radio MERCEDES-BENZ GLS SUV 2021 Owner's Guide

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Á Key NotDetected (red dis‐
pla ymessag e) *T
heSmar tKey canno tbe detected and mayno long erbe intheve hicle.
The Smar tKey isno long erintheve hicle andyouswit choffth eengine:
R Youcan nolongerst ar tth eengine.
R Youcan notcen trally lockth eve hicle. #
Ensur eth at theSmar tKey isin theve hicle.
If th eSmar tKey detection functi onhasa mal functi ondueto ast ro ng radio signal source: #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions. #
PlacetheSmar tKey inthemar kedspace forst ar tin gth eengine withth eSmar tKey (/ pag e16 9).
Pl ac ethe Key inthe
Ma rked SpaceSee Opera -
tor' sMa nua l *S
mar tKey detection ismal functi oning. #
Chang eth elocation oftheSmar tKey intheve hicle. #
Place theSmar tKey inthemar kedspace forst ar tin gth eengine withth eSmar tKey (/ pag e16 9).
Á Don't ForgetYour Key *A
warning tone willal so sou nd. Thismes sage reminds youto take your Sm artK ey wit hyo uwhen youlea vethe
ve hicle. Displa
ymessag esand warning/ indic ator lam ps 41
3

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Connec ta suit able charge rapp rove dfo rMer cedes-Benz withsuf ficie ntcharge output tothejum p-start connec‐
tion pointofthe12 Vbatt ery(/ page34 7).
The 48Vbatt eryis ch arge dvia thevo ltag econ verter intheve hicle.
Engin eCan Now BeStart ed *T
he48 Vbatt eryhas been charge daut omatic allyviathevo ltag econ verter . #
Startth eengine anddrive th eve hicle fora whi leto charge the12 Vbatt eryand the48 Vbatt ery. Ti
re pres sur emoni tor Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Tire Press. MonitorCur-
rent lyUnavailable *T
her eis int erfere nce from apo we rful radio signal source.Asare sult, nosignals from thetir epr essur esensor are
being recei ved. The tirepr essur emonit oristemp orarily una vailable. #
Drive on.
The tirepr essur emon itor will restar taut omat icallyas soon asthecause hasbeen rectif ied.
Tir ePre ss. Moni torInope ra-
tive *T
hetirepr essur emonit orismalfunctionin g. &
WARNIN GThe reisarisk ofan accident ifth etir epr essur emonit oring system ismalfunct ioning
The tirepr essur emonit oring system cann otissue awa rning ifth er eis pressur eloss inone ormor eof thetir es.
Ti re swit hinsuf ficie nttirepr ess urema yim pa irth edr iving charact eristic sas wellas steer ing and braking. #
Have thetir epr essur emonit oring system checkedat aqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 455

ESP
®
(Electr onicStabil ityProg ram) ...... 203
Ac tivati ng/d eactiv ating ........... ........... .205
Fu nctio n/no tes ................................... 203
Ext endable running boards....................... 74
Ext enda blestep
see Running boards
Ex terior light ing
see Light s
Ext erior light ing(Car e)...........................3 32
Ext erior mir rors <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 155, 156
Anti-glar emod e(a ut oma tic) ................ 156
Au tomatic mirrorfo lding function ........ 157
Fo lding in/out .....................................1 55
Oper ating thememor yfunc tion ........... 115
Pa rking posit ion...................................1 56
Se tting ................................................. 155 F
Fa tig ue detection
see ATTENTION ASSIST
Fi rs t-aid kit(sof tsi ded) <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> ....337
Fl aco n
Inse rting/ remo ving ............................. 163 Flat
tire .....................................................3 38
Cha nging awhe el....... ..................... .... 379
MOExt ended tires ................................ 338
No tes .................................................. 338
TIREFIT kit...........................................3 39
Flat towing
see Tow- bar system
Floor mats................................................ 141
Fo ilco vering
Ra dar and ultrasonic sensors.............. 201
Fo lding table ............................................ 122
Fr ag rance
see Perfume atomiz er
Fr ee driving mode
St artin g...............................................2 43
Fr ee sof tware ............................................ 34
Fr eq uencies
Tw o-w ayradio ................................ ...... 391
Fr ont airbag (driver ,fr ont passeng er).....4 2
Fr ont passeng erseat ................................ 96
Ad jus ting from thedr iver's seat ...... ...... 96 Ad
jus ting from there ar passe nger
com partment .........................................9 7
Fr ont passeng erseat
see Seat
Fu el ...........................................................3 96
Ad ditiv es.............................................3 96
E1 0 ....... ............................................... 395
Fu elreser ve <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 396
Ga sol ine <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 395
Qua lity (gas oline )<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 395
Re fuel ing .............................................. 191
Sul fur cont ent <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 395
Ta nk cont ent <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ...............396
Fu nction seat
see Door controlpanel
Fu nction seat(rear passeng ercom‐
par tment)
see Seat (rear passeng ercom partmen t)
Fu ses ........................................................ 353
Bef orere placing afuse ........................ 353
Dashboar dfuse box............................ 355
Fu se assignment diagram...................3 53
Fu se boxin thecar gocom partmen t....3 55
Fu se boxin theengine compartmen t.. 354 488
Index

Hill
star tassi st<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 227
HOL Dfunc tion<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 228
Fu nctio n/no tes ...... ............................. 228
Switc hingon/of f................................. 228
Home screen (media display)
Ov ervie w .................. ........................ ... 282
Hood Opening/closing ................................. 322 I
Identif ication plate
Engine .................................................3 92
Re frig er ant .................. ........................ 400
Ve hicle ............................................. ... 392
Ignition Switc hingon(Start/S topbutt on) ........ 168
Ignit ionkey
see Smar tKey
Imm obiliz er................................................ 90
Indi catorlam ps
see Warning/ indic ator lam ps
Individ ualdrive pr og ram
Con figur ing ......... ................................. 184 Sel
ecting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 184
Insid ere ar vie wmir ror
see Exterior mir rors
Insp ectio n
see ASSYST PLUS
Ins trument cluster
Fu nctio n/no tes ............................2 74,27 5
Ins trum ent Disp lay
Fu nctio n/no tes ................................... 275
Ins trument cluster ..... ............................ 10
Wa rning/ indic ator lam ps................ .... 460
Ins trum ent Displa yand on-boa rd
com puter
Fu nctio n/no tes .................................... 274
Int ellig entLight System
Ad aptiveHig hbeam Assis t.............. .....1 46
Cor nering light ....... ............................ ..146
Int erior ligh ting.......................................1 48
Ambient lighting .................................. 149
Re adin glight .................................. ...... 148
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 148
Swi tch-of fdel aytim e........... ................149 Int
erior motion sensor
Ac tivati ng/d eactiv ating ........... ..............92
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 92
In te rn et radio
see TuneIn
Io nizatio n
Ac tivati ng/d eactiv ating (MBUX mul‐
tim ediasystem) ................................... 163
iPhone ®
see Smar tphoneintegratio n® J
Jac k
St or ag elocation ..................................3 78
Jum p-startconne ction ............................3 47
Gene ralno tes ...................................... 345 K
KEY LESS-GO
Loc king theve hicle ................................ 71
Pr oblem .................................................7 2
Un loc kin gse tting .................................. 68
Un loc kin gth eve hicle ............................7 1 490
Index

Tw
o-w ayradio s
Fr eq uencies ......................................... 391
No teson installation ...........................3 90
Tr ans miss ionoutput (max imum ).......... 391 U
Un loc king setting ...................................... 68
Up dat es
Im por tant system updat es.................. 290
USB port
Re ar passe nger com partment .............1 37 V
Ve hicl e...... ................................................ 169
Ac tivati ng/d eactiv ating standb y
mode ...... .............................................2 01
Collis iondetection (parking) .......... ...... 200
Cor rect use <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> ..............28
Dat aacq uisiti on <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> ........31
Dat ast or ag e .......................................... 31
Dia gno stics con nection .................. .......2 7
Eq uipme nt............ ................................. 23
Li mit edWarrant y...................................3 1
Loc king (automatical ly)......................... 72 Loc
king (from inside )..... .................... .... 71
Loc king (KEYLESS-GO) .................... ......7 1
Loc king/unloc king(emerg encykey) ...... 73
Lo we ring <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011>384
Ma intena nce <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> ................24
Medical aids.................................... ...... 29
Pa rking foran extende dpe riod ........... 200
Pr oblem notification ........................ ...... 29
QR code rescue card..................... ........ 31
Qua lified speci alistwo rkshop ................2 8
Ra ising ................................................ 380
St andb ymode function .................. .....2 00
St artin g(eme rgency operation
mode) .................................................. 169
St artin g(R emo teOnline) ............... ...... 171
St artin g(sta rt/s topbutt on) ............ .....1 69
Switc hingoff(s ta rt/s topbutt on) .... .....1 94
To wing .................................................2 73
Un loc kin g(fr om insid e).................. ........ 71
Un loc kin g(KE YLE SS-GO) ................ .......7 1
Ve ntil ating (co nve nience openi ng) ......... 83
Ve hicl edata
Ang leof app roac h/d epar ture.............4 03
Displ aying (DYN AMI CSE LECT) ...... ...... 184
Fo rding dep th<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 403Ma
ximu mgrad ient-cli mbingcap abil‐
ity <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 403
Ro ofload ............................................. 403
Tu rning circle .......................................4 01
Ve hicle height ...................................... 401
Ve hicle length...................................... 401
Ve hicle width....................................... 401
Wheelbase ...........................................4 01
Ve hicl edata stor ag e
Ev ent datare cor der s<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> .33
MBUX multimedia system/Mer cedes
me connect ...........................................3 3
Ve hicl edimens ions...... ........................... 401
Ve hicl eele ctroni cs
No tes .................................................. 390
Tw o-w ayradios .................................... 390
Ve hicl eiden tificati onnumber
see VIN
Ve hicl eiden tificati onplat e...... ..............392
Pa int code ...........................................3 92
VIN ...................................................... 392
Ve hicl eint erior
Coo ling orhea ting (Remo teOnline) ..... 170 Inde
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