2023 MERCEDES-BENZ A CLASS heating

R
Mont hly
R Whe nth eload chang es
R Beforeembar kingonalon gerjour ney
R Ifoper ating conditions chang e,e.g .o.-
ro ad drivi ng #
Adjust thetir epr essur e,ifnecessar y. Ti
re pressur ewhic his toohigh ortoolow can:
R Shor tenth eser vice life of thetir es.
R Cause increased tiredamag e.
R Adverselya.ect driving charact eristics and
th us driving safety, e.g. duetohydroplaning . &
W W
ARNIN G ARNIN
GRisk ofaccident duetotoolow
a tir epr essur e
Ti re swit hpr essur eth at istoolow can over-
heat andburstas aconse quence.
In addition, they also su.er from irre gula r
we ar,whic hcan signi/cantl yim pair thebr ak -
ing proper tiesand thehandling charact eris-
tics. #
Avoid excessiv elylo w tirepr essur e. Ti
re pressur ewhic his toolow can cause:
R Tire malfun ctionsasare sult ofove rheating
R Impair edhandling charact eristics
R Irre gula rwe ar
R Incr eased fuel consu mption &
W W
AR NIN G AR
NIN GRisk ofacciden tdue totoohigh
a tir epr essur e
Ti re swit hex cessiv elyhigh pressur ecan burst.
In additi on,they also su.er from irre gula r
we ar,whic hcan signi/cantl yim pair thebr ak -
ing proper tiesand thehandling charact eris-
tics. #
Avoid excessiv elyhigh tirepr essur es. Ti
re pressur ewhic his toohigh cancause:
R Incr eased braking distance
R Impair edhandling charact eristics
R Irre gula rwe ar
R Impair eddrivi ng comf ort
R Suscep tibilityto damag e &
W W
ARNIN G ARNIN
GRisk ofaccident duetorepea-
te dpr essur edr op inthetir es
The wheels, valves ortires could bedamag ed.
To olow atir epr essur ecan lead tothetir es
bur stin g. #
Examine thetir es forfo re ign objects. #
Chec kwhe ther thetir ehas apunctur eor
th eva lve has aleak . #
Ifyo uar eunable torectif yth edamag e,
cont actaqu ali/ed special istwo rkshop. Yo
ucan /ndinf ormation ontirepr essur efo rth e
ve hicle' sfa ct or y-inst alled tires on thefo llo wing
labels:
R Tire and Loadi ngInformatio nplacar don the
B‑pi llarof your vehicle (/page300) .
R Tire pressur eta ble ontheinside ofthefuel
/ller 0ap(/page295).
Obser vethemaximum tirepr essur e
(/ page306).
Use asuit able pressur ega ug eto checkth etir e
pr essur e.The outerappear anceofatir edoes not 294294
Wheels
andtires

*
N N
O O
TE TE
Dam ageca use dby incor rect cool-
ant #
Onlyuse coolant that has been premix ed
wit hth ere qu ired antifr eeze protection.
Inf ormation oncoolant isavailabl eat thefo l-
lo wing locations:
R IntheMer cedes-Benz Speci/cation for
Oper ating Fluids 320.1
- Athttp s://be vo.mer cede s-benz.c om
- IntheMer cedes-Benz BeVoapp
R Ataqu ali/ed special istwo rkshop *
N NO O
TE TE
Overheati ngathigh outsi detemp er-
atur es If
an inappr opriatecoolant isused, theengine
cooling system isno tsu1cien tly pr otect ed
ag ainst overheating andcorrosion athigh out-
side temp eratur es. #
Onlyuse coolant approvedby Mer cedes-
Benz. #
Obs erve theinst ruction sin the
Mer cedes-Be nzSpeci /cation sfo rOper -
ating Fluids 320.1. Ha
ve thecoolant regula rly re placed ataqua li/ed
specialist workshop.
Pr opor tionofant ifre eze concentr atein theengine
cooling system:
R Aminimum of50% (antifr eezeprotection down
to about -35°F(-37 °C))
R Amaximum of55% (antifre eze protection
do wn to-49°F (-45°C))
Cool antcapacity Cool
antcapacity
Cool ant(engine ) Cool
ant(engine ) ModelModel
Capacity Cap
acity
All mode ls 9.4USqt(8.9 liter s) NNo o
t t
es on winds hieldw es
on winds hieldwas her as
her 0uid 0ui
d Obs
erve theno teson oper ating0uids
(/ page328). &
W W
AR NIN G AR
NIN G‑Risk of/reand injuryfrom
wind shield washer conce ntrate
Wi ndsh ieldwasher conce ntrate ishighl y0am-
mable. Itcould igniteif it comes intocont act
wit hho tengine component partsor the
ex haus tsy stem. #
Mak esur eth at no wind shield washer
conce ntrate spill sout next to the/ller
opening. *
N NO O
TE TE
Damag eto theex terior lightin gdue
to unsuit ablewindshield washer 0uid Un
suit able windshield washer 0uidmaydam-
ag eth eplastic surface oftheex terior lightin g. #
Onlyuse windshield washer 0uidwhichis
also suitable foruse onplastic surfaces,
e.g .MB Sum merF itor MB WinterF it. Te
ch nica ldat a
333 333

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
Tires Overhea ted
*Atleast onetireis ove rheating. Thea.ect edtires aredispla yedin red. At temp eratur esclose tothelimit value, the
tir es aredisp laye din yello w. &
W W
ARNI NG ARNI
NGRisk ofan accid ent from driving withove rheat edtires
Ov erheat edtires can burst. #
Reduce speed sothat thetir es cool down. Decrease
Speed
*Atleast onetireis ove rheating. Thea.ect edtires aredispla yedin red. At temp eratur esclose tothelimit value, the
tir es aredisp laye din yello w. &
W W
ARNI NG ARNI
NGRisk ofan accid ent from driving withove rheat edtires
Ov erheat edtires can burst. #
Reduce speed sothat thetir es cool down. TT
ir ir
e pr e
pr essur essur
eloss w e
loss war ar
ning syst ning
system em
DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Solution s Solution
s
Check TirePressure Soon
*Canada only:
The tirepr ess urelos swa rning system has detected asigni/can tloss ofpressur e. 382382
Displa
ymessag esand warning/in dicatorlam ps

Hand
ling(unus ual) Hand
ling(unus ual)........ ...............................292
HAND S-FREE A HAND
S-FREE ACCE SS CCE
SS... ................................ 75
Haza r Haza
rd w d
war ar
ning lights ning
lights....... ............................ 114
Haza r Haza
rdou ssub st dou
ssub stanc es anc
es
Inf orma tion ....... ....... ................................25
Hea dr Hea
dres estr tr
ain t ain
t
Fr ont (adjust ingmec hanicall y).... .............. 93
Re ar (adju sting ).... .................................... 94
Re ar (remo ving/ins talling)...... .................. 95
Head-up Display Head-up
Display
Ad justing brigh tnes s(o n-bo ardco m-
put er)...... ...... ........................................ 210
Ad justing displa yele men ts(on-bo ard
co mp uter).... .......................................... 210
Car e....... ............................................... 270
Fu nctio n........... ..................................... 209
Menu (on-boa rdcom puter)..................... 210
Oper atingth ememor yfunction .............. 100
Se tting theposition (on-boardcom-
put er)....... ............................................. 210
Switc hingon/o...... ..... ..........................2 11
Headlam Headlam
ps ps
see Automatic drivin glights
Headlin er(car Headlin
er(car e) e)
... ........................................2 70 Heating Heating
see Climat econtr ol
Help call Help
call
see Mercedes-Benz emergency callsy stem
High beam High
beam
Ac tivating/dea ctivating <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F> 113
High beam High
beam
see AdaptiveHig hbeam Assist
Hig h-be am Hig
h-be am0asher 0asher
........................................1 13
Hill st Hill
star ar
tassist t
assist .............................................160
HOLD function HOLD
function
Fu nctio n/no tes... ................................... 159
Swi tching on/o. .................................... 160
Home scr Home
screen (media displa een
(media display) y)
Ov ervie w... ............................................. 213
Hood Hood
Open ing/clo sing.................................... 258 II
Identi/cation Identi/cation
plate plat
e
Eng ine.. .................. ...............................3 27
Re frig er ant .............................................3 34
ve hicle ................................................... 327 Ign
ition key Ign
ition key
see Smar tKey
Immobi lizer Immobi
lizer...................... .............................. 84
Indi cat Indi
catorlam p or
lam p
see Warning/in dicatorlam p
Individual dr Individual
driv iv
e pr e
pr og r og
ram am
Con/ guring......... ................................... 139
Selecting....... ........................................ 138
Inside r Inside
rear ear
vie vie
wmir r w
mir ror or
Anti-g laremode (automatic).. ................. 122
Inside r Inside
rear ear
vie vie
wmir r w
mir ror or
see Outside mirrors
Inspe ction Inspe
ction
see ASSYST PLUS
Ins Instr tr
ume ntclu st ume
ntclu ster er
Fu nctio n/no tes... ........................... 205, 206
Ins Ins
tr tr
umen tdispla y umen
tdispla y
Fu nctio n/no tes... ................................... 206
Ins trumen tclus ter.. .................................. 10
Ov ervie wof displa ys<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F> 209
Wa rning/in dicatorlam ps... .....................386 414414
Inde
x

Oper
ating thememor yfunction .............. 100
Re setting these tting s...... ........................ 95
Se tting options........ ................................. 16
Seat belt Seat
belt
Car e..... ................................................. 270
Fa steni ng. ................................................ 41
Pro tection ...... .......................................... 39
Wa rning lamp........ ................................... 42
Seat beltadjus Seat
beltadjustment tment
Ac tivating/dea ctivating <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F> 42
Fu nctio n.......... ........................................ 42
Seat beltw Seat
beltwar ar
ning ning
see Seat belt
Seat belts Seat
belts
Ac tivating/dea ctivating seatbelt
<00420045004B005600540055004E0046004F0055000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F> <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F>42
Re duced protection .................................. 40
Re leasing....... .......................................... 42
Seat beltadjustment (function)...... .......... 42
Seat cov Seat
cover (Car er
(Car e) e)
...... ................................... 270
Seat heating Seat
heating
Ac tivating/dea ctivating <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F> 95
Seat v Seat
ventilati on entilati
on
Ac tivating/dea ctivating <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F> 96Seats Seats
Folding thebac krest forw ards (rear
passen gercom partment) ....................... 103
Selecting ag Selecting
agear ear
see Changing gears
Se lect Se
lect orlev or
lever er
see DIREC TSEL ECT leve r
Self -t Self
-test est
Au tomatic front passeng erairbag shut
o..... ........................................................ 47
Sen sor Sen
sors(car s
(car e) e)
... .......................................... 269
Ser Ser
vice vice
see ASSYST PLUS
Ser Ser
vice Cent vice
Cent er er
see Quali/ed speci alist wo rkshop
Se r Se
rvice int vice
interv er
val displa y al
displa y
see ASSYST PLUS
Se Se
tting asp eed tting
asp eed
see Cruis econt rol
Se Se
tting t tti
ng the mapsc ale he
mapsc ale
se eMap
Sh iT Sh
iTpadd les pa
dd les
se eSt eer ing wheel paddle shiTers ShiTin
g ShiTin
gg g
ear s ear
s
Gear shiT recommen dation..................... 143
Sid eairbag Sid
eairbag ..................................................... 43
Sid eim Sid
eim pact prot pact
protection ection
................................. 196
Side windo ws Sid
ewi ndo ws
Child safetyloc kin there ar
passen gercom partment ..........................6 4
Closing usingtheSmar tKey <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F> 79
Con venienc eclo sing. .......... .....................79
Con venienc eope ning .......... .....................79
Openin gwit hth eSmar tKey <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F> 79
Opening/c losi<004F0048000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F> 77
Pr oblem <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F> 80
Size designation (tir Size
designation (tires) es)<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F>
307
Sliding sunr Sliding
sunroof oof
Au tomatic functions. ................................ 83
Closing .................. ..................................8 0
Closing usingtheSmar tKey <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F> 79
Opening <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F> 80
Opening withth eSmar tKey <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F> 79
Pr oblem <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F> 83
Ra in-closing featur e.................................8 3
Sma r Sma
rtK ey tK
ey
Ac oust icloc king veri/catio nsig nal ...........6 7 422422
Inde
x

Batt
ery.. ...... .............................................68
Dea ctivating a<00470056004F00440055004A0050004F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F> 67
Ener gycons umption ...... ..........................67
Fu nctio nove rview........ ............................ 66
Ke yring attachm <0046004F0055000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F> .................. 68
Mec hanica lke y.<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F> 68
Pa nic alarm<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F> 67
Pr oblem <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F> 69
Unloc kingse<00550055004A004F0048000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F> 67
Smar Smar
tKey tK
ey
see Smar tKey
Sma r Sma
rtph one tph
one
se eSma rtphone integration
see Telephone
Smar Smar
tphone int tphone
integr eg
ration ation
Ov ervie w........ ........................................ 244
Sno Sno
wc w
chains hains.....
...........................................2 93
Soc ke Soc
ket(12 V) t
(12 V)
Fr ont cent erconsole... ........................... 107
Tr unk/car gocom partment .....................107
SoTw SoTw
are ar
eupdat e updat
e
Sy stem updat es..................................... 221 Sound Sound
PRE-S AFE®
Sound......... ..........................50
Wheels andtires ...... .............................. 292
Wheels/tir es..........................................292
Sound menu Sound
menu
Fu nctio nsove rview........ ........................ 256
Spar Spar
ewheel e
wheel
see Emer gency sparewheel
Spe cial seat beltre Spe
cial seat beltre tr tr
act act
or or
<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F> 56
Specia lis Specia
listw t
w or k or
ksho p sho
p
see Qual i/edspec ialistwo rkshop
Spe edinde Spe
edindex (tir x
(tir es) es)
....................................... 307
St St
andb andb
ymode y
mode
Ac tivating/dea ctiv<00420055004A004F0048000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F> 154
Fu nctio n.......... ...................................... 154
St St
andi nglights andi
nglights. ........................... ................. 112
St St
ar ar
t-o. t-o.
assis t assis
t
Ac tiv<00420055004A004F0048000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F> 161
Fu nctio n.......... ...................................... 161
St St
ar ar
t/ st t/
stop but t op
but ton on
Pa rking theve hicle ................................. 147
St artin gth eve hicle. ...............................1 29
Switc hingonthepo we rsuppl y/vehicle ..128 S S
t t
ar ar
t/s t t/s
top function op
function
see ECOstar t/s topfun ction
St St
art ar
ter batt er
batt ery er
y
Char ging(R emo teOnlin e)..... .................1 30
St St
ar ar
tin g tin
g
see Vehicle
St St
ar ar
tin gassis t tin
gassis tance ance
see Jump-st artconn ection
St St
ar ar
ting- o. ting-
o.aid aid
see Hillst ar tassis t
S S
TEER C TEER
CONTR ONTR
OL OL
Fu nctio n/no tes.<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F> 159
St St
eer eer
ing wheel ing
wheel
Ad justing (manu ally).<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F> 97
Butt <0050004F0054000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F> 207
Car <0046000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F> 270
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423 423