engine MERCEDES-BENZ GLC COUPE 2023 Repair Manual

Engi
ne Engi
ne DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/consequences and uences
and0050 0050
Solu tions Solu
tions
To swi tch engine off,pres s
and holdStart/Stop but-
ton foratlea st3secs. or
pres s3 times. *Y
ouhave pressed thestar t/s topbutt onwhile theve hicle isin mo tion . #
Informatio nabout switchingo.theve hicle while drivi ng (/ page136).
Ca nnot Start Engine See
Ope rator'sManua l *T
hevehicle cannotbe star ted. #
Switc hth eve hicle o.and switc hit bac kon #
Ifth edispla ymessag estill appear s,consult aqu ali/ed special istwo rkshop.
00BD
Ch eck Coolant Leve lSee
Ope rator'sManua l *T
hecoolan tle ve lis toolow.
* N N
O O
TE TE
Engine damagedue toinsu1c ientcoolant #
Avoid long journeys wit hinsu1cient coolant. #
Addcoolant (/page277). #
Have theengine cooling system checkedat aqu ali/ed special istwo rkshop. Displ
aymessag esand warning/in dicatorlam ps
365 365

DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
ÿ
Cool antToo HotStop Vehi-
cle Turn Engine Off *T
hecoolan tis tooho t. #
Stop immediat elyin accor dance withth etra1c conditions andswitc ho. theve hicle. &
W W
AR NIN G AR
NIN GRisk ofbur nswhen openingthehood
If yo uopen thehood intheev ent ofan ove rheat edengine or/rein theengine compartment, thefo llo wing situa-
tions mayoccur :
R Youma ycome intocont actwithho tga ses.
R Youma ycome intocont actwithot her escapin gho toper ating0uids. #
Beforeopen ingthehood, allowtheengine tocool down. #
Intheev ent ofa/r ein theengine compartment, keep thehood closed andcallthe/r eser vice. #
Waituntil theengine hascooled down. #
Mak esur eth at theair suppl yto thera diat orisno tobstr ucted. #
Avoiding highloads ontheengine, drive to thenear estquali/ed special istwo rkshop. Indoin gso, ensu rethat the
coolant temp eratur edispla yre mains belowthere dmar king.
ÿ *T
her eis amalf unct ionintheengine cooling system. #
Avoiding highloads ontheengine, drive to thenear estquali/ed special istwo rkshop. Indoin gso, ensu rethat the
coolant temp eratur edispla yre mains belowthere dmar king. 366366
Displa
ymessag 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
To Deselect Por N,
Depress BrakeandStart
Engine *Y
ouhave attem pted toshiT thetransmission outofpar kposition 005Dorneutr al005C and intoano ther transmission posi-
tion. #
Depr essthebr ak epedal. #
Startth eve hicle. #
Chang eth etransmission position.
Apply Brake toShift to'R'
*Youhave attem pted toselect transmissi onposit ion005E. #
Depr essthebr ak epedal. #
Select transmission position005E.
Driver's DoorOpen &
Transmissi onNot inPRisk
of Vehicle RollingAway *T
hedriver's door isno tfu lly closed andtransmi ssionposition005B, 005Eorneu tral 005C isselect ed.
The vehicle mayro llawa y. #
Sele ctpark position 005Dwhen switchingo.theve hicle.
N Per mane ntlyActive Risk
of Ro lling Awa y *W
hiletheve hicle isrolling orwhile youar edr iving, neutral005C has been engaged. #
Depr essthebr ak epedal tostop . #
ShiT thetransmission topar kposition 005Dwhen theve hicle isstation ary. #
Tocont inuedr ivi ng ,select transmissio npositi on005B or005E.
Servi ceRequire dDo Not
Shift Gears VisitDeal er *T
hetransmi ssionismalf unct ioning.It is no longerpossible tochang eth etransmission position. #
Iftransmission position005Bisselect ed,consult aqu ali/ed special istwo rkshop anddonotch ang eth etransmission
position. 368368
Displa
ymessag 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

BattBatt
ery er
y Dis
pla Dis
playmes sag y
mes sages P es
Pos sible causes/co nseq os
sible causes/co nsequenc esand uenc
esand 0050 0050
Solu tions Solu
tions
003D
12 VBat terySee Oper a-
to r's Manual *T
hevehicle iso. and thecondition ofcharge ofthe12 Vbatt eryis toolow. #
Switcho. electrical consume rsthat areno tre qu ired. #
Drive fo r30–60 mins.
or #
Char gethe12 Vbatt erywhen stationar y(/ page296).
*I fth emessag eappear swhile theve hicle isswitc hedon,this indicat esan on-boar delectr icalsystem malfunction. #
Visit aqu ali/ed special istwo rkshop.
003D See Operator'sManua l *T
he12 Vbatt eryis no tbein gch arge d.
* N NO O
TE TE
Possible enginedamag eif yo ucontinue driving #
Donotcontinue driving under anycir cumst ances. #
Consult aqu ali/ ed spec ial ist wo rkshop. #
Stop immediat elyin accor dance withth etra1c conditions andswitc ho. theve hicle. #
Con sult aquali/ed specialistwo rkshop. Displ
aymessag esand warning/in dicatorlam ps
393 393

DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
003D
Stop Vehicl eSee Opera -
tor's Manua l *T
he12 Vbatt eryis no longerbeing charge dand thestat eof charge istoolow.
* N N
O O
TE TE
Possible enginedamag eif yo ucontinue driving #
Donotcontinue driving under anycir cumst ances. #
Consult aqu ali/ ed spec ialis two rkshop. #
Pullove rand stop theve hicle safelyas soon aspossibl e,paying attent ion toroad and tra1c cond itions. Donot
cont inuedr ivi ng . #
Switcho. theve hicle. #
Con sult aquali/ed specialistwo rkshop.
003D
Stop VehicleLea veEngine
Ru nning *T
he12 Vbatt erycond ition ofcharge istoolow. #
Pull overand stop theve hicle safelyas soon aspossibl e,paying attent ion toroad and tra1c cond itions. Donot
cont inuedr ivi ng . #
Leavetheengine running. #
Ifth edispla ymessag edisappear s:drive on. #
Ifth edispla ymessag edoes notdisappear :consult aqua li/ed specialist workshop. 394394
Displ
aymessag esand warning/in dicatorlam ps

Engi
neoil Engi
neoil DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/consequences and uences
and0050 0050
Solu tions Solu
tions
00B3
Che ckEngine OilAtNext
Ref ueling *T
heeng ineoilleve lhas dropped totheminimum leve l.
* N NO O
TE TE
Engine damagecaused bydriving withinsu1cien tengin eoil #
Avoid long journeys wit hinsu1cient engineoil. #
Chec kth eengine oilleve lwhen next refuel ing.
Ad dengin eoil (/ page275).
No teson eng ineoil(/ page345).
00B3
Ch eck Engine OilLeve l
(Add 1qu art) *D
ispla ymessa geonl yfo rcer tain engines:
The engine oilleve lhas dropped totheminimum leve l.
* N NO O
TE TE
Engine damagecaused bydriving withinsu1cien tengin eoil #
Avoid long journeys wit hinsu1cient engineoil. #
When next refuel ing, add1.1 USqt(1l)of engi neoil(/ page 275).
No teson eng ineoil(/ page345). 400400
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
00B3
Engine OilRed uce OilLevel *D
ispla ymessa geonl yfo rcer tain engines:
The engine oilleve lis toohigh.
* N NO O
TE TE
Engin edamag ecaused bydriving withex cess engineoil #
Avoid long journeys wit hex cess engineoil. #
Consu ltaquali/ed specialistwo rkshop immed iatelyand have theengine oilleve lre duced.
00B3 Engine OilLevel LowStop
Vehicl eTurn Engine Off *D
ispla ymessa geonl yfo rcer tain engines:
The engine oilleve lis toolow.
* N N
O O
TE TE
Engine damageca use dby driving withinsu1cien tengin eoil #
Avoid long journeys wit hinsu1cient engineoil. #
Stop theve hicle immed iatelyin accor dance withth etra1c conditions. Donotcontinue driving. #
Switc ho. theve hicle. #
Add1.1 USqt(1l)of engin eoil (/ page275). #
Chec kth eengine oilleve l.
No teson eng ineoil(/ page345). Displ
aymessag esand warning/in dicatorlam ps
401 401

DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
00B3
Engine OilPressu reStop
Switch OffEngine *D
ispla ymessa geonl yfo rcer tain engines:
The oilpressur eis toolow.
* N N
O O
TE TE
Engine damageca use dby driving withinsu1cien toil pressur e #
Avoid drivin gwit hinsu1cient oilpressur e. #
Stop theve hicle immed iatelyin accor dance withth etra1c conditions. Donotcontinue driving. #
Switc ho. theve hicle. #
Con sult aquali/ed specialistwo rkshop.
00B3
Engine OilLeve lCa nnot Be
Mea sured *T
heelect rical conn ectio nto theoil leve lsensor hasbeen interrupted ortheoil leve lsensor isfaulty . #
Consult aqu ali/ ed spec ial ist wo rkshop. WW
ar ar
nin gand indicat nin
gand indicat orlam or
lam ps ps
OvOv
er er
vie vie
wof ind icat w
of ind icat orand w or
and war ar
nin glam nin
glam ps ps
Som
esy stems willperform aself -tes twhen the
ve hicle isswitc hedon.Som eind icat orand warn- ing
lampsma ybr ie0y light upor0as h.This beha v-
ior isnon-cr itical.These indicat orand warning
lam psindicat eamalfunction onlyif th ey light up
or 0as haTer theve hicle hasbeen star tedor dur -
ing ajour ney. 402402
Displa
ymessa gesand warning/in dicatorlam ps

SS
t t
andar andar
dins d
ins tr tr
umen tdispl ay ument
display WW
idescr idescr
eencoc een
cockpit ins kpit
instr tr
ument display ument
display Depending
onthedispla yse tting ,th epositions of
th eindicat orlam pson theinst rument displa yma y
di.er from theex am ple shown.
Indi cat Indi
catorand w or
and war ar
nin glam nin
glam ps: ps:
0075 Restr aint system (/ page 404)
00E9 Seatbelt(/page404)
Ù Powe rst eer ing (/ page405)
ÿ Coolanttemp eratur e(/ page406)
00B9 Enginediagnost ics(/ page406)
003D Electricalmalfunction (/page406)
00B6 Reser vefuel with fuel /ller 0aploca -
tio nind icat or (/ page 406)
0024 Electricpar king brak e(yello w)
(/ page409)
0049 USA:electr icpar king brak e(red)
(/ page409)
0024 Canada:electricpar king brak e(red)
(/ page409)
00C6 USA:Recuper ativeBr ak eSy stem
(/ page409) 004D
Canada:brak es (yello w)
(/ page409)
0027 USA:brak es (red) (/ page409)
004D Canada:brak es (red) (/ page409)
L Distance warning (/ page412)
Ó ActiveBr ak eAssi st(/ page412)
ê ActiveBr ak eAssi st(/ page412)
0025 ABS(/page412)
00E5 ESP®
(/ page412)
00BB ESP®
OFF (/page412)
0077 Tire pressur emonit oring system
(/ page415)
0060 Standi nglights (/ page116)
0058 Lowbeam (/page116)
0057 Highbeam (/page117)
003E003D Turn sign allights (/ page117)
005E Rear fogligh t(/ page116)
Symb olsont Symb
olsonthe centr he
centr aldis pla y: al
displ ay:
É Drive Aw ayAss ist(/ page215) Dis
playmes sage sand warning/in dicatorlam ps
403 403