sensor MERCEDES-BENZ A CLASS 2022 Owner's Manual

Nor
mal view
1 Yello wlanes markingth ecour sethetir es
will take wit hth ecur rent steer ing ang le
(dynamic)
2 Yello wguide line,vehicle width(dr iven sur‐
fa ce) dep endi ngon thecur rent steer ing
ang le(dynamic)
3 Redguide lineatadis tance ofapprox imat ely
1. 0 in (0.3 m)from there ar area
4 Yello wwa rning indic ator ofParking Assist
PA RK TRONI C:obs tacles atadis tance
be twee nap prox imat ely2. 0ft (0.6 m)and
3.3 ft(1.0 m) 5
Redwa rning displa yof Parking Assist
PA RK TRONI C:obs tacles areve ry clos e
(a ppr oximat ely1. 0 ft (0.3 m)orless)
6 Orang ewa rning displa yof Parking Assist
PA RK TRONI C:obs tacles areamed iumdis‐
ta nce away (be tween appr oximat ely1. 0 ft
(0.3 m)and 2.0ft(0.6 m)) Wi
de-ang levie w
Sy stem failur e
If th ere ar vie wcam erais no toper ational, the
fo llo wing displa yappear sin themultimedia sys‐
te m. Sy
stem limit s
The rear vie wcam erawill notfun ction orwill
on lypa rtiall yfunc tion inthefo llo wing situat ions:
R The trunk lidisopen .
R Ther eis hea vyrain, sno wor fog.
R The ambient lightcondit ionsarepoor ,e.g. at
night.
R Camer as,orvehicle component sin whic h
th ecamer asareins talled, aredamag ed,dirty
or covered. Obser vetheinf ormation onvehi‐
cle sensor sand camer as(/ page15 2).
% Donotus eth ere ar vie wcam erain these
types ofsituation s.Yo uco uld other wise
injur eot her sor collide withobjects when
par king theve hicle.
% The cont rast of thedispla yma ybe impair ed
by direct sunlight orby other light sources,
e.g. when driving outofaga rage .In this
case, paypar ticular attent ion. 18
6
Driving and parking

Sy
stem limit s
The surround viewcam erawill notfun ction or
will onlypa rtiall yfunc tion inthefo llo wing situa‐
tion s:
R The door sar eopen .
R The outs idemirrors arefo lded in.
R The trunk lidisopen .
R Ther eis hea vyrain, sno wor fog.
R The ambient lightcondit ionsarepoor ,e.g. at
night.
R Camer as,orvehicle component sin whic h
th ecamer asareins talled, aredamag ed,dirty
or covered. Obser vetheinf ormation onvehi‐
cle sensor sand camer as(/ page15 2).
% Donotus eth esur round viewcam eraunde r
suc hcir cum stanc es.Youco uld other wise
injur eot her sor collide withobject swhen
par king theve hicle. Fo
rte ch nica lre ason s,thest andar dheigh tof the
ve hicle maybe altered ifth eve hicle iscar rying a
hea vyload andcanresult ininaccur aciesinthe
guide linesandinthedispla yof thege ner ated
ima ges.
% The cont rast of thedispla yma ybe impair ed
by abr upt,dir ect sunlight orby other light
sour ces, e.g.when driving outofaga rage .In
th is case, paypar ticular attent ion.
% Have thedispla yre pair edorreplaced if,for
ex am ple, pixelerro rs consi derablyrestrict its
us e.
See theno teson cleaning thesur round view
cam era(/ page26 1).
Calli ngup thevie wof thesur round view
camer ausing reve rsege ar #
Shif tto reve rsege ar. #
Select thedesir edviewin themultimedia
sy stem (/ page18 7). #
If,afte rshif ting toreve rsege ar,th eimag eof
th ere ar vie wcam erais no tsho wn: switchoff
th eignition ,pr ess and hold thec button,
switc hon theignition andengagere ve rse
ge ar again. Open
ingthecam eraco verof the rear vie w
camer a
Mul timedi asy stem:
4 © 5
Set ting s5
Assist ance
5 Camera &Parkin g #
Select OpenCamera Cover.
% The camer aco vercloses automatical lyafte r
some timeorafte ran ignitio ncy cle. Pa
rking Assis tPA RK TRONI C Fu
nction ofParking Assis tPA RK TRONI C
Pa rking AssistPA RK TRONI Cis an elec tron ic
par kingassi stanc esy stem withultr asound. It
monit orsth ear ea around your vehicle using mul‐
tiple sensor son thefront bum perand onthe
re ar bum per.Pa rking AssistPA RK TRONI Csho ws
yo uth edis tance betwee nyo ur vehicle anda
de tected obs tacle visually and audibly .
Pa rking AssistPA RK TRONI Cis on lyan aid. Itis
no ta subs titutefo ryo ur att entio nto thesur‐
ro und ings.The responsibili tyforsaf emaneu ver‐
ing and parking remains withyo u. Mak esur e
th at ther ear eno per sons, animals orobjec tsin Dr
iving andparking 18
9

R
Orang esegments: obstacle sat adi st anc e
be tween appr ox.1. 0 ft (0.3 m)and 2.0ft
(0.6 m)
R Redse gme nts: obstacle sat ave ry shor t
dis tance ofapprox .1. 0 ft (0.3 m)orless
Displa yof Parking Assis tPA RK TRONI Cin the
Head-u pDi spla y Op
tiona lly,obs tacle sde tected byParking Assist
PA RK TRONI Cfrom adis tance ofapprox imat ely
3. 3ft (1.0 m) infront 2and 2.0ft(0.6 m)on
th esides 3can also bedispla yedin theHead-
up Displa y. Sy
stem limit s
Pa rking AssistPA RK TRONI Cdoes notne cessa‐
ri ly take intoacc ount thefo llo wing obstacle s:
R Obs tacle sbel ow thede tection rang e, e.g .
pe rsons, animals orobject s.
R Obs tacle sab oveth ede tection rang e, e.g .
ove rhang ingloads, overhang sor loadin g
ra mp sof truc ks.
The sensor smus tbe free ofdir t,ice and slush.
Ot her wise, they ma yno tfunction correctly .
Cl ea nth esensor sre gular ly,ta king careno tto
scr atc hor damag eth em (/ page15 2). Pr
obl em swit hPa rking Assis tPA RK TRONI C Ex
am ple: vehicles withsur round viewcam era
When rear segm ents1 orall-r oundsegm ents
2 light upredand theé symbol appearsin
th emultifunc tiondispla y,Pa rking Assist
PA RK TRONI Cma yha ve been deactiv ated due to
signal interfere nce. Startth eve hicle again and
ch eckif Pa rking AssistPA RK TRONI Cis wo rking
at adif fere nt locati on. Dr
iving and parking 19
1

If
awa rning tone also sou nds forapp roxima tely
tw ose co nd seve rytim eth eve hicle isstar ted, it
ma ybe due toone ofthefo llo wing causes:
R Thesensor sar edir ty:clean thesensor s
and obser vetheno teson car eof vehicle
par ts(/ page26 1).
R Parking Assis tPA RK TRONI Chas been
deac tivated due toamalfunc tion:re star t
th eve hicle. Ifth epr oblem persists, con sult a
qu alif ied spec ialistwo rkshop.
Fu nction ofthepa ssiv eside impact protec‐
tion
Pa ssiv eside impact protect ion isan additional
Pa rking AssistPA RK TRONI Cfun ction whic h
wa rnsth edr iver about obstacle sat theside of
th eve hicle. Awa rning isissued whenobstacle s
ar ede tected between thefront and rear detec‐
tion rang e. In orde rfo ran object ontheside to
be detected, thesensor sin thefront and rear
bum permus tfirs tde tect theobjec twhile you
ar edr ivin gpas tit.
Dur ing thepar king procedur eor when maneu‐
ve ring, objects arede tected astheve hicle drives
pas t.Ifyo usteer inthedir ect ion ofade tected obs
tacle and ther eis arisk ofalat eral collision,
a wa rning isissued andthesegment slight upin
color inthedispla y.
The segment colorchang esdepen dingon the
dis tance tothede tected obs tacle :
R Yello w: appr oximat ely1. 0 -2.0 ft
(30 -60 cm)
R Red:less than appr oximat ely1. 0 ft (30 cm)
In order forlat eral front orrear segm entsto be
displa yed, theve hicle mustfirs ttr av el adis tance
of at leas tha lfof theve hicle length.Once the
ve hicle hastrav eled thelengt hof theve hicle, all
of thelat eral front and rear segm entscan bedis‐
pla yed. Pa
rking AssistPA RK TRONI Cdisp lay: vehicles
wit hout asur round viewcam era
1 Operation alfron tand rear
2 Operation alfron t,re ar and sides
3 Obstacle detected atthefront right (yello w)
and rear (red) 19
2
Driving and parking

Pa
rking AssistPA RK TRONI Cdisp lay: vehicles
wit hasur round viewcam era
1 Operation alfron tand rear
2 Operation alfron t,re ar and sides
3 Obstacle sde tected atthefront right (red)
Sa vedobs tacle son thesides aredele tedin the
fo llo wing situat ions,fo rex am ple:
R Youpar kth eve hicle andswitc hof fth eigni‐
tion .
R Youopen thedoor s.
Af terth eengine isrestar ted, obs tacle son the
sides mustbe detected again bef oreane w
wa rning can beissued. Sy
stem limit s
The system limits forPa rking Assist
PA RK TRONI Cappl yto passiv eside impact pro‐
te ction.
The follo wing objectsar eno tde tected, forex am‐
ple:
R Pedes trians who approachth eve hicle from
th eside
R Objec tsplaced next to theve hicle
Ac tiv atin g/deac tivatin gPa rking Assis t
PA RK TRONI Cusi ng the multime diasystem
* NO
TERisk ofan acci dent from objects
at clo serang e Pa
rking AssistPA RK TRONI Cma yno tde tect
cer tain obje ctsat clos era ng e. #
Whe npa rking ormane uvering theve hi‐
cle, paypar ticular attention toany
obj ect swhic har eabo veorbelo wthe
sensor s,e.g. flowe rpo ts or draw bar s.
The vehicle orother object scould oth‐
er wise bedamag ed. Re
quirement s:
R The camera menuis open.
R Or:Ac tivePa rking Assistis act ive.
R Or:th ePA RK TRONI Cpop- upwin dow
appear s. #
Tap= inthemedia display.
If th eindicat orlam pis lit, Parking Assist
PA RK TRONI Cis act ive. Ifth eindicat orlam pis
no tlit or theé symbol appearsin theins tru‐
ment cluster,Pa rking AssistPA RK TRONI Cis no t
act ive.
% Parking AssistPA RK TRONI Cis aut omat ically
act ivat ed when theve hicle isstar ted.
Alt ernativ ely,Pa rking AssistPA RK TRONI Ccan be
act ivat ed ordeac tiva tedin thequ ick acc ess
men u. Dr
ivin gand parking19
3

per
sons, animals orobjec tsetc. arein the
maneu vering rang e.
Ac tivePa rking Assistwill becan celed inthefo l‐
lo wing situat ions:
R Parking AssistPA RK TRONI Cis deac tiva ted.
R Youbegin steer ing.
R Youappl yth epar king brak e.
R Vehicl eswith automatic transmiss ion:
yo uen gage trans missi on positio n005D.
R ESP ®
int erve nes.
R Youopen thedoor sor thetrunk lidwhile
dr iving.
Sy stem limit s
If th eex terior lighting ismalfunct ioning,Active
Pa rking Assistis no tav ailable.
Obj ectsloc ated abo veorbelo wthede tection
ra ng eof thesensor s,e.g. overhang ingloads,
ove rhang sor loadin gra mp sof truc ks,or thebor‐
der sof par king spaces, areno tde tected during
mea surement ofthepar king space. Theseare
also then notta ke nint oacco untwhen calcul at‐
ing thepar king procedur e.In some circums tan‐ ces,
ActivePa rking Assistma yth er efor eguide
yo uint oth epar king space incorrectl y. &
WARNIN GRisk ofacci dent dueto
object slocat edabo veorbelo wthe
de tection rang eof ActivePa rking Assist
If th er ear eobjec tsabo veorbelo wthe
de tection rang e, thefo llo wing situat ionsmay
ar ise:
R ActivePa rking Assistma yst eer tooear ly.
R The vehicle mayno tst op infront ofthese
objec ts.
This could cause acollision. #
Inthese situation s,do notuse Active
Pa rking Assist. Ex
treme weather condition s,suc has snow or
hea vyrain, ma ylead toapar kingspac ebein g
meas ured inac curately. Pa rking spaces that are
par tiallyoc cupied bytrai le rdr aw bar smight not
be ident ified assuc hor be measur edincor rectly .
Only useAc tivePa rking Assiston leve l,high- grip
gr ound. Do
notuse ActivePa rking Assistin thefo llo wing
situat ions:
R Inextreme weather condition ssuc has ice ,
pac kedsno wor inhea vyrain.
R When transpor tingaload that protru des
be yond theve hicle.
R Onsteep uphill ordownhill gradients ofmor e
th an appr oximat ely15 %.
R When snowch ains areins talled.
R Direct lyafte ra tir ech ang eor when spare
tir es areins talled.
R Ifth etir epr essur eis toolow or toohigh.
R Ifth esuspension isout ofalignment ,e.g.
af te rbo ttoming outonacurb.
Ac tivePa rking Assistma yalso displa ypar king
spaces that areno tsuit able forpar king, suchas:
R Parking spaces wherepar kingis prohibit ed.
R Parking spaces onunsuit ablesurfaces. Dr
iving and parking 19
5

#
Alw ayspa ycar eful attention tothetra f‐
fi c situ ation; donotre ly on Drive Aw ay
Assi stalon e. #
Beprepar edtobrak eor sw erve as nec ‐
essar y,prov ided thetra ffic situat ion
per mitsand that itis saf eto take eva‐
siv eact ion. Dr
ive Aw ayAssi stisonl yan aid. Itis no ta sub‐
st itut efo ryo ur att entio nto thesur round ings.
The responsibili tyforsaf emaneu vering and
pa rking remains withyo u. Mak esur eth at no
per son s,anim alsorobj ect set c. arein the
maneu vering rang e.
A risk ofacollision mayar ise inthefo llo wing sit‐
uation s,forex am ple:
R Ifth eaccelera torand brak epeda lsaremix ed
up.
R Ifan incor rect transm ission position is
eng aged.
Dr ive Aw ayAssi stisact ive under thefo llo wing
con dition s:
R IfPa rking AssistPA RK TRONI Cis act ivat ed. R
Ifyo ushif tth etra nsmiss ionposition to005E or
005B when theve hicle isstatio nary.
R Ifth ede tected obs tacle isless than appr ox.
3.3 ft(1.0 m) away.
R Ifth emaneuv ering assis tance func tionis
acti vatedin themultimedia system.
Sy stem limit s
The perform anc eof Drive Aw ayAssi stislimit ed
on inclines .
% Also obser vethesy stem limits ofParking
Ass istPA RK TRONI C(/ page18 9).
Fu nction ofCross Traf fic Aler t
% Cross Traf fic Aler tis only available forve hi‐
cles withBlind SpotAssis tor ActiveBli nd
Spo tAssi st.
Cr oss Traf fic Aler tcan warndriver sof anycr oss‐
ing traffic when backingup and mane uvering out
of apar kingspace. Theradar sensor sin the
bum peralso monit orthear ea adjacen tto the
ve hicle. Ifacr itical situation isde tected, the
L symbol appearsinthemedia displayand
th eve hicle canbebrak ed aut omatically . If
th era dar sensor sar eobs truct edbyvehicles
or other object s,de tection isno tpos sible.
Cr oss Traf fic Aler tis acti veund erthefo llo wing
con dition s:
R Ifth eve hicle isbac king upatwa lkin gpace.
R Maneuv ering assis tance isacti vated
( / pag e19 9).
% Alsoob ser vetheins truction son Blind Spot
Assis tand ActiveBli nd Spo tAssi st
( / pag e18 0).
Sy stem limit s
Cr oss Traf fic Aler tis no tav ailable onincline s.
Ac tiv atin g/deac tivatin gthe mane uvering
ass ista nt
Mu ltimed iasystem:
4 © 5
Set ting s5
Assist ance
5 Camera &Parkin g #
Switc hManeuverin gAssist anceonoroff.
% The maneuv ering assis tant mu stbe activ e
fo rth efunc tion ofDrive Aw ayAssi st
( / pag e19 8) andCr os sTr af fic Aler t
(/ page 199). Dr
iving and parking 19
9

&
WARNIN GRisk ofburnsfrom theta il‐
pipe andtailpipe trims
The exhaus tta ilpipe andtailpipe trims can
becom eve ry hot.Ifyo uco me intoco ntact
wit hth ese partsof theve hicle, youco uld
bur nyo urself . #
Alw aysbe par ticular lycareful arou nd
th eta ilpipe andtheta ilpipe trims and
super visechildr enespec iallycloselyin
th is area. #
Allo wvehicle partsto cool down before
to uc hin gth em. To
avo iddamag eto theve hicle, observethe
no teson cleaning andcareof thefo llo wing vehi‐
cle parts:
Wheels andrims
R Use waterand acid-free alloy wheel cleaners.
R Donotuse acidic alloywheel cleanersto
re mo vebrak edus t.This could damag ewheel
bolts andbrak ecom ponen ts.
R Toavo idcor rosion ofthebr ak ediscs and
br ak epads, drive th eve hicle fora fe w minut
esafte rclea ning beforepar king it.The
br ak ediscs andbrak epa dswarm upand dry
out .
Wi ndo ws
R Clean thewindo wsinsid eand outs idewitha
dam pclo thand withacle anin gag ent recom‐
mend edforMer cedes-Benz.
R Donotuse dryclo thsor abr asiv eor sol vent-
ba sed cleani ng agents tocle an theinside of
windo ws.
Wi per blades
R Movethewiper arms intoth ere placemen t
position (/page11 5).
R With thewiper arms folded out,clean the
wiper blades withadam pclo th.
R Donotcle an thewiper blades tooof ten.
Ex terior light ing
R Clean thelenses withawe tsp ong eand mild
cle ani ng agent, e.g.car shampoo.
R Onlyuse cleaning agents orcleaning cloths
th at aresuit able forpla stic lens es. Sensor
s
R Clean thesensor sin thefront and rear
bum perswit hasof tclo thand carsham poo
(/ page15 2).
R When using apo we rwa sher ,maint ainamini‐
mum distance of11.8 in(30 cm).
Re ar vie wcamer aand surround viewcamer a
R Open thecamer aco verwit hth emultimedia
sy stem (/ page18 9).
R Usecle an waterand asof tclo thtocle an the
came ralens .
R Donotuse apo we rwa sher .
Ta ilpip es
R Clean withaclean ingagent recomme nded
fo rMer cedes-Benz, especiallyin thewint er
and afte rwa shing theve hicle.
R Donotuse acidic cleaning agents. 262
Maintenance andcare

pr
essur ete lltale when oneormor eof your
tir es issign ifican tly und erinf lated. Accor d‐
ing ly,if th elow tirepr essur ete lltale illumi‐
nat es, yousho uld stop and checkyo ur tires
as soo nas poss ible, andinflateth em tothe
pr oper pressur e.Driving onasignif icantly
under inflated tirecauses thetir eto ove rheat
and canlead totirefa ilur e.Un der inflation
also reduces fuelefficie ncy and tiretrea d
li fe ,and mayaf fect theve hicle's handling
and stopping ability.Please note that the
TPMS isno ta subs titutefo rpr oper tiremain‐
te nance ,and itis thedr iver's responsibili ty
to maint aincorrect tirepr ess ure, eve nif
und erinf latio nha sno tre ac hed theleve lto
tr ig ge rill umina tionoftheTPMS low tirepr es‐
sur ete lltale.
Yo ur vehicle hasalso been equipped witha
TPMS malfunction indicatortoindic atewhen
th esy stem isno toper ating proper ly.The
TPMS malfunct ionindicat oriscombin edwith
th elow tirepr essur ete lltale. When thesy s‐
te m detects amal functi on,theindicat or
lam pwill flash forapp roxima tely amin ute and
then remain continuously illumina ted.
This sequence willcontinue upon subseq uent
ve hicle star t-ups aslon gas themalfunct ion
ex ists.
When themalfunct ionindicat orisillumina‐
te d, thesy stem mayno tbe able todetect or
sig nal low tirepr ess ureas intende d.TPM S
mal functi onsmayoccu rfo ra va riet yof rea‐
son s,inc ludin gth eins tallation ofinc om pati‐
ble replacemen tor alternat etir es orwheels
on theve hicle that prev ent theTPMS from
func tioningproper ly.
Alw aysch eckth eTPMS malfunct iontelltale
af te rre placing oneormor etir es orwheels
on your vehicle toensur eth at there place‐
ment oralternat etir es and wheels allowthe
TPMS tocontinu eto function proper ly. The
system checks thetir epr essur eand thetir e
te mp eratur eof thetir es installed ontheve hicle
by means ofatir epr essu resensor .
The tirepr essur eand thetir ete mp eratur e
appear intheon- boar dcom puter(/ page293). If
th er eis asubs tantia lpr ess ureloss orifth e
tir ete mp eratur eis exc essiv e,youwill bewarned
in thefo llo wing ways:
R viadisp lay messa ges(/ page37 2).
R via th e0077 warning lam pin theins trument
clus ter(/ page392)
The tirepr essu remonit oring system isonl yan
aid. Itis thedr iver's responsibili tyto setth etir e
pr essur eto there comme ndedcoldtirepr ess ure
su itab leforth eoper ating situation .
In mos tcases, thetir epr essur emonit oring sys‐
te m wil lau tomatical lyupdat eth ene wrefere nce
va lues afte ryo uha ve chang edthetir epr essur e.
Yo ucan ,ho we ver,also updat eth ere fere nce val‐
ues byrestar tin gth etir epr essur emonit oring
sy stem manually (/page392).
Sy stem limit s
The system maybe impair edorma yno tfunc tion
par ticular lyin thefo llo wing situat ions:
R The tirepr essur ehas been setinc orrectl y
R Sud den press urelos scau sed byafo re ign
obje ctpene tratin gth etir e, forex am ple 292
Wheelsand tires

of
skidding andhydroplaning onwetro ads is
inc reased.
In addit ion,th etir egr ip isgreatl yre duced at
a low outside temp eratur eand tireru nning
te mp eratur e. #
Switc hon theES P®
and adap tyo ur
dr ivin gst yle accor dingly. #
Use 004D M+Stires atoutside temp er‐
atur esofless than 50 °F(10 °C) . #
Onlyuse thetir es forth eir intended pur‐
pose. Obser
vethefo llo wing when selecting,ins talling
and replacing tires:
R Further mor e,theuse ofcer tain tiretypes in
cer tain regions andareas ofoper ation can
be highl ybenef icial.
R Onlyuse tires and wheels ofthesame type
(summer tires, wint ertires, MOEx tende d
tir es) and thesame make.
R Onlyins tallwheels ofthesame sizeonone
axle (leftand right). It
is onl yper missible toins talla dif fere nt
wh eelsi ze intheeve ntofaflat tirein order
to drive to thespecialis two rkshop.
R Vehicl eswith atir epr ess uremonit oring
sy stem: Allinstalled wheels mustbe equip‐
ped withfunc tioningsensorsfo rth etir e
pr essur emonit oring system.
R Attemp eratur esbelo w45 °F(7°C) use win‐
te rtir es orall-seaso ntir es mar ked004D M+S
fo rall whee ls.
Wi nter tires prov ide thebes tpossible grip in
wintr yro ad con dition s.
R ForM+S tires, only usetires wit hth esame
tr ead.
R Obser vethemaximum permissible speedfor
th eM+S tires installed.
If th etir e's maximum speedisbelo wthat of
th eve hicle, this mus tbe indic ated byan
appr opriatelabel inthedr iver's field of
vision.
R Break inne wtires atmoder atespeeds for
th efirs t60 miles(1 00 km) . R
Replace thetir es afte rsix yearsat thelat est,
re ga rdless ofwe ar.
R Wh enreplac ingwith tires that donotfe a‐
tur eru n-f lat charact eristics :ve hicles with
MOExt ended tires areno teq uipped witha
TIREFIT kitatthefa ct or y. Eq uip th eve hicle
wit haTIREFIT kitafte rre placing withtir es
th at do notfe atur eru n-f latch aract eristic s,
e.g .wint ertires.
Fo rmor einf ormation onwhee lsand tires, con‐
ta ct aqu alif ied spec ialistwo rkshop.
Be sureto also obse rveth efo llo wing further
re lat ed subje cts:
R Noteson tirepr essur e(/ page288)
R Tire and Loadi ngInfo rm atio nplacar d
(/ page29 5)
R Tire size designation, load-bearing cap acity,
spe edrating andload index(/ pag e302)
R Tire pressur eta ble (/ page290)
R Noteson theemer gency sparewheel
(/ page31 7) Wh
eelsan dtir es 30
9