2023 MERCEDES-BENZ A CLASS engine

DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons #
Switc ho. theve hicle. #
Add1.1 USqt(1l)of engin eoil (/ page261). #
Chec kth eengine oilleve l.
No teson eng ineoil(/ page331).
00B3
Engine OilPre ssu reStop
Swi tch OffEngine *T
heoilpressur 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 ectionto theoil leve lsensor hasbeen interrupted ortheoil leve lsensor isfaulty . #
Consult aqu ali/ ed spec ial ist wo rkshop. Displ
aymessag esand warning/in dicatorlam ps
385 385

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.
S S
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 387)
00E9 Seatbelt(/page387)
Ù Powe rst eer ing (/ page388)
ÿ V V
ehicles wit ehicles
withawidescr h
awidescr eencoc een
cockpit kpit
: :
coolant temp eratur e(/ page389)
00B9 Enginediagnost ics(/ page389)
003D Electricalmalfunction (/page389) 00D4
Reser vefuel with fuel /ller 0aploca -
tio nind icat or (/ page 389)
0049 USA:electr icpar king brak e(red)
(/ page393)
0024 Canada:electricpar king brak e(red)
(/ page393)
0024 Electricpar king brak e(yello w)
(/ page393)
00C6 USA:Recuper ativeBr ak eSy stem
(/ page393)
004D Canada:brak es (yello w)
(/ page393)
0027 USA:brak es (red) (/ page393)
004D Canada:brak es (red) (/ page393)
L Distance warning (/ page396)
Ó ActiveBr ak eAssi st(/ page396)
ê ActiveBr ak eAssi st(/ page396)
0025 ABS(/page397)
00E5 ESP®
(/ page397)
00BB ESP®
OFF (/page397) 386386
Disp
lay mes sagesand warning/in dicatorlam ps

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 #
Pull overand stop theve hicle safelyas soon aspossibl e,paying attent ion toroad and tra1c cond itions. Donot
cont inuedr ivi ng und eranycir cums tances . #
Cons ultaqu ali/ ed spec ial ist wo rkshop. #
Notethemessag eson theinstr ument display. Engi
ne Engi
ne WW
ar ar
nin g/i ndicat nin
g/i ndicat orlam pP or
lam pP ossiblecauses/conseq ossible
causes/conseq uencesand uences
and0050 0050
Solut ions Solut
ions
ÿ
Coolant warning lamp(red) *T
he redcoolant warning lampis lit while theengine isrunning.
Po ssible causes:
R The temp eratur esensor ismalfunctionin g
R The coolant leve lis toolow
R The airsuppl yto thera diat orisobstr ucted
R The radiat orfan is faulty
R The engine coolant pumpis faulty
If th er eis an additional warning tone, thecoolant temp eratur ehas exceeded themaximum permissible temp eratur e. Displa
ymessag esand warning/in dicatorlam ps
389 389

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 &
W W
ARNIN G ARNIN
GRisk ofbur nswhen openin gth ehood
If yo uopen thehood intheev ent ofan ove rheat edengine or/rein theengine compartment, thefo llo wing situations
ma yoccur :
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. #
Stop immediat elyin accor dance withth etra1c conditions andswitc ho. theve hicle. Donotcont inuedr ivi ng . #
Notethemessag eson theinstr ument display.
If t If
the coolan tt he
coolan ttem em
per per
atur atur
edispl a e
displ ay is at t y
is at the low he
lower end oft er
end ofthe t he
tem em
per per
atur atur
escale: e
scale: #
Con sult aquali/ed specialistwo rkshop.
If t If
the coolan tt he
coolan ttem em
per per
atur atur
edispla e
displa yis at t y
is at the upper endoft he
upper endofthe t he
tem em
per per
atur atur
escale: e
scale: #
Exit theve hicle andkeep asaf edist ance from ituntil theengine hascooled down. #
Chec kth ecoolant leve l(/ page262). #
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 dar ea. 390390
Displa
ymessag esand warning/in dicatorlam ps

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

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
00D4
Fu elreser vewarning lamp
0as hes *T
he yello wfuel reser vewarning lamplights upwhile youar edr iving.
Ther ehas been pressur eloss inthefuel system. Thefuel /ller capisno tclosed correctl yor thefuel system isleaking. #
Close thefuel /ller cap.
If th efuel /ller caphasalready been closed correctl y: #
Consult aqua li/ed specialist workshop.
00D4
Fu elreser vewarning lamp
lights up *T
he yello wfuel reser vewarning lamplights upwhile theengine isrunning.
The fuel supplyha sdr opp edintoth ere ser verang e. #
Refuel . 392392
Dis
playme ssag es and warning/in dicatorlam ps

AA
dap dap
tiv tiv
eHighbeam Assist e
Highbeam Assist
Ac tivating/dea ctivating <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F> 116
Fu nctio n........... ..................................... 115
A A
ddi tiv ddi
tives es
Engine oil........... ....................................331
Fu el..... .................................................. 331
A A
dditiv dditiv
es(engine oil) es
(engine oil)
see Additiv es
A A
dditiv dditiv
es(fuel) es
(fuel)
see Fuel
ATer ATer
-sales -sa
les ser ser
vice vice
see ASSYSTPL US
Air bag Air
bag
Re duced protection .................................. 45
Air conditioning menu Air
conditioning menu
Calling up..............................................1 25
Air dis Air
distr tr
ibution ibution
Se <00550055004A004F0048000F000F000F000F000F000F000F000F000F000F000F
000F> .......................................124
Se tting (MBUX multimedia system)..... ....125
Air inle t Air
inle t
see Air-water duct
Air pr Air
pressur e essur
e
see Tire pressur e Air
v Air
vents ents
Ad justing (front).....................................126
Ad justing (rea r)..... ................................. 127
Air v Air
vents ents
se eAir vents
Air Air
-co nditi oning syst -co
nditi oning system em
see Clim atecont rol
Air Air
-r -r
eci r eci
rcul atio nmod e(w it cul
atio nmod e(w ith h
/n e /n
e
par par
ticle ticl
epr pr
e/ lt e/
lter) er)
......... ................................. 126
Air Air
-w -w
at at
er duc t er
duc t
Ke eping free......... ................................. 264
Airbag Airbag
Activ<00420055004A0050004F000F000F000F000F000F000F000F000F000F000F000F
000F000F> <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F> 38
Fr ont airbag (driver ,fr ont passeng er)........ 43
Inst allation locations ................................ 43
Knee airbag... ........ .................................. 43
Ov ervie w.... .............................................. 43
PA SSENGE RAIR BA Gind icat or lamp s...... 47
Pr otection.... ............................................ 44
Side airbag....... ....................................... 43
Wi ndo wcur tain airbag .............................. 43
Air0 ow Air
0ow
Se tting .... ............................................... 124 Ala
rm Alar
m
see Panic alarm
Alar Alar
msyst m
system em
see ATA (anti-theT alarmsystem)
Al l-w heel dr Al
l-w heel drive iv
e
see 4MATIC
Amb ientlig htin g Amb
ientlig htin g
Se tting (MB UXmult imed iasystem) .........1 17
Andr Andr
oidA oid
Aut o ut
o
see Smar tphone integration
Animal s Animal
s
Pe ts intheve hicle .................................... 65
An ti-loc An
ti-loc kbr k
br aking syst aking
system em
see ABS(An ti-loc kBr aking System)
An ti-skid c An
ti-skid chains hains
see Snow chains
Ant i-t Ant
i-theT heT
prot pr
otection ection
Immobilizer.. .......... .................................. 84
An ti-t An
ti-theT heT
prot pr
otection ection
see ATA (anti-theT alarmsystem)
An ticipat An
ticipat or or
yoccup antprot y
occu pantpr otection ection
see PRE-S AFE®
(anticipat oryoccu-
pant protection) 402402
Inde
x

see
PRE-S AFE ®
PL US (anti cipat ory
occupan tpr otection plus)
Apple CarPla y Apple
CarPla y® ®
see Smar tphone integration
Assi st Assi
stance syst ance
systems ems
see Driving safetysy stem
ASS YS ASS
YSTPL T
PL US US
Batt erydis conne ctionper iods................ 258
Disp laying theser vice duedate.............. 257
Fu nctio n/no tes... ................................... 257
Re gula rmai ntenanc ewo rk<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F> 257
Specia lser vice requ irements ................. 257
AT AT
A A
(ant i-t (a
nt i-the T heT
alar ala
rm syst m
system) em)
Ac tivating/dea ctivating theint erior
mo tion sensor.. ........................................ 86
Ar ming/disar mingtheto w- awa yalar m..... 86
Deac tivating thealar m....... ...................... 85
Fu nctio n.......... ........................................ 84
Int erior motion sens orfuncti on...... .......... 86
The tow- awa yalar mfunct ion.................... 85
A A
TT ENTI ONASSIS T TT
ENTI ONASSIS T
Fu nctio n.......... ...................................... 161
Se tting .......... .......... ...............................163
Sy stem limit ations... ...............................161 A A
tt tt
ention assist ention
assistant ant
see ATTEN TIONASSIS T
A A
ut ut
ho r ho
rized Mer ized
Mercedes-Benz Cent ced
es-Benz Center er
see Quali/ed spe cialist workshop
A A
ut ut
hor hor
izedw ize
dwor k or
kshop shop
see Quali /edspecial istwo rkshop
A A
ut ut
omati ccar w omati
ccar wash mode ash
mode
Ac tivating <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F> 266
A A
ut ut
oma ticdist oma
ticdist ance contr ance
control ol
see ActiveDist ance AssistDIS TRONI C
A A
ut ut
oma ticdr oma
ticdriving lights iving
lights<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F> 113
A A
ut ut
oma ticengine st oma
ticengine star t ar
t
see ECOstar t/st opfunction
A A
ut ut
oma ticengine st oma
ticengine stop op
see ECOstar t/st opfunction
A A
ut ut
oma ticfr oma
ticfront passeng ont
passeng erairb ag er
airb agshu t shu
to. o.
Fu nctio nof thefront passeng erairbag
shut o.... .................................................. 46
PA SSENGE RAIR BA Gind icat or lamp s...... 47
A A
ut ut
om atic me asur om
atic me asures es
aTer aT
er an accide nt an
accide nt... ......... 51
A A
ut ut
om atic mi rr omatic
mirror f or
folding function olding
function
Ac tivating/dea ctivating <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F> 123A A
ut ut
oma tictr oma
tictransm ission ansm
ission
DIRE CTSELECT leve r..... ........................ 140
Dr ive pr og rams. .....................................1 38
DY NAMI CSEL ECTsw itch...... ................. 138
Eng aging drive po sitio n... ....................... 142
Eng aging reve rsege ar.. .......................... 141
Kic kdo wn...............................................1 44
Manual gearshiTing ................................ 143
Se lect ingparkposit ion........................... 142
St eer ing wheel paddle shiTers....... ......... 143
Tr ansmi ssionpositiondispl ay<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F> 140
Tr ansmi ssionpositions.<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F> 140
A A
ut ut
oma tictr oma
tictransm ission (pr ansm
ission (problem) oblem
)
see Transmi ssion(problem ) BB
Bac Bac
kseat k
seat
see Seats
B B
AS (Br AS
(Brak ak
eAssis e
Assis tSy st t
Sy stem) em)
........................... 157
Bat t Bat
ter er
y(Smar y
(Smar tKe tK
ey) y)
Re placing.. ........ ....................................... 68
Batt Batt
er er
y(v y
(v ehicle) ehicle)
Char ging (Remo teOnlin e)..... .................1 30
No tes... .................................................. 280 In
de x
403 40
3