2023 MERCEDES-BENZ A CLASS run flat

SeSe
tting up t tti
ng up the w he
war ar
ning tr ning
tria ngle ia
ngle #
Foldside re0ect ors1 upw ards toform atri-
ang leand attachat theto pusing upper press-
stu d2. #
Foldlegs 3down and outtotheside. FF
ir s ir
st- aid kit t-aid
kit(soT- sided) (soT-
sided) ov ov
er er
vie w vie
w Fi
rs t-aid kit(soT side d)1 ison theleT orright in
th etrunk ,depending ontheve hicle version.
% Depending ontheve hicle' seq uipme nt,th e
/r st-ai dkit(so T-si ded) isin there cess inthe
side trim. Flat
tire Flat
tire NNo o
t t
es on es
on 0at 0at
tir tir
es es
&
W W
AR NIN G AR
NIN GRisk ofacciden tdue toa0at
tir e
A 0at tirese verely a.ects thedr iving charac-
te risti cs aswellas thesteer ing and braking of
th eve hicle.
T T
ir ir
es wit es
without hout
r r
un-0at un-0at
c c
har har
act act
er er
is is
tics: tics:
#
Donotdr ive wit ha0at tire. #
Chang eth e0at tireimmediat elywit han
emer gency sparewheel orspar ewheel.
Alt ernat ivel y, consul ta qu ali/ed special -
is two rkshop.
T T
ir ir
es wit es
with h
r r
un-0at un-0at
c c
har har
act act
er er
is is
tics: tics:
#
Obser vetheinf ormation andwarning
no teson MOExt endedtires (run-0at
tir es). Br
eakdo wnassis tance
273 273

Sy
st Sy
stem limits em
limits
The system maybe impa ired orma yno tfunc tion
pa rticular lyin thefo llo wing situations:
R Incor rect refere nce values weretaught in
R Sudden pressur eloss caused byafo re ign
object penetrating thetir e, forex am ple
R Aneven pressur eloss onmor eth an one tire
occur s
The system has are str icte dor dela yedfun ction
par ticular lyin thefo llo wing situations:
R Poor ground condition s,e.g. snowor grav el
R Driving withsno wch ains
R When adoptingave ry spor tydrivi ng style wit h
high corner ing speeds orsudden acceleration
R Driving withahigh load
The tirepr essur eloss warning system isonl yan
aid. Itis thedr iver's responsi bilityto setth etir e
pr essur eto there commen dedcold tirepr essur e
suit able forth eoper ating situation andtocheck
it. Be
sureto also obser vethefo llo wing further rela-
te dsubjects:
R Noteson tirepr essur e(/ page293)
R Displ aymessag esabout thetir es
(/ page379)
R R
est est
ar ar
ting t ting
the tir he
tirepr e
pr essur essur
eloss w e
loss war ar
ning syst ning
system em
R R
eq eq
uir uir
ements: ements:
R The recommen dedtirepr essur eis cor rectl y
se tfo rth ere specti veoper ating status onall
wheels.
Re star tth etir epr essur eloss warning system in
th efo llo wing situations:
R The tirepr essur ehas chang ed.
R The wheels ortires have been chang edor
ne wly installed.
On-boar dcom puter:
4 Service 5
Tires #
Swipe down wardson theTo uc hContr olon the
leT-h andside ofthesteer ing wheel.
The Tire Pressure ControlSystem Active
Restart messageis sho wninthedispla y. #
Tobegin restar t,pr es sth eTo uc hContr olon
th eleT-h andside ofthesteer ing wheel.
The Tire Pressure NowOK?messag eis sho wn
in thedispla y. #
Sele ctYes . #
Tocon/r mrestar t,pr es sth eTo uc hContr olon
th eleT-h andside ofthesteer ing wheel.
The Run FlatIndicator Restarted messageis
sho wninthedispla y.
ATe ryo uha ve driven fora few minut es,the
tir epr ess ureloss warning system monit ors
th ese ttir epr essur esofall thetir es.
Be sureto also payatt ent ion tothefo llo wing rela-
te dto pic:
R Noteson tirepr essur e(/ page293) Wheel
sand tires
299 299

DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons &
W W
ARNIN G ARNIN
GRisk ofan accident duetoinsu1c ienttirepr essur e
R The tires can burst.
R The tires can wearexcessiv elyand/ orune venly.
R The driving charact eristics aswellas thesteer ing and braking maybe greatl yim pair ed.
Yo ucould then lose contr olof theve hicle. #
Obser vethere commen dedtirepr essur es. #
Adjust thetir epr essur eif necessar y. #
Stop theve hicle inaccor dance withth etra1c conditions. #
Chec kth etir epr essur e(/ page293) andthetir es. #
When thetir epr essur eis cor rect, restar tth etir epr essur eloss warning system (/ page298).
Check TirePressure Then
Restart RunFlatIndicator *C
anada only:
The tirepr ess urelos swa rning system gener ated adis pla ymes sage and hasnotbeen restar tedsince. #
When thetir epr essur eis cor rect, restar tth etir epr essur eloss warning system (/ page298).
Run FlatIndicator Inopera-
tive *C
anada only:
The tirepr ess urelos swa rning system ismalfunctioning. #
Consult aqua li/ed specia listworkshop. Displ
aymessag esand warning/in dicatorlam ps
383 383

ExtExt
er er
ior light ing ior
light ing
see Light s
Ext Ext
er er
ior mir r ior
mir ror s or
s
Au tomatic mirrorfo lding function.. ......... 123
Oper ating thememor yfunction .............. 100
Pa rking position....... .............................. 122 FF
F F
atigue det atigue
detection ection
see ATTEN TIONASSIS T
F F
ir s ir
st-aid kit t-ai
dkit (soT (s
oT sided) sid
ed)..... ............................273
Flat tire Flat
tire
Changing awheel..... ..............................316
MOExt ended tires... ....... ........................274
No tes... .................................................. 273
TI RE FITkit.. ............................................ 275
Fl at to Flat
towing wing
see Tow- bar system
Floor mats Floor
mats.. ........ .........................................1 10
F F
oil cov oil
cover er
ing ing
Ra dar and ultrasonic sensors................. 155
Fr Fr
ee ee
soTw soTw
are ar
e..... ............................................ 35 F F
r r
eq eq
uencies uencies
Tw o-w ayradio ........................................ 325
Fr Fr
ont airbag (dr ont
airbag (driv iv
er er
,fr ,
fr ont passeng ont
passeng er) er)
.............. 43
Fr Fr
ont passeng ont
passeng erairbag er
airbag shut shut
o. o.
see Automatic front passeng erairbag shuto.
Fr Fr
ont passeng ont
passeng erseat er
seat
see Seat
F F
uel uel
Additiv es..... ............ ............................... 331
E10.... .................................................... 330
Fu elreser ve<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F> 331
Gas <0050004D004A004F0046000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F> 330
Qual ity(gaso <004D004A004F0046000A000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F> 330
Re fuel ing............................................... 145
Sulfu rco ntent ........................................ 330
Ta nk cont ent.......... ................................331
F F
uel cons ump uel
cons umption indic at tion
indic ator or
Cal ling up.... .......... ................................140
F F
uncti onsea t uncti
onsea t
see Doorcont rolpanel
F F
uses uses
Bef orere placing afuse.. ........................ 289
Fu se assign mentdiagram. <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F> 289
Fu se boxin theengine compartment ......2 89 Fu
se boxin thefront-passeng erfoot -
we ll...... ............ ......................................290
Fu se boxin thetrunk. ............................ 291
No tes... ............ ...................................... 289
F F
us es us
es
se eFu ses GG
Gar Gar
ag ag
edoor opener e
door opener
Clear ingthememor y........ ......................151
Gar Gar
ag ag
edoor opener s e
door opener s
Opening/ closingthedoor...... ................1 51
Pr og ramming buttons.. ........................... 149
Re sol vingpr oblem s................................ 150
Syn chronizing thero lling code......... .......150
Gasoline Gasoline......
.............. .................................. 330
Gear Gear
shiT shiT
r r
ecommendation ecommendation.....
......................143
Genuine par Genuine
parts ts..
....... ....................................... 22
Glide mode Glide
mode.... .............................................. 144 HH
Handbr Handbr
ake ak
e
see Electr icpar king brak e Inde
x
413 413