2023 MERCEDES-BENZ GLC COUPE heating

R
Ifoper atingcond itions chang e,e.g .o.-
ro ad drivi ng #
Adjust thetir epr essur e,ifnecessar y. Ti
re pressur ewhic his toohigh ortoolow can:
R Shor tenth eser vice life of thetir es.
R Cause increased tiredamag e.
R Adverselya.ect driving charact eristics and
th us driving safety, e.g. duetohydroplaning . &
W W
ARNIN G ARNIN
GRisk ofaccident duetotoolow
a tir epr essur e
Ti re swit hpr essur eth at istoolow can over-
heat andburstas aconse quence.
In addition, they also su.er from irre gula r
we ar,whic hcan signi/cantl yim pair thebr ak -
ing proper tiesand thehandling charact eris-
tics. #
Avoid excessiv elylo w tirepr essur e. Ti
re pressur ewhic his toolow can cause:
R Tire def ects asare sult ofoverheating R
Impair edhandling charact eristics
R Irre gula rwe ar
R Incr eased fuel consu mption &
W W
ARNING ARNING
Riskofacc ident duetotoohigh
a tir epr essur e
Ti re swit hex cessiv elyhigh pressur ecan burst.
In additi on,they also su.er from irre gula r
we ar,whic hcan signi/cantl yim pair thebr ak -
ing proper tiesand thehandling charact eris-
tics. #
Avoid excessiv elyhigh tirepr essur es. Ti
re pressur ewhic his toohigh cancause:
R Incr eased braking distance
R Impair edhandling charact eristics
R Irre gula rwe ar
R Impair eddrivi ng comf ort
R Suscep tibilityto damag e &
W W
ARNIN G ARNIN
GRisk ofaccident duetorepea-
te dpr essur edr op inthetir es
The wheels, valves ortires could bedamag ed.
To olow atir epr essur ecan lead tothetir es
bur stin g. #
Examine thetir es forfo re ign objects. #
Chec kwhe ther thetir ehas apunctur eor
th eva lve has aleak . #
Ifyo uar eunable torectif yth edamag e,
cont actaqu ali/ed special istwo rkshop. Yo
ucan /ndinf ormation ontirepr essur efo rth e
ve hicle' sfa ct or y-inst alled tires on thefo llo wing
labels:
R Tire and loadi nginformatio nplacar don the
B‑pi llarof your vehicle (/page314) .
R Tire pressur eta ble ontheinside ofthefuel
/ller 0ap(/page309).
Obser vethemaximum tirepr essur e
(/ page320).
Use asuit able pressur ega ug eto checkth etir e
pr essur e.The outerappear anceofatir edoes not 308308
Wheels
andtires

#
Allo wtheengine tocool down before
addin ganti freeze . #
Mak esur eth at no ant ifre eze spills out
ne xt to the/ller opening. #
Thor oughl yclean o.anyantifr eeze from
com ponent partsbef orestar ting the
ve hicle. *
N NO O
TE TE
Damag ecaused byincor rect cool-
ant #
Onlyuse coolant that has been premix ed
wit hth ere qu ired antifr eeze protection.
Inf ormation oncoolant isavailabl eat thefo l-
lo wing locations:
R IntheMer cedes-Benz Speci/cation for
Oper ating Fluids 320.1
- Athttp s://be vo.mer cede s-benz.c om
- IntheMer cedes-Benz BeVoapp
R Ataqu ali/ed special istwo rkshop *
N NO O
TE TE
Overheati ngathigh outsi detemp er-
atur es If
an inappr opriatecoolant isused, thecooling
sy stem isno tsu1cien tly pr otect edagainst
ov erheating andcorrosion athigh outsi de
te mp eratur es. #
Onlyuse coolant approvedfo r
Mer cedes-Be nz. #
Obs erve theinst ruction sin the
Mer cedes-Be nzSpeci /cation sfo rOper -
ating Fluids 320.1. Ha
ve thecoolant regula rly re placed ataqua li/ed
specialist workshop.
Pr opor tionofant ifre eze concentr atein thecool-
ing system:
R Aminimum of50% (antifr eezeprotection down
to about -35°F(-37 °C))
R Amaximum of55% (antifre eze protection
do wn to-49°F (-45°C)) Cool
ant Cool
ant/lling /ll
ing q q
uantity uantity
Engine cooling cir Engine
cooling circuit cuit
(/llin g (/
llin gcap acitywit cap
acitywit hhea t- h
hea t-
ing) ing)
ModelModel
Capacity Cap
acity
GL C300 4MATIC 13.7USqt
(13.0 liter s) NNo o
t t
es on winds hieldw es
on winds hieldwas her as
her 0uid 0ui
d Obs
erve theno teson oper ating0uids
(/ page342). &
W W
AR NIN G AR
NIN G‑Risk of/reand injuryfrom
wind shield washer conce ntrate
Wi ndsh ieldwasher conce ntrate ishighl y0am-
mable. Itcould igniteif it comes intocont act
wit hho tengine component partsor the
ex haus tsy stem. #
Mak esur eth at no wind shield washer
conce ntrate spill sout next to the/ller
opening. Te
ch nica ldat a
347 347

VV
ehicle ehicle
DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Solution s Solution
s
0072
Vehicle ReadytoDrive
Switch theIgnition Off
Before Exiting *Y
ouarelea ving theve hicle inare ady -to-dr ive stat e. #
Getout oftheve hicle, secureit ag ains tro lling awayand take theSmar tKey wit hyo u. #
Ifyo udo notlea vetheve hicle, switcho. theelectr icalconsumer s,e.g. theseat heating. Other wise, the12‑ Vbat-
te ry ma ydisc hargeand star tin gth eengine maybe possible onlywit hth ehelp ofasecond battery(jum pstar t).
Head-up DisplayCurre ntly
Unavail ableSee Operator's
Manua l *T
heHead -upDispl ayistemp orarily una vailable. Possible causes:
R Malf unct ionsin thepo we rsuppl y
R Sign alint erfere nce #
Stop inaccor dance withth etra1c conditions andswitc hth eve hicle o.and onagain. #
Ifth edispla ymessag estill appear s,consult aqu ali/ed special istwo rkshop.
Hea d-upDisp layInop era-
tive *T
heHead -upDispl ayhas aninternal erro r. #
Consult aqua li/ed specialist workshop. Displ
aymessag esand warning/in dicatorlam ps
361 361

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

DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
0077
Warning TireMalfunction *T
hetirepr essur ein one ormor etir es has dropped suddenly. The wheel pos itionwil lbe displa yed. &
W W
ARNIN G ARNIN
GRisk ofan accident from driving witha0at tire
R The tires can overheat and bedamag ed.
R The driving charact eristics aswellas thesteer ing and braking charact eristics maybe greatl yim pair ed.
Yo ucould then lose contr olof theve hicle. #
Donotdr ive wit ha0at tire. #
Donotex ceed themaximum permissible driving distance inemer gency mod eand themaximum permissible
speed witha0at MOExt ended tire. #
Obser vetheno teson 0at tires. No
tesin theev ent ofa0at tire(/ page287). #
Stop theve hicle inaccor dance withth etra1c conditions. #
Chec kth etir es.
Tires Overheated
*Atleast onetireis ove rheating. Thea.ect edtires aredispla yedin red. At temp eratur esclose tothelimit value, the
tir es aredisp laye din yello w. &
W W
ARNI NG ARNI
NGRisk ofan accid ent from driving withove rheat edtires
Ov erheat edtires can burst. Displa
ymessag esand warning/in dicatorlam ps
397 397

DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons #
Reduce speed sothat thetir es cool down. Decrease
Speed
*Atleast onetireis ove rheating. Thea.ect edtires aredispla yedin red. At temp eratur esclose tothelimit value, the
tir es aredisp laye din yello w. &
W W
ARNI NG ARNI
NGRisk ofan accid ent from driving withove rheat edtires
Ov erheat edtires can burst. #
Reduce speed sothat thetir es cool down. TT
ir ir
e pr e
pr essur essur
eloss w e
loss war ar
ning syst ning
system em
DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Solution s Solution
s
Check TirePressure Soon
*Canada only:
The tirepr ess urelos swa rning system has detected asigni/can tloss ofpressur e. &
W W
AR NIN G AR
NIN GRisk ofan acciden tdue toinsu1c ienttirepr essur e
R The tires can burst.
R The tires can wearexcessiv elyand/ orune venly.
R The driving charact eristics aswellas thesteer ing and braking maybe greatl yim pair ed. 398398
Displa
ymessag esand warning/in dicatorlam ps

Hea
d-up displa y Hea
d-up displa y, Dis playon thewind-
shield Adjusting brigh tnes s(o n-bo ardco m-
put er)...... ...... ........................................ 225
Ad justing displa yele men ts(on-bo ard
co mp uter).... .......................................... 225
Car e....... ............................................... 283
Fu nctio n.......... ...................................... 224
Memo ryfunc tion.... ................................ .9 7
Menu (on-boa rdcom puter)..................... 225
Se tting theposition (on-boardcom-
put er)....... ............................................. 225
Switc hingon/o...... ..... ..........................2 26
Headlam Headlam
p p
0as hing 0as
hing ....... ................................. 117
Headlam Headlam
ps ps
Au tomatic... .......................................... .1 16
Headliner Headliner......
............................................... 283
Heating Heating
Activating/dea ctivating <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F> 130
<0034004600420055000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F> 92
Help call Help
call
Mer cede s-Benz emergency callsy stem .. 260
High beam High
beam
Ac tivating/dea ctivating <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F> 117Hill
st Hill
star ar
tass ist t
ass ist<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F> 169
HOLD function HOLD
function ,Ro llawa ypr otection
Switc hingon/o...... ...............................1 68
Home scr Home
screen een
Media display........... ..............................228
Hood Hood
<003000510046004F004A004F004800100044004D00500054004A004F0048000F
000F000F000F> ................................272 II
Iden ti/cat ion Iden
ti/cat ion plat e plat
e
Engine......... .............. ............................ 341
Re frig er ant .............................................3 48
Ve hicle .................................................. 341
Immobil izer Immobil
izer... ........................... ......................8 3
Indi cat Indi
cator/ w or/
war ar
nin glam nin
glam ps ps
.............................. 402
Indi vidual dr Indi
vidual driv iv
e pr e
pr og r og
ram am
Con/gur ing............................................1 47
Inside r Inside
rear ear
vie vie
wmir r w
mir ror or
,Re arvie wmir ror........ 126
Inst Inst
alling alli
ng
Sno wch ains ............ .............................. 307
Ti re s... .................. ................................. 333
Wheel s.... ............... ................................ 333 Ins Ins
tr tr
umen tclus t umen
tclus ter er
Fu nctio n/no tes... ................................... 222
Ins Ins
tr tr
umen tdispla y umen
tdispla y, Ins trumen tclus ter
Butt ons...... ............................................223
Fu nctio n/no tes... ................................... 222
Head -updispla ymenu ............................2 25
Instr ument cluster......... .............................8
No tes... .................. ................................ 221
Ov ervie wof disp lays <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F> 224
Wa rning/in dicatorlam ps... .....................402
Int Int
ellig ellig
entLight Syst ent
Light System em
Ac tivehea dlam ps<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F> 119
Ad aptiveHig hbeam Assist.<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F> 119
Cor nering light <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F> 119
Int Int
er er
ior lighting ior
lighting
Ambient lighting<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F> 122
MBUX readin glig ht.. .............................. 233
Se tting.... ............................................... 121
Switc h-o.delaytime .............................. 122
Int Int
er er
ior prot ior
protection ection
............... ........................... 85
Int Int
er er
ne t ne
t
Mer cedes meconnect ........................... 256
Se tting upaWi -Fiho tspo <0055000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F> 236430430
Inde
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SS
Saf e Saf
ety syst ty
system s em
s
Ov ervie w..... ........................................... 163
Sat Sat
ellit ell
ite r e
rad io ad
io
Log ging in.... .... .................................... .. 269
Se tting mu sic and sportal er ts... .............2 69
Scr Scr
een een
MBUX (multimedia system) ....... ............. 228
Seat Seat
Adjusting electrica lly....... .........................89
Con/ guring settings.. ...............................9 1
Cor rect driver's seat positi on............... ....8 6
Fo lding backth ebac krest (rear
passeng ercom partment) ....................... 103
Loc king thebac krest (rear passeng er
com partment) ........................................ 103
Lu mbar suppor t.<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F> 90
Manual andelectrica l<00420045004B005600540055004E0046004F0055000F000F000F000F000F000F
000F000F000F000F000F000F000F> 87
Memor y<00470056004F00440055004A0050004F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F> 97
Re setting these tting s...... ........................ 92
Se tting options........ ................................. 14
Seat belt Seat
belt
Ad justing theheight..... ............................ 40
Au tomatic tightening..... ........................... 40 Car
e........................ .............................. 283
Fa steni ng. ................................................ 40
Pro tection ............... ................................. 37
Re leasing....... .......................................... 41
Wa rning lamp........ ................................... 41
Seat beltadjus Seat
beltadjustment tment
Ac tivating/dea ctivating <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F> 40
Fu nctio n.......... ........................................ 40
Seat beltw Seat
beltwar ar
ning ning.......
....................................41
Seat belts Seat
belts
Ac tivating/dea ctivating seatbelt
<00420045004B005600540055004E0046004F0055000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F> <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F>40
Cent errear seat (releasi ng).<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F> 39
Re duced protection .................................. 38
Seat heating Seat
heating.... ..............................................9 2
Sea the igh t Sea
the igh t............................... .....................8 9
Sea tv Sea
tventi latio n enti
latio n... ............................ ............... 93
Sea ts Sea
ts,Bac kse at,Re ar seat, Throug h-
loadi ngfeatur e
Fo lding thebac krest forw ards (rear
passen gercom partment) ....................... 101
Selecting ag Selecting
agear ear.......
.................................... 150
Select Select
orlev or
lever er,
DIRECT SELECT leve r...... ...... 148 Self-
t Self-
test est
Au tomatic front passeng erairbag shut
o..... .................. ...................................... 46
Sen sors Sen
sors.... ................................................... 282
Ser Ser
vice cent vice
center er...
............................................. 26
Ser Ser
vice int vice
interv er
val displa y al
displa y, AS SYS ,
AS SYST PL T
PL US US
......... .271
Ser Ser
vice, ASSYS vice
,ASS YSTPL T
PL US US
......... ........................ 271
Se Se
tting aspe ed tting
aspe ed... ......... ................................170
Sh iTing Sh
iTing
Au tomatic transmission .......................... 150
Gear shiT recommen dation..................... 151
Manu al.............. .................................... 150
St eer ing wheel paddle shiTers................ 150
Shor t Shor
tening t ening
the br he
braking dist aking
distance ance
BAS <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F> 164
Side airbag Side
airbag<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F> 41
Side im Side
impac tpr ot pact
protection ection
................................. 208
Side windo ws Sid
ewi ndo ws
Child safetyloc k(rear passen ger
com partmen t)... ....................................... 62
Con venienc eclo sing. .......... .....................78
Con venienc eope ning .......... .....................78
Openin gwit hth eSmar tKey <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F> 78 Inde
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437 437