2023 MERCEDES-BENZ GLC COUPE service

*
N N
O O
TE TE
Dam ageto theex terior lightin gdue
to unsuit ablewindshield washer 0uid Un
suit able windshield washer 0uidmaydam-
ag eth eplastic surface oftheex terior lightin g. #
Onlyuse windshield washer 0uidwhichis
also suitable foruse onplastic surfaces,
e.g .MB Sum merF itor MB WinterF it. *
N NO O
TE TE
Bloc kedspr aynozzles cause dby
mixing windshield washer 0uids #
Donotmix MBSummerF itand MBWin-
te rF itwit hot her wind shield washer 0u-
ids. Do
notuse distilled orde-i onised water. Ot her -
wise, the/ll leve lsensor maybe trigg ered erro ne-
ous ly.
Re commen dedwindshi eldwasher 0uid:
R Above freez ing point :e.g. MBSum merFit
R Below freez ing point :e.g. MBWinterF it
Fo rth ecor rect mixin gra tio, referto theinf orma-
tion ontheantifr eeze container . Mix
washing waterwit hwindshield washer 0uidall
ye ar round. RR
efr efr
ig ig
er er
ant ant
NNo o
t t
es on r es
on refr efr
ig ig
er er
ant ant
Obser vetheno teson oper ating0uids
(/ page342) .
* NO NO
TE TE
Damag edue toincor rect refrig er ant If
anon- appro vedre frig er ant isus ed ,th ecli-
mat econtr olsystem maybe damag ed. #
US US
A: A:
use onlyR‑134a refrig er ant . #
Canad a: Ca
nad a:useonl yR‑12 34yfre frig er ant . *
N NO O
TE TE
Dama getotheclimat econtr olsys-
te m due toincor rect refrig er ant comp res-
sor oil #
Onlyuse refrig er ant comp ressor oilthat
has been approvedby Mer cedes-Be nz. #
Donotmix theappr ovedre frig er ant
co mp ressor oilwithadi.er entrefrig er -
ant comp ressor oil. Wo
rkon theclimat econtr olsystem maybe car -
ri ed out onlyat aqu ali/ed special istwo rkshop. All
applic ableregula tions aswellas SAEstandar d
J639 must beadher edto.
The informa tion labelforth eclimat econtr olsys-
te m rega rding there frig er ant type and there frig-
er ant comp ressor oil(PAG oil) islocat edon the
inside ofthehood. Inf
ormation label(exa mp le–US A)
1 Hazar dand service warning symbo ls
2 Refrig er ant /llin gca pa city
3 Applicab lestand ards
4 PAGoil par tnumber 348348
Te
ch nica ldat a

5
GWP(gl oba lwa rming potential )of there frig er -
ant used
6 Refrig er ant type Inf
orma tionlabe l(e xa mp le–Canada)
1 Hazar dand service warning symbo ls
2 Refrig er ant /llin gca pa city
3 Applicab lestand ards
4 PAGoil par tnumber
5 GWP(gl oba lwa rming potential )of there frig er -
ant used
6 Refrig er ant type Sym
bols1 indicat eth efo llo wing:
R Possible dangers
R Havin gmaint enanceworkcar ried out ata
qu ali/ed special istwo rkshop
F F
illi ng capacit yf illi
ng capacit yfor r or
ref r ef
rig ig
er er
ant and PA ant
and PAGoil G
oil
R R
efr efr
ig ig
er er
ant ant
/lling /lling
capacity capacity
ModelModel
GL C300 4MATIC 22.2±0.4 oz
(630 ±10 g) FF
illin gcapacity f illin
gcapacity for PA or
PAGoil G
oil ModelModel
GL C300 4MATIC 2.8±0.4 oz
(80 ±10 g) VV
ehicle data ehicle
data VV
ehicle dimensio ns ehicle
dimensio ns The
heights speci/ed mayva ry as are sult ofthe
fo llo wing fact or s:
R tires
R load
R condi tionofthesuspension
R optional equipment 1
Height whenopened
2 Headr oom Te
ch nica ldat a
349 349

DisplaDispla
ymessag y
messag es es
IntrIntr
oduction oduction
InfInf
or or
mation aboutdispla mation
aboutdisplaymessag y
messag es es
Displa ymessag esappear ontheinst rument dis-
pla y.
Displa ymessag eswithgr aphic symbols are
sho wninasimpli/ed form intheOper ator's Man-
ual and maydi.er from thesymbols ontheinst ru-
ment displa y.The instr umentdis pla ysh ow shigh-
pr ior ity displa ymessag esinred. Cer tain displa y
messa gesar eaccom paniedbyawa rning tone.
Plea seactin accor danc ewit hth edispla ymes-
sag esand follo wtheadditional notesin theOper -
at or's Manual.
Fo rsome displaymessag es,symbols willalso be
sho wn:
R Õ Further informatio n
R 00A4 Hidedispl aymessag e
Wi th theleT-h andTouc hContr ol,youcan select
th ere specti vesymbol byswipin gto theleT or
ri ght. Press ing Õ displa ysfur ther information onth
emedia display.Press the00A4 symbol tohide
th edispla ymessag e.
Yo ucan hide low- prior ity displa ymessag esby
pr essing thebac kbutt onP ortheleT-h and
To uc hContr ol.The displa ymessa geswill then be
st or ed inthemessag ememor y.
Re ctif yth ecause ofadispla ymessag eas quickl y
as possible.
High-pr iority displa ymessa gescann otbe hidden.
The instrument displaywill showthese displa y
messag esper manentl yuntil thecause ofthedis-
pla ymessag ehas been recti/ed.
Callin gup sav Callin
gup saved displa ed
displa ymessag y
messag es es
On- boar dcom puter:
4 Service5
1Mes sage
If th er ear eno displa ymessag es,No Messag es
will appear ontheinst rument displa y. #
Scroll thro ugh thedispla ymessag esby swip-
ing upw ards ordown wardson theleT-h and
To uc hContr ol. #
T T
o e o
exit t xit
the messa g he
messa ge memor y e
memor y: :
pr ess thebac k
butt onP. Displa
ymessag esand warning/in dicatorlam ps
351 351

Occupant
safe Occupant
safety ty
DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Solut ions Solut
ions
0075
SRS Malfunction Service
Req uired *T
herestr aint system isma lfunc tion ing (/ page 36). &
W W
ARNIN G ARNIN
GRisk ofinjur ydue tomalfun ctionsinthere str aint system
Co mp onent sin there str aint system maybe acti vatedunint ention allyor notdeplo yas planned inan accident. #
Have there str aint system checkedand repair edimmediat elyat aqu ali/ed special istwo rkshop. 0075
Front LeftMalfunction
Servi ceRequire d(exa mp le) *T
hecor respond ingrestr aint system isma lfunc tion ing (/ page 36). &
W W
ARNIN G ARNIN
GRisk ofinjur ydue tomalfun ctionsinthere str aint system
Co mp onent sin there str aint system maybe acti vatedunint ention allyor notdeplo yas planned inan accident. #
Have there str aint system checkedand repair edimmediat elyat aqu ali/ed special istwo rkshop. 0075
Left SideCu rtai nAirb ag
Ma lfunction Service
Re quire d(exa mp le) *T
hecor respond ingrestr aint system isma lfunc tion ing (/ page 36). &
W W
ARNIN G ARNIN
GRisk ofinjur yor fata linjur ydue toamalf unct ioninthewindo wcur tain airbag
The windo wcur tain airbag mightbetrigg ered unint entionall yor might notbe trigg ered atall intheev ent ofan
accident. #
Have thewindo wcur tain airbag checkedand repair edimmediat elyat aqu ali/ed special istwo rkshop. 352352
Displ
aymessag esand warning/in dicatorlam ps

DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons #
Forall other transmi ssionpositions,par kth eve hicle safely. #
Consult aqua li/ed specialist workshop orbreakdo wnservice .
Re vers ingNot Possible
Servi ceRequire d *T
hetransmi ssionismalf unct ioning.It is no tpossibl eto select transmissi onposit ion005E. #
Con sult aquali/ed specialistwo rkshop.
Tra nsmi ssion Malfunction
Stop *T
hetransmi ssionismalf unct ioning.The transmi ssionshiTs toneutr al005C automa tically. #
Stop theve hicle immed iatelyin accor dance withth etra1c conditions. #
Depr essthebr ak epedal. #
Eng agepar kposition 005D. #
Consult aqua li/ed specialist workshop.
Stop VehicleLea veEngine
Ru nning WaitTra nsmi ssion
Co oling *T
hetransmi ssionisove rheating. Pullingawayma ybe temp orarily im pair edornotpossible. #
Stop theve hicle immed iatelyin accor dance withth etra1c conditions. Donotcontinue driving. #
Leavetheengine running. #
Waituntil thedispla ymessag edisappear sbef orepulling away.
Auxi liar yBatte ryMa lfunc-
tio n(whit edispl aymessag e)*T
heauxili arybatt eryfo rth eaut omatic transmission isno long erbeing charge d. #
Visit aqu ali/ed special istwo rkshop. #
Untilthen, alwaysselect parkposit ion005Dmanu allybef oreyo uswitc ho. theve hicle. #
Beforelea vingth eve hicle, applyth eelectr icpar king brak e. Displa
ymessag esand warning/in dicatorlam ps
369 369

AIR
BOD AIR
BOD YC Y
CON TR ON
TROL OL
Fu nctio n........... ..................................... 196
Se tting .......... .......... ...............................197
Air conditioning menu Air
conditioning menu
Air distr ibution..... .................................. 131
Calling up.............................................. 130
Climat econtr ol......... .............................131
Ionization...... ......................................... 132
Air dis Air
distr tr
ibution ibution
MBUX multimedia system ....... ................131
Se <00550055004A004F0048000F000F000F000F000F000F000F000F000F000F000F
000F> .......................................129
Air fr Air
freshener syst eshener
system em..
....... ....... .................... 132
Air inle t Air
inle t........... .............................................278
Air pr Air
pressur e essur
e........ ......................................... 307
Air suspension Air
suspension, AIRBOD YCO NTR OL............1 96
Air v Air
vents ents
Se <00550055004A004F0048000F000F000F000F000F000F000F000F000F000F000F
000F> .......................................134
Air/w Air/w
at at
er duct er
duct.. ...........................................278
Airbag Airbag,
Occupa ntsaf ety
Au tomatic front passeng erairbag shut
o..... ........................................................ 44
Fr ont airbag (driver ,fr ont passeng er)........ 41
Inst allation locations ................................ 41 Knee
airbag... ........ .................................. 41
Ov ervie w.... .............................................. 41
PA SSENGE RAIR BA Gind icat or lamp s...... 46
Pr otection.... ............................................ 42
Side airbag...... ........................................ 41
Wi ndo wcur tain airbag .............................. 41
Air0 ow Air
0ow
Se tting .... ................ ............................... 129
Ala r Ala
rm syst m
system em,
ATA<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F> 83
All-wh eeldr All-wh
eeldrive iv
e, 4MA <0035002A0024000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F> 152
Ambient lighting Ambient
lighting<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F> 122
Animals Animals
Pets intheve hicle .................................... 62
An ti-loc An
ti-loc kbr k
br aking syst aking
system em
,AB S... .................. .1 64
An ti-t An
ti-theT heT
alar alar
msyst m
system em
,ATA <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F> 83
An ti-t An
ti-th eT heT
prot pr
otection ection
,AT A
Immobi lizer.............................................. 83
App rov Appro
val numb ers al
numb ers............ ............................340
Apps Apps
Mercedes mecalls. ................................253
Mer cedes meconnect. .......................... 256
Assist Assist
ancesyst ance
systems ems
....... ...............................163 ASS
YS ASS
YSTPL T
PL US US
Batt erydis conne ctionper iods............ ....272
Ser vice interva ldispla y......... ................. 271
Ser vice requ irements....... ...................... 271
ATA ATA
Deactiv atingthealar m.<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F> 84
Fu nctio n........... .......... ............................. 83
Int erior protection ....................................8 5
To w- awa yalar m.<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F> 84
To w- awa ypr otection ................................ 85
AT ATA A
(ant i-t (a
nt i-the T heT
alar ala
rm syst m
system) em)
Int erior protection function ....................... 85
A A
TTENTION ASSIST TTENTION
ASSIST, Attention assist ant
Fu nctio n........... .......... ........................... 169
Se tting .......... .........................................170
A A
ut ut
hor hor
ized Mer ized
Mercedes-Benz Ser cedes-Benz
Service Cent vice
Cent er er.....
26
A A
ut ut
hor hor
ized w ized
wor k or
kshop shop.
.....................................26
A A
ut ut
omatic carw omatic
carwash ash
....... ....... ........................278
A A
ut ut
omatic carw omatic
carwash mode ash
mode ............................ 278
A A
ut ut
omatic climat omatic
climatecontr e
contr ol ol
....... ..................... 131
A A
ut ut
omatic dist omatic
distance contr ance
control ol
,Ac tiveDis-
ta nce AssistDIS TRON IC, DIS TRON IC.......... .172
A A
ut ut
omatic dr omatic
driving lights iving
lights........ ........................117 418418
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Displa
y Displa
y
Car e.... .................................................. 283
Displa Displa
y(on-boar y
(on-boar dcom d
com put put
er) er)
Displa yson theinst rument displa y......... 224
Disp la Disp
lay mes sage y
mes sage
Call ingupintheon-boar dcom puter...... .3 51
Displa Displa
ymessa g y
messa ges es
ç ---mp h<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F> 376
h ---mp h<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F> 376
003D 12VBatt erySee Oper ator's
Manual <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F> 393
: ActiveHeadl ampsInop erativ e....... 358
é ATTEN TIONASSIS TIno per ative..... 375
é ATTEN TIONASSIS T:Take a
Br ea k!...... ...... ........................................ 376
: Automatic Headlam pMode
Inoper ative......... .................................... 358
0027 CheckBr ak eFluid Level................ 374
00BD CheckCoola ntLevelSee Oper -
at or's Manual. ........................................ 365 00B3
CheckEngine OilAtNe xtRe fu-
eli ng .... ........................ .......................... 400
00B3 CheckEng ineOilLe vel(A dd 1
qu art)... ........................... ......................4 00
: CheckLeT LowBeam (exa mp le)... 357
0077 CheckTire s<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F> 396
00B2 CheckWa sher Fluid... ...................3 64
00C4 Compressor IsCooling ..................386
ÿ Coolant TooHo tSt op Vehicle
Tu rn Engi neO... .................................... 366
0025 Currentl yUna vailable SeeOper -
at or's Manual. ........................................ 387
00E5 Currentl yUna vailable SeeOper -
at or's Manual. ........................................ 388
Á Don't Forget Your Key<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F> 357
00C4 Drive Mor eSlo wly <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F> 385
00B3 Engine OilLevelCanno tBe
Measur ed........ ........................ ..............402
00B3 Engine OilLevelLo wStop Vehi-
cle Turn Engi neO... ...............................4 01 00B3
Engine OilPressur eSt op Switc h
O. Engin e....... ....................................... 402
00B3 EngineOil Reduce OilLevel........... 401
0075 Front LeT Malfu nction Service
Re quired (examp le)...... ..........................352
00B6 FuelLevelLo w... ...... ..................... 367
00B6 GasCap Loose ............................. 367
0025 Inoper ativeSee Oper ator's
Manual....... ...........................................3 88
00E5 Inoper ativeSee Oper ator's
Manual....... ...........................................389
007A Inoper ativeSee Oper ator's
Manual....... ...........................................390
0053 Inoper ative....... ............................ 392
: Intell. Light System Inoper ative..... 359
Á KeyBe ing Ini tia lized Please Wait.... 356
Á KeyNo tDe tected (Red displa y
messag e)...............................................3 56
Á KeyNo tDe tected (whit edis-
pla ymessag e)... .....................................3 55 Inde
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423 423

0075
LeTSideCur tain Airbag Mal-
function Service Required (examp le)......352
00C5 Lowe ring.......... ............................. 385
ä Malfunc tionDrive at Max .50
mp h<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F> 384
: Malfunctio nSee Oper ator ’s
Manua l................. .................................358
Á ObtainaNe wKe y<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F> 355
ç O.<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F> 377
00D9 O.<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F> 375
0049 Parking Brak eSee Oper ator's
Manual....... ...........................................3 70
0077 Please Correct Tire Press ure........ .396
0049 Please Release Parking Brak e...... ..373
006F Rear LeT Backres tNo t
Latc hed (exa mp le)...... ...... ..................... 364
Á Replace KeyBat tery <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F> 355
003D SeeOper ator's Manual<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F> 393
0075 SRSMalfunctio nSer vice
Re quired....... ......................................... 352 Ù
Steer ing Malfunction Increased
Ph ysical E.or tSee Oper ator's Manual. ...362
Ù Steer ing Malfunction Stop
Immediat elySee Oper ator's Manual ....... 362
003D Stop Vehicle LeaveEngi neRun-
ning .......... .................... .........................394
003D Stop Vehicle SeeOper ator's
Man ual..................................................3 94
00C4 Stop Vehicle Vehicle TooLo w.... .... 384
ç Suspen ded................................... 377
: SwitchO. Lights.. .........................3 59
: SwitchOn Headlam ps....... ............ 358
0049 Turn On theIgnition toRelease
th ePa rking Brak e...... ........................ ..... 374
0072 Vehicle Ready toDrive Switc h
th eIgnition O.BeforeExiting....... .......... 361
00C4 Vehicle RisingPlease Wait...... .......385
00C4 Vehicle Rising...............................3 85
0077 Warning Tire Malfunc tion.......... ....397
0077 WheelSenso r(s)Miss ing.......... .....395 Ac
tiveBlind SpotAssi stCur rentl y
Una vailable SeeOper ator's Manual ........381
Ac tiveBlind SpotAssi stInop erativ e........ 382
Ac tiveBlind SpotAsst. NotAv ailabl e
When Towing aTr ailer SeeOper ator's
Man ual..................................................3 82
Ac tiveBr ak eAssi stFunctio nsCur -
re ntl yLimi tedSee Oper ator's Manual .....3 90
Ac tiveBr ak eAssi stFunctio nsLimi ted
See Operator 's Man ual.... ...................... 391
Ac tiveDist ance AssistCur rentl y
Una vailable SeeOper ator's Manual ........377
Ac tiveDist ance AssistInop erativ e.......... 377
Ac tiveDist ance AssistNo wAv ailabl e... ... 378
Ac tiveLane Keeping Assist Camer a
Vi ew Restr icte dSee Oper ator's Man-
ual.... .....................................................3 83
Ac tiveLane Keeping Assist Currentl y
Una vailable SeeOper ator's Manual ........382
Ac tiveLane Keeping Assist Inoperative... 383 424424
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