sensor MERCEDES-BENZ GLC SUV 2021 Owner's Guide

of
skidding andhydroplaning onwetro ads is
inc reased.
In addit ion,th etir egr ip isgreatl yre duced at
a low outside temp eratur eand tireru nning
te mp eratur e. #
Switc hon theES P®
and adap tyo ur
dr ivin gst yle accor dingly. #
Use 004D M+Stires atoutside temp er‐
atur esofless than 50 °F(10 °C) . #
Onlyuse thetir es forth eir intended pur‐
pose. Obser
vethefo llo wing when selecting,ins talling
and replacing tires:
R Further mor e,theuse ofcer tain tiretypes in
cer tain regions andareas ofoper ation can
be highl ybenef icial.
R Onlyuse tires and wheels ofthesame type
(summer tires, wint ertires, MOEx tende d
tir es) and thesame make.
R Onlyins tallwheels ofthesame sizeonone
axle (leftand right). It
is onl yper missible toins talla dif fere nt
wh eelsi ze intheeve ntofaflat tirein order
to drive to thespecialis two rkshop.
R Vehicl eswith atir epr ess uremonit oring
sy stem: Allinstalled wheels mustbe equip‐
ped withfunc tioningsensorsfo rth etir e
pr essur emonit oring system.
R Attemp eratur esbelo w45°F (7°C) usewin‐
te rtir es orall-seaso ntir es mar ked004D M+S
fo rall whee ls.
Wi nter tires prov ide thebes tpossible grip in
wintr yro ad con dition s.
R ForM+S tires, only usetires wit hth esame
tr ead.
R Obser vethemaximum permissible speedfor
th eM+S tires installed.
If th etir e's maximum speedisbelo wthat of
th eve hicle, this mus tbe indic ated byan
appr opriatelabel inthedr iver's field of
vision.
R Break inne wtires atmoder atespeeds for
th efirs t60 miles(1 00 km) . R
Replace thetir es afte rsix yearsat thelat est,
re ga rdless ofwe ar.
R Wh enreplac ingwith tires that donotfe a‐
tur eru n-f lat charact eristics :ve hicles with
MOExt ended tires areno teq uipped witha
TIREFIT kitatthefa ct or y. Eq uip th eve hicle
wit haTIREFIT kitafte rre placing withtir es
th at do notfe atur eru n-f latch aract eristic s,
e.g .wint ertires.
Fo rmor einf ormation onwhee lsand tires, con‐
ta ct aqu alif ied spec ialistwo rkshop.
Be sureto also obse rveth efo llo wing further
re lat ed subje cts:
R Noteson tirepr essur e(/ page31 7)
R Tire and Loadi ngInfo rm atio nplacar d
(/ page32 4)
R Tire size designation, load-bearing cap acity,
spe edrating andload index(/ pag e33 1)
R Tire pressur eta ble (/ page31 9)
R Noteson theemer gency sparewheel
(/ page34 5) 338
Wheels andtires

Light
s Displa
ymess ages
Possible causes/conseq uencesand0050 0050
Solutions
: Check LeftLow
Beam (exa mp le) *T
hecor responding lightsourceisdef ectiv e. #
Drive on car efully . #
Visit aqu alif ied spec ialistwo rkshop immediat ely.
% LED lightsour ces: thedispla ymessag efo rth ecor responding lightappea rsonl ywhen allthelight- emitt ing
diodes inthelight arefa ulty .
: Malf unctionSee Oper a-
to r’s Man ual *T
heexterior lighting ismalfunct ioning. #
Consult aqu alif ied spec ialistwo rkshop.
: Automatic HeadlampMode
Inoperative *T
helight sensor ismalfunctionin g. #
Consult aqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 369

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Blind SpotAssist Current ly
Unavailable SeeOperator' s
Manual *B
lind SpotAss istis temp orarily una vailable.
The system limits have been reac hed (/page20 2).
On ce thecause ofthepr oblem isno long erpresent ,th esy stem will beavailable again. #
Drive on .
or #
Ifth edispla ymessag edoes notdisappear ,st op theve hicle inaccor dance withth etra ffic con dition sand restar t
th eengine. #
Ifneces sary,cle an there ar bum per.If th ebum perisespeciall ydir ty,th esensor sin thebum permaybe mal‐
func tioning.
Blind SpotAssist Inopera-
tive *B
lind SpotAss istis malfun ctionin g. #
Consult aqu alif ied spec ialistwo rkshop.
Blind SpotAssist NotAvail-
able When Towing aTrailer
See Operator's Manual *W
hen youes tablish theelectr icalconnect iontothetra iler ,Blind SpotAssis twill beuna vailable. #
Press thelef t-hand Touc hCon trol and ackn ow ledg eth edispla ymessag e.
Act ive Blind SpotAssist
Current lyUnavailable See
Operator 'sManual *A
ctiv eBli nd Spo tAssi stistemp orarily una vailable.
The system limits have been reac hed (/page20 2).
On ce thecause ofthepr oblem isno long erpresent ,th esy stem will beavailable again. #
Drive on .
or Dis
playmes sagesand warning/ indic ator lam ps 39
1

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Act ive Brake Assist Func-
tions Limited SeeOpera-
tor's Manual *
Ve hicl eswith theDr iving Assistance Packag e:Ac tiveBr ak eAssi stwit hcr oss- traf fic functi on,Evasi ve Steer ing
Assis tor PRE‑S AFE®
PL US arete mp orarily una vailable oronl ypar tiall yav ailable.
Ve hicl eswithout theDr iving Assistance Packag e:Ac tiveBr ak eAssi stistemp orarily una vailable oronl ypar tiall y
av ailable. #
Con sult aqu alif ied spec ialistwo rkshop.
Rada rSensors DirtySee
Operator's Manual *T
heradar sensor system ismalfunct ioning.Possible causes:
R Dirton thesensor s
R Hea vyrain or sno w
R Extende dcou ntrydr ivi ng without other traf fic, e.g. inthedeser t
Dr iving systems anddriving safetysy stems maybe malfunct ioningortemp orarily una vailable.
Onc eth ecause ofthepr oblem isno long erpresent ,th edr iving systems anddriving safetysy stems willbeavailable
ag ain.
If th edispla ymessag edoes notdisappear : #
Stop theve hicle inaccor dance withth etra ffic con dition s. #
Clean allsen sors(/ page29 1). #
Restar tth eengine. 400
Displa ymessag esand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
003D St op Vehicle LeaveEngine
Running *T
he12 Vbatt erych arge leve lis toolow. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions.Do notcontinu edr ivi ng und eranycir‐
cums tances. #
Lea vetheengine running . #
Ifth edispla ygoes out:yo ucan drive on . #
Ifth edispla ymessag edoes notdisappear :con sult aqu alif ied spec ialistwo rkshop. 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 sourceAs are sult, nosignals from thetir epr essur esensor sar e
being recei ved. The tirepr essur emonit oring system istemp orarily una vailable.
The tirepr essur emon itor ing system will restar taut omat icallyas soon asthecause hasbeen rectif ied. #
Drive on.
Tir ePre ss. Moni torInope ra-
tive *T
hetirepr essur emonit oring system ismalfunct ioning. &
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. Displa
ymessag esand warning/ indic ator lam ps 403

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Have thetir epr essur emonit oring system checkedat aqu alif ied spec ialistwo rkshop. Tire
Pressure MonitorInop-
erative NoWheel Sensors *T
hewheels installed donotha ve suit able tirepr essur esensor s.The tirepr essur emonit oring system isdeactiv ated. #
Installwheels withsuit able tirepr essur esen sors.
0077 Wheel Sensor(s )Missin g *T
her eis no signal from thetir epr essur esensor ofone ormor ewheels. Nopressur eva lue isdispla yedfo rth eaf fec‐
te dtir e. #
Have thefa ulty tirepr ess uresen sor replaced ataqu alif ied spec ialistwo rkshop.
0077 Check Tires *T
hetirepr essur ein one ormor etir es has dropped significantl y.
The wheel position isdispla yed. Awa rning tone willal so sou nd. &
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 driving 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. 40
4
Displa ymessag esand warning/ indic ator lam ps

Engine
Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
ÿ Coolant warning lam p *T
he redcoolant warning lam pis lit while theengine isrunning .
Po ssible causes:
R The temp eratur esensor ismalfunct ioning
R The coolant leve lis toolow
R The airsuppl yto thera diat orisobs truct ed
R The radiat orfanis faulty
R The coolan tpum pis faulty
If th er eis an additional warning tone, thecoolant temp eratur ehas exceeded themaximum permissible temp eratur e. &
WARNIN GRisk ofburnswhen opening thehood
If yo uopen thehood when theengine hasoverheat edorwhen ther eis afire intheengine compartmen t,th e
fo llo wing situat ionsmayocc ur:
R Youco uld come intoco ntact withho tga ses.
R Youco uld come intoco ntact withot her hot,escaping operating fluids. #
Beforeopen ingthehood, allowtheove rheat edengine tocool down. #
Intheeve ntofafire intheengine compartmen t,ke ep thehood closed andcallthefire ser vice. Displa
ymessag esand warning/ indic ator lam ps 41
5

Amb
ientlighting
Se tting (mult imediasystem).. ................1 26
Andr oidAuto
see Smar tphone integr ation
Animals Pets intheve hicle ................................... 65
Anti-loc kbr aking system
see ABS(An ti-loc kBr akin gSy stem)
Anti-skid chains
see Snowch ains
Anti -thef tpr otection
Imm obiliz er...................................... ........ 86
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
Batt erydi sconne ctionpe riods... ............ 281 Displa
yingtheser vice duedate............ 280
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 280
Re gular maint enance work<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 280
Spec ialser vice requ iremen ts............ .... 280
ATA (anti-thef tala rm system)
Ac tivati ng/d eactiv ating theint erior
mo tion sensor .................................... ..... 89
Ar ming/ disarming theto w- aw ay alar m... 88
Dea ctivating thealar m............................ 87
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>86
Fu nctio nof theint erior motion sensor ....8 8
The tow- aw ay alar mfun ction ............ .......8 7
AT TENTI ONASSIST
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011>178
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 180
Sy stem limit ations. ........................... ..... 178
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 distanc eco ntr ol
se eAc tiveDis tance AssistDIS TRONI C Au
tomatic drivin glights..... ...................... 122
Au tomatic engine star t(E CO star t/
sto pfunc tion)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> .....152
Au tomatic engine sto p(E CO star t/
sto pfunc tion)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> .....152
Au tomatic fron tpass engerfr on tair‐
bag shutoff
Fu nctio nof theaut omatic front
passeng erfront airbag shutoff................ 46
PA SSENGER AIRBAGind icat orlam p....... 48
Au tomatic fron tpass engerfr on tair‐
bag shutoff
see Automatic front pass engerfront
airb agshut off
Au tomatic mirrorfo lding function
Ac tivati ng/d eactiv ating........... ..............134
Au tomatic trans mis sion
DIR ECT SELEC Tleve r..... ........................ 157
Dr ive pr og ram disp lay. <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> 156
Dr ive pr og rams...... ................................154
DY NA MIC SELE CTswitc h...................... 154
Eng aging drive po sitio n............ .............159
Eng aging neutr al....... .............................158
Eng aging par kposi tion......... .................158 428
Index

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

PRE-S
AFEInoper ativeSee Oper a‐
to r's Manua l........ ...... ............................ 366
Ra dar SensorsDir tySee Oper ator's
Manual. .................................................4 00
Re versing NotPo ssible Service
Re quired ................................................ 379
Ru nFla tIndi catorInop erati ve............... 408
Ser vice Required Do NotShif tGear s
Vi sit Dealer.... ......... ...............................3 78
St op Vehicle LeaveEngi neRunning
Wa itTrans miss ionCoolin g.. ...................3 79
Ti re Press. Monit orCur rently
Un available ............................................ 403
Ti re Press. Monit orInopera tive... ..........4 03
Ti re Pressur eMonit orInopera tiveNo
Wheel Sensors.. ...... .............................. 404
Ti re sOv erheat ed................................... 406
To Dese lect Por N, Dep ress Brak e
and StartEn gin e.. .. ................................ 378 To
switc hengine off,pr ess and hold
St art/ Stop butt onforat lea st3
secs. orpress 3times...... ..................... 375
Tr af fic Sign AssistCamer aVi ew
Re strict ed See Operator's Manua l......... 390
Tr af fic Sign AssistCur rently Unavail‐
able SeeOperat or'sMan ual.................. 390
Tr af fic Sign AssistInoper ative..... .......... 390
Tr ans miss ionMalfun ction Stop..... ........ 379
Disp layon thewindsh ield
see Head- upDis play
Dis tance control
see ActiveDis tance AssistDIS TRONI C
DI ST RO NIC
see ActiveDis tance AssistDIS TRONI C
Do or
Ch ild sa fety lock (rear door s)............ ...... 63
Loc king(emer gency key). ................ ........ 72
Opening (from inside)... ........................... 70
Un loc kin g(emer gency key). .............. ...... 72
Un loc kin g(fr om insid e).................... .......7 0
Door controlpan el....................................... 16 DO
T,Tire Iden tificat ionNumbe r(TI N)..... 329
Do wn hilldr ivin gass ista nc e
se eDSR
Dr aw bar
see Tow- bar system
Dr inking anddriving... ...............................1 46
Dr ive Awa yAssis t.... .................................. 227
Dr ive Awa yAssis t
see Protect ion agains tcollision
Dr ive position
Inser ting.. ..............................................1 59
Dr ive pr og ram dis pla y........... .................... 156
Dr ive pr og rams
se eDY NA MIC SELE CT
Dr iver's seat
see Seat
Dr iving safetysy stem
AB S(An ti-loc kBr akin gSy stem) .............1 73
Ac tiveBr ak eAssi st<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 194
BA S(Br akeAssi stSystem) ..................... 174
Cameras. ...............................................1 71 436
Index