2021 MERCEDES-BENZ GLC warning light

Dr
ivin gsy stems Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
L Wa rning lam pfo rdis tance
wa rning func tion *T
he reddis tan cewarning lam plight sup while theve hicle isin mo tion.
The distance totheve hicle infront istoosmall forth espeed selected.
If th er eis an additional warning tone, youar eappr oachingan obs tacle attoohigh aspeed. #
Beprepar edtobrak eimmediat ely. #
Incr ease thedis tance.
Fu nctio nof ActiveBr ak eAssi st(/ pag e19 4). Dr
ivin gsa fety systems Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0025 ABS warning lam p *T
he yello wAB Swa rning lam pis lit while theengine isrunning .
ABS isma lfunctio ning.
If th er eis an additional warning tone, EBD isma lfunctio ning.
Ot her drivi ng systems anddriving safetysy stems mayalso bemalfunct ioning. #
Notethemessag eson themultifunc tiondispla y. &
WARNIN GThe reisarisk ofskidding ifEBD orABS ismalfunctioning
The wheels mayloc kdur ing braking. Displa
ymessag esand warning/ indic ator lam ps 42
1

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
The steer ability andbraking charact eristic sar ehea vilyim pair edand thebr aking distan cema yincr ease. Inaddi‐
tion, other driving safetysy stems areswitc hedoff. #
Drive on car efull y. #
Have thebr ak esy stem checkedimmediat elyat aqu alif ied spec ialistwo rkshop. 00E5
ESP ®
wa rning lam pflashes *
The yello wES P®
wa rning lam pflashes whiletheve hicle isin mo tion.
One ormor ewheels hasreac hed itsgrip limit (/page17 4). #
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. 422
Displa ymessag esand warning/ indic ator lam ps

Ti
re pres sur emoni tor Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0077 Ti re pressur emonit oring
sy stem warning lam p
fl ashes *The
yello wtirepr essur emon itor wa rning lam p(pr essur eloss/ malfun ction) flashes forapp roxima tely one minu te and
th en remains lit.
The tirepr essu remonit orismalfu nctioning. &
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 pairth 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 *T
he 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 can wearexc 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. 42
4
Disp lay mess ages and warning/ indic ator lam ps

Á
KeyNo tDe tected (red displ ay
messa ge)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 368
Á KeyNo tDe tected (whit edis‐
pl ay messa ge)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 367
0075 LeftSid eCu rtain Airbag Mal‐
fun ction ServiceRe quired (Exam ple) .....3 64
00C5 Lowe ring.............. <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 394
ä Malfunctio nDr ive at Ma x.50
mp h<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 393
: Malfunction SeeOperator’s
Manual... ............................................... 369
00C4 Max.Speed 12mp h<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 395
î Max.Spee d25 mph<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 388
î Notin theCur rent Drive Pr o‐
gr am <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> .....388
Á Obtain aNe wKe y<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 367
ç Off<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 387
00D9 Off<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 385
0049 Parking Brak eSee Opera tor's
Manua l........ ................ ..........................380 0077
PleaseCor rect Tire Pressur e... ..... 405
0049 Please Release Parking Brak e.. .... 383
006F Rear Lef tBac kres tNo t
La tched (exa mp le).................................3 74
Á Replace KeyBat tery <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 367
003D SeeOperator's Manua l......... .......4 02
0075 SRSMalfunction Service
Re quired ................................................ 364
Ù Steer ing Malfunct ionIncreased
Ph ysical Effort See Operator's Manua l.. 372
Ù Steer ing Malfunct ionStop
Immediat elySee Oper ator's Manual ...... 373
003D Stop Vehicle LeaveEngi neRun‐
ning <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> ....403
003D Stop Vehicle SeeOper ator's
Manual... ............................................... 402
00C4 Stop Vehicle Vehicle TooLo w....... 394
ç Suspended ................................... 387
: SwitchOf fLights.... ......................3 70
: SwitchOn Head lamp s<0011001100110011001100110011001100110011001100110011001100110011
00110011> 370 0049
Turn On theIgnit iontoRelease
th ePa rking Brak e..................................3 84
0072 Vehicle Ready toDrive Swi tch
th eIgnit ionOffBef oreEx iting ................3 72
00C4 Vehicle Rising Please Wait............ 395
00C4 Vehicle Rising ...............................3 95
0077 Warning Tire Malfunction. ............ 405
0077 Wheel Sensor(s) Missing..............4 04
Ac tiveBli nd Spo tAssi stCur rently
Un available SeeOper ator' sMan ual.......3 91
Ac tiveBli nd Spo tAssi stInoper ative.... .. 392
Ac tiveBli nd Spo tAss t.No tAv ailable
When Towing aTr ailer SeeOpera‐
to r's Manua l......... ................................. 392
Ac tiveBr ak eAssi stFunctio nsCur‐
re ntl yLim ited See Operator's Manua l...399
Ac tiveBr ak eAssi stFunctio nsLim i‐
te dSee Oper ator's Manual. .................. 400
Ac tiveDis tance AssistCur rently
Un available SeeOper ator' sMan ual.......3 87 43
4
Inde x

Re
ar (installin g/remo ving).......................9 5
Re ar passe nger com partment
(adj ustin g)...............................................9 5
Head-up Display
Ad jus ting disp lay el eme nts(on-bo ard
com puter)....... ................ .................. .... 238
Ad jus ting thebr ightn ess(on-boar d
com puter).. ....................................... ....2 38
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>237
Menu (on-bo ardcom puter)....... ........... .2 38
Oper ating thememor yfunc tion............ 102
Se tting theposition (on-boar dcom‐
put er)...... ..............................................2 38
Switc hingon/of f.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 239
Head lamps
see Automatic driving lights
Headlin er(car e)..... ....................................2 92
Heatin g
see Clima tecontr ol
Hel pcal l
see Mercede s-Benz emergency callsy stem
High beam
Ac tivati ng/d eactiv ating........... ..............122 High-be
amflasher .....................................122
High-b eamheadlam ps
Ad aptiveHig hbeam Assis t............... ...... 124
Hill star tassi st<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 178
HOLD functio n
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 177
Swi tching on/of f.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 177
Home screen (media display)
Ov ervie w... ...... .................................... ...241
Hood Opening/clo sing................................ .... 281 I
Iden tificatio nplat e
Engine ................................................... 350
Re frig er ant....... .................................... .3 57
Ve hicle. ............................................. ....3 50
Ign itio n
Switc hingon(Start/S topbutt on).... ...... 141
Ignit ionkey
see Smar tKey
Imm obiliz er..................................................8 6 Indi
catorlam ps
see Warning/ indic ator lam ps
Individ ualdrive pr og ram
Con figur ing.. .......................................... 156
Sel ecting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 156
Insid ere ar vie wmir ror
see Exterior mir rors
Insp ectio n
see ASSYST PLUS
Ins trument cluster
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 234,235
In stru men tDi spl ay
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 235
Ins trume ntclu ster ................................... 10
Wa rning/ indic ator lam ps.......................4 11
Ins trum ent Disp layand on-b oard
com puter
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 234
In te llig ent Light System
Ad aptiveHig hbeam Assis t..................... 124
Cor nering light..... <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ..........124
Int erior ligh ting
Ad jus ting ............. .................................. 126 44
0
Inde x

Ambi
entlighti ng........... <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> .....126
Re adin glam p.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 126
Swi tch-of fdel aytim e..... ........... .............127
Int erior motion sensor
Ac tivati ng/d eactiv ating........... ................89
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 88
In te rn et radio
see TuneIn
Io nizatio n
Ac tivati ng/d eactiv ating (MBUX mul‐
tim ediasystem) .....................................1 38
iPho ne®
see Smar tphone integr atio n J
Jac k
St or ag elocation. ................................... 339
Jum p-startconnec tion
Gener alno tes.. ...................................... 304 K
KEYLESS- GO
Loc kingth eve hicle ..................................7 0 Pr
oblem. .................................................. 71
Un loc kin gse tting.... .................................6 7
Un loc kin gth eve hicle.... .......................... 70
Kic kdo wn
Using... ............................................. ..... 160
Knee airbag .................................................. 43 L
Label ing(tires)
see Tire labeling
Lam p
see Interior light ing
Lam ps(Ins trum ent Displa y)
see Warning/ indic ator lam ps
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
anc hor
Ins talling. .......................................... .......5 7
Le velcontr olsystem
see AIR BO DY CONT ROL Light
switch
Ov ervie w................................................1 21
Light ing
see Inte rior lighting
see Lights
Lights AdaptiveHig hbeam Assis t.....................1 24
Au tomatic driving lights.... .....................1 22
Comb inationswi tch......... ......................122
Cor nering light....... ................................124
Haza rdwa rning light s............................ 123
High beam.............. ...............................122
High -beamflasher .................................1 22
Ligh tswi tch......... .................................. 121
Lo w-beam headlam ps............................ 121
Pa rking light s.........................................1 21
Re ar foglam p.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 121
Re sponsibili tyforlig hting systems ......... 121
Se tting theex terior lighting switch-
of fdela ytime ........................................1 25
St andi nglight s....................................... 121
Swi tching thesur round lightingon/
of f.......................................................... 126
Tu rn signal light..................................... 122 Inde
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1

Hea
d-up Display menu... ............ ........... 238
Mul tifunction displa y.<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 237
Ope rating ........... ........... ........................236
Ov ervie wof menu <0056001100110011001100110011001100110011001100110011001100110011
0011> ................236
On -bo arddia gnostic sin te rface
see Diag nostics connection
Onl ine services
Dat ast or ag e... ......................................... 34
Open-sour cesof tware................................3 6
Opening thetailg ateusing your foot
HANDS-FREE ACCES S.<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 76
Oper ating fluids
Ad ditiv es(fuel) .................................. .... 354
Br ak efluid ........................................ .....3 56
Coo lant (engi ne)..... ...............................356
Engine oil....... ....................................... 355
Fu el(gasoline) ....................................... 353
No tes... ............................................. ....3 52
Re frig er ant (airconditio ningsystem) ..... 357
Wi ndsh ield wa sher fluid .................... .....3 57
Oper ating safety
Decl arati on ofconf ormity (wirel ess
ve hicle component s)... ............................2 6
Inf ormation .......................................... .... 25 Oper
ating system
see On-bo ardcom puter
Oper ator' sMan ual
Ve hicle equipment ........................... ........ 23
Oper ator's Manual (digital)........................ 20
Op timized acceleratio n
Ac tivati ng........... ................................. ..145
Ov erhead controlpanel
Ov ervie w........................................... ...... 14 P
Pa int code.. ................................................ 350
Pa intw ork(cleaning instructions) ...........2 90
Pa nic alar m
Ac tivati ng/d eactiv ating........... ................67
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
00110011> ..............158
Sel ecting automatical ly<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 158 Pa
rking
see Elec tric par kingbr ak e
Pa rking aid
see Parking AssistPA RK TRONI C
Pa rking Assis tPA RK TRONI C
Ac tivati ng........... ...................................222
Ad jus ting warning tones <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 223
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 218
Sid eim pa ct protect ion... ....................... 220
Switc hingoff.... .....................................2 22
Sy stem limit ations. ................................ 218
Pa rking assis tance systems
see ActivePa rking Assist
Pa rking brak e
see Elec tric par kingbr ak e
Pa rking foran extended period.. .............. 170
Pa rking light s.............................................1 21
Pa rking posit ion
Ex terior mir rors<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 133
St or ing theposition ofthefront -
passeng eroutside mirrorusi ng
re ve rsege ar.......................................... 134 Inde
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5

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
TIRE FITkit............................................. 298
To wing eye... .................................... ...... 311
Ve hicl ewith ahigh center ofgrav ity .........2 9
Ve ntilat ing
Con venie nce openi ng<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> .....80
Ve ntilat ion
see Climat econt rol
Ve nts
see Airvents
VIN Identif icationplat e............ <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 350
Sea <0057001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011>....350
Wi ndsh ie<004F004700110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> ....350
Vi sion
Re mo ving condensatio nfrom the
windo ws<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 138 Vo
ice Contr olSy stem
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011>243
St artin g... .......................................... .... 244 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.. ............................................ 295
Se tting up..... ................................... ......2 95
Wa rning/indicat orlam p
0025 ABSwa rning lam p........................4 21
004D Brak esy stem warning lam p
(Canada only).................................... .... 420
0027 Brakewa rning lam p(US Aonl y)....4 20
004D Brak es warning lam p(yello w)
(Canada only).................................... .....4 19
ÿ Coolan twa rning lam p................... 415
0024 Electricpa rking brak eindic ator
lam p(red) (Canada only)........................ 418 0049
Electricpa rking brak eindic ator
lam p(red) (USAonl y)............................. 418
003D Electrica lma lfunctio nwa rning
lam p.......................................................4 17
00B9 Enginediag nosi swa rning lam p.. ...4 16
00BB ESP®
OFF warning lam p...............4 23
00E5 ESP®
wa rning lam pflashes .......... 422
00E5 ESP®
wa rning lam plight sup ........ 422
00B6 Fuelreser vewarning lam p
fl ashes ...................................................4 17
00B6 Fuelreser vewarning lam p
light sup. ................................................ 417
Ù Powe rst eer ing warning lam p
(r ed) .......................................................4 14
00C6 Recup erati ve Brak eSy stem
wa rning lam p(US Aonl y)........................4 19
0075 Restra int system warning lam p.. ...4 13
00E9 Seatbel twa rning lam pflashes .....4 13
00E9 Seatbel twa rning lam plight sup ...4 14 Inde
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