ECU MERCEDES-BENZ A CLASS 2023 Manual Online

Max
imumloa don one tir Max
imumloa don one tire: e:
ma xim um loadon one
tir e. This isca lcu lated bydividin gth emaximum
axle load ofone axle bytwo.
PSI (pounds persq PSI
(pounds persquar uar
einc e
inc h): h)
:st anda rdunit of
measur ementfortir epr essur e.
Aspect r Aspect
ratio: atio:
ratio between tireheigh tand tire
widt hin per cent.
T T
ir ir
e pr e
pr ess ur ess
ure: e:
press ureinsid eth etir eappl ying an
outw ardfo rc eto everysq uar einc hof thetir e. The
tir epr essur eis speci/ed inpounds persquar e
inc h(psi), inkilopasc als(kPa)or inbar .The tire
pr essur eshould onlybe cor rected when thetir es
ar ecold.
Cold tir Cold
tirepr e
pr essur essur
e: e:
thetir es arecold when the
ve hicle hasbeen parkedfo rat least 3hour swit h-
out direct sunlight onthetir es ortheve hicle has
been driven forless than 1mile (1.6km).
T T
ir ir
e cont e
cont actsurf act
surface: ace:
thepar tof thetir eth at
comes intocont actwithth ero ad.
T T
ir ir
e bead: e
bead: thepur pose ofthetir ebead isto
ensur eth at thetir esits secur elyon thewheel rim.
Ther ear ese veralwir ecor esinthetir ebead to
pr ev ent thetir efrom chang inglengthon the
wheel rim. Side
w Side
wall: all:
thepar tof thetir ebe tween thetread
and thetir ebead.
W W
eight ofop eight
ofoptional eq tional
equipment: uipment:
thecombined
we ight oftheop tional equipment weighing more
th an there placed standar dpar tsand moreth an
5 lbs (2.3 kg).This optio nal equipm ent,suc has
high- perform ance brak es, leve lcontrol system, a
ro of lugg agera ck orhigh-per form ance batteries,
is no tincl uded inthecurb weight andthewe ight
of theaccess ories.
TIN (T TIN
(Tir ir
e e
Ident i/cation Ident
i/cationNumber): Number):
auniq ueident i/-
cat ion number whichcan beused byatir emanu -
fa ctur ertoidentify tires, forex am ple, inapr oduct
re call, andthus identify thepur chaser s.The TINis
made upofthemanuf acturer'sidentity code,tire
size, tiretype code andthemanuf acturingdate.
Load-bear Load-bear
inginde ing
inde x: x:
theload-bear inginde xis a
code that cont ains themaximum load-bearing
capac ityofatir e.
Tr Tr
actio n: actio
n:tractio nis thegr ip result ing from fricti on
be tween thetir es and thero ad sur face.
W W
ear indicat ear
indicator: or
:nar row bar s(tr ead wearbar s)that
ar edis tribut edove rth etir econt actsurface. Ifth e tir
etread isleve lwit hth ebar s,thewe arlimi tof
1/1 6in (1.6 mm) hasbeen reac hed.
Dis Dis
tr tr
ibut ionofv ibut
ionofvehicle occupan ts: ehicle
occupan ts:distribut ionof
ve hicle occupan tsover designat edseat positions
in ave hicle.
Maxim umper Maxim
umpermissib lepa y missib
lepa yload w load
weig ht: eig
ht: nomi nal
load andluggage load plus150lb(68 kg)multi-
plied bythenumber ofseats intheve hicle. Chang
ingawheel Chang
ingawheel NNo o
t t
es on select ing,ins t es
on select ing,ins tallin gand r allin
gand replaci ngtir eplaci
ngtires es
*
N NO O
TE TE
Mer cedes- AMGve hicles #
Obser vetheno tesin theSupplement.
Yo ucould other wise failto recogn ize
dang ers. &
W W
AR NIN G AR
NIN GRisk ofacciden tdue toincor -
re ct wheel andtiredimen sions
If wheels andtires ofthewr ong size areins tal-
led, theser vice brak es orcom ponents inthe Wheels
andtires
311 311

#
Tight enthewheel boltsevenl yin adiagonal
patt ernin theor der indicat ed1 to5 with
an initial maximum forc eof 59 lb-T (80Nm). #
Tight enthewheel boltsevenl yin adiagonal
patt ernin theor der indicat ed1 to5 with
th especi/ed tightening torq ue of96 lb-T
(1 30 Nm) . &
W W
AR NIN G AR
NIN GRisk ofacc iden tdu eto incor -
re ct tightenin gto rq ue
Th ewheels couldcome looseifth ewheel
bolts orwheel nutsareno ttight ened tothe
pr escr ibed torq ue . #
Ensur eth at thewheel boltsorwheel
nuts aretight ened tothepr escr ibed
tight ening torq ue . #
Ifyo uar eno tsur e,do notmo vetheve hi-
cle. Contact aqu ali/ed special istwo rk-
shop andhave thetight ening torq ue
ch eckedimmediat ely. #
Chec kth etir epr essur eof thene wly installed
wheel andadjust itifnecessar y. %
The follo wing does notappl yif th ene wwheel
is an emer gency sparewheel. #
V V
ehicle swit ehicle
swit htir h
tir epr e
pr essur essur
eloss w e
loss war ar
nin gsy nin
gsy s- s-
t t
em: em:
Restar tth etir epr essur eloss warning
sy stem (/ page299). #
V V
ehicles wit ehicles
withatir h
atir epr e
pr essur essur
emonit e
monit or or
ing sy ing
sys- s-
t t
em: em:
Restar tth etir epr essur emonit oring sys-
te m (/ page298). Emer
g Emer
gency spar ency
sparewheel e
wheel NNo o
t t
es on t es
on the emer g he
emer gency spar ency
sparewheel e
wheel &
W W
ARNIN G ARNIN
GRisk ofaccident causedby
incor rect wheel andtiredimen sions
The wheel ortiresizes andthetir etype ofthe
emer gency sparewheel orspar ewheel and
th ewheel tobe replaced maydi.er .The emer -
ge ncy sparewheel orspar ewheel cansigni/-
cantl yim pair drivi ng charact eristics ofthe
ve hicle.
To prev ent hazar dous situations: #
Drive car efull y. #
Neverinst allmor eth an one emer gency
spa rewheel orspar ewheel that di.er s
in size . #
Onlyuse anemer gency sparewheel or
spar ewheel brie0y . #
Donotdeacti vate ESP ®
. #
Have theemer gency sparewheel or
spar ewheel ofadi.er entsize replaced
at thenear estquali/ed special istwo rk-
shop. Thenewwheel mustha ve thecor -
re ct dimen sions. %
The emer gency sparewheel issecur edinthe
emer gency sparewheel baginthetrunk .
Obser vethefo llo wing noteson remo vingan emer -
ge ncy sparewheel:
R Beforestow ing theemer gency sparewheel,
mak esur eth er eis no airleT inthetir e.
If necessar y,allo wtheair toescape.
R T T
o r o
release airfr elease
airfrom t om
the tir he
tire: e:
remo vetheva lve
cap ofthetir e.
R Press down theme talinser tin theva lve using
a point edobject, e.g.apen. Wheels
andtires
321 321

Inf
ormati onlabel (exa mp le–Canada)
1 Hazar dand service warning symbo ls
2 Refrig er ant /llin gca pa city
3 Applicab lestand ards
4 PAGoil par tnumber
5 GWP(gl oba lwa rming potential )of there frig er -
ant used
6 Refrig er ant type
Sym bols1 indicat eth efo llo wing:
R Possible dangers
R The needto have ser vice workcar ried out ata
qu ali/ed special istwo rkshop only F F
illi ng capacit yf illi
ng capacit yfor r or
ref r ef
rig ig
er er
ant and PA ant
and PAGoil G
oil
R R
efr efr
ig ig
er er
ant ant
/lling /lling
capacity capacity
ModelModel
All models 20.8±0.4 oz
(590 ±10 g) FF
illin gcapacity f illin
gcapacity for PA or
PAGoil G
oil ModelModel
All models 2.8±0.4 oz
(80 ±10 g) VV
ehicle data ehicle
data VV
ehicle dimensio ns ehicle
dimensio ns The
heights speci/ed mayva ry as are sult ofthe
fo llo wing fact or s:
R Tire s
R Load
R Condition ofthesuspension
R Optional equipment V V
ehicle dimensions ehicle
dimensions All
models All
models
Ve hicle length1 79.1in(4549 mm)
Ve hicle widthincl udin g
out side mirrors 78.4
in(1992 mm)
Wheelbas e1 07.4in(2729 mm)
US US
Aonl y: A
onl y:tur ning
ra dius 36.1
T(11.0 m) VV
ehicle height ehicle
height Model
V Model
Vehicle height ehicle
height
Canada only: Canada
only:A220
4MA TIC 56.5
in(14 34mm)
All other model s5 7.1in(1451 mm) WW
eights andloads eights
andloads Bear
inmind that items ofoptio nal equipm ent
incr ease thecurb weight andreduce thepa yload. Te
ch nica ldat a
335 335

Occupant
safe Occupant
safety ty
DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Solut ions Solut
ions
0075
SRS Malfunction Service
Req uired *T
herestr aint system isma lfunc tion ing (/ page 38). &
W W
ARNIN G ARNIN
GRisk ofinjur ydue tomalfun ctionsinthere str aint system
Co mp onent sin there str aint system maybe acti vatedunint ention allyor notdeplo yas planned inan accident. #
Have there str aint system checkedand repair edimmediat elyat aqu ali/ed special istwo rkshop. 0075
Front LeftMalfunction
Servi ceRequire d(exa mp le) *T
hecor respond ingrestr aint system isma lfunc tion ing (/ page 38). &
W W
ARNIN G ARNIN
GRisk ofinjur ydue tomalfun ctionsinthere str aint system
Co mp onent sin there str aint system maybe acti vatedunint ention allyor notdeplo yas planned inan accident. #
Have there str aint system checkedand repair edimmediat elyat aqu ali/ed special istwo rkshop. 0075
Left SideCu rtai nAirb ag
Ma lfunction Service
Re quire d(exa mp le) *T
hecor respond ingrestr aint system isma lfunc tion ing (/ page 38). &
W W
ARNIN G ARNIN
GRisk ofinjur yor fata linjur ydue toamalf unct ioninthewindo wcur tain airbag
The windo wcur tain airbag mightbetrigg ered unint entionall yor might notbe trigg ered atall intheev ent ofan
accident. #
Have thewindo wcur tain airbag checkedand repair edimmediat elyat aqu ali/ed special istwo rkshop. 338338
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
The system mayde tect obje ctsorforc es that areaddin gto thewe ight applied totheseat. &
W W
ARNIN G ARNIN
GRisk ofinjur yor deat hwhen usingach ild restr aint system while th efront passeng erairbag isena-
bled
If yo usecur each ild inach ild restr aint system onthefront passeng erseat andthefront passeng erairbag isena-
bled, thefront passeng erairbag candeplo yin theev ent ofan accident.
The child could bestruckby theairbag. #
Ensur e,bo th bef oreand during thejour ney,that thestatus ofthefront passeng erairbag iscor rect.
NEVER useare ar wa rdfacing child restr aint on ase at pro tected byan ACTIV EAIRBA Gin front ofit,DEA THor
SERIO USINJUR Yto theCHILD canoccur . #
Stop theve hicle immed iatelyin accor dance withth etra1c conditions. #
Mak esur eth at no objects aretrapped underthefront passeng erseat. #
Chec kth estatus ofaut omatic front passeng erairbag shuto.(/ page47). #
Ifnecessar y,consul ta qu ali/ed special istwo rkshop immed iately.
PRE-S AFEInoperat iveSee
Operator's Manual *
The PRE‑S AFE®
functions aremalfuncti oning. #
Consult aqu ali/ ed spec ial ist wo rkshop. 340340
Displ
aymessag esand warning/in dicatorlam ps

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. 346346
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 #
Depr essthebr ak epedal. #
Eng agepar kposition 005D. #
Consult aqua li/ed specialist workshop.
Tra nsmi ssion Malfunction
*Thetransmi ssionismalf unct ioning.The cause couldbeanove rheat edclutc hor bloc kedge ars. #
Letth etransmission cooldown. #
Ifth edispla ymessag estill appear sfo llo wing are star t,co nsulta qu ali/ed special istwo rkshop.
0080 Tra nsmi ssion Oil Over hea-
ted Drive with Ca ution *T
hetransmi ssionisove rheating. Whenthedispla ymessag eis activ e,star t-up anddriving charact eristics maybe tem-
por arily im pair ed. #
Drive at low engi nespeed. #
Avoid spor tydrivin g. #
Beforepulling awayon uphi llgr adien ts,letth etransmission cooldown until thedispla ymessag edisappear s.
Parking LockInoperative
Apply Parking Brake *T
hetransmi ssionismalf unct ioning.The parkposit ion005Dcann otbe select ed. #
Park theve hicle safely. #
Use theelectr icpar king brak eto secur eth eve hicle agains trol ling awa y.
Teaching inTransmission
Operate SelectorLever
Apply Brake forXXsRisk
of Vehicle RollingAway *T
hetransmi ssionisbein gta ught in.Ther eis arisk oftheve hicle rolling away. #
Depr essand hold thebr ak epedal untilthete ac h-in process hasbeen completed.
The electr icpar king brak eis applied automaticall ydur ing thete ac h-in process. #
Switchon theve hicle. Displ
aymessag esand warning/in dicatorlam ps
355 355

DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons #
Select parkposition 005D,transmission position005Eorneutr al005C.
Apply Parking BrakeRisk
of Rol ling Away SeeOpera -
tor's Manua l *T
hetransmi ssionpositioncann otbe reliabl yident i/ed. #
Use theelectr icpar king brak eto secur eth eve hicle agains trol ling awa y.
Teaching inTransmission
Complete *T
hetransmi ssion'steac h-in process iscom plete.All transm ission positions canbesele cted again.
Transm issionMalfunct ion
Serv iceRequired *T
hetransmi ssionismalf unct ioning.
Con sult aqu ali/ed special istwo rkshop.
Auxi liary Batte ryMa lfunc-
tion (whit edispla ymessag 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.
Auxilia ryBattery Malfunc-
tion (red displa ymessag e) *V V
ehicles wit ehicles
withaut h
aut omatic tr omatic
transmission: ansmission:
Theauxiliar ybatt eryfo rth etransmission isno long erbeing charge d. #
Consult aqua li/ed specialist workshop. #
V V
ehicle swit ehicle
swit haut h
aut omati ctr omati
ctransmissi on: ansmissi
on:Untilthen, alwaysselect parkposit ion005Dbeforeyo uswitc ho. theve hicle. #
Beforelea vingth eve hicle, applyth eelectr icpar king brak e. 356356
Displa
ymessag esand warning/in dicatorlam ps

BrBr
ak ak
es es
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
0049 (U SA only)
0024 (Canada only)
Parking BrakeSeeOpera -
tor's Manu al *T
heyello w0024 indicat orlam pis lit. The electr icpar king brak eis malfunctioning.
T T
o appl y o
appl y: :
#
Switc hth eve hicle o.and switc hit bac kon #
App lytheelectr icpar king brak emanuall y(/ page153).
If it is no tpossible toappl yth eelectr icpar king brak e: #
Consult aqua li/ed specialist workshop. #
Wher enece ssary,also secur eth epar kedve hicle agains tro lling away.
*T heyello w0024 indicat orlam pand there d0049 (USAonl y)or 0024 (Canada only)indicat orlam par elit. The electr ic
par king brak eis malfuncti oning.
T T
o r o
release: elease:
#
Switc hth eve hicle o.and switc hit bac kon #
Release theelectr icpar king brak emanuall y(/ page153).
or #
Release theelectr icpar king brak eaut omaticall y(/ page152).
If it is still notpossible torelease theelectr icpar king brak e: #
Donotcontinue driving. Consult aqu ali/ed special istwo rkshop. Displ
aymessag esand warning/in dicatorlam ps
357 357

DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
*T heyello w0024 indicat orlam pis lit and there d0049 (USAonl y)or 0024 (Canada only)indicat orlam pis 0ash ing.
The electr icpar king brak eis malfuncti oning.
The electr icpar king brak ecould notbe applied orreleased. #
Switc hth eve hicle o.and switc hit bac kon
T T
o appl y o
appl y: :
#
Release andthen appl yth eelectr icpar king brak emanuall y(/ page153).
T T
o r o
release: elease:
#
Appl yand then release theelectr icpar king brak emanuall y.
If th eelectr icpar king brak ecanno tbe applied orthere d0049 (USAonl y)or 0024 (Canada only)indicat orlam pcon-
tinues to0ash: #
Donotcon tinu edr ivin g. Con sulta qu ali/ed special istwo rkshop. #
Wher enece ssary,also secur eth epar kedve hicle agains tro lling away.
*T heyello w0024 indicat orlam pis lit and there d0049 (USAonl y)or 0024 (Canada only)indicat orlam p0ash esfor
appr oximat elyte nsec onds aTer theelectr icpar king brak ehas been applied orreleased. Itthen remains litor goes
out. Theelectr icpar king brak eis malfun ctioning.
If t If
the st he
stat at
eof c e
of char g har
ge is t e
is too low oo
low: :
#
Char gethe12 Vbatt ery. 358358
Displa
ymessa gesand warning/in dicatorlam ps