2023 MERCEDES-BENZ A CLASS check engine

DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
00BD
Check CoolantLevel See
Opera tor'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 (/page262). #
Have theengine cooling system checkedat aqu ali/ed special istwo rkshop.
ÿ
Co olant Too 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. Displa
ymessag esand warning/in dicatorlam ps
351 351

DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
003D
Stop Vehicl eLeave Engine
Ru nning *T
he12 Vbatt erych arge leve lis toolow. #
Stop theve hicle immed iatelyin accor dance withth etra1c conditions. Donotcontinue driving. #
Leavetheve hicle running #
Ifth edispla ymessag edisappear s:drive on. #
Ifth edispla ymessag edoes notdisappear :consult aqua li/ed specialist workshop. TT
ir ir
e pr e
pr essur essur
emoni t e
moni tor or
Displ
a Displ
ay messag y
messag es P es
Possible causes/ conseq ossible
causes/ consequen ces and uen
ces and 0050 0050
Sol utions Sol
utions
Ti re Pre ss. Moni torCur-
rentl yUnav ailabl e *T
her eis int erfere nce from apo we rful radio signal sourceAs are sult ,no sign alsfrom thetir epr essur esensor sar e
being receiv ed.The tirepr essur emonit oring system istemp orarily una vailable.
The tirepr essur emonit oring system will restar tau tomaticall yas soon asthecause hasbeen recti/ed. #
Drive on.
Tir ePres s.Moni torInope ra-
tive *T
hetirepr essur emoni toring system isma lfunct ioning . &
W W
ARNI NG ARNI
NGTher eis arisk ofan acciden tif th etir epr essur emonit oring system ismalfunctionin g
The tirepr essur emonit oring system canno tissue awa rning ifth er eis pressur eloss inone ormor eof thetir es.
Ti re swit hinsu1cie nttirepr essur ema yim pair thedr iving charact eristics aswellas steer ing and braking. #
Have thetir epr essur emonit oring system checkedat aqu ali/ed special istwo rkshop. Displ
aymessag esand warning/in dicatorlam ps
379 379

WW
ar ar
nin g/ind icat nin
g/ind icat orlam pP or
lam pP ossiblecauses/conseq ossible
causes/conseq uencesand uences
and0050 0050
Solut ions Solut
ions
ÿ
Coolant warning lamp(yel-
lo w) *T
he yello wcoolant warning lampis lit while theengine isrunning.
Po ssible causes:
R The temp eratur esensor ismalfunctionin g
R The charge air,tr ansmi ssionoilorbatt erycooli ngisfaulty
R The radiat orshutt ersar ebloc kedor def ectiv e #
Avoiding highloads ontheengine, drive to thenear estquali/ed special istwo rkshop.
00B9 Eng inediag nosiswa rning
lam p *T
he yello wChec kEngine warning lampis lit while theengine isrunning.
A ma lfunct ionhasocc urredin theengine, theex haus tsy stem orthefuel system.
The emission limitvalues maybe exceeded andtheengine maybe inemer gency mod e.
In som estat es, legalrequ irements stipulateth at youmust immediat elyconsult aqu ali/ed special istwo rkshop assoon
as theye llo wChec kEngine warning lamplights up. #
Have theve hicle checkedas soon aspossible ataqu ali/ed special istwo rkshop.
003D
Elect rical malfu nctionwarn-
ing lamp *T
heredelectr icalmalfuncti onwarning lampis lit.
Ther eis amalfunction intheelectr ics. #
Notethemessag eson theinstr ument display. Displa
ymessag esand warning/in dicatorlam ps
391 391

Dashca
m Dashca
m
No tes... .................................................. 234
Sel ecting aUS Bde vic e.... ......................2 34
St artin g/ stoppin gavid eo recor ding .......2 34
Dat Dat
aacq a
acq uisition uisition
Ve hicle ..................................................... 31
Dat Dat
apr ot a
pr otection r ection
rights ights
Dat astor ag e.<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F> 34
Dat Dat
ast a
stor or
ag e ag
e
Dat apr otection ri<0048004900550054000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F> 34
Elec tronic control <0056004F004A00550054000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F> ...........31
Online services........ <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F> ..............33
Ve hicle ...... ............................................... 31
Deact iv Deact
ivatin gt atin
gthe alar he
alar m(AT m
(ATA) A)
........................... 85
Deale r Deale
rship ship
see Quali /edspecial istwo rkshop
Declar Declar
ationofconf ation
ofconf or or
mity mity
Wi reless vehicle compone nts.<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F> 27
Deco r Deco
rativ ativ
ef e
foil (cleaning ins oil
(cleaning instr tr
uctio ns) uctio
ns)........... 268
De/ nition s De/
nition s(tir (tir
es and loading) es
and loading)<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F> 309
Des Destinatio
nentr y tinatio
nentr y
Ent ering aPOI oradd ress ..................... .. 229 De
t De
tecti nginat t ecti
nginat tent iv ent
ivene ss ene
ss
see ATTEN TIONASSIS T
Dia gnos Dia
gnostic sconne ction tics
conne ction<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F> ................. 27
Digi t Digi
tal Ope r al
Ope rat at
or's Manua l or's
Manua l.............. ................. 20
Dingh Dingh
yto y
to wing wing
see Tow- bar system
DIRECT SELECT lev DIRECT
SELECT lever er
Eng aging drive position.. ........................ 142
Eng aging neutral.... ................................ 141
Eng aging parkposition automaticall y...... 142
Eng aging reve rsege ar.. .......................... 141
Fu nctio n........... ..................................... 140
Selec tingparkpos ition.......... .................142
Dis pla Dis
play(c ar y
(c ar e) e)
.......... .................... .................270
Dis pla Dis
play(MBU Xmult imediasyst y
(MBU Xmult imediasystem) em)
Home screen.... ..................................... 213
Oper ating.. ............... ............................. 214
Displa Displa
y(on-boar y
(on-boar dcom d
com put put
er) er)
Displa yson theinst rument displa y......... 209
Disp la Disp
lay in t y
in the winds hield he
winds hield
see Head-up Display
Disp la Disp
lay mes sage y
mes sage
Call ingup(on-b oardcom put<00460053000A000F000F000F000F000F000F000F000F000F000F000F000F000F
000F> 337No
tes... ............ ...................................... 337
Di sp la Di
sp lay messag y
messag es es
ç ---mp h<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F> 363
h ---mp h<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F> 363
003D 12VBatt erySee Oper ator's
Manual <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F> 377
: ActiveHeadl ampsInop erativ e....... 344
é ATTEN TIONASSIS TIno per ative..... 362
é ATTEN TIONASSIS T:Take a
Br ea k!...... .............................................. 363
: Automatic Headlam pMode
Inoper ative............................................. 344
û BeforeSt artin gth eEngine, Turn
St eer ing Wheel ....................................... 348
0027 CheckBr ak eFluid Level................ 361
00BD CheckCoola ntLevelSee Oper -
at or's Manual. ........................................ 351
00B3 CheckEngine OilLevel(A dd 1
qu art)... .................................................3 84
: CheckLeT LowBeam (exa mp le)... 343 Inde
x
407 407

0077
CheckTire s<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F> 380
00B2 CheckWa sher Fluid... ...................3 49
ÿ Coolant TooHo tSt op Vehicle
Tu rn Engi neO... ...... .............................. 351
0025 Currentl yUna vailable SeeOper -
at or's Manual. ............ ............................ 372
00E5 Currentl yUna vailable SeeOper -
at or's Manual. ........................................ 373
Á Don't Forget Your Key<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F> 342
00B3 Engine OilLevelCanno tBe
Measur ed........ ......................................385
00B3 Engine OilLevelLo wStop Vehi-
cle Turn Engi neO... ...............................3 84
00B3 Engine OilPressur eSt op Switc h
O. Engin e....... ....................................... 385
00B3 EngineOil Reduce OilLevel........... 384
0075 Front LeT Malfu nction Service
Re quired (examp le)...... ..........................338
00D4 FuelLevelLo w... ...... ..................... 352
00D4 GasCap Loose ............................. 352 0025
Inoper ativeSee Oper ator's
Manual....... ...........................................3 73
00E5 Inoper ativeSee Oper ator's
Manual....... ...........................................374
007A Inoper ativeSee Oper ator's
Manual....... ...........................................375
0053 Inoper ative....... ..................... ....... 376
: Intell. Light System Inoper ative..... 345
Á KeyBe ing Ini tia lized Please Wait.... 342
Á KeyNo tDe tected (red displa y
messag e)...............................................3 42
Á KeyNo tDe tected (whit edispla y
messag e)...............................................3 41
0075 LeTSide Curtain Airbag Mal-
function Service Required (exa mp le).... ..338
ä Malfunction Drive at Max. 50
mp h<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F> 371
: Malfunctio nSee Oper ator ’s
Manua l................. .................................343
Á ObtainaNe wKe y<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F> 341ç
O.<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F> 364
00D9 O.<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F> 362
0049 Parking Brak eSee Oper ator's
Manual....... ...........................................3 57
0077 Please Correct Tire Press ure........ .381
0049 Please Release Parking Brak e...... ..360
Á Replace KeyBat tery <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F> 341
003D SeeOper ator's Manual<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F> 377
0075 SRSMalfunctio nSer vice
Re quired....... ......................................... 338
Ù Steer ing Malfunction Increased
Ph ysical E.or tSee Oper ator's Manual. ...347
Ù Steer ing Malfunction SeeOper -
at or's Manual .........................................3 47
Ù Steer ing Malfunction Stop
Immediat elySee Oper ator's Manual ....... 347
003D Stop Vehicle LeaveEngi neRun-
ning .......... .............................................379
003D Stop Vehicle SeeOper ator's
Man ual...................... ............................3 78 408408
Inde
x