ESP MERCEDES-BENZ GLA 2022 Owners Manual

NN
o o
t t
es on sno es
on sno wc w
chains hains
&
W W
ARNIN G ARNIN
GRisk ofaccident duetoincor -
re ctl yins talled snowch ains
If yo uha ve inst alled snowch ains tothere ar
wheels, they ma ydr ag agains tth eve hicle
body orchassis components. #
Neverinst allsno wch ains onthere ar
wheels. #
Onlyins tallsno wch ains onthefront
wheels inpair s. *
N NO O
TE TE
Damag eto vehicle body orsuspen -
sion compone ntscaused byinst alled
sno wch ains On
4MA TICvehicles, ifyo uinst allsno wch ains
on there ar wheels, youcan damag eve hicle
body orsuspen sioncompone nts. #
On4MA TICvehicles, onlyins tallsno w
ch ains onthefront wheels. *
N NO O
TE TE
Damag eto thewheel trim from
mount edsno wch ains If
sno wch ains aremoun tedto stee lwh eels,
th ewheel trims can bedamag ed. #
Remo vethewheel trims ofsteel wheels
bef oremounting snowch ains. Obser
vethefo llo wing noteswhen usingsno w
ch ains:
R Snow chains areonl yper missib leforcer tain
wheel/tir ecombinations. Youcan obtain infor-
mation aboutthis from anaut hor ized
Mer cedes-Benz Center.
R Forsaf etyre asons, onlyuse snowch ains that
ha ve been speci/call yappr ovedfo ryo ur vehi-
cle byMer cedes-Be nz,orsno wch ains with
th esame qualit yst andar d.
R Ifsno wch ains areins talled, themaximum per-
missible speedis30 mph(5 0km /h).
R V V
eh icle swi t eh
icle swi th A h
Act iv ct
ive P e
Par ar
king Assist ki
ng Assist : :
Do not
us eAc tivePa rking Assist whensnowch ains
ar eins talled. %
Youcan deactiv ateESP ®
to pull away
( / pag e172). Thisallowsthewheels tospin ,
ac hie vingan incr eased drivi ng forc e. TT
ir ir
e pr e
pr essur e essur
e NNo o
t t
es on tir es
on tirepr e
pr essur e essur
e &
W W
ARNIN G ARNIN
GRisk ofaccident duetoinsu1-
cient orexcessiv etir epr essur e
Un der in0a tedor ove rin0at edtire spose inpar -
ticu larthefo llo wing risk s:
R The tires can burst.
R The tires can wearexcessiv elyand/ or
une venly.
R The driving charact eristics aswellas the
st ee ring and brak ing charact eristics may
be greatl yim pair ed. #
Com plywit hth ere commen dedtirepr es-
sur esand checkth etir epr essur eof all
tir es, including thespar ewheel, regu-
lar ly: Wheels
andtires
307 307

per
mit anyre liable conclusion aboutthetir epr es-
sur e.
Onl ycor rect tirepr essur ewhen thetir es arecold.
Conditions forcold tires:
R The vehicle hasbeen parkedwit hth etir es out
of dir ect sunlight forat least thre ehour s.
R The vehicle hastrav eled lessthan 1mile
(1.6 km).
The vehicle' stir es heat upwhen drivi ng .As the
te mp eratur eof thetir es incr eases, sotoodoes
th etir epr essur e.
V V
ehicles wit ehicles
withatir h
atir epr e
pr essur essur
emonit e
monit or or
ing syst ing
system: em:
Yo ucan also checkth etir epr essur eusing theon-
boar dcom puter.
The tirepr essur ere commen dedforincr eased
load/speed inthetir epr essur eta ble can a.ect
th eride comf ort. &
W W
ARNIN G ARNIN
GRisk ofaccident duetounsuit a-
ble acces sories ontireva lves
If yo umount unsuitableacces sories ontotir e
va lves, thetir eva lves ma ybe overloaded and malfunction,
whichcan cause tirepr essur e
loss. #
Onlyscr ew stan da rd valve caps orvalve
caps speci/call yappr ovedby Mer cedes-
Benz foryo ur vehicle ontoth etir eva lve. TT
ir ir
e pr e
pr essur essur
et e
table able
The
tirepr essur eta ble ison theinside ofthefuel
/ller 0ap.
% The datasho wnintheimag esisex am ple
dat a. The
tirepr essur eta ble showsthere commen ded
tir epr essur efo rall tires appr ovedfo rth is vehicle.
The recommen dedtirepr essur esappl yfo rcold
tir es under various oper ating condition s,i.e. load-
ing and/or speedoftheve hicle.
If one ormor etir esize spr ecede atir epr essur e,
th efo llo wing tirepr essur einf ormation isonl yva lid
fo rth ose tiresizes andtheir respect ive load con-
diti on.
The load cond itions "partiallyladen" and"fully
laden" arede/n edintheta ble fordi.er entnum-
ber sof passeng ersand amounts oflugg age. The
actual number ofseats maydi.er from this. Wheels
andtires
309 309

Som
etir epr es su re tables onlysho wtherim diam-
et er inst ead ofthecom pletetiresize, e.g.R18 R18
.
The rim diame teris par tof thetir esize andcan
be found onthetir eside wall(/ page321).
R Tire and Loadi ngInformatio nplacar d
(/ page314)
R Maxim umtirepr essur e(/ page320) ChecChec
kingt king
the tir he
tirepr e
pr essur essur
emanu ally e
manu ally #
Read thetir epr essur ere commen dedforth e
cur rent ope rating condi tions from theTire and
Loadi ngInformatio nplacar dor thetir epr es-
sur eta ble. Obser vetheno teson tirepr essur e. #
Remo vetheva lve cap ofthetir eto be
ch ecked. #
Press thetir epr essur ega ug esecur elyont o
th eva lve. #
Read thetir epr essur e. #
Ifth etir epr essur eis lowe rth an there com-
mende dva lue, increase thetir epr essur eto
th ere commen dedvalue. #
Ifth etir epr essur eis higher than there com-
mende dva lue, release air.To do so, press
do wn theme talpin intheva lve, e.g. using the
tip ofapen. Then, checkth etir epr essur e
ag ain using thetir epr essur ega ug e. #
Screw theva lve cap ontoth eva lve.
Fu rther relat ed subjects:
R Noteson tirepr essur e(/ page307)
R Tire pressur eta ble (/ page309) R
Tire and Loadi ngInformatio nplacar d
(/ page314) TT
ir ir
e pr e
pr essur essur
emoni t e
moni tor or
ing syst ing
system em
FF
unct ionoft unct
ionofthe tir he
tirepr e
pr essur essur
emoni t e
moni tor or
ing syst ing
system em
&
D D
AN AN
GER GER
Riskofacciden tdue toincor rect
tir epr essur e
Eac htir e, incl udin gth espar e(if pro vided),
should becheckedmont hlywhen coldand
in0a tedto thein0 ation pressur ere commen -
ded bytheve hicle manu factur eron theve hi-
cle placar dor tirein0ation pressur elabel .(If
yo ur vehicle hastires ofadi.er entsize than
th esize indicat edon theve hicle placar dor
tir ein0ation pressur elabel ,yo ushould deter-
mine thepr oper tirein0 ation pressur efo r
th ose tires.)
As anadded safetyfe atur e,your vehicle has
been equipped withatir epr essur emoni toring
sy stem (TPMS) that illu min ates alow tirepr es-
sur ete lltale when oneormor eof your tires is
sign i/ca ntly under -in0at ed. Accor ding ly,when 310310
Wheel
sand tires

th
elow tirepr essur ete lltale illuminat es,you
should stop and checkyo ur tires assoon as
possible, andin0ateth em tothepr oper pres-
sur e.Driving onasign i/can tlyu nde r-in0 ated
tir ecauses thetir eto overheat andcanlead
to tirefa ilur e.Under -in0at ion also reduces fuel
e1ciency andtiretread life, and maya.ect
th eve hicle ’shandl ingand stoppin gabili ty.
Ple ase note that theTPMS isno ta substitut e
fo rpr oper tiremaint enance, anditis thedr iv-
er ’s responsi bilityto maint aincorrect tire
pr essur e,even ifunder -in0at ion has not
re ac hed theleve lto trigg erillum inatio nof the
TPMS low tirepr ess urete lltale.
Yo ur vehicle hasalso been equipp edwith a
TP MS malf unct ionindicat ortoindicat ewhen
th esy stem isno toper ating proper ly.The
TPMS malfunction indicatoris combined with
th elow tirepr essur ete lltale. When thesy stem
de tects amalfu nction, thete lltale will 0ashfo r
appr oximat elyone minut eand then remain
contin uouslyillumin ated. This sequence will
contin ueupon subseq uentvehicle star t-ups as
lon gas themalfunction exists. When
themalfunction indicatorisilluminat ed,
th esy stem mayno tbe able todetect or sign al
lo w tirepr essur eas intende d.TPMS malfu nc-
tion sma yoccur fora va riet yof reasons,
incl udin gth einst allation ofreplacement or
alt ernat etir es orwheels ontheve hicle that
pr eve nttheTPMS from function ingproper ly. The
system checks thetir epr essur eand thetir e
te mp eratur eof thetir es inst alled ontheve hicle by
means ofatir epr essur esensor .
The tirepr essur eand thetir ete mp eratur eappear
in theon-boar dcom puter(/ page311).
If th er eis asubst antial pressur eloss orifth etir e
te mp eratur eis excessiv e,youwill bewarned with
displa ymessag es(/ page394) orthe0077
wa rning lampin theinst rument cluster
(/ page414).
The tirepr essur emonit oring system isonl yan aid.
It is thedr iver's responsi bilityto setth etir epr es-
sur eto there commen dedcold tirepr essur esuit a-
ble forth eoper ating situation.
In most cases ,th etir epr essur emonit oring sys-
te m will automaticall yupdat eth ene wrefere nce va
lues aTer youha ve chang edthetir epr essur e.
Yo ucan, howev er,also updat eth ere fere nce val-
ues byrestar ting thetir epr essur emonit oring sys-
te m manuall y(/ page312).
Sy st Sy
stem limits em
limits
The system maybe impair edorma yno tfun ction
par ticular 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 Ther eis amalf unct ioncaused byano ther
ra dio signal source
Chec Chec
kingt king
the tir he
tirepr e
pr essur essur
ewit e
wit ht h
the tir he
tirepr e
pr essur e essur
e
monit monit
or or
ing syst ing
system em
R R
eq equir uir
ements: ements:
R The vehicle isswitc hedon.
On- boar dcom puter:
4 Service5
Tires
One ofthefo llo wing displa ysappear s:
R Current tirepr ess ureand tirete mp eratur eof
th eindividual wheels: Wheels
andtires
311 311

R
Tire pressure willbedisplay edafter driving a
few minutes
R Tire Pressure MonitorActive: thete ac h-in
pr ocess ofthesy stem isno tyet com plete.The
tir epr ess ures arealr eady being monitored. #
Com pareth etir epr essur ewit hth ere com-
mende dtir epr essur efo rth ecur rent ope rating
condi tion(/page309) .Ad ditionall y,obser ve
th eno teson cold tires (/ page307).
% The values displa yedin theon-boar dcom-
put erma yde viat efrom those ofthetir epr es-
sur ega ug eas they referto sea leve l.At high
ele vations, thetir epr essur eva lues indicat ed
by apr essur ega ug ear ehigher than those sho
wnbytheon-boar dcom puter.In this case,
do notre duce thetir epr essur e.
R R
est est
ar ar
ting t ting
the tir he
tirepr e
pr essur essur
emonit e
monit or or
ing syst ing
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 onallof
th ewheels (/page307).
Re star tth etir epr essur emonit oring system inthe
fo 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 Touc hContr olon the
leT-h andside ofthesteer ing wheel.
The Use Curre ntPressure sas New Refer-
ence Valuesmessag eis sho wnintheInstr u-
ment Displa y. #
Torestar t,pr es sTo uc hContr olon theleT-
han dside ofthesteer ing wheel.
The Tire Press. Monitor Restarted messageis
sho wnintheInstr ument Display.
Cur rent wa rning messa gesar edele tedand
th eye llo w0077 warning lampgoes out.
ATer youha ve been driving fora few minut es,
th esy stem checks whe ther thecur rent tire
pr ess ures arewit hin thespeci/ed rang e. The
cur rent tirepr ess ures areth en accep tedas
re fere nce values andmonit ored.
Be sureto also payatt ent ion tothefo llo wing rela-
te dto pic:
R Noteson tirepr essur e(/ page307) TT
ir ir
e pr e
pr essur essur
eloss w e
loss war ar
nin gsy st nin
gsy stem em
FF
unct ionoft unct
ionofthe tir he
tirepr e
pr essur essur
eloss w e
loss war ar
nin gsy st nin
gsy stem em
The tirepr essur eloss warning system warnsth e
dr iver by means ofdispla ymessag eswhen ther e
is ase vere tirepr ess ureloss . 312312
Whee
lsand tires

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(/ page307)
R Displ aymessag esabout thetir es
(/ page394)
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(/ page307) Wheel
sand tires
313 313

we
llon thego vernment courseasatir egr aded
100.
The relativ eper form ance oftires depen dsupon
th eactual conditions oftheir use, howev er,and
ma ydepar tsign i/can tly from thenor mdue tovar-
iations indriving habits, service practices anddif-
fe re nces inroad charact eristics and climat e.
T T
r r
actio ngr actio
ngr ade ade
&
D D
AN AN
GER GER
Riskofacciden tdue toinade-
qu atetractio n
The tractio ngr ade assign edtothis tireis
based onstraight-ahead braking traction
te sts . #
Alwaysadap tyo ur driving styleand drive
at aspeed tosuit thepr ev ailin gtra1c
and weather cond itions. *
N NO O
TE TE
Damag eto thedr ivet ra in from
wheelsp in #
Avoid wheelspin. The
traction grades, from highe stto lowe st, are
AA ,A, B,and C.Tho segrades repr esent thetir e's
ability tostop onwetpa vement asmeasur ed
under controlled conditi onsonspeci/ed govern-
ment test surfaces ofasphalt andconcr ete. Atir e
mar kedC ma yha ve poor traction perform ance.
T T
em em
per per
atur atur
egr e
gr ade ade
&
W W
AR NIN G AR
NIN GRisk ofacciden tfr om tireove r-
heati ngand tirefa ilur e
Ex cessiv espeed, underin0ation, orexcessiv e
loadin g,eit her separ atelyor incombin ation,
can cause excessiv eheat build-upand possi-
ble tirefa ilur e. #
Obser vethere commen dedtirepr essur e. #
Regula rly ch eckth epr essur eof all the
tir es. #
Adjust thetir epr essur e,ifnecessar y. The
temp eratur egr ades areA (the highe st), B,
and C,repr esentin gth etir e's resis tance tothe
ge ner atio nof hea tand itsability todissipat eheat
when tested und ercontroll edcond itio ns on a
sp ec i/ed indoorla bo ratory test wh eel.Sust ained hi
gh temp eratur ecan cause themat erial ofthe
tir eto deg ener ateand reduce tirelife, and exces-
siv ete mp eratur ecan lead tosudden tirefa ilur e.
The grade Ccor respond sto aleve lof per form -
ance whichall passen gercar tires must meet
under theFe der alMo torSaf etySt andar dNo .
109. Grades Band Arepr esent higher leve ls of
per form ance onthelabor ator yte st wh eelth an
th eminimum requ ired bylaw. DO
T DO
T, T ,
Tir ir
e e
Ident i/cation Ident
i/cationNumber (TIN) Number
(TIN) US
tirere gula tions stipula tethat everytir emanu-
fa ctur eror retread ermus tim print aTIN inor on
th eside wallof eac htir epr oduced. Wheels
andtires
319 319

%
The datash ow nin theimag eis ex am ple data.
The TINisauni queident i/cationnumber toiden-
tify tires and comprises thefo llo wing:
R DO DO
T(Depar T
(Depar tmentofTr tment
ofTranspo rt anspo
rtatio n): atio
n):tiresym-
bol mar ks1 indicating that thetir ecom plies
wit hth ere qu irements oftheUS Depar tment
of Transpo rtatio n.
R Man uf Man
ufactur actur
er er
identi/cation identi/cation
code: code:
manufac-
tur eridenti/cation code2cont ains details of
th etir emanuf acturer.Ne wtires have acode
wit htw osymbols. Retread edtires have acode
wit hfo ur symbo ls.Further informatio non
re treade dtir es (/ page325).
R T T
ir ir
e size: e
size: identi/er 3desc ribes thetir esize.
R T T
ir ir
e type code: e
type code: tiretype code 4can beused
by themanuf actureras acode todescr ibe
speci/c charact eristics ofthetir e.
R Manuf Manuf
actur actur
ingdat ing
date: e:
manuf acturingdate5
pr ov ides information abouttheag eof atir e.
The 1stand 2nd positions repr esent thecal-
endar week and the3r dand 4thpositions
st at eth eye ar ofmanu factur e(e.g. "3208 "
re pr esents the32nd week of2008). InfInf
or or
mation ont mation
onthe maximum tir he
maximum tireload e
load %
The datasho wnintheimag eis ex am ple data.
Maxim umtireload 1isthemaximum permissi-
ble weight forwhic hth etir eis appr oved.
Do notove rload thetir es by exceedin gth especi-
/ed load limit. Themaximum permissible loadcan
be found ontheve hicle' sTire and Loadi ngInfor-
matio nplacar don theB-pillar onthedr iver's side
(/ page314). Speci/
cations Speci/
cations f f
or maximum tir or
maximum tirepr e
pr essur e essur
e %
The datasho wnintheillust ration isex am ple
dat a.
Ne verex ceed maximum tirepr essur e1 speci-
/ed forth etir e. Alw aysobser vethere commen -
ded tirepr essur efo ryo ur vehicle when adjusting
th etir epr essur e(/ page309). 320320
Wheels
andtires

InfInf
or or
mati onontir mati
onontirec e
char har
act act
er er
is is
tics tics
%
The datasho wnintheimag eis ex am ple data.
This informatio ndescr ibesthetype oftirecor d
and thenumber oflaye rs inside wall1 and
under tiretread 2. TT
ir ir
e size designation, load-bear e
size designation, load-bearingcapac ity ing
capac ity,speed ,
speed
r r
ating andload index ating
andload index &
W W
ARNIN G ARNIN
GRisk ofinjur yth ro ugh exceed-
ing thespeci/ed tireload-bear ingcapa-
city ortheper missible speedrating
Ex ceed ingthespeci/ed tireload rating orthe
per missible speedrating maylead totiredam -
ag eand tothetir es bur stin g. #
Ther efor e, onl yuse tiretypes andsizes
appr ovedfo ryo ur vehicle model . #
Obser vethetir eload rating andspee d
ra ting requ ired foryo ur vehicle. 1
Firs tle tter( s)
2 Nominal tirewidt hin milli meters
3 Aspe ctratio in%
4 Tire code
5 Rim diame ter
6 Load-be aring inde x
7 Speed rating
8 Load index
% The datasho wnintheillust ration isex am ple
dat a.
Inf ormatio nabout readin gtir edat acan be
obt aine dfrom anyqu ali/ed special istwo rkshop. Wheel
sand tires
321 321

FF
ir s ir
st le t
le tt tt
er(s) er(s)
1 1: :
R Without: passeng ervehicle tires accor dingto
Eur opean manufacturingstandar ds.
R "P": passeng ervehicle tires accor dingto US
manu factur ingstandar ds.
R "LT": light truc ktir es accor dingtoUS manu -
fa ctur ingstandar ds.
R "T": com pact emer gency sparewheels with
high tirepr essur eth at areonl ydesig nedfor
te mp oraryuse inan emer gency .
Aspe ctr Aspe
ctratio atio
3 3: :
Ra tio between tireheigh tand tirewidt hin per cent
(tir eheigh tdivide dby tirewidt h).
T T
ir ir
e cod e e
cod e4 4
(tir (tir
etype ): e
type ):
R "R"radial tire
R "D": bias plytir e
R "B": bias beltedtires
R "ZR": radial tirewit hamaximum speedabove
149 mph(2 40 km/h)(o pt ional) Rim
diame t Rim
diame ter er
5 5: :
The diame terof thebead seat(notth ediame ter
of therim 0ang e).The rim diame teris speci/ edin
inc hes (in).
Load-bear Load-bear
inginde ing
inde x x
6 6: :
Numer icalcode that speci/es themaximum load-
bear ingcapac ityofatir e(e.g. "91"correspond s
to 1356 lbs(615 kg)).
The load-bear ingcapa cityofthetir emust beat
least halfthegr oss axle weight rating ofyour vehi-
cle. Donotove rload thetir es by exceedin gth e
speci/ed loadlimit.
Se ealso:
R Maximu mper missibl eload ontheTire and
Loadi ngInformatio nplacar d(/ page314)
R Maxim umtireload (/page320)
R Load index
Spe edr Spe
edrat ing at
ing 7 7: :
Sp eci/es theappr ovedmaximum speedofthe
tir e. %
Anelec tronic speedlimit erprev ents your
ve hicle from exceedin gaspeed of130 mph
(210 km/h ).
Mak esur eth at your tires have there qu ired speed
ra ting. Youcan obtain information onthere qu ired
speed rating from anaut hor ized Mercede s-Benz
Cent er.
Summer tir Summer
tires es
Inde
x Inde
x Speedr Speed
rating ating
Qu pto 100 mph(1 60 km/h)
Ru pto 106 mph(1 70 km/h)
Su pto 112 mph(1 80 km/h)
Tu pto 118 mph(1 90 km/h)
Hu pto 130 mph(2 10 km/h)
Vu pto 149 mph(2 40 km/h)
Wu pto 168 mph(2 70 km/h)
Yu pto 186 mph(3 00 km/h) 32
2 32
2 Wh
eelsan dtire s