2023 MERCEDES-BENZ A CLASS ECU

1
0025 ABS →
397
2 003E003D Turn sign allights →
113
3 0077 Tire pressur emonit oring system →
399
4 003D Electricalmalfuncti on →
389
5 L Distance warning →
396
6 00C6 Recuper ativeBr ak eSy stem, USAonl y →
393
004D Brak es (yello w), Canada only →
393
7 Brak es (red) →
393
0027 USAonl y
004D Canada only
8 0024 Electricpar king brak e(yello w) →
393
9 Electr icpar king brak e(red) →
393
0049 USAonl y
0024 Canada only A
00B9 CheckEng ine →
389
B 005E Rear foglam p →
113
C 0057 Highbeam →
113
0058 Lowbea m →
112
0060 Parking lamps →
112
D 00BB ESP®
OFF →
397
00E5 ESP®
→
397
E 0075 Restr aint system →
387
F Fuelleve l →
206
G 00D4 Reser vefuel with fuel /ller 0aploca tio n
ind icat or →
389
H Ù Powe rst eer ing →
388
I 00E9 Seatbelt →
387 At
aglan ce–Indi catorand warning lamps(standar d)
11 11

1
003E003D Turn sign allights →
113
2 0075 Restr aint system →
387
3 00BB ESP®
OF F →
397
00E5 ESP®
→
397
4 005E Rear foglam p →
113
5 0057 Highbeam →
113
0058 Lowbea m →
112
0060 Parking lamps →
112
6 ÿ Coolant temp eratur e →
389
7 Coolant temp eratur edispla y →
206
8 0024 Electricpar king brak e(yello w) →
393
9 00C6 Recuper ativeBr ak eSy stem, USAonl y →
393
004D Brak es (yello w), Canada only →
393
A 003D Electricalmalfu nction →
389
B L Distance warning →
396 C
0025 ABS →
397
D Ù Powe rst eer ing →
388
E 0077 Tire pressur emonit oring system →
399
F 00B6 Reser vefuel with fuel /ller 0aploca tio n
ind icat or →
389
G Fuelleve l →
206
H Electr icpar king brak e(red) →
393
0049 USAonl y
0024 Canada only
I Brak es (red) →
393
0027 USAonl y
004D Canada only
J 00E9 Seatbelt →
387
K 00B9 CheckEngine →
389
L ä Indicat orlam pinoper ative At
aglan ce–Indi catorand warning lamps(Widescr eenCockpit)
13 13

&
W W
ARNI NG ARNI
NGRisk ofaccid ent due toobjects
in thedr iver's foot we ll
Objects inthedr iver's foot we llma yim pede
pedal trav el or bloc kadepr essed pedal.
This jeopar dizestheoper ating androad safety
of theve hicle. #
Stow allobj ects intheve hicle secur ely
so that they canno tget intoth edr iver's
fo ot we ll. #
Alwaysins tallth e0oor mats securely
and asprescr ibed inorder toensur eth at
th er eis alw ayssu1cie ntroom forth e
pedals. #
Donotuse loose 0oormats anddonot
place 0oormats ontopof one another. *
N NO O
TE TE
Batt erydisc harging from using devi-
ces connect edtothediagnost icsconnec-
tion Using
devices atthediagnost icsconnection
dr ains thebatt ery. #
Chec kth ech arge leve lof thebatt ery. #
Ifth ech arge leve lis low, charge thebat-
te ry,e.g .by driving aconsider abledis-
ta nce. Plea
sealsono te theinf ormation aboutthe12 V
batt eryand shor t-distance trips inthe"Dr iving
and Parking" chap ter(/ page132). Connecting
andusing another device withth e
diagnos ticsconnection canhave thefo llo wing
e.ect s:
R Malfunctions intheve hicle system
R Perm anen tdamag eto vehicle compone nts
Ple ase referto thewa rrant yte rm sand cond itions
fo rth is matt er.
Mor eover,conn ectingeq uipmen tto thediagnos-
tics connection canlead toemissions monitoring
inf ormation beingrese t,forex am ple. This may
lead totheve hicle failing tomee tth ere qu ire-
ments ofthene xt emissions inspection during the
main inspecti on. Quali/edQuali/ed
specialis specialis
tw t
w or k or
kshop shop
An author ized Mercedes-Be nzCent erisaqu ali-
/ed special istwo rkshop. Ithas thenecessar y
special skills,tools and quali/cations tocor rectl y
car ryout thewo rkrequ ired on your vehicle. This
par ticu larlyappli estosaf ety-re leva nt wo rks. 2828
Gene
ralno tes

LimitLimit
edW ed
War r ar
ranty anty
* NO NO
TE TE
Dama getotheve hicle arisin gfrom
vio lati on ofthese oper ating instruction s. Damag
eto theve hicle canarise from violati on
of these oper ating instruction s.
This damag eis no tco veredeit her bythe
Mer cedes-Be nzimplie dwa rrant yor by the
Ne w‑ orUsed- Vehicle Warrant y. #
Followtheinst ruction sin these oper at-
ing inst ruction son proper operation of
yo ur vehicle aswellas on possible vehi-
cle damag e. QR
code f QR
code for r or
rescue card escue
card
QR codes areatt ached inthefuel /ller 0apand on
th eopposit eside ontheB-pillar .In theev ent of
an accident, rescue service scan usetheQR code
to quickl y/n dth eappr opriatere scue cardfo r
yo ur vehicle. Thecurrent rescue cardcont ains the
most impor tant informa tion aboutyour vehicle in
a com pact form ,e.g .th ero uting oftheelectr ic
lines. Fu
rther informatio ncan beobt aine dat http s://
www .mercedes- benz.de/ qr-code . DatDat
ast a
stor or
ag e ag
e DatDat
apr a
pr ocessin gin t ocessin
gin the v he
vehicle ehicle
Elect
r Elect
roni ccont r oni
ccont rol uni ts ol
uni ts
Elect ronic cont rolunits areinst alled inyour vehi-
cle. Control uni tsprocess datawhic h,forex am-
ple, they receiv efrom vehicle senso rs,ge ner ate
th emsel vesor exch ang ebe tween themsel ves.
Som econt rolunits arere qu ired forth esaf eoper -
ation ofyour vehicle, some assistyo uwhen driv-
ing, suchas driver assist ancesystems, while oth-
er senab lecon venienc eor infotainm entfunct ions.
The follo wing prov ides youwit hge ner alinf orma -
tion rega rding datapr ocess ingintheve hicle.
Ad ditional information rega rding exactl ywhic h
dat ain your vehicle arecolle cted, savedand
tr ansmitt edtothird par ties, andforwhat purpose,
can befound intheinf ormation directl yre lat ed to
th efunction alch aract eristics inqu estion intheir
re specti veOper ator's Manual. Thisinformation is
also availabl eonl ine and, depen dingon theve hi-
cle equipme nt,dig itall y. P P
er er
sonal data sonal
data
Ev eryve hicle isidenti/ed byauni queve hicle
identi/cation number.Depen dingon thecountr y,
th is vehicle identi/cation numbercan beused by,
fo rex am ple, government alaut hor ities todeter-
mine theidentity oftheow ner .Ther ear eot her
possibi lities touse datacollect edfrom theve hicle
to identify theow ner ordriver ,suc has thelicense
plat enumber .
Ther efor e, dat age ner ated orproce ssed bycont rol
units maybe attr ibut able toaper son or,und er
cer tain conditions, becomeattribut able toaper -
son. Depe nding on whic hve hicle dataar eav aila-
ble, itma ybe possibl eto mak einf erences about,
fo rex am ple, your driving behavior,yo ur location,
yo ur routeor your use patterns.
Leg Leg
alr al
req eq
uir uir
ements r ements
reg eg
ar ar
ding t ding
the disclos ur he
disclos ureof e
of
dat a dat
a
If leg allyre qu ired todo so, manuf acturersar e, in
indivi dualcases, legallyoblig edtoprov ide govern-
ment alenti ties, upon requ est and totheex tent
re qu ired, datastor ed bythemanuf acturer.Fo r
ex am ple, this ma ybe thecase during theinve sti -
ga tion ofacr imina lo.e nse. Gener
alno tes
31 31

Go
vernment alenti ties areth emsel ves, in ind ivid-
ual cases andwithin theapplicable legalframe-
wo rk,aut hor izedto read out datafrom theve hi-
cle. Inthecase ofan accident, information that
can help withan inve sti gation can, ther efor e, be
ta ke nfrom theairbag controlunit, forex am ple.
Oper Oper
ationaldat atio
naldatain t a
in the v he
vehicle ehicle
This isdat are ga rding theoper ation oftheve hicle,
whic hha ve been processed bycont rolunits.
This includes thefo llo wing data,forex am ple:
R Vehicle status informatio nsuc has thespeed,
longitudin alacceler ation,lateral acceler ation,
number ofwheel revo lutions orthefa stene d
se at belts di sp lay
R Ambient cond itio ns ,su ch astemp eratur e,rain
sensor ordist ance sensor
Gener ally,theuse ofthese datais temp orary;
th ey will notbe stor ed beyond theper iod ofoper -
ation andwillonlybe processed within theve hicle
itse lf. Con trol uni tsoTen containdatamemor ies
fo rve hicle keys,fo rex am ple. Theiruse permits
th ete mp oraryor per manent document ationof
te ch nica linf orma tion abouttheve hicle' soper at- ing
stat e, com pone ntloads, maintenanc ere qu ire-
ments andtech nica leve nts orma lfunct ions.
Dep ending ontheve hicle equipmen t,thefo llo w-
ing dataar estor ed:
R Oper ating status ofsystem com ponents, such
as /ll leve ls, tirepr essur eor batt eryst atus
R Malfunctions orfaults inimpor tant system
com pone nts,suchas ligh tsor brak es
R System reactio nsinspecial drivi ng situ atio ns,
suc has airbag deployment ortheint erve ntion
of stabi lity cont rolsy stems
R Information onevents leading tovehicle dam-
ag e
In cer tain cases ,it ma ybe requ ired tostor eda ta
th at wo uld have other wise been usedonlyte mp o-
ra rily .This maybe thecase ifth eve hicle has
de tected amalfu nction, forex am ple.
If yo uuse services, suchas repair services and
maint enance work,st or ed oper ation aldat aas
we llas theve hicle identi/cation numbercan be
re ad out and used. Theycan beread out by
ser vice networkem ployees, suchas workshops
and manu factur ersor third par ties, suchas break - do
wn services. Thesame istrue inthecase of
wa rrant yclaims andqualit yassur ance measur es.
In gener al,there adout isper form ed via theleg ally
pr escr ibed portfo rth ediagnost icsconnection in
th eve hicle. Theoper ation aldat ath at arere ad out
docume nttech nica lst at es oftheve hicle orof
ind ividual compone ntsand assis tin thediagnosis
of malfunctions, compliance withwa rrant yobli ga-
tions andqualit yim prov ement. Tothat end ,th ese
dat a,in par ticular information aboutcomponent
loads, tech nica leve nts, malfunct ionsandother
fa ults maybe transmitt edalong withth eve hicle
identi/cation numbertothemanuf acturer.Fu r-
th er mor e,themanuf acturerissubject toproduct
liability .Fo rth is reason themanuf actureralso
uses operational datafrom theve hicle, forex am-
ple, forre calls. These datacan also beused to
ex amin eth ecust omer's warrant yand guar antee
claims.
Fa ult memor iesintheve hicle canberese tby a
ser vice outletor atyour requ est aspar tof repair
or maint enance work. 3232
Gener
alno tes

ManufManuf
actur ac
tur er's ser er's
service s vice
s
Re garding themanuf acturer'sonline services, the
individual functionsaredescr ibedbythemanu-
fa ctur erinasuit able place, forex am ple, inthe
Oper ator's Manual oron themanuf acturer'sweb-
sit e, wher eth ere leva nt dat apr otection informa-
tion isalso given. Personal datama ybe used for
th epr ov ision ofonline services. Dataar e
ex ch ang edvia asecur econn ection, suchas the
manuf acturer'sdesign ated ITsystems. Anyper -
sonal datawhic har ecollect ed,processed and
used, other than forth epr ov ision ofser vices, is
done soexclusiv elyon thebasis ofleg alper mis-
sion. Thisisthecase, forex am ple, fora leg ally
pr escr ibed emer gency callsy stem, acont ractual
ag reement orwhen consent hasbeen given.
Yo ucan have ser vice sand funct ions,some of
whic har esubj ecttoafe e, activ ated ordeactiv a-
te d. This excludes legallypr escr ibed function sand
ser vices, suchas an emer gency callsy stem.
Thir Thir
dpar d
par tyser ty
ser vice s vice
s
If yo uuse online services from other prov ider s
(t hir dpar ties), these services areth ere sponsi bil-
ity ofthepr ov ider inqu estion andsubject tothat
pr ov ider's datapr otection conditions andterm sof use.
Asage ner alrule, themanuf acturerhas no
in0 uence onthecont entexch ang ed.
Fo rth is reason, whenservice sar epr ov ided by
th ird par ties, please asktheser vice prov ider in
qu estion forinf ormation aboutthetype, extent
and purpos eof thecollection anduseofper sonal
dat a. DatDat
apr ot a
pr otection r ection
rights ights
Depending
onyour countr yor theeq uipment and
ra ng eof functi onsofyour vehicle aswellas the
ser vice syo uuse and theser vices ono.er ,yo u
ar eent itled todi.er entdatapr otection rights .
Fu rther informatio non dat apr otection andyour
dat apr otection rights caneit her befound onthe
manuf acturer'swebsit eor youwill receiv eth is
inf ormation aspar tof theva rious services and
ser vice o.er s.Ther eyo uwill also /ndth econt act
inf ormation forth emanuf acturerand itsdat apr o-
te ction o1cer s.
At awo rkshop, forex am ple, withth esuppor tof a
specialist andpossibl yfo ra fe e, youcan have
dat are ad out whic his stor ed onlylocall yin the
ve hicle. MB
UX mult imedi asy st MB
UX mult imedi asy stem/ Mer em/
Mercedes meconn ect cedes
meconn ect If
th eve hicle iseq uipp edwithth eMBUX multime-
dia system orMer cedes meconnect, additional
dat aabout theve hicle' soper ation ,th euse ofthe
ve hicle incer tain situations, andthelocation of
th eve hicle maybe com piledby theMBUX multi-
media system orMer cedes meconnect.
Fo radditional information, pleasereferto the
"MB UXmulti media system" section and/orthe
Mer cedesme conne ctTerm sand Conditions. EvEv
ent dat ent
datar a
recor ecor
ders der
s USUS
Aonl y A
onl y: :
This vehicle iseq uipp edwithan eve ntdat a
re cor der (EDR). Themain purpose ofan EDR isto
re cor d,incer tain crash ornear crash-lik esitua-
tions, suchas an airbag deployment orhitting a
ro ad obs tacle, datath at will assis tin und erstand-
ing howave hicle' ssy stems perform ed. The EDR
is designed torecor ddat are lat ed tovehicle
dynami csand safetysy stem sfo ra shor tper iod of
time, typicall y30 seconds orless. 3434
Gener
alno tes

RR
es estr tr
aint syst aint
system em
Pr
ot Pr
otection pro ection
provided b vided
by t y
the r he
res estr tr
aint syst aint
system em
The
restr aint system include sth efo llo wing com-
ponents:
R Seat beltsystem
R Airbags
R Child restr aint system
R Child se at secu ring systems
The restr aint system canhe lppreve nttheve hicle
occupan tsfrom comin gint ocont actwith partsof
th eve hicle interior intheev ent ofan accident. In
th eev ent ofan accident, there str aint system can
al so reduce thefo rc es towhic hth eve hicle occu-
pant sar esubj ected.
A seat beltcanonlypr ov ide thebest leve lof pro-
te ction ifit is wo rncor rectl y.Depending onthe
de tected acciden tsituat ion,Emer gency Tensio n-
ing Device sand/o rair bag ssup plem entthepr o-
te ction o.eredbyacor rectl ywo rnseat belt.
Emer gency Tensio ning Device sand/o rair bag s
ar eno tdep loye din everyaccident. In
order forth ere str aint system toprov ide the
int ended leve lof protection, eachve hicle occu-
pant mustobser vethefo llo wing information:
R Fasten seat belts co rrectl y.
R Sitinan almo stup right seatpos ition withth eir
bac kag ainst theseat backrest.
R Sitwithth eir feet resti ng on the0oor ,if possi-
ble.
R Alwayssecur eper sons under5T (1.5 0m) tall
in an additional restr aint system suitab lefor
Mercede s-Benzvehicles.
Ho wever,no system availabl eto da ycan com-
ple tely eliminat einjur iesand fata lities inevery
accident situation. Inpar ticular ,th eseat beltand
airbag gener allydo notpr otect against objects
pene trating theve hicle from theoutside. Itis also
no tpossible tocom pletely rule out therisk of
inj urycaused bytheairbag deploying. LimitLimit
ations oft ations
ofthe prot he
protection pro ection
provided b vided
by t y
the he
r r
es estr tr
aint syst aint
system em
&
W W
ARNIN G ARNIN
GRisk ofinjur yor deat hdue to
modi/cation sto there str aint system
Ve hicle occupan tsma yno longerbe protect ed
as intended ifalt erations aremade tothe
re str aint system . #
Neveralt er thepar tsof there str aint sys-
te m. #
Neverta mp erwit hth ewir ing oranyelec-
tr onic component partsor their soT-
wa re. If
it is nec essar yto modify theve hicle toaccom-
modat eaper son withdisabi lities, cont actan
aut hor izedMer cedes- BenzCen terfo rde tails.
US Aonl y:forde tails, cont actour Cust omer Assis-
ta nce Cent eron 1-800 -FOR -MER Cedes
(1‑ 800‑3 67‑63 72). Occ
upantsafety
37 37

In
order forth ecor rectl ywo rnseat belttoprov ide
th eint ended leve lof protection, eachve hicle
occupan tmus tobser vethefo llo wing information:
R The seat beltmust notbe twist edand must /t
tightl yand snugl yacr oss thebody .
R The seat beltmust berouted acr oss thecen-
te rof theshoulder andaslow do wn across
th ehips aspossible.
R The shoulder sectionoftheseat beltshould
no tto uc hyo ur nec knor berouted under your
ar m or behind your bac k.
R Avoid wearing bulky clothing, e.g. awint er
coat.
R Push thelap belt down asfaras possible
acr oss your hips andpulltight withth eshoul-
der section ofthebelt. Neverro uteth elap
belt across your abdomen.
Pr egnant women must alsotake par ticular
car ewit hth is.
R Neverro uteth eseat beltacross shar p,poin-
te d, abr asiv eor fragile objects.
R Onlyone person should useeachseat beltat
an yone time. R
Neversecur eobjects withaseat beltifth e
seat beltisalso beingused byone oftheve hi-
cle's occupan ts.
Also ensurethat no objects, e.g.a cushion ,
ar eev er placed between aper son and the
seat.
The seat beltson thefo llo wing seats areeq uipped
wit hach ild seat safetyfe atur e:
R Front passeng erseat
R Rear seats
Ac tivateor dea ctivateth ech ild seat safetyfe atur e
of theseat belt(/page56).
If ch ildr enaretrav eling intheve hicle, besureto
obser vetheinst ruction sand safetyno teson
"Child renin theve hicle" (/page52) .
Alw aysobser vetheinst ruction sfo rloading the
ve hicle when securingobjects, luggage orloads
(/ page100) . LimitLimit
ations oft ations
ofthe prot he
protection pro ection
provided b vided
by t y
the seat he
seat
belt belt
&
W W
ARNIN G ARNIN
GRisk ofinjur yor deat hdue to
an inco rrect seat position
The seat beltdoes noto.er theint ended leve l
of protection ifyo uha ve notmo vedth eseat
bac krest toan almos tve rtical position.
In par ticular ,yo ucould slipbeneat hth eseat-
belt andbecome injured. #
Adjust theseat proper lybef orebegin-
ning your jour ney. #
Alwaysensu rethat theseat backrest is
in an almost vertical position andthat
th eshoulder beltisrouted acr oss the
cent erofyour shoulder . &
W W
ARNIN G ARNIN
GRisk ofinjur yor deat hwhen
additional restr aint system sare notus ed
fo rper sons withasmaller statur e
Pe rsons under 5T (1.50 m)ta llcanno twe ar
th eseat beltcorrectl ywit hout asuit able addi-
tion alrestr aint system . 4040
Oc
cupa nt safety