Ù Electric po we rst eer ing warn‐
ing lam p(red) ...................................... 401
003D Electrical malfun ction warning
lam p................................................ .... 403
00B9 Engine diagno siswarning lam p.. 403
00BB ESP®
OFF warning lam p.............4 09
00E5 ESP®
wa rning lam pflashes ........ 408
00E5 ESP®
wa rning lam plight sup ...... 408
00D4 Fuelreser vewarning lam p
fl ashes .................................................4 04
00D4 Fuelreser vewarning lam p
light sup .............................................. 404 0075
Restra int system warning lam p.. 400
0076 Seatbeltwarning lam pflashes ..400
0076 Seatbeltwarning lam plight s
up ........................................................ 401
0024 Theelect ric pa rking brak e(yel‐
lo w) indic ator lam p.............................. 405
0077 Tire pressur emonit oring sys‐
te m wa rning lam pflashes .................... 410
0077 Tire pressur emonit oring sys‐
te m wa rning lam plight sup .................. 410
L Warning lam pfo rdis tance
wa rning func tion .................................. 407
Wa rning/indicat orlam ps.......................3 98
Ov ervie w ....... ......................................398
PA SSENGER AIRBAG ............................ 46
Wa rranty ....................................................3 0
Wa sher fluid
see Windsh ield wa sher fluid
Wa shing byhand (care)...... ....................279
Wa terta nk
see Air-water duct 44
0
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