2020 MERCEDES-BENZ GLA SUV brake pads

Note
son bre aking-in ane wve hic le Impo
rtant safety notes
Th ese nso rsy ste mof some driving and driving
sa fety syste ms adjus tsautoma tically wh ile a
cer taindista nce isbe ing driven after the vehi-
cle hasbe en deliver edorafter repairs. Full
sy ste meff ecti vene ssisnot reache dunti lthe
end ofthistea ch-i npro ced ure.
New andreplaced brakepads and discs only
rea chthe irop tim um braking effect after sev-
era lhu ndr edkilome ters ofdri ving. Compe n-
sa te for thisby applying gre aterfor ce tothe
bra kepedal. The
first 1000 miles(150 0km)
Th emor eyo ulook after the enginewhen itis
new ,the mor esa tis fied youwi llbe with its
pe rfo rma nce inthe futur e.
R Yo usho uld the refore drive atvarying vehicle
and enginespee ds for the first 1000 miles
(15 00km).
R Avoi dhe avylo ad s,e.g .dri ving atfullthro t-
tle ,du ring thispe riod .
R Ch ang ege ar ingo od tim e,be for ethe tach-
ome ternee dle is 00C3 ofthe wayto the red
ar ea ofthe tachomete r.
R Do not manua lly shi ftto alowe rge ar to
bra kethe vehicle.
R Try toavoid de pre ssing the accelera tor
pe dalbe yond the point ofres istanc e(ki ck-
do wn) .
R Ide ally,for the first 1000 miles(15 00km),
dri ve inpro gramE.
Add itiona lbre aking-i nnote sfor Merce des-
AMG vehicles :
R Do not drive faste rtha n85 mph (140km/h )
for the first 1,000 miles(1, 500 km).
R Onl yal lo w the enginetorea chama xim um
eng inespee dof 4,5 00 rpm briefly.
R Ch ang ege ar ingo od tim e.
After 1,000 miles(1, 500 km),yo ucan
incr ease the enginespee dgra dually and bring
the vehicleto fullsp ee d.
Yo usho uld also observe thesenote son bre ak-
ing -in ifthe engineorparts ofthe drive train
on your veh icleha ve been rep laced .
Alw aysob serve the maxim um permi ssible
sp ee d. Dri
ving Impo
rtant safety notes G
WA
RNI NG
Ob jects inthe driver 'sfoo twe llcan restrict
the pedaltra vel orobstru ctade pre sse d
pe dal.Th eop era ting androadsa fety ofthe
veh icleis jeo pardi zed .Th ere isarisk ofan
acc ident.
Ma kesure tha tal lob jects inthe vehiclear e
sto wedcor rectly,and thatthe ycan not ente r
the driver 'sfoo twe ll. Insta llthe floo rma ts
se cu rel yand asspeci fied inord erto ens ure
su fficie ntcle aranc efor the pedals.Do not
us eloose floo rma tsand donot place floo r-
ma tson top ofone another. G
WA
RNI NG
Unsu itable foo twe arcan hinde rcor rect
us ag eof the pedals,e.g .:
R sho eswith thick soles
R sho eswith high heels
R slip pe rs
Th ere isarisk ofan acc ident.
We arsuita ble foo twe arto ens urecor rect
us ag eof the pedals. G
WA
RNI NG
If yo usw itch offthe igniti onwhile dri ving,
sa fety -releva ntfunctio nsareonl yav aila bl e
wi th limi tati ons ,or not atall. Th iscou ld
af fec t,for exa mpl e,the powe rste ering and
the brakeboost ing effect. Youwi llreq uire
cons idera blymor eeff ort toste erand brake.
Th ere isarisk ofan acc ident.
Do not switch offthe igniti onwhile dri ving. G
WA
RNI NG
If the parki ng bra kehasnot been fully
rel easedwh en driving, the parki ng bra ke
can :
R ove rheatand causeafire
R lose its holdfunctio n. 12
4 Dr
ivi ngDr ivi ng andparki ng

take
advantag eof eng inebraking .For this
yo umu stfirst acti vate ma nua lge arshi ftin g.
Thi she lpsyo uto avoid ove rheating the
bra kes and wearing themoutexce ssivel y.
Wh enyoutake advantag eof eng inebraking ,
it is po ssi ble tha ta dri ve wheelwi llnot
rota tefor som etim e,e.g .on aslip pe ry roa d
su rfa ce. Thiscou ldcau sedama getothe
dri ve train. Thistyp eof dama geisnot cov-
ere dby the Merced es-Benz warranty.
Bri eflyde pre ssing the accelera tor pedalon
do wnh ill gra dients while the manua ldri ve pro -
gra mM istemp orarilyacti vated :the automa tic
tra nsmi ssion maysw itch tothe last acti ve
au toma ticdrive pro gramEor S.The automa tic
tra nsmi ssion mayshi ftto ahighe rge ar.Thi s
can reduce theengine'sbra king effect.
He avy and light loads G
WA
RNING
If yo ures tyo ur foo ton the brakepedal
wh ile dri vin g,the braking syste mcan over-
he at. Thisincr easesthe stop ping dista nce
and canevencau sethe braking syste mto
fa il. The reisaris kof an acc ident.
Nev erusethe brakepedalas afoo tres t.
Nev erdepre ssthe brakepedaland the
acc elera tor pedalat the same time.
! Dep
ressing the brakepedalcons tantly
res ults inexce ssive and prematurewe arto
the brakepads.
If the brakes have been subje cted toahe avy
lo ad ,do not stop thevehicleim med iatel y.
Dri veon for asho rtwh ile. Thi sal lo ws the air-
flo wto coo lthe brakes morequ ickl y.
We troad s If
yo uha ve driven foralong tim ein he avyra in
wi thou tbra king ,the rema ybe ade laye drea c-
tio nfro mthe brakes when bra king forthe first
tim e.Thi sma yal so occu raf ter the vehicleha s
be en washe dor driven throughde ep water.
Yo uha ve todepre ssthe brakepedalmor e
fir ml y.Ma inta inagre aterdi sta nce fromthe
veh iclein fro nt.
After drivin gon awe troa dor havin gthe vehi-
cle washe d,bra kefirml ywh ile pa ying atte ntion
to the trafficcond itions .Thi swi llwa rm upthe bra
kediscs ,the reb ydry ing themmor equ ickl y
and protecti ngthe magainst corr osion.
Li mite dbrak ingperf orman ceon salt-
treate droad s If
yo udri ve on salte droa ds,a laye rof saltres i-
du ema yfor mon the brakediscs and brake
pa ds.Th iscan resultin asigni ficantl ylo nge r
bra king dista nce.
R In ord erto pre vent anysaltbu ild-u p,apply
the brakes occa siona lly wh ile pa ying atte n-
tio nto the trafficcond itions .
R Ca ref ully de pre ssthe brakepedaland the
be ginning andend ofajou rney .
R Ma inta inagre aterdi sta nce tothe vehicle
ah ead.
Se rvi cing the brak es !
Th
ebra kefluidlevel maybe too low, if:
R ifthe red brakewarning lamp lights upin
the instrument cluste rand
R youhe ar awa rning tone while the engine
is running
Ob serve additio nal warning mes sage sin the
mu ltifu nctio ndisp lay.
Th ebra kefluidlevel maybe too low du eto
bra kepadwe aror leaki ng bra kelines .
Hav ethe brakesyste mche cked immed i-
ate ly.Co nsu ltaqu alifi ed speci alistwo rk-
sho pto arrange this.
! A
functio nor perfo rma nce testsho uld onl y
be car riedou ton a2-a xle dynam ome ter.If
yo uwi sh toopera tethe vehicleon such a
dy nam ome ter,plea se cons ulta qu alifi ed
sp eci alistwo rksh opinad vance. Youcou ld
othe rwise da ma gethe drive trainor the
bra kesyste m.
! As
the ESP ®
sy ste mopera tes automa ti-
cal ly,the engineand theigniti onmu stbe
sw itch edoff (theSma rtKeymu stbe inpo si-
tio n0092 or0047 inthe igniti onlock), ifthe
el ectr icpa rki ng bra keistes ted onabra king
dy nam ome ter(ma ximum 10second s).
Bra king triggered automa tically by ESP ®
ma ycau sesever eda ma getothe brakesys-
tem.
All che cks and mainte nanc ewo rkon the brake
sy ste mmu stbe car riedou tat aqu alifi ed spe-
cia list wo rksh op. Dr
ivi ng tips
151Dr ivi ng andparki ng Z

Have
brakepads insta lled and brakefluid
repl aced ataqu alifi ed spe cialist wor kshop .
If the brakesys tem hasonly beensub ject to
mode rateloads, youshou ldtest thefunctio n-
al ity ofyour bra kes atregu larinterva ls.
You canfind ades crip tion ofBrake Assist
(BAS) on(Ypage 61).
Merce des-Benz recomm endsthatyouonly
hav ebra kepads/l ining sinsta lled on your vehi -
cle whichhav ebee nap prove dfor Merce des-
Benz vehicles orwhi chcorres pondtoan
equ ivalent quality standa rd.Brake pads/
li nings whichhav enot beenap prove dfor
Merce des-Benz vehicles orwhi chare not ofan
equ ivalent quality coul daffe ctyour vehi cle's
ope ratingsafe ty.
Merce des-Benz recomm endsthatyouonly use
bra kefluidthat hasbeenspe cially ap prove d
for your vehi clebyMerce des-Benz, orwhi ch
corres pondsto an equ ivalent quality standa rd.
Brake fluidwhi chhas notbeenap prove dfor
Merce des-Benz vehicles orwhi chisnot ofan
equ ivalent quality coul daffe ctyour vehi cle's
ope ratingsafe ty.
Che cking brake linin gthic kness You
canmea surethe brea kpa d/li ning thick-
ness using atest gage.Col or-cod ing(gre enor
red) onthe test gageallow syo uto dete rmine
whe ther thebrakepad/li ning thickness isstil l
suff icient.The test gageis in the vehi cledocu -
ment wallet inthe glovebox. Front
wheel Re
ar whe el
X Bring thevehi cleand wheelsinto asui tabl e
pos itionso that youcan attach testgage
0083.
X Secur ethe vehi cleaga inst rolling away
(Y page 145 ).
X Engage park pos itionP.
X Swi tch offthe engi ne.
X Pla cetest gage0083 betw eenthewhe el's
spo kes onbra kepad/li ning 0087.
X Hold testgage0083 vertica lly on bra ke
dis c0043 and slide mea suring pin 0044onto
bra kedisc0043.
X Che ckwhi chcolo rfiel d0085 the arro won
mea suring pin 0044ispoi nting to.
Gree n:the brakepad/li ning thickness is
suff icient.
Red: thebrakepad/li ning thickness isnot
suff icient.Have thebrakepads/l ining
checked ataqu alifi ed spe cialist wor kshop .
To avo idan inaccura temea surement:
R make sureyo upos itionthe whe elssuitabl y
R do not putthe mea suring pin onareces sin
the brakedisc Dri
vin gon wetroads
Hydropl aning If
the roadsur face iswet, hydropl aning may
occur dependi ngon water level, spe edand tire
tread depth. 152
Dri
vin gtipsDri vin gand parking

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions The
yellow 0024warninglamp lightsup and thered 0049 (USA
on ly) or0024 (Canadaonly) ind icat orlamp flashes .
It is no tpos sibleto apply theelec tric park ingbrak eman ually.
X Sh ift thetrans mis sion topos ition 005D.
X Vis itaqualif iedspecialistwor kshop . 0027
(USAon ly)
004D (Canadaonly)
Che ckBrakeFluid Che
ckBrakeFluid
Lev el Lev
el The
reisno ten ough brakefluid inthebrak efluid reservoir.
A warn ingtone soun ds.The 0027 (USAon ly) or004D (Canadaonly)
warn inglamp sin theins trumen tclus termay alsolightup.
G WAR
NING
The brak ingeffectmay beimp aire d.
The reisaris kof an acc iden t.
X Pull overand stop theveh iclesaf ely assoo nas pos sible,payin g
att ention toroa dand traff icco nd ition s.Do notco ntinu edri vin g
und erany circum stanc es.
X Se cur eth eveh icleagain strol lingaway (Ypage 145).
X Con sult aqualif iedspecialistwor kshop .
X Do notadd brak efluid .This does notco rrec tth emalf unction . 0026
Che ckBrakePad Che
ckBrakePad
Wea r Wea
r The
brak epads /linin gshav ereac hedtheir wear limit.
X Vis itaqualif iedspecialistwor kshop . 0053
Ino perative Ino
perative Malf
unction ofoneor mor emain function sof theMer cedes mecon-
ne ct syst em.
X Vis itaqualif iedspecialistwor kshop . Mer
cedesmecon‐ Mer
cedesmecon‐
nec tSer vicesLim i‐ nec
tSer vicesLim i‐
ted SeeOperator' s ted
SeeOperator' s
Man ual Man
ual Se
rvice limi ted.
Malf unction ofoneor mor emain function sof theMer cedes mecon-
ne ct syst em.
X Obs erveth eno teson diagn ostics conn ection (Ypage 27).
X Vis itaqualif iedspecialistwor kshop . 210
Disp
laymes sage sOn -boar dcomp uter anddi sp lay s

These
notesalso apply tolight alloy wheels
with aclear mattefinish.
Use only insect remover andcarshampoo
from therange ofcare products approved by
Mercedes- Benz.
Cleaning thedecorative film !
The
following mayhave aneffect onthe
service lifeand color ofdecorative film:
R sunlight
R temperat ure,e.g.hot-airfan
R weather conditions
R ston eimpacts anddirt
R chemical cleaningagents
R greasy substances
! Do
not use anytypes ofpolish onmatt
decorative film.Polishing surfacescovered
with filmgives itashiny finish.
! Do
not treat mattorstruct ureddecorative
film with wax. Thismay lead tomarks that
cann otbe removed.
Observe thenotesinthe section onthe care
and treatm entofmatte paintwork
(Y page 281), these notesalso apply tomatte
decorative film.
To clean, useplenty ofwater andamild clean-
ing agent without additional orabrasive prod-
ucts, e.g.useacar shampoo approved for
Mercedes- Benz.
X Dry vehicles coveredwithfilmusing asoft,
absorbent clothafterevery wash.
Water marks couldotherwise form.
Scr atches, corrosiv edeposits, areasaffected
by corrosion anddamage causedbyinade-
quate carecannotalway sbe completely
repaired. Insuch cases, visitaqualified spe-
cialist workshop.
X Remove dirtimmediately, wherepossible,
while avoiding rubbingtoohard.
The decorative filmmay beirreparably dam-
aged.
X Soak insect remains withinsect remover
and rinse offthe treated areasafterwards.
X Soak birddroppings withwater andrinse off
the treated areasafterwards.
The Paint Cleaner cleaning product, whichhas
been approved andrecomm endedby
Mercedes- Benz,should beused when dirthas penetr
atedthedecorative filmsurface orthe
decorative filmhasbecome dull.
The manufact urercanprovide youwith infor-
mation onspecial careandcleaning products.
Laminated surfacesmayexhibit optical differ-
ences tosurfaces whichwerenotprotec tedby
a decorative filmwhen thedecorative filmis
removed.
i Have
workorrepairs ondecorative film
carried outataqualified specialist work-
shop. Mercedes- Benzrecomm endsthatyou
use anauthorized Mercedes-BenzCenter for
this purpose. Cleaning
thevehicle parts
Cleaning thewheels G
WARNIN
G
The water jetfrom acircular jetnozz le(dirt
blasters) cancause invisible exteriordam-
age tothe tires orchassis compon ents.
Component sdamaged inthis way may fail
unexpect edly.There isarisk ofan accident .
Do not use power washers withcircular jet
noz zles toclean thevehicle. Havedamaged
tires orchassis compon entsreplaced imme-
diately.
! Do
not use acidic wheel cleaning products
to remove brakedust.Thiscould damage
wheel boltsandbrake compon ents.
! Do
not park yourvehicle foralong period
of time directly aftercleaning, particularly
after cleaning thewheel rimwith wheel
cleaner. Wheelcleaner canlead tothe
increased corrosionofthe brake discsand
pads. Therefore, driveforafew minutes
after cleaning. Byheating upthe brakes, the
brake discsandpads dry.Thevehicle can
then beparked foralong period oftime.
Cleaning thewindows G
WARNIN
G
You could become trappedbythe wind-
shield wipers ifthey start moving while
cleaning thewindshield orwiper blades.
There isarisk ofinjury. 282
CareMaintenance
andcare