2020 MERCEDES-BENZ A-CLASS SEDAN maintenance

Limit
edWa rranty
* NO
TEDama getotheve hicle arising
fr om violation ofthese oper ating instruc‐
tion s. Damag
eto theve hicle canarise from viola‐
tion ofthese oper ating instruction s.
This damag eis no tco veredeit her bythe
Mer cedes-Ben zim plied warrant yor by the
Ne w‑ orUsed- Vehicle Warrant y. #
Followtheins truction sin these oper at‐
ing instruction son proper operation of
yo ur vehicle aswellas on possible vehi‐
cle damag e. QR
code forre scue card
The QRcode issecur edinthefuel filler flap and
on theopposit eside ontheB-pillar .In theeve nt
of an acci dent, rescue services canusetheQR
code toquickl yfind theappr opriatere scue card
fo ryo ur vehicle. Thecurrent rescue cardcon‐
ta ins themos tim por tant informa tionab ou tyo ur ve
hicle inacom pact form ,e.g. thero utin gof the
electr iclines.
Fu rther information canbeobt ained athttps: //
www .mercedes-benz .de/qr-code. Data
storage Electr
oniccontr olunit s Ele
ctro nic contr oluni tsareins talled inyour vehi‐
cle. Some ofthese areneces saryfo rth esaf e
oper ation ofyour vehicle, whilesome assistyo u
when drivin g(dr iver assis tance systems). In
addition, your vehicle prov ides comfort and
ent ertainm ent func tions,whic har ealso made
possible byelectr oniccontrol units.
Elect ronic contr oluni tscont ain da ta memor ies
whi chcan temp orarily orper manent lystor e
te ch nica linf orma tionab ou tth eve hicle's operat‐
ing stat e, com ponent loads, maintenance
re qu iremen tsand tech nica leve nts orma lfunc‐
tio ns. In
gener al,th is inf ormatio ndocum entsth est at e
of acom ponent part,amodul e,asy stem orthe
sur round ingssuc has:
R Operatin gst atus ofsystem com ponen ts(e.g.
fi ll le ve ls, batt eryst atus ,tir epr essur e)
R Status messagescon cerningth eve hicle or
its individua lcom ponent s(e.g. number of
wheel revo lution s/speed, longitudin alacc el‐
er ation ,lat eral acc eler ation ,displa yof fas‐
te ned seatbe lts)
R Malfunctio nsorfaults inim por tant system
com ponen ts(e.g. lights, brak es)
R Information oneve nts lead ing tovehicle
damag e
R System react ionsin spec ialdrivin gsit uatio ns
(e. g.airbag deployment,int erve ntio nof sta‐
bilit ycon trol systems)
R Ambien tcon ditions (e.g.temp eratur e,rain
sen sor)
In addition toprov iding theactual control unit
func tion,th is dat aassis tsthemanuf acturerin
de tecting andrectify ingmal functi onsand opti‐
mizi ngvehicle functions. Themajority ofthis Gener
alno tes 29

Secur
ingtheengine agains tst ar ting before
car rying out maintenance orrepair work: #
Swi tchon thehazar dwa rning light s.
or #
Unloc kth edoor s.
or #
Open aside windo wor thesliding sunroof. Br
eaking-in notes To
preser vetheengine during thefirs t
1, 000 miles(1 ,500 km):
R Drive at varying road spee dsand engine
spee ds.
R Drive th eve hicle indrive pr ogr am A
or ;.
R Shif tto thene xt highes tge ar attheve ry lat‐
es twhen theneedle reac hes thelas tth ird
bef oreth ere dar ea intheta ch ome ter.
R Donotshi ftdo wn age ar man uallyin order to
br ak e.
R Avoid overstrai ning theve hicle, e.g.driving at
full thro ttle . R
Vehicl eswith automatic transmiss ion:Do
no tdepress theaccelera torpeda lbe yond the
pr essur epoint (kickdo wn).
R Onlyincr ease theengine speedgradually and
accelera tetheve hicle tofull spee daf te r
1, 000 miles(1 ,500 km).
This also app lieswhe nth eengine orpar tsof the
dr ivet ra in have been replaced.
Please alsoobser vethefo llo wing breakin g-in
no tes:
R Incer tain drivin gand drivin gsaf etysy stems,
th esensor sadjus taut omaticall ywhile acer‐
ta in dis tance isbe ing driven afte rth eve hicle
has been delivered orafte rre pair s.Fu llsy s‐
te m effectiv enes sis no tre ac hed untilth e
end ofthis teac h-in proce ss.
R Brak epads ,br ak edisc sand tires that are
eit her newor have been replaced onlyac h‐
ie ve optimum braking effect and grip afte r
se veralhundr edkilom eter sof driving. Com‐
pensat efo rth ere duced braking effect by
appl ying grea terfo rc eto thebr ak epedal. No
teson driving &
WARNIN GRisk ofacci dent dueto
object sin thedr iver's foot we ll
Obj ectsin thedr iver's foot we llma yim pede
pedal trav el or bloc kadepr essed pedal.
This jeopar dizestheoper ating androad
saf etyof theve hicle. #
Stow allobj ect sin theve hicle secur ely
so that they canno tget intoth edr iver's
fo ot we ll. #
Alw aysins tallth efloor mats securely
and asprescr ibed inorder toensur e
th at ther eis alw ayssuf ficie ntroom for
th epedals. #
Donotuse loose floor mats anddonot
place floor mats ontopof one another. 13
4
Driving and parking

ASS
YSTPL US service interva ldisp lay Fu
nction oftheASS YSTPL US service interva l
displ ay The
ASSYSTPL US service interva ldispla yon the
Ins trument Displaypr ov ides informatio non the
re maini ngtime ordis tance before thene xt
ser vice duedate.
Yo ucan hide this ser vice displa yusing thebac k
butt ononthelef t-hand sideofthesteer ing
wheel.
Depen dingonhowtheve hicle isused, the
ASS YSTPL US service interva ldispla yma y
shor tenth eser vice interva l,e.g. inthefo llo wing
cases :
R Mainl yshor t-dis tance drivi ng
R Whe nth eengine isoftenleft idling forlong
per iods
R Intheeve ntoffreq uent col dstar tphase s
Mer cedes-Ben zre comme ndsavoiding such
oper ating condit ions.
Yo ucan obtain informat ionconcernin gth eser v‐
icing ofyour vehicle from aqu alif ied spec ialist wo
rkshop, e.g.anaut hor ized Mercedes-Benz
Cent er. Displa
yingtheser vice dueda te On-boar
dcom puter:
4 Service 5
ASS YST PLUS
The next ser vice duedateis displa yed. #
Toexitth edisp lay: press thebac kbutt on
on thelef t-hand sideofthesteer ing wheel.
Be sureto also payatt ent ion tothefo llo wing
re lat ed topic:
R Oper ating theon- boar dcom puter
(/ page21 6). Inf
ormation onregular maintenance work *
NO
TEPrema turewe arthro ugh failur eto
obser veser vice duedates Ser
vice workwhic his no tcar ried out atthe
ri ght time orincom pletely can lead to
inc reased wearand damag eto theve hicle. #
Alw aysobser vethepr escr ibed service
int erva ls. #
Alw aysha ve thepr escr ibed service
wo rkcar ried out ataqu alif ied spec ialist
wo rkshop. Special
service requ irement s The
prescr ibed service interva lis based onnor ‐
mal opera tionoftheve hicle. Maintenance work
will needto be per form ed mor eof tenif th eve hi‐
cle isoper ated under arduous conditions or
incr eased loads.
The ASSYSTPL US service interva ldispla yis onl y
an aid. Thedriver oftheve hicle bearsre sponsi‐
bility asrega rdsto whe ther maint enanc ewo rk
nee dstobe per form ed mor eof tenth an spec i‐
fi ed based ontheactual operating conditions
and/or loads.
Ex am ples ofarduous operating conditions :
R regular citydriving withfreq uent intermedi‐
at estops
R mainly short-distance drivi ng Ma
intena nce and care38
5

*
NO
TEDama gedue touns uitable car
wa sh #
Beforedr iving intoacar wash mak e
sur eth at thecar wash issuit able for
th eve hicle dimensions. #
Ensur eth er eis suf ficie ntgrou nd clear‐
ance between theunderbody andthe
guide rails ofthecar wash. #
Ensur eth at theclear ance widthof the
car wash, inpar ticular thewidt hof the
guide rails, issuf ficie nt. To
avo iddamag eto your vehicle when usinga
car wash, ensur eth efo llo wing beforehand:
R ActiveDis tance AssistDIS TRONI Cand the
HOLD functio nar edea ctivated.
R The 360° Camer aor there ar vie wcam erais
swit ched off.
R The side windo wsand slidin gsun roof are
com pletely clos ed.
R The blow erforth eve ntil ation/he ating is
sw itched off. R
The windsh ield wipe rsw itchis in po sitio n
005A.
R Incar washes withacon veyo rsy stem: neu‐
tr al 005C iseng aged.
R The Smar tKey isat amin imum distance of
10 ft(3 m) away from theve hicle, other wise
th etrunk lidcould openunintentionall y.
% Ifyo uwo uld liketo lea vetheve hicle while it
is being washed, makesur eth eSmar tKey is
locat edintheve hicle. Theparkposition 005D
is other wise automaticall yeng aged.
% If,afte rth ecar wash, youre mo vethewa x
fr om thewindshield andwiper rubber s,this
will preve ntsme aring and reduce wiper
noise. Inf
ormat iononusing apo we rwa sher &
WARNIN GRisk ofacci dent whenus ing
hig h-pr essurecle ani ng equipm entwith
ro und -spr ay nozzl es
The waterje tfr om aro und -spr ay nozzl e(d irt
gr ind er) maycau sedama getotires and sus‐
pe nsi on components that isno tvisi ble.
Com ponentsdamag edinthis wa yma yfa il
une xpec tedly. #
Donotus ehigh- pres su re cle ani ng
eq uipme ntwith round -spr ay nozzl esto
cle an your vehicle. #
Damag edtires orsuspension compo‐
nent smus tbe replaced immediat ely. To
avo iddamag eto your vehicle, observethefo l‐
lo wing when usingapo we rwa sher :
R keep theSmar tKey atleas t10 ft(3 m) away
fr om theve hicle. Other wise thetrunk lid
could openunintentionall y.
R maint ainadis tance ofat leas t11 .8 in
(30 cm) totheve hicle. 392
Maintenance andcare

Obser
vethefo llo wing informa tion: Cleaning
Avoiding dama getothedecor ative fo il
R Forclea ning, useplenty ofwa terand amild cleaning agent without
add itivesorabr asive subs tances, e.g.a car shampooappr ovedfo r
Mer cedes-Ben z.
R Remo vedirtimmediat ely,wher epossible, whilstavo iding rubbing
to ohar d.Ther eis other wise arisk ofdamagi ngthedecor ativefo il
ir re par ably .
R Ifth er eis dir ton thefinis hor ifth edecor ativefo ilis dull: usethe
Pa int Cleaner recomme ndedandapprove dfo rMer cedes-Benz.
R Insect remains: soakwithinsect remo verand rinse offth etreat ed
ar eas afte rw ards.
R Birddr oppin gs:soak withwa terand rinse offaf te rw ards.
R Toprev ent waterst ains ,dr ya fo il-wr apped vehicle withasof t,
absorbent clothafte reve rycar wash. R
The service life and color ofdecor ativefo ils areim pair edby:
- Sunl ight
- Temp eratur e,e.g. hotair blower
- Weather condition s
- Stone chipping sand dirt
- Chemic alclean ingagent s
- Oilypr oduct s
R Donotuse polish onmatt edecorativ efo il. Po lishin gwill have theef fect
of shi ning thefo il-wrapped surface.
R Donottr ea tmatt eor stru ctur eddeco rativ efo ils wit hwa x.Pe rm anen t
st ains mayocc ur. Sc
ratche s,cor rosiv edeposits, areas affect ed by
cor rosion anddamag ecaused byinc orrect car e
canno tal wa ys be com pletely repair ed.Insuc h
cases, visitaqu alif ied spec ialistwo rkshop.
Yo ucan obtain mor einf ormat iononcar eand
cle anin gpr oduc tsfrom themanuf acturer. In
thecase offoil-wrapped surfaces, optica ldi f‐
fe re nces mayoccu rbe twee nth esur faces that
we renotpr otect edbyadec orativ efo ilaf te r
re mo ving adecor ativefo il. %
Have wo rkor repair sto decor ativefo ils car‐
ri ed out ataqu alif ied spec ialistwo rkshop,
e.g. inan aut hor ized Mercedes-Benz Center. 396
Maintenance andcare

No
teson cleaning andcareA voiding vehicl edamag e
Ext erior lighting
Cleanthelenses withawe tsp ong eand mildcle ani ng agent,
e.g .car shampoo. Onl
yuse cleaning agents orcleaning clothsth at aresuit able
fo rpla stic lens es.
Sensor s
Cleanthesensor sin thefront and rear bum perand inthe
ra diat orgrill wit hasof tclo thand carsham poo. When
usingapo we rwa sher ,maint ainaminimum distance of
11 .8 in(30 cm).
Re ar vie wcamer a
and 360°Camer a R
Open thecamer aco verwit hth emultimedia system
(/ page19 8) .
R Usecle an waterand asof tclo thtocle an thecamer alens. Do
notuse apo we rwa sher .
Ta ilpip es
Cleanwithaclean ingagent recomme ndedforMer cedes-
Benz, especiallyin thewint erand afte rwa shing theve hicle. Do
notuse acidic cleaning agents. 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 aredeplo yed, plas ticpar ts
ma 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. 398
Maintenance andcare