lock MERCEDES-BENZ GLC 2021 Service Manual

#
Position suppor t2 ofjac k4 onjacksup‐
por tpoint 1. #
Turn ratche t3 clockwise untilsuppor t2
sit scom pletely on jacksuppor tpoint 1and
th ebase ofthejac klies evenlyon the
gr ou nd . #
Turn ratche t3 unti lth etir eis raised amaxi‐
mum of1.2 in (3 cm) from thegr ound. #
Loosen andremo vethewheel (/page343). Re
mo ving awh eel Re
quirement s:
R The vehicle israised (/page34 1).
* NO
TEMer cedes-AMG vehicles #
Obser vetheno tesin theSupplement .
Yo uco uld other wise failto recogni ze
da ngers. Whe
nch ang ingawheel, avoidapplyin gan yfo rc e
to thebr ak ediscs, sincethis could impair the
le ve lof com fort when brakin g.
* NO
TEDama getothre adin gfrom dirton
wheel bolts #
Donotplace wheel boltsin san dor on
a dir tysur face. #
Unscr ew theupper mostwheel boltcom‐
ple tely. #
Screw align mentbolt 1intoth eth re ad
ins tead ofthewheel bolt. #
Unscr ew there maini ngwhee lbolts com‐
ple tely. #
Remo vethewheel. Mounting
ane wwheel *
NO
TEMercede s-AMG vehicles #
Obser vetheno tesin theSupplement .
Yo uco uld other wise failto recogni ze
da ngers. Whe
elsand tires 34
3

#
Pull filler hose 2and plug 4out ofthetir e
inf lation compressor housing. #
Inser tplug 8offiller hose 2inthesoc ket
on thetir einf lation compressor andthen
tur nit until plug8eng ages. #
Unscr ew thecap from theva lve on theemer‐
ge ncy sparewheel. #
Screw union nut3offiller hose 2ontoth e
va lve. #
Mak esur eon and offswitc h5 ofthetir e
inf lation compressor issetto 0. #
Inser tplu g4 inasoc ketin your vehicle.
R Cigarette light ersoc ket R
Obser vetheno teson thecig arette light erin
th eDigit alOper ator's Manual #
Turn theSmar tKey toposition 0047intheigni‐
tion lock. #
Press onand offswitc h5 onthetir einf la‐
tion compressor toI.
The tireinf lation compressor isswitc hedon.
The tireis inf lated. The tirepr essur eis
sho wnonmanome ter6. #
Pum pth etir eto thespecif iedtirepr essur e.
% The specif iedtirepr essur eis stat ed on the
label oftheemer gency sparewheel. #
When thespecif iedtirepr essur ehas been
re ac hed, press onand offswit ch5 onthe
tir einf latio ncom pres sor to0.
The tireinf lation compressor isswitc hedoff. #
Turn theSmar tKey toposition 005Aintheigni‐
tion lock. #
Ifth etir epr essur eis higher than thespeci‐
fi ed pressur e,press pressur ere lease valve
bu tton 7 unti lth ecor rect tirepr ess ureha s
bee nre ac hed. #
Unscr ew unio nnut 3offiller hose 2from
th eva lve. #
Screw theva lve cap oftheemer gency spare
wheel ontoth eva lve ag ain. #
Storefiller hose 2and plug 4inthelowe r
section ofthetir einf lation compressor hous‐
ing. #
Storeth etir einf lation compressor inthe
ve hicle. Wheels
andtires 34
7

#
Obser vetheins truction sin the
Mer cedes-Ben zSpecif ications forOper‐
ating Fluids310.1. Ha
ve thecoolant regular lyreplaced ataqu alif ied
spec ialistwo rkshop.
Pr opor tionofantifr eezeconcen trat ein the
engine cooling system:
R Aminimum of50% (antifr eezeprotect ion
do wn toappr oximat ely-3 5°F (-37°C))
R Amaxim umof55% (antifreeze protect ion
do wn to-49°F (-45°C))
Co olant capacity Mode
lC apacity
All mode ls 9.5USqt(9.0 liter s) No
teson windshield washer fluid Obser
vetheno teson oper ating fluids
(/ page35 2). &
WARNIN G‑Ri sk offire and injuryfrom
wind shieldwa sher concen trat e
Wi ndsh ield wa sher concen trat eis highl y
fl ammab le.Itcoul dign ite if it com esinto
con tact with hotengine component partsor
th eex haus tsy stem. #
Mak esur eth at no wind shieldwa sher
concen trat espills outnext to thefiller
open ing. *
NO
TEDama getotheex terior lighting
due touns uitable windshieldwa sher fluid Uns
uitable windshieldwa sher fluid maydam‐
ag eth eplas ticsur face oftheex terior light‐
ing. #
Onlyuse windshield washer fluid whic h
is also suitable foruse onplastic sur fa‐
ces, e.g.MBSumm erFitor MB Winter‐
Fit. *
NO
TEBlocked spr aynozzl escau sed by
mixing windshieldwa sher fluids #
Donotmix MBSum merFitand MBWin‐
te rFit withot her windshield washer flu‐
ids. Do
notuse distilled orde- ionizedwa ter.Ot her‐
wise, thefill le ve lsen sor maybe trigg ered erro ‐
neou sly.
Re comme ndedwindsh ield wa sher fluid:
R Abo vefreezing point:e.g. MBSummerFi t
R Belo wfreezing point:e.g. MBWinterFi t
Fo rth ecor rect mixi ngratio ,re ferto theinf orma‐
tion ontheantif reeze container .
Mix washer fluid withwind shieldwa sher fluid all
ye ar round . Re
frig er ant No
teson refrig er ant
Obser vetheno teson oper ating fluids
(/ page35 2). Te
ch nica lda ta 35
7

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 e14 3).
Á Don't ForgetYour Key *A
warning tone also sou nds. Thismes sage reminds youto take your Sm artK ey wit hyo uwhen youlea vetheve hicle.
Place theKey inthe
Marked SpaceSeeOpera-
tor's Manual *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 e14 3). 36
8
Dis play messa gesand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Ù St eering Malfunct ionStop
Immediately SeeOpera-
tor's Manual *T
hesteer ing ismalfunct ioning.Steer ing capability issignif icantlyim pair ed. &
WARNIN GRisk ofacci dent ifsteer ing capability isim pair ed
If th esteer ing does notfunc tion asintended, theve hicle's operating safetyis jeopar dized. #
Pull overand stop theve hicle safely assoon aspossible, paying attention toroad and traf fic condi tions.
Do notcontinu edr ivi ng und eranycir cums tances. #
Consu ltaqu alif ied spec ialistwo rkshop. 0051
*A
tle as tone door isop en. #
Close alldo ors.
0066 *T
hehood isopen. &
WARNIN GRisk ofacci dent dueto driving withth ehood unlocked
The hood mayopen andblockyo ur vie w. #
Neverre lease thehood when driving. #
Beforeev erytrip, ensur eth at thehood isloc ked. #
Stop theve hicle immediat ely,pa ying attention toroad and traf fic condi tions. #
Close thehood. Displa
ymessag esand warning/ indic ator lam ps 37
3

1,
2, 3...
4MA TIC
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>161
12 Vbatt ery
see Battery(v ehi cle)
12 Vso cket
see Socket(1 2 V)
11 5V soc ket
see Socket(1 15 V)
360° Camer a
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>215
Opening thecamer aco ver(r ear view
camer a).......... ................ .................. ..... 218
Sel ecting avie <005A001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 218 A
A/C funct ion
Ac tivati ng/d eactiv ating (MBUX mul‐
tim ediasystem) .....................................1 37
Swi tching on/of f(contr olpa nel )........... 136
ABS (Anti-lockBr ak ing System) ...............1 73
Ac celer ation
see Kickdo wn Ac
ciden tand Break down Manag e‐
men t
Mer cedesme connect..................... ...... 262
Ac ous ticlocking verificat ion signa l
Ac tivati ng/d eactiv ating........... ................67
Ac tiv eBli nd Spo tAs sist
Br ak eap plica <0057004C00520051001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> .204
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011>202
Sy stem limit ations. ........................... ..... 202
Tr ailer operation ................................ .... 204
Ac tiv eBr ak eAs sist
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 194
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 198
Ac tiv eDi stance AssistDI ST RO NIC
Ac tiveEmerg encyStop Assis t............... 192
Ac tiveLa ne Chang eAssi st<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 192
Callin gup aspee d.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 185
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011>182
Incr easi ng/decr easingspeed ............. ... 185
Re quiremen ts.................................. ...... 185
Ro ute-based speedadap tatio n.............. 187
St eer ing wheel buttons. .........................1 85
St or ing aspeed... .............................. ....1 85
Switc hingoff/dea ctivating .............. ...... 185 Swi
tching on/a ctivating<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 185
Sy stem limit ations. ................................ 182
Ac tiv eEme rgency Stop Assis t.. ...............1 92
Ac tiv eLan eCha ngeAs sist
Ac tivati ng/d eactiv ating........... ..............194
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>192
Ac tiv eLan eKe eping Assist
Ac tivati ng/d eactiv ating........... ..............207
Ac tivati ng/d eactiv ating thewa rning.... .207
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>205
Sy stem limits. ........................................2 05
Tr ailer operation .................................... 205
Ac tiv ePa rking Assis t
Ex itin gapar kingspace. ........................ 226
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>223
Pa rking. .................................................2 25
Sy stem limit ations. ................................ 223
Ac tiv eSe rvice System PLUS
see ASSYST PLUS
Ac tiv eSpe edLimit Assist
Dis play <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 186
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>186 426
Index

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

Limit
edWa rranty
Ve hicle. ....................................................3 1
Limit ingtheopenin gang le(tailg ate)........ 78
Liv eTr af fic Inf orma tion
Swit ching thetra ffic inf ormatio ndis‐
pla yon ...................................................2 57
Load index(tir es) ...... .................................3 31
Load -bearing capacit y(tir es). .................. 331
Loading Bag hook. ............................................... 111
Car gotie-do wn ri<0051004A00560011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> ....111
Coat hook.............................................. 112
Def initio ns............ .................................333
No tes... .................................................. 102
Ro oflugg agera ck <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 116
Load ing
see EASY-PAC Kloa d-secur ingkit
Loadin gguidel ines.................................... 102
Load inginforma tion table ........................ 324
Load s
Sec uring. .......................................... .....1 02 Lo
cking/unloc king
Ac tivati ng/d eactiv ating theaut o‐
matic locking featur e............................... 71
Emerg encykey.. ...................................... 72
KEYLESS- GO..... ................................... ... 70
Opening theta ilg ate.. .............................. 73
Un loc kin g/op eningth edoor sfrom
th einside.. ..............................................7 0
Lo w-beam headla mps
Swi tching on/of f.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 121
Lo we ring theve hicl e
Re ar oftheve hicle. ................................ 211
Lu bricant additives
see Additiv es
Lu ggage
Pa rcel ne t.... .................................... .......1 12
Secu ring.............. <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> ........102
Lu mbar support
se eLu mbar support(4-w ay)
Lu mbar support(4 -w ay)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 94 M
Maint enanc e
Ve hicle. ....................................................2 4
Maint enanc e
see ASSYSTPL US
Malfunct ion
Re stra int system.. ................................... 38
Malfu nction messag e
see Displa ymessag e
Maneuv ering assis tance
Ac tivati ng/d eactiv ating........... ..............228
Cr oss Traf fic Aler <0057001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 228
Dr ive Aw ayAssi st<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 227
Map Disp laying onli nemap contents............. 257
Disp laying weather informat ion.............2 57
Mo ving.. ................................................ 256
Selecting themap orient ation... ............ 256
Se tting themap scale.... ........................ 256
Switc hingfree wa yin fo rm atio non /of f...2 56
Massag epr og ram
Re settin gth ese ttings... ........................... 96 44
2
Inde x

Ser
vice center
see Qualif iedspecialis two rkshop
Ser vice interva ldisp lay
see ASSYST PLUS
Se tting aspeed
see Cruise control
Se tting thema pscale
see Map
Shif tpa dd les
see Steer ing wheel paddle shifters
Shif ting gears
Gea rshif tre comme nda<0057004C00520051001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 160
Side airbag.. .................................................4 3
Side impact protection. ............................ 220
Side windo ws
Child safetyloc kin there ar
passe nger com partment. ........................ 65
Closin g............................................. .......7 8
Closin gusin gth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 80
Co nvenienc eclosing featur e...................8 0
Con venie nce openi ng<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> .....80
Ope ning <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> .78
Opening withth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 80Pr
obl <0048005000110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 81
Ro ller sunblin d.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 86
Siz edes ignati on(tires)............................. 331
Sliding sunroof
Au tomatic featur es..................................8 4
Closin g............................................. .......8 2
Closin gusin gth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 80
Ope <0051004C0051004A001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 82
Ope ning with theSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 80
Pr obl <0048005000110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 85
Ra in-clos ingfeatur e.......................... .......8 4
Smar tKey
Ac ous ticlocking verificati onsignal .......... 67
Batt er<005C001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011>68
Ener gyconsu mption............ .................... 67
Fe atur es.................................................. 66
Ke yring attachme nt.... <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> ..68
Mec hanica lke y......... ...............................68
Ov erview <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 66
Pa nic alar <0050001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> ....67
Pr oblem. .................................................. 69
Un loc kin gse tting.... .................................6 7
Smar tKey functio ns
Deactiv ating............................................ 67 Smar
tphone
see Smar tphone integr ation
see Telephon e
Sma rtphon eint egratio n
Ov ervie <005A001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011>268
Sno wch ains.. .............................................317
Soc ket(1 2 V)
Fr ont cent erconsole .............................. 116
Tr unk /cargo comp artm ent.. .................. 116
Soc ket(1 15 V)
Re ar passe nger com partment ................ 117
Sof twareupda te
Sy stem updat es.....................................2 49
Soun d
PRE-S AFE®
<0036005200580051004700110011001100110011001100110011001100110011
00110011> .......................51
Wheels andtires .................................... 316
Sound menu
Fu nctio nsovervie w... ............................. 279
Spar ewheel
see Emer gency sparewheel
Specia lseat beltretract or........ <0011001100110011001100110011001100110011001100110011001100110011
00110011> 56
Spe ciali st wo rkshop .................................... 28 Inde
x44
9