2021 MERCEDES-BENZ GLS light

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
00E5 ESP ®
wa rning lam pflashes The
yello wES P®
wa rning lam pflashes whiletheve hicle isin mo tion.
*O neormor ewh eelsha sre ac hed itsgrip limit (/page203). #
Adaptyo ur drivin gst yle to suit thero ad and weather condition s.
00E5 ES P®
wa rning lam plight s
up The
yello wES P®
wa rning lam pis lit while theengine isrunning .
* ESP ®
is mal func tioning .
Ot her drivi ng systems anddriving safetysy stems (e.g. BAS)ma yal so be mal functi oning. #
Notethemessag eson themultifunc tiondispla y. &
WARNIN GRisk ofskid ding ifESP ®
is mal functi oning
If ESP ®
is mal functi oning,ESP ®
canno tcar ryout vehicle stabiliz ation.Inaddit ion,ot her driving safetysy stems
ar eswitc hedoff. #
Drive on car efull y. #
Have ESP ®
ch eckedat aqu alif ied spec ialistwo rkshop. 00BB
ESP ®
OFF warning lam p The
yello wES P®
OFF warning lam pis lit while theengine isrunning .
* ESP ®
is de acti vated.
Ot her driving systems anddriving safetysy stems mayalso beinoper ative. Displa
ymessag esand warning/ indic ator lam ps 47
1

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
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. 0077
Ti re pressur emonit oring
sy stem warning lam plight s
up The
yello wtirepr essur emon itor ing system warning lam p(pr essur eloss/ malfun ction) islit.
*The tirepr essur emon itor ing system has detected tirepr ess urelos sin at leas tone ofthetir es. &
WARNIN GRisk ofan acci dent dueto insuf ficie nttirepr ess ure
R The tires can burst.
R The tires canwearexc essiv elyand/or unevenly .
R The drivi ng charact eristic sas wellas thesteer ing and braking maybe greatl yim pair ed.
Yo uco uld then lose control of theve hicle. #
Obser vethere comme ndedtirepr ess ures. #
Adjus tth etir epr essur eif neces sary. #
Stop theve hicle inaccor dance withth etra ffic con dition s. #
Chec kth etir epr essur eand thetir es. Displa
ymessag esand warning/ indic ator lam ps 47
3

Pr
otect ion ..............................................4 3
Sid eairba g<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 42
Wi ndo wcur tain airbag ...........................4 2
Air flow
Se tting ................ ............................ .....1 59
AI RMA TIC..................... ............................ 229
Se tting ................................................. 231
Suspe nsion .......................................... 229
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 49
Andr oidAuto
see Smar tphone integr ation ®
Animals Pets intheve hicle ................................. 66
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............................................ 90
Anticip ator yoccupa ntprotection
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>321
Batt erydi sconne ctionpe riods .............3 22
Displ aying theser vice duedate........... 321
Fu nctio n/no tes ................................... 321
Re gular maint enance work <0011001100110011001100110011001100110011001100110011001100110011
00110011> 321
Spec ialser vice requ iremen ts.............. 321
ATA (anti-thef tala rm system) .................. 90
Ac tivati ng/d eactiv ating theint erior
mo tion sensor ....................................... 92 Ar
ming/ disarming theto w- aw ay
alar m.....................................................9 2
Dea ctivating thealar m........................... 91
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 90
Fu nctio nof theint erior motion sensor ..92
The tow- aw ay alar mfun ction .................9 1
AT TENTI ONASSIST <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 261, 26 2
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>261
Se tting <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 262
Sy stem limit ations ...............................2 61
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 ........... ................................. 330
Au tomatic distanc eco ntr ol
se eAc tiveDis tance AssistDIS TRONI C
Au tomatic drivin glights ........... ..............144
Au tomatic engine star t(E CO star t/
sto pfunc tion) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> ........179 47
6
Inde x

Br
ak efo rc edis tribut ion
EB D(elec tronic brak efo rc edis tribu‐
tion )..................................................... 207
Br ak es
ABS (Anti-loc kBr aking System) ........... 203
Ac tiveBr ak eAssi st<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 207
BA S(Br akeAssi stSystem) .................. 203
Dr iving tips.......................................... 173
EBD (electr oni cbr ak efo rc edis tribu‐
tion )........................ ............................. 207
HOLD function .....................................2 28
Limi tedbr aking effect (sa lt-tr eated
ro ads) .................................................. 173
Ne w/r epla ced brak epad s/brake
discs ........................ ............................ 171
No teson breaking-in ane wvehicle ..... 171
Po st-col lisi on brak e <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> .....51
Br akin gass ista nc e
see BAS(Br akeAssi stSystem)
Br eakdo wn
Changing awheel ................................ 379
Ov ervie wof thehelp functions...... ........ 18
Ro adside Assis tance <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> .....24
To w- star tin g.................................... .... 353
To wing away <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 350Tr
ans portingth eve hicle ......................3 51
Br eak down
see Flattir e
Butt ons
St eer ing wheel .....................................2 76 C
Calls Mer cedesme ...................................... 304
Cam era .....................................................2 39
Camer a
see 360° Camer a
see Rear vie wcam era
Car key
see Smar tKey
Car wash
see Care
Car wash (car e)....................................... 328
Car -to-X -Commu nication
Displa yinghazar dwa rnings ............ .....2 98
Car e....... ...................................................334
Air -water duct ......................................328 Au
tomatic carwash ............................. 328
Car pet.................................................3 34
Decor ativefo il .....................................3 32
Displ ay<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 334
Ext eriorlighti ng<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 332
Hea dline r<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 334
Pa int wo rk <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 331
Pl as tic trim <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 334
Po we rwa sher ...................................... 330
Re alwo od/tr imelements ...................3 34
Re ar vie wcam era ................................ 332
Ru nning boards <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ...........332
Sea tbe lts <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011>334
Sea tco ver..... ...................................... 334
Sensor s..... .......................................... 332
Sur round viewcam era ........................ 332
Ta ilpipes .............................................. 332
Tr ailer hitch <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 332
Wa shing byhand ................................. 331
Wheels/r ims....................................... 332
Wi ndo ws <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 332
Wi per blades .......................................3 32
Car gocomp artment cover
Ext end ing/retra cting <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> 128
No tes ................................................... 128 47
8
Inde x

Re
ar air vents <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> .............165
Re ar oper atingunit .............................. 160
Re frig er ant .................. ........................ 400
Re frig er ant filling capac ity.............. .....4 01
Re mo ving condensatio nfrom the
windo ws<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 162
Re sidua lheat ......... .............................. 162
Re sidua lheat (rear oper ating unit) ...... 163
Se tting (MBU Xmul time diasy stem) ..... 160
Se tting theair distribution ...................1 59
Se tting theair flow <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 159
Se tting thefragr ance system ............... 163
Se tting thete mp eratur e......................1 59
Switc hingthere ar wind owheat er
on/of f.................................................1 59
Ve ntil ating theve hicle (convenie nce
op eni ng) <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 83
Wi ndsh ield hea ter ...... ..........................164
Coat hook .................................................1 32
Co ckpit <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>6
Ov ervie w <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> ..............6
Co ffee cup symbol
see ATTENTION ASSIST Collapsible
sparewheel .......................... 387
Inf lating .......................................... ..... 388
No tes ................................................... 387
Re mo ving ............................................ 388
Col lision detection (parked vehicl e)...... 200
Comb inationswi tch ...... ..........................144
Com puter
see On-boar dcom puter
Consum ption indicat or
Calling up........................................ .... 185
Con venience closing featur e....... ............. 83
Co nvenience opening................................ 83
Coolant (engine)
Capacit y.......................................... .... 399
Chec kleve l.......................................... 326
No tes .................................................. 398
Cool ing
see Clima tecontr ol
Co pyrights
Licen se.................................................. 34
Tr ademar ks<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 35
Co rnering light .........................................1 46 Cr
oss Traf fic Aler t...................................2 60
Cr oss wind Ass ist
Fu nctio n/no tes ................................... 206
Cr uise contr ol.......................................... 212
Butt ons <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> .......213
Callin gup aspee d...............................2 13
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>212
Re quiremen ts:.....................................2 13
Sel ecting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 213
Se tting aspe ed <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 213
St or ing aspeed .................................... 213
Swi tching off<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 213
Swi tching on<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 213
Sy stem limit ations ...............................2 12
Cup holder
Swit ching thecooling/ heatingfunc‐
tion on/off.......................................... 133
Cush ionba g................................................ 42
Cus tomer Assist ance Center (CAC ).........2 9
Cus tomer Relat ions Depar tment .............2 9 480
Index

D
Dash board
see Cockpit
Data acquisition
Ve hicle ................................................... 31
Data storage
Ele ctroni ccontr oluni ts ............ ..............31
Online services ...................................... 33
Ve hicle ............................................. ...... 31
Da ytim eru nning lampmode
see Daytime running lights
Da ytime running lights ........................... 147
Swi tching on/of f<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 147
Deact ivat ing theala rm (ATA ).................... 91
Deale rship
see Qualified speci alist wo rkshop
Dec laration ofconf ormity
Wi reless vehicle component s................2 7
Decor ative fo il(cleaning instructions)
.. .............. ...................................................3 32
De finitions (tiresand loading) ................3 72 Des
tinat ion entry<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 295
Ent ering aPOI oraddress <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 295
De tectin ginat tentiv eness
see ATTENTION ASSIST
Diagnos ticsconnec tion............................2 7
Digita lOp erator' sMa nua l........................ 20
Dingh yto wing
see Tow- bar system
DIRECT SELECT leve r............ ...................185
Eng aging drive po sitio n............. ........... 187
Eng aging neu tral ............. .....................186
Eng aging park position .................. ...... 186
Eng aging park position automatic ally .. 186
Eng aging reve rsege ar .................... .....1 86
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>185
Disp lay(Car e).......................................... 334
Disp lay(MB UXmultim edi asy stem)
Hom escr een .......................................2 82
Di spla y(multime diasystem) .................2 83
Oper ating ............................................283
Di spla y(on -boar dco mp uter)
Displ ayson themultifunc tiondispla y.. 278 Disp
laymes sage.....................................4 08
Ca lling up (on-boa rdcom puter) ..... ......4 08
No tes .................................................. 408
Displa ymessag es
00B2 ---mp h.....................................4 46
ç ---mp h.....................................4 44
003D 12VBatt erySee Oper ator's
Manual ................................................ 452
00D7 48VBatt erySee Oper ator's
Manual ................................................ 454
: ActiveHea dlamps Inoperati ve .... 415
é ATTENTION ASSISTInoper ative
... ..........................................................4 33
é ATTENTION ASSIST: Take a
Br ea k! <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>........433
: Automatic HeadlampMode
Inoper ative..... ...................................... 414
0027 CheckBr ak eFluid Level.............4 32
0026 CheckBrak ePa ds See Oper a‐
to r's Manua l..... ................................... 433 Inde
x48
1

00BD
CheckCoolan tLe velSee Oper‐
at or's Manual ...................................... 423
00B3 CheckEn gine OilLevel(A dd 1
qu art) .................................................. 458
: CheckLef tLo wBeam (exa m‐
ple) ....................................................... 414
0077 CheckTire s ................................ 456
00B2 CheckWa sher Fluid ...................4 22
00C4 Compressor IsCoo ling ...............437
ÿ Coolan tTo oHo tSt op Vehicle
Tu rn Engi neOff............ ........................ 423
00CE Current lyUn available Camera
Vi ew Restrict ed <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> ......443
ç Currentl yUna vailable Radar
Sen sorsDir ty ...................................... 442
0025 Currentl yUna vailable See
Opera tor's Manua l...... .........................447
00E5 Currentl yUna vailable See
Opera tor's Manua l...... ........................ 448
Á Don't Forget Your Key.................4 13 00C4
Drive More Slowly ............ .......... 437
00B3 EngineOilLe velCann otBe
Mea sured <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>...460
00B3 Engine OilLevelLo wStop Vehi‐
cle Turn Engi neOff............ ..................459
00B3 EngineOilPr ess ureSt op
Switc hOf fEngin e................................ 460
00B3 EngineOil Reduce OilLevel........ 459
0075 Front LeftMalfunction Service
Re quired (exa mp le) .............................4 09
00B6 FuelLevelLo w ............................ 424
00B6 GasCap Loose ...........................4 24
0025 Inoper ativeSee Oper ator's
Manua l..... ........................................... 448
00E5 Inoper ativeSee Oper ator's
Manua l..... ........................................... 449
007A Inoper ativeSee Oper ator's
Manua l..... ........................................... 450
0053 Inoper ative..... ............................4 51
î Inoper ative..... ............................4 44 :
Intell. Light System Inoperativ e.. 415
Á KeyNo tDe tected (red displ ay
messa ge).............................................4 13
Á KeyNo tDe tected (whit edis‐
pl ay messa ge)...................................... 412
0075 LeftSide Curtain Air bag Mal‐
func tion Service Required (exa mp le) ...4 09
00C5 Lowe ring <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ............435
ä Malfunctio nDr ive at Ma x.50
mp h............................................. 434, 435
: Malfunction SeeOper ator ’s
Manual .................................................4 14
î Max.Speed 25mph...................4 44
î Notin Cur r.Dr ive Pr og ............. ..444
Á ObtainaNe wKe y.......................4 12
ç Off..............................................4 45
00D9 Off....... .......................................443
0049 Parking Brak eSee Opera tor's
Manua l...... .......................................... 428
0077 PleaseCor rect Tire Pressur e...... 457 482
Index

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