2023 MERCEDES-BENZ A CLASS ECU

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

DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
T T
o appl y o
appl y: :
#
Switc ho. theve hicle.
The elect ric par king brak ewill beapplied automatical ly.
If yo udo notwa nttheelectr icpar king brak eto be applied, e.g.atan aut omatic carwash orwhen theve hicle isbein g
to we d,lea vetheve hicle switchedon.This does notincl ude havin gth eve hicle towe dwit hth ere ar axle raised.
If th eelectr icpar king brak eis no tapplied automaticall y: #
Switchth eve hicle o.and switc hit bac kon #
Release andthen appl yth eelectr icpar king brak emanuall y(/ page153).
If it is still notpossible 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 T
o r o
release: elease:
#
Ifth econditions foraut omatic release areful/lled andtheelectr icpar king brak eis no tre leased automatica lly,
re lease theelectr icpar king brak emanuall y(/ page153).
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
359 359

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

Hea
d-up Display........ .............................270
Headliner...... ......................................... 270
Pa int.... ..................................................267
Plastic trim....... .....................................2 70
Po we rwa sher ........................................2 66
Re alwo od/tr imelement s..... .................2 70
Re ar vie wcamer a.... ...............................2 69
Seat belt...... .......................................... 270
Seat cover..... ........... ............................. 270
Sensor s....................... ..........................269
St eer ing wheel....... ................................270
Sur round viewcamer a......... .................. 269
Ta ilpipes.... ............................................269
Wa shing byhand .................................... 267
Wheel s/rims ....................................... ... 269
Wi ndo ws<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F> 269
Wi per blades .......................................... 269
Car Car
gotie-do go
tie-do wnr wn
rings ings..
.................................. 105
Car Car
pe pe
t(Car t
(Car e) e)
.... .... ....................................... 270
Chang Chang
eof addr e
of addr ess ess..
....................................... 25
Chang Chang
eof o e
of owner wner
ship ship
...................................... 25
Changing awheel Changing
awheel
Pr epar ation ............................................ 316
Ra ising theve hicle ................................. 317 Chang
ingawheel Chang
ingawheel
see Emer gency sparewheel
Chang ingg Chang
inggear s ear
s
Man ually.... ............................................ 143
Chang inghub caps Chang
inghub caps ....................................... 316
Char Char
ging gin
g
On- boar delect rical system batt ery
(12 V).................................................... 282
USB port................. ...............................1 08
Chec Chec
kingt king
the br he
brak ak
epad t epad
thic hic
kness kness
.................264
Child safe Child
safety loc k ty
loc k
Re ar door .................................................6 3
Re ar side windows.<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F> 64
Chil dsea t Chil
dsea t
At tach ing (notes). .....................................5 5
Bas icinstr uctions.. .................................. 51
Fr ont- passeng erseat (notes)... ................. 61
LA TC H-ty pe(ISOFI X)(inst alling).......... ......56
No teson risk sand dang ers.<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F> 52
Secur ingonthefront passeng erseat.. .....62
Secur ingonthere ar seat. ........................ 60
To pTe ther. ..... .......... ................................58
Childr Childr
en en
Av oiding dangersin theve hicle ................5 2 Bas
icinstr uctions.. .................................. 51
Spec ialse at bel tre tract or<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F> 56
Choc k Choc
k
St orag elocation.. ................................... 315
Choc k Choc
k
see Choc k
Cleanin g Cleanin
g
see Care
Cleanin g Cleanin
g0uid 0uid
see Windsh ieldwasher 0uid
Clim at Clim
atecont r e
cont rol ol
Ac tivating/dea ctivating <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F> 124
Ac tivating/dea ctivating theA/C func-
tion (MBUX multimedia system) .............. 125
Ac tivating/dea ctivating thesync hro-
nization function (controlpanel)....... ......1 25
Ac tivating/dea ctivating thesync hro-
nization function (MBUXmultimedia
sy stem) ............... ................................... 126
Air -recir culation mode(with/n epar ti-
cle pre/lt er)....... ....................................1 26
Au tomatic control... ...............................1 25
Calling uptheair conditioning menu.......125 Inde
x
405 405

Contr
olpanel for3-zone automatic
climat econtr ol...... ...... ...........................124
Contr olpanel fordual-zone automatic
climat econtr ol...... ...... ...........................124
Defr ostin gth ewindshield... .................... 124
Fi lling capac ityforre frig er ant and
PA Goil.. .................................................3 35
Fr ont airvents.... .......... ..........................126
No te<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F> 124
Re ar air vents.... .......... ...........................127
Re frig er ant ........ .................................... .3 34
Re mo vingconden sationfrom thewin-
do ws <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F> 126
Re sidual heat....................................... .. 126
Se tting (MB UXmult imedi asy stem) ......... 125
Se tting theair distr ibution... ................... 124
Se tting theair0o w...... ............................ 124
Se tting theve hicle interior temp era-
tur e..... .................................................. 124
Switc hingtheA/C function on/o.
(contr olpanel).. ..................................... 124
Switc hingthere ar wind owheat er
on/o. ................................................... 124
Ve ntila ting theve hicle (convenienc e
ope ning). .......... ....................................... 79Coc Coc
kpit kpi
t
Ov ervie w..... .......... .....................................6
Co. ee Co.
eecup symbo l cup
symbo l
see ATTEN TIONASSIS T
Col lision det Col
lision detecti on(par k ecti
on(par ked v ed
vehi cle) ehi
cle)
Inf orma tion.. ......... .................................153
Com bination switch Com
bination switch......... ........................... .113
Com Com
ponen t-speci/ c ponen
t-speci/ cinf inf
or or
mation mation........
...........326
Com Com
put put
er er
see On-boar dcom puter
Con v Con
venience closing enience
closing........ ..................... .........79
Con v Con
venience opening enience
opening.... ................................. 79
Coolant (engine) Coolant
(engine)
Capac ity.......... ....... ...............................333
Le velch eck.<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F> 262
No tes... .................. ................................ 332
Co oling Co
oling
se eCl im ateco ntrol
Co p Co
pyr yr
ights ig
hts
Lic ense. ...................................................3 5
Tr ademar ks<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F> 35
Cor Cor
ner ner
ing light ing
light<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F> 115Cr Cr
oss oss
tr tr
a1c a1c
(w (w
ar ar
ning) ning)
see Maneuv ering assistance
Cr Cr
oss oss
Tr Tr
a1c a1c
Alert Aler
t........ ................................203
Cr Cr
oss wind Assist oss
wind Assist
Fu nctio n/no tes... ................................... 158
Cr Cr
uise contr uise
control ol
Ac tivating <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F> 164
Butt ons<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F> 164
Call ingupaspee <0045000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F> 164
Deac tiv<00420055004A004F0048000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F> 164
Fu nctio n.......... ...................................... 163
Re quirements:...... ................................. 164
Selecting....... ........................................ 164
Se tting aspeed.......... ............................ 164
St oring aspeed.... .................................. 164
Sy stem limit ations .................................. 163
Cust Cust
omer Assist omer
Assist anceCent ance
Center(CA er
(CAC) C)
.... ............ 29
Cust Cust
omer R omer
Relations Depar elations
Department tment
.....................2 9 DD
Dam Dam
ping adjus ping
adjust ment tment
.................................... 189
Dashboar d Dashboar
d
see Cockpit 406406
Inde
x

Re
ar fogligh <0055000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F> <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F>......112
Re sponsi bilityforlighting systems .......... 112
Se tting theex terior lightin gswitc h-o.
dela ytime ............................................ .. 117
St andi nglights... .................................... 112
Swi tching thesur round lighting on/o.... 117
Tu rn sign allight.. .................................... 113
Limi t Limi
ted W ed
War r ar
rant y ant
y
Ve hicle ...... ............................................... 31
Liv Liv
e e
Tr Tr
a1c a1c
Inf Inf
or or
matio n matio
n
Swi tching thetra1c information dis-
pla yon.... ...............................................232
Load inde Load
index(tir x
(tir es) es)
..... ....................................3 07
Load-bear Load-bear
ingcapa city(tir ing
capa city(tires) es)
....... .................307
Loading Loading
Cargotie-do wnrings.... .......... ................105
De/ nition s.......... ...................................309
No tes... .................................................. 100
Ro oflugg agera ck <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F> 106
Load ingguideli nes Load
ingguideli nes<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F> 100
Load inginf Load
inginfor or
matio nt matio
ntable able<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F>
300
Load s Load
s
Fi xing ..................................................... 100 Loc Loc
king /unloc king
/unlocking king
Emer gency key.<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F> 72
KEYLESS-GO <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F> 70
Switc hingtheaut omatic locking fea-
tur eon/o. .............................. ................7 2
Unlo cking/openin gth edoor sfrom
th einside. ................................................ 70
Lo Lo
wbeam w
beam
Ac tivating/dea ctivating <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F> 112
L L
ubr ubr
icantadd itiv ica
ntadd itives es
see Additiv es
L L
ugg ugg
age ag
e
Secur ing................ ................................ 100
L L
umbar support umbar
support
see Lumbar suppor t(4-w ay)
L L
umbar suppor umbar
support(4-w a t
(4-w ay) y)
...... ........................ ... 93 MM
Maint Maint
enance enance
Ve hicle ..................................................... 25
Main t Main
tenan ce enan
ce
see ASSYST PLUS Malfu
nction Malfu
nction
Re str aint system.... ..................................3 8
Maneu v Maneu
ver er
ing aid ing
aid
see Maneu vering assist anc e
Maneu v Maneu
ver er
ing assist ing
assist anc e anc
e
Ac tivating/dea ctivating <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F> 204
Cr oss Tra1c Alert<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F> 203
Dr ive Aw ayAss ist......... .......................... 203
Map Map
Displaying online mapcont <0046004F00550054000F000F000F000F000F000F000F000F000F000F000F000F
000F000F> 232
Dis playing weather informatio n.............. 232
Mo <0057004A004F0048000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F> 231
Selecting themap orient ation.... ............ 231
Se tting themap scale.... ........................ 231
Switc hingfree wa yin fo rm atio non/o. ..... 231
Massag Massag
epr e
pr og r og
rams ams
Re setting these tting s...... ........................ 95
Selecting thefront seats........ .................. 95
Maximum loadr Maximum
loadrating ating
.......... ..........................3 06
Maximum per Maximum
permissible load missible
load
Calculation exam ple...............................3 02
De term ining....... .................................... 301
Maximum tir Maximum
tirepr e
pr essur e essur
e...... ...........................306 416416
Inde
x

RR
egulat egulat
or or
yr y
radio inf adio
infor or
mation mation
Inst allation clearances ........................... 326
R R
emo t emo
te Online e
Online
Char ging thestar terbatt ery.<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F> 130
Cooli ng/heati ngtheve hicle interior. ...... 130
St artin gth eve hicle. ...............................1 31
R R
epor epor
tingsafe ting
safety def ty
def ects ects....
.............................30
R R
escue card escue
card...... ............................................. 31
R R
eser ve eser
ve
Fu el..... .................................................. 331
R R
ese ese
tfunction (MBUXmultimedia syst t
function (MBUXmultimedia system) em)
.... 225
R R
esidual heat esidual
heat............ ................................... 126
R R
est est
or or
ing (f ing
(fact act
or or
yse y
se tting s) tting
s)
see Resetfu nct ion (MB UXmult imedi asy stem)
R R
es es
tr tr
aint syst aint
system em
Basic instructi ons forch ildr en...... ............ 51
Fu nctio nin an accid ent...... ......................38
Fu nctio nality... .......... ...............................38
Limit edprotection ....................................3 7
Malfunc tion.......... ...................................38
Pr otection.... ............................................ 37
Self -test..... ..............................................3 8
Wa rning lamp........ ................................... 38 R R
e e
v v
er er
se g se
gear ear
Eng aging......... .......................................141
Re v Re
ver er
sing camer a sing
camer a
Opening thecamer aco ver(sur round
vie wcamer a)...... ................................... 194
Rims (car Rims
(care) e)
...... ........................ ....................269
R R
oadside Assist oadside
Assistance(br ance
(breakdo eakdo
wn) wn)
...... ............ 25
R R
oll awa oll
awa ypr ot y
pr otection ection
see HOLD function
R R
oller sunblind oller
sunblind
Sliding sunroof........ ................................. 80
R R
oof lugg oof
lugg ag ag
er e
rac k ac
k
Loading... ............... ................................106
Secur ing...... .......... ................................106
R R
out e out
e
Calculating.... .........................................2 30
Selecting options....... ............................ 230
R R
out out
eguidance wit e
guidance withaugment h
augment edr ed
reality eality
Ac tivating <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F> 230
Disp laying streetnames andhous e
number <0054000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F> 230
R R
out out
e-bas edspee dada pt e-based
speedadaptation ation
Fu nctio n........... .......... ........................... 170 Se
tting .......... .......... ...............................171
R R
un- 0at un-
0at c c
har har
act act
er er
istics istics
MOExt ended tires... ....... ........................274 SS
Saf e Saf
ety syst ty
systems ems
see Driving safetysy stem
Sa t Sa
tel lit el
lite r e
rad io ad
io
Lo ggi ng in... ...... .....................................2 55
Se tting music andspor taler ts......... ....... 255
Sear c Sear
ch light h
light
Switc hingon/o.(cont actless )............... 218
Seat Seat
4-waylumbar support.<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F> 93
Ad justing (elec trica lly)... ...... .....................93
Ad justing (SeatCom fort).. ........................ 90
Ad justme nt(witho ut Seat Comfort
Pa ckag e)... ......... ...................................... 88
Con/gur ingsetting s... .............................. 95
Cor rect driver's seat positi on...................8 7
Fo lding backth ebac krest (rear
passeng ercom partment) ....................... 104
Loc king thebac krest (rear passeng er
com partment) ........................................ 105 Inde
x
421 421