wheel MERCEDES-BENZ A CLASS 2022 Workshop Manual

No
teson car eof theint erior &
WARNIN GRisk ofinju ryfrom plastic
par tsbreakin gof faf te rth euse ofsol‐
ve nt-ba sedcarepr od ucts
Ca reand cleanin gpr oduc tscon tainin gsol‐
ve nts can causesurfaces inthecoc kpit to
become porous. When theairbags are
deplo yed, plas ticpar tsma ybr eak away. #
Donotus ean ycar eor cle ani ng prod ‐
ucts containing solvents tocle an the
coc kpit. &
WARNIN GRisk ofinju ryor deat hfrom
bleac hedseat belts
Bleac hingordyeing seat belts canseverely
we aken them.
This can, forex am ple, caus eseat beltsto
te ar or failin an acc ident . #
Neverblea chordyeseat belts. To
avo iddamag eto theve hicle, observethefo l‐
lo wing noteson cleaning andcare: Seat
belts
R Clea nwit hluk ewa rmand soap ywa ter.
R Donotus ech emical cleaningag ent s.
R Donotdr yby heating them toove r17 6°F
(80°C )or exposing them todirect sunlight .
Displa y
R Switc hof fth edispla yand letit cool down.
R Clean thesur face car efu llywith amic rofiber
clo thand asuit able displa ycar epr oduc t
(TF T-LC D).
R Donotus ean yot her agents.
Plas tictrim
R Clea nwit hadam pmicr ofiber cloth.
R Forhea vysoil ing: useaclea nerrecomme n‐
ded forMer cedes-Benz.
R Donotatt achsticke rs,fi lms orsimilar mate‐
ri als.
R Donotallo wcos metics,ins ect repellent or
sun cream tocome incont actwith theplas‐
tic trim.
Re alwo od and trim elemen ts
R Clean withamic rofiber cloth. R
Blackpiano-lac quer look: clean withadam p
clo thand soap ywa ter.
R Forhea vysoil ing: useaclea nerrecomme n‐
ded forMer cedes-Benz.
R Donotuse solvent-ba sedcleani ng agents,
po lishe sor wa xes.
Headliner R Clea nwit habr ush ordrysham poo.
Car pet
R Use acar petand textil ecle ani ng agent rec‐
omme ndedforMer cedes-Benz.
Ste ering wheel madeofgenuine leather or
DIN AMIC A
* NO
TEDama gecau sed bywrong clean ers #
Donotuse solvent-bas edclean ing
ag ent ssuc has tarre mo veror whee l
clea ner;neit her shou ldyouuse pol‐
ishe sor wa xes. Ot her wise youma y
damag eth efinis h. R
Clea nwi th adam pclo thand 1%soap ywa ter
solution andthen wipe withadr yclo th. Maint
enance andcare263

#
Push both sides ofwa rning triang leholder
1 inthedir ect ion ofthear row and open it. #
Remo vewarning triang le2.
Se tting upthewa rning triang le #
Foldside reflect ors1 upw ards toform atri‐
ang leand attachat theto pusing upper
pr ess-s tud2. #
Foldlegs 3down and outtotheside. Fi
rs t-aid kit(sof t-si ded) overview Fir
st-ai dkit (softsided) 1isin thetrunk inthe
lef t-hand orright-h andstor ag ene t,depending
on themodel.
% Depen dingontheve hicle's equipment, the
fi rs t-ai dkit (sof t-si ded) isin there cess inthe
side trim. Flat
tire No
tesin theeve ntofaflat tire &
WARNIN GRisk ofacci dent dueto aflat
tir e
A flat tirese verely affects thedr iving charac‐
te rist ics aswellas thesteer ing and braking
of theve hicle.
Ti re swith outrun-flat charact eristics : #
Donotdr ive wit haflat tire. #
Chan getheflat tireimm ediat elywit han
emer gency sparewheel orspar ewheel.
Alt ernat ivel y, consu ltaqu alif ied spe‐
cialis two rkshop.
Ti re swith run-flat charact eristics : #
Obse rveth einf ormation andwarning
no teson MOExt ended tires (run-f lat
tir e). 266
Breakdo wnassis tance

In
theeve ntofaflat tire, thefo llo wing option s
ar eav ailable dependingon your vehicle's equip‐
ment :
R Vehicl eswith MOExt endedtir es: itis pos‐
sibl eto continu eth ejour neyfo ra shor t
per iod oftime. Makesur eyo uobse rveth e
no teson MOExt ended tires (run-f lattires)
(/ page26 7).
R Vehicl eswith aTIREF ITkit: youcan repair
th etir eso that itis poss ibletocontinu eth e
jou rney fora shor tper iod oftime. Todo this,
use theTIREFI Tkit (/ page268).
R Vehicl eswith Mercedes meconne ct:you
can makeacal lfo rbr eakdo wnassi stanc evia
th eove rhead control panel inthecase ofa
br eakdo wn(/ page232).
R Allvehicl es:chang eth ewheel
(/ page31 1).
% The emerg encysparewheel isonl yav ailable
in cer tain coun tries. No
teson MOExt ended tires (run-fl attires) &
WARNIN GRisk ofacci dent whendr ivi ng
in limp -hom emod e
Whe ndr ivi ng ineme rgency modeth ehan‐
dling charact eristic sar eim pair ed. #
Donotexc eed thespecif iedmaximum
speed oftheMOEx tende dtir es. #
Avoid anyabr uptst eer ing and driving
maneuv ersas wellas drivin gove r
obs tacle s(cu rbs, pothol es, off-r oa d).
Thi sap plies, in pa rticular ,to aloaded
ve hicle. #
Stop driving intheemer gency mod eif
yo uno tic e:
R Ban gingno ise
R Vehicle vibration
R Smok ewhic hsmells likeru bber
R Contin uousESP®
int erve ntio n
R Crac ks inthetir eside walls #
Afterdr iving inemerg encymode, have
th erims checkedby aqu alif ied spec ial‐ is
two rkshop withre ga rd totheir further
use. #
The defective tir emus tbe replaced in
eve rycase . Wi
th MOExt ended tires (run-f lattires), youcan
co ntinue todrive yo ur vehicle evenif th er eis a
tot alloss ofpressur ein on eor mor etir es. How‐
eve r,th etir eaf fect ed mus tno tsho wan ycle arly
vis ible da mag e.
Yo ucan recogni zeMOExt endedtir es by the
MOExt ended marking whichappea rson theside
wa llof thetir e.
Ve hicl eswith tirepr ess urelos swa rning sys‐
te m: MOExt endedtires ma yonly beused incon‐
junc tionwi th an act ivat ed tirepr essur eloss
wa rning system.
Ve hicl eswith tirepr ess uremonit oring sys‐
te m: MOExt endedtires ma yonly beused incon‐
junc tionwi th an act ivat ed tirepr essur emon itor‐
ing system. Br
eakdo wnassis tance 26
7

If
apr essur eloss warning mess ageappear sin
th emultifunc tiondispla y,proceed asfollo ws :
R Chec kth etir es fordama ge.
R Ifdr iving on,obser vethefo llo wing notes.
Dr iving distance possible inemer gency
mode afte rthe pres sur elo ss wa rning: Load
condit ion Driving distance pos‐
sible inemer gency
mode
Pa rtiall yladen 50miles (80km)
Fu lly laden 19mile s(30 km) The
driving distance possi ble in eme rgency
mod ema yva ry dependin gon thedr iving style.
Obser vethemaximum permissible speedof
50 mph(80 km/h).
If atir ehas gone flat and cannotbe replaced
wit han MOEx tende dtir e, youcan useast and‐
ar dtir eas ate mp orarymeasur e. TIREFIT
kitstorage location The
TIREF ITkit islocat edunder thetrunk floor . 1
Tire seala ntbottle
2 Tire inflation compressor
Depe ndingon themodel, theTIREFI Tkit may
also belocat edinother places underthetrunk
fl oor . Using
theTIR EFIT kit Re
quired tools:
R Tire seala ntbottle
R TIREFIT sticke r R
Sticke rwit hde tails ofthemaximum permis‐
sible speed
R Tire inflation compressor
R Gloves
TIREFIT kitstor ag elocation: (/page268)
Yo ucan useTIRE FITtir esealan tto seal perfora ‐
tio nda ma geofup to0.16 in(4 mm), particular ly
th ose inthetir econ tact surface. Youcan use
TIRE FITin out side temp eratur esdown to-4 °F
(-20 °C). &
WARNIN GRisk ofacci dent whenus ing
tir esea lant
The tiresea lant ma ybe una ble to seal the
tir epr op erly,es pe cia llyinthefo llo wing
cases :
R Ther ear ecut sor punc tures inthetir e
lar gerth an damag epr ev iousl ymen ‐
tion ed.
R The wheel rim isdama ged.
R Youha ve driven atvery low tirepr essur e
or on aflat tire. 268
Break down assis tance

#
Remo vesticke r2 from thetir esealant bot‐
tle and affix it nea rth eva lve on thewheel
wit hth efa ulty tire. #
Pull plug 7withth ecable andfiller hose 3
out ofthetir einf lation compressor housing. #
Inser ttir esealant bottle 9 insoc ket6 of
th etir einf lation compressor insuc hawa y
th at there dar row ontiresealant bottle 9 matc
hesthere dar ro w on thetir einf lation
com pressor . #
Turn tirese alant bottle 9aqu artertur n
cloc kwise . #
Inser tth eplug offiller hose 3insoc ket5
of tirese alant bottle 9. #
Turn filler hose 3aqu artertur ncloc kwise . #
Remo vetheva lve cap from valve A onthe
fa ulty tire. #
Screw union nut4offiller hose 3onto
va lve A. #
Inser tplug 7intoa12 Vsoc ketin your
ve hicle. #
Turn theSmar tKey toposition 0047intheigni‐
tion lock. #
Press onand offswitc h8 onthetir einf la‐
tion compressor .
The tireinf lation compressor isswitc hedon.
The tireis inf lated. First,tir esealant ispum‐
ped intoth etir e. The pressur ema ybr ief ly
ri se toappr oximat ely500 kPa(5 bar/7 3psi).
Do notswitc hof fth etir einflat ioncom pres‐
sor during this pha se! #
Letth etir einf lation compressor runfo ra
maximu mof tenminu tes.
The tireshould then have attaine datir e
pr essur eof at leas t20 0kP a(2. 0bar/
29 psi).
If tir esealan tleak sout ,mak esur eyo ucle an the
af fect ed area asquickl yas possible .It is prefer a‐
ble touse clean water.
If yo uge ttir ese alant onyour clo thing, have it
clean edassoon aspossible withper chlor oethy‐
len e. 27
0
Brea kdo wnassista nce

Mer
cedes-Ben zre comme ndsthat youon ly
use batteries whic hha ve been tested and
appr ovedfo ryo ur vehicle byMer cedes-Ben z.
R Use detac hable partssuc has vent hos es,
el bo wfitting sor term inal covers from the
batt erywhic his to be replaced.
R Mak esur eth at theve nt hos eis alwa ys con‐
nect edtotheor iginal opening ontheside of
th ebatt ery.
Ins tallan yex istin gor supplied cellcaps.
Ot her wise, gases orbatt eryacid could
escape.
R Mak esur eth at detach able partsarere con‐
nect edinthesame way. To
w star ting ortowing away Pe
rm itted towing methods Mer
cede s-Ben zre comme ndstransp orting your
ve hicle inthecase ofabr eakdo wn,rath er than
to wing itaw ay.
Fo rto wing, useato w rope ortow bar withbo th
axle son thegr ound. Donotuse tow bar sys‐
te ms. &
WARNIN GRisk ofacci dent whento wing
wit hsteer ing wheel lock
Yo uwill nolongerbe ableto steer theve hicle
if th esteer ing wheel lockis eng aged. #
Alw aysswitc hon theignition whentow‐
ing theve hicle withato w cable orato w
bar . *
NO
TEDama getotheve hicle duetotow‐
ing away inc orrectl y #
Obs erve theins truction sand noteson
to wing away. 27
8
Brea kdo wnassista nce

*
NO
TEDama gedue totowing away at
exc essiv elyhigh speeds orove rlong dis‐
ta nces The
drivet ra in could bedamag edwhen tow‐
ing atexc essiv elyhigh speeds orover long
dis tances. #
Atowing speed of30 mph(50 km/h)
mus tno tbe exc eeded. #
Atowing distan ceof30 miles(50 km)
mus tno tbe exc eeded. &
WARNIN GRisk ofacci dent whento wing
a ve hicle whichis toohea vy
If ano ther vehicle istow- star tedor towe d
aw ay,its weight mustno texc eed theper mis‐
sible gross mass ofyour ow nve hicle, other‐
wise thefo llo wing could occur:
R The towing eyema ybecome detach ed.
R The vehicle/tr ailercombination may
sw erve oreve nro llo ver. #
Ifano ther vehicle istow- star tedor
to we daw ay,its weight mustno texc eed th
eper missible gross mass ofyour ow n
ve hicle. If
ave hicle mustbe tow- star tedor towe daw ay,
its per missib legross weight mustno texc eed the
per missible gross weight oftheto wing vehicle. #
Information ontheper missible gross mass of
th eve hicle canbefound ontheve hicle iden‐
tif ication plate(/ page322). #
Vehicl eswith automatic transmiss ion:Do
no topen thedr iver's door orfront passeng er
door ,ot her wise theaut omatic transmiss ion
aut omaticall yshif tsto position 005D. #
Installth eto wing eye(/ page282). #
Fasten theto w bar .
* NO
TEDama gedue toinc orrect connec‐
tion oftheto w bar #
Onlyconnect theto w rope ortow bar to
th eto wing eyes. #
Deact ivat eth eaut omatic locking mechanism
(/ page71 ). #
Donotactiv ateth eHOLD function. #
Deact ivat eth eto w- aw ay alar m(/ page85) . #
Deact ivat eAc tiveBr ak eAssi st
( / pag e17 7). #
Vehicl eswith automatic transmiss ion:
Shif tth eaut omatic transmiss iontoposition
005C. #
Release theelectr icpar king brak e. #
Switc hon theignition ,ot her wise thesteer ing
wheel locking mayeng age. &
WARNIN GRisk ofacci dent dueto limi‐
te dsaf ety-re lat ed func tionsdur ing the
to wing proce ss
Saf ety-re lat ed func tionsar elimit edorno lon‐
ge rav ailable inthefo llo wing situat ions:
R The ignit ionisswitc hedoff.
R The brak esy stem orpowe rst eer ing sys‐
te m ismalfu nctioning.
R The ener gysupp lyor theon- boar delectr i‐
cal system ismalfunct ioning. 280
Breakdo wnassis tance

When
your vehicle isthen towe daw ay,signif ‐
icant lymor eef fort ma ybe requ ired tosteer
and brak eth an isno rm allyre qu ired. #
Use ato w bar . #
Mak esur eth at thesteer ing wheel can
mo vefreely beforeto wing theve hicle
aw ay. *
NO
TEDama gedue toexcess ive tracti ve
po we r If
yo upull away shar ply, thetractiv epo we r
ma ybe toohigh andtheve hicles couldbe
damag ed. #
Pull away slo wlyand smoo thly. Lo
adi ng the vehicl efo rtr ans port #
Obser vetheno teson towing away
( / pag e27 9). #
Con nect theto w bar totheto wing eyein
or der toload theve hicle. #
Vehicl eswith automatic transmiss ion:
Shif tth eaut omatic transmiss iontoposition
005C.
% Ve
hicl eswith automatic transmiss ion:
The automatic transmiss ionmaybe locked
in posit ion005Dintheeve ntofdama getothe
electr icalsystem. Toshif tto 005C ,pr ov ide the
on-boar delectr icalsystem withpo we r
( / pag e27 6). #
Load theve hicle ontoth etra nspor ter. #
Vehicl eswith automatic transmiss ion:
Shif tth eaut omatic transmiss iontoposition
005D. #
Use theelectr icpar king brak eto secur eth e
ve hicle agains tro lling away. #
Onlysecur eth eve hicle bythewheels. Ve
hicl eswith adaptivedam ping adjus tment &
WARNIN GRisk ofan acci dent when
tr ansp orting vehicles withadap tive
dam ping adjus tment
When transpor tingvehicles withadap tive
dam ping adjus tment ,th eve hicle/tr ailer
combination maybegin torock and star tto
skid. #
Load theve hicle correctl yont oth e
tr ans porter . #
Secur eth eve hicle onallfour wheel s
wit hsuit able tensi oni ng stra ps. #
Donotexc eed themaximum permissi‐
ble speed of35 mph(6 0km/h) when
tr anspo rting. *
NO
TEDama getotheve hicle from secur‐
ing itincor rectl y #
Afterloa ding, theve hicle mustbe
secur edon allfour wheel s.Ot her wise,
th eve hicle could bedamag ed. Br
eakdo wnassis tance 28
1

#
Amini mumdist anc eof 8in (20 cm)
upw ards and 4in (10 cm )do wn wards
mus tbe kept tothetranspor tplatf orm. #
Secur eth eve hicle onallfour wheel saf te r
loading .
4MA TICvehicl es/vehicl eswith automatic
tr ansmiss ion #
Mak esur eth at thefront and rear axle scom e
to rest on thesame transpor tatio nve hicle. *
NO
TEDama getothedr ivet ra in due to
inc orrect pos itioning #
Donotpos ition theve hicle abovethe
connecti onpointofthetranspor tve hi‐
cle. To
wing eyesto rage location The
towing eyeis locat edinthestor ag espace
under thetrunk floor . Ins
talling theto wing eye #
Press themar kon cover1 inwa rdsand
re mo ve. #
Screw intheto wing eyecloc kwiseasfaras it
wil lgo and tight en.
% Mak esur eth at cover1 eng ages inthe
bum perwhen youre mo vetheto wing eye. 282
Breakdo wnassis tance

No
teson noise orunusua lhand lingcharac‐
te rist ics
Mak esur eth er ear eno vibr ations, noisesor
unusual handling charact eristic swhen theve hi‐
cle isin mo tion. Thismayindicat eth at the
wheels ortires aredamag ed.Hidde ntir edam‐
ag ecould alsobecausin gth eunusual handling
ch aract eristic s.
If yo ususp ectthat atir eis malf unctionin g,
re duce your spee dimm ediat elyand have the
tir es and wheelsch eckedat aqu alif ied spec ialist
wo rkshop. No
teson regular lyinspect ingwheels and
tir es &
WARNIN GRisk ofinju rythro ugh dam‐
ag ed tires
Dam aged tires can caus etir epr ess ureloss . #
Chec kth etir es regular lyforsigns of
dama geand replace anydamag edtires
immediat ely. &
WARNIN GRisk ofhydroplaning dueto
insuf ficie nttiretrea d
Insu fficien ttir etread willresult inreduced
tir egr ip.
In hea vyrain or slush therisk ofhydroplaning
is incr eased, inpar ticular wherespeed isno t
adap tedto suit thecon ditions . #
Thus, yousho uld regular lych eckth e
tr ea dde pthand thecon dition ofthe
tr ea dacr oss theent ire widt hof all tires.
Minimum tread depthfor:
R Summ ertires: 00CEin(3 mm)
R M+S tires: 00CFin (4mm) #
Forsaf etyre ason s,replace thetir es
bef oreth eleg ally -prescr ibed limit for
th eminimum tread depthisreac hed. Car
ryout thefo llo wing checks on allwheels reg‐
ular ly,at leas tonce amont hor as requ ired, for
ex am ple, prior toalon gjo ur ne yor drivin gof f-
ro ad:
R Chec kth etir epr essur e(/ page288). R
Visual lyinspect wheelsandtires fordama ge.
R Chec kth eva lve caps.
R Visual checkof thetir etread depthand the
tir econt actsurface across theent ire widt h.
The minimum tread depthforsummer tires is
00CE in(3 mm) andforwint ertires 00CF in
(4 mm). Six
mar ks1 showwher eth ebar indicat ors
(ar row )ar eint egr ated intoth etir etread. They
ar evisible onceatir etread depthofappr ox‐
imat ely00CD in(1.6 mm) hasbeen reac hed. Whee
lsand tires 28
7