engine oil MERCEDES-BENZ A CLASS 2023 Owners Manual

R
When theengine isoTen leTidling forlong
per iods
R Oper ation inpar ticular lydust ycondition s
and/or ifair -recir culation modeisfreq uentl y
used
In these orsimilar operating conditions, have the
int erior air/lter,air /lter,engine oiland oil/lter,
fo rex am ple, chang edmor efreq uen tly. The tires
must becheckedmor efreq uentl yif th eve hicle is
oper ated und erincr eased loads. Further informa-
tion canbeobt aine dat aqu ali/ed special istwo rk-
shop. Bat
t Bat
ter er
ydiscon nectionper y
discon nectionperiods iods
The
ASSYST PLUS service interva ldispla ycan cal-
culat eth eser vice duedateonl ywhen thebatt ery
is connect ed. #
Displa yand note down theser vice duedate
on theinst rument displa ybef oredisconne ct-
ing thebatt ery(/ page257). Engine
com Engine
compar par
tment tment
Opening
andclosing t Opening
andclosing the hood he
hood &
W W
ARNIN G ARNIN
GRisk ofaccident duetodriving
wit hth ehood unlocked
The hood mayope nand blockyour vie w. #
Neverre lease thehood when driving. #
Beforeev erytrip, ensur eth at thehood is
loc ked. &
W W
ARNIN G ARNIN
GRisk ofaccident andinjury
when openingand closin gth ehood
The hood maysuddenl ydr op intoth eend
position.
Ther eis arisk ofinjuryfo ran yone inthe
hood's rang eof mo vement. #
Donotopen orclose thehood ifth er eis
a per son inthehood's rang eof mo ve-
ment. &
W W
ARNIN G ARNIN
GRisk ofbur nswhen openin gth e
hood
If yo uopen thehood intheev ent ofan ove r-
heat edeng ineor/rein theengine compart-
ment, thefo llo wing situations mayoccur :
R Youma ycome intocont actwithho tga ses.
R Youma ycome intocont actwithot her
escapin gho toper ating0uids. #
Beforeopen ingthehood, allowthe
engine tocool down. #
Intheev ent ofa/r ein theengine com-
par tment, keep thehood closed andcall
th e/r eser vice. &
W W
ARNIN G ARNIN
GRisk ofinjur ydue tomo ving
par ts
Com ponen tsintheengine compartment may
continue torunor star tune xpectedl yev en
when thedr ive sy stem isswitc hedo..
Obser vethefo llo wing ifyo umust open the
hood: 258258
Main
tenanc eand care

#
Switcho. theve hicle. #
Neverto uc hth edang erzones surround-
ing moving components, e.g.thero tation
ar ea ofthefa n. #
Remo vejewe leryand watches . #
Keep items ofclo thing and hair away
fr om moving parts. &
W W
AR NIN G AR
NIN GRisk ofinjuryfrom touc hing live
com ponents
The ignition system and thefuel injection sys-
te m oper atewit hahigh voltag e. Youcould
re ceiv ean elect ric shoc k. #
Neverto uc hcom ponents oftheignition
sy stem orfuel injection system when the
ve hicle isswitc hedon. The
livecom pone ntsincl ude thefo llo wing, for
ex am ple:
R Ignition coils
R Fuelinject ors R
Electr iclines totheignition coilsandthefuel
inject ors &
W W
ARNING ARNING
Riskofbur nsfrom hotcom po-
nent partsintheengine compartment
Cer tain com ponent partsintheengine com-
par tment canbevery hot,e.g .th eengine, the
cooler andpartsof theex haus tsy stem. #
Allow theengine tocool down and only
to uc hcom ponent partsdescr ibedinthe
fo llo wing. &
W W
ARNIN G ARNIN
GRisk ofinjur yfrom using the
wind shield wiperswhen thehood isopen
If th ewindshield wipersst ar tmo ving when the
hood isopen ,yo ucould betrapped bythe
wiper linkage . #
Alwaysswitc ho. thewindshield wipers
and theve hicle /rst ifyo uneed toopen
th ehood. Opening
t Opening
the hood he
hood #
Torelease thehood, pullonhandle 1. Maint
enance andcare
259 259

#
Push yello whandle 1onthehood catchto
th eleT asfaras itwill go(palm down wards).
LiT thehood untilitis aut omaticall yra ised by
th epneumatic spring.
Closing t Closing
the hood he
hood #
Lowe rth ehood andletit dr op from aheight of
appr oximat ely8 in (20 cm). #
Ifth ehood canstillbeliTed slightl y,open the
hood again and close itwit halit tle forc euntil
it eng ages cor rectl y. Engi
neoil Engi
neoil ChecChec
kingt king
the eng ineoillev he
eng ineoillevel using t el
using the on-bo ard he
on-bo ard
com com
put put
er er
R R
eq eq
uir uir
ement s: ement
s:
R The enginehas been warmed up.
R The vehicle ispar kedon aleve lsur face.
R The engineisrunning atidle speed.
R The hoodis clo sed .
The engine oilleve lis de term ined during driving.
De term ining theengine oilleve lcan take up to
30 minut eswithanor mal driving styleand even
long erwit han activ edr iving style. On-boar
dcom puter:
4 Service 5
Engine OilLevel
One ofthefo llo wing messa geswill appear onthe
inst rument displa y:
R Measuring EngineOil Level... :meas urement
of theoil leve lis no tye tpos sible. #
Repeat there qu est aTer amaximum of
30 minut es'driving.
R Engine OilLevel OKand thebar displa yfo r
indicating theoil leve lon theinst rument dis-
pla yis green and isbe tween "min" and"max":
th eoil leve lis cor rect.
R Engine OilLeve lAdd 1,1qts. andthebar dis-
pla yfo rindicating theoil leve lon theins tru-
ment displa yis orang eand isbelo w"min": #
Add1.1 USqt(1l)of engin eoil.
R Red uce Engine OilLevel andthebar displa y
fo rindicating theoil leve lon theinst rument
displa yis orang eand isabo ve"max": 260260
Main
tenanc eand care

#
Drain o.anyex cess engineoilthat has been
added. Todo so, consult aqua li/ed specialist
wo rkshop.
R For Engine OilLeve lSwi tch Ignition On #
Switchon theve hicle tocheckth eengine oil
le ve l.
R Engine OilLevel System Inoperative: Theoil
le ve lsensor isdef ectiv eor notconnect ed. #
Consult aqua li/ed specia listworkshop.
R Engine OilLeve lSys tem Currentl yUnav ail. #
Close thehood.
T T
opping upengine oil opping
upengine oil &
W W
ARNIN G ARNIN
GRisk ofbur nsfrom hotcom po-
nent partsintheengine compartment
Cer tain com ponent partsintheengine com-
par tment canbevery hot,e.g .th eengine, the
cooler andpartsof theex haus tsy stem. #
Allow theengine tocool down and only
to uc hcom ponent partsdescr ibedinthe
fo llo wing. &
W W
ARNIN G ARNIN
GRisk of/reand injur yfrom
engine oil
If engine oilcomes intocont actwithho tcom-
ponent partsintheengine compartment, it
ma yignit e. #
Mak esur eth at no eng ineoilisspill ed
ne xt to the/ller opening. #
Allo wtheengine tocool o.and thor -
oughl yclean theengine oilfrom com po-
nent partsbef orestar ting theve hicle. *
N NO O
TE TE
Eng inedamag ecaused byan inco r-
re ct oil /lter,incor rect oil oradditi ves #
Donotuse engin eoils oroil /lterswhic h
do notcor respond tothespeci/c ations
ex plicitl ypr escr ibed forth eser vice inter-
va ls. #
Followtheinst ruction son theser vice
int erva ldispla yfo rch ang ingtheengine
oil and obser vethepr escr ibed chang e
int erva ls. #
Donotuse additiv es. *
N NO O
TE TE
Damag ecaused byre/lli ng too
muc hengi neoil To
omuc hengin eoil can damag eth eengine or
th ecat alytic converter . #
Have excess engineoilremo vedat a
qu ali/ed special istwo rkshop. %
Depen dingon drivi ng style, theve hicle con-
sumes upto0.9 USqt(0.8 liter) ofoil per
600 miles (1000 km).Theoilconsum ption
ma ybe higher than this when theve hicle is
ne wor ifyo ufreq uentl ydr ive at high engine
speeds. Maint
enance andcare
261 261

#
Turn cap 1count er-cloc kwise andremo veit. #
Addengin eoil. #
Replace cap1and turnit cloc kwise untilit
eng ages. #
Chec kth eoil leve lag ain (/ page260). ChecChec
kingt king
the coolant lev he
coolant level el
&
W W
ARNIN G ARNIN
GRisk ofbur nsfrom hotcom po-
nent partsintheengine compartment
Cer tain com ponent partsintheengine com-
par tment canbevery hot,e.g .th eengine, the
cooler andpartsof theex haus tsy stem. #
Allow theengine tocool down and only
to uc hcom ponent partsdescr ibedinthe
fo llo wing. &
W W
ARNIN G ARNIN
GRisk ofscalding from hotcool-
ant
If yo uopen thecap, youcould bescalde d. #
Letth emo torcool down beforeopening
th ecap. #
When opening thecap, wearprotectiv e
glo vesand safetygl asses. #
Open thecap slowly torelease pressur e. #
Park theve hicle onaleve lsur face. #
Chec kth ecoolant temp eratur edispla yin the
inst rument cluster.
The coolant temp eratur emust beinthebo t-
to m quarterof thete mp eratur edispla y. #
Slowly turncap 1count er-cloc kwiseto
re lease overpressur e. 262262
Main
tenanc eand care

R
Maint ainadist anceof atlea st11.8 in(30 cm)
to theve hicle.
R V V
ehicle swit ehicle
swit hdecor h
decor ativ ativ
ef e
foil: oil:
Parts of your
ve hicle areco veredwit hadecor ativefo il.
Maint ainadist ance ofatleast 27.6in(70 cm)
be tween thefo il-co veredpar tsof theve hicle
and thenozzl eof thepo we rwa sher .Mo vethe
po we rwa sher nozzlearoun dwhils tclean ing.
The waterte mp eratur eof thepo we rwa sher
mus tno tex ceed 140°F(60° C).
R Obser vetheinf ormation onthecor rect dis-
ta nce intheeq uipment manufacturer'soper -
ating instruction s.
R Donotdir ect thenozzl eof thepo we rwa sher
dir ectl yat sensi tivepar ts,suc has tires, gaps,
electr icalcom ponent s,batt eries, light sources
and ventila tion slits. WW
as hing t as
hing the v he
vehi cle b ehi
cle by ha nd y
ha nd *
N NO O
TE TE
Engine damagedue towa tering ress #
Take car eno tto point thewa terje t
dir ectl yto wa rdsth eair inle tgr ille belo w
th ehood. Obser
vetheleg alrequ irements, e.g.inanumber
of countr ies,washing byhand isonl yper mitt edin
special lydesignat edwash bays. #
Use amild clean ingagent ,e.g .car sham poo. #
Washtheve hicle withluk ewarm wa terusing a
soT carspong e.When doingso,donot
ex pose theve hicle todirect sunlight. #
Carefull yhose theve hicle o.withwa terand
dr yusing ach amois.
% Obser vetheno teson thecar eof vehicle
par ts(/ page269). NNo o
t t
es on pain tw es
on pain twor or
k/mat t k/mat
te e
/nish /nish
paintw pain
twor or
kcar e k
car e To
avo iddamaging thepaintw orkand interfering
wit hth edr iving assist ancesystems, please
obser vethefo llo wing notes: P P
aint aint
R Insect remains: soakwithinsect remo verand
ri nse o.thetreat edareas aTer wards.
R Birddr oppin gs:soak withwa terand rinse o.
aT erwa rds.
R Tree resin, oils, fuels and greases: remo veby
ru bbing gentl ywit haclo thsoak edinpe tro-
leum ether orlighter 0uid.
R Coolan tand brak e0uid: remo vewit hadam p
clo thand clean water.
R Tarst ains: usetarre mo ver.
R Wax:use silicone remo ver.
R Donotatt achsti ckers, /lms orsimilar materi-
als. Onlyha ve /lm attached tothebum perat
a qua li/ed specialist workshop.
R Remo vedirtimmediat ely, wher epossibl e.
Mat t Mat
te e
/nish /nish
R Onlyuse carepr oduct sappr oved for
Mer cedes-Be nz.
R Donotatt achstic kers,/lms orsimil armat eri-
als. Onlyha ve /lm attached tothebum perat
a qu ali/ed special istwo rkshop. Main
tenanc eand care
267 267

R
Donotpolish theve hicle andalloywheels.
R Onlyuse carwashes that cor respond tothe
lat est engineer ingstandar ds.
R Donotuse carwash prog ram wit ha/nal hot
wa xtreatme nt.
R Donotuse pain tclean ers, bu1ng orpoli shing
pr oduct s,glo sspreser vers,e.g .wa x.
In theev ent ofpaintw orkdamag e:
R Alwaysha ve paintw orkre pair scar ried out ata
qu ali/ed special istwo rkshop.
R Mak esur eth era dar sensor sfun ction
(/ page155). NNo o
t t
es on cleaning decor es
on cleaning decorativ ativ
ef e
foils oils
Obser
vetheno teson matt e/nish carein the
ch ap ter"No teson pain twork/mat te/nish paint-
wo rkcar e"(/ page267). Theyalso applyto
matt edecor ativefo ils.
Obser vetheno teson clean ingdecor ativefo ils to
avo idvehicle damag e. Clean
ing Clean
ing
R Forcleaning, useplenty ofwa terand amild
cleaning agent without additiv esorabr asiv e
subst ances, e.g.acar sham pooappr ovedfo r
Mer cedes-Be nz.
R Remo vedirtimmediat ely, wher epossibl e,
whils tav oiding rubbing toohar d.Ther eis oth-
er wise arisk ofdamagi ngthedecor ativefo il
ir re par ably.
R Ifth er eis dir ton the/n ish orifth edecor ative
fo ilis dull: UsethePa int Cleaner recommen -
ded andappr ovedfo rMer cedes-Benz.
R Insect remains: Soakwithinsect remo verand
ri nse o.thetreat edareas aTer wards.
R Birddr oppin gs:Soak withwa terand rinse o.
aT erwa rds.
R Toprev ent waterst ains, drya fo il-wr apped
ve hicle withasoT, absorbe ntclo thaTer every
car wash.
Av Av
oiding damag oiding
damag et e
to t o
the decor he
decor ativ ativ
ef e
foil oil
R The service life and color ofdecor ativefo ils
ar eim pair edby:
- Sunl ight -
Temp eratur e,e.g. hotair blower
- Weather cond itions
- Stone chippings anddirt
- Chemica lcleaning agents
- Oilypr oducts
R Donotuse polish onmatt edecor ativefo il.
Po lishing willhave thee.ect ofshining the
fo il-wr apped surface.
R Donottr eat matt eor stru ctur eddecor ative
fo ils wit hwa x.Pe rm anen tst ains mayoccur .
Scr atches, corrosiv edeposi ts,areas a.ect edby
cor rosion anddamag ecaused byincor rect car e
canno talw aysbe com pletely repair ed. Insuc h
cases, visitaqua li/ed specialist workshop.
Yo ucan obtain mor einf ormation oncar eand
cleaning products from themanuf acturer.
In thecase offoil-wr apped surfaces, optical di.er -
ences mayoccur between thesur faces that we re
no tpr otect edbyadecor ativefo ilaTer remo vinga
decor ativefo il. 268268
Maint
enance andcare

NN
o o
t t
es on additiv es
on additiv esing es
ingasoline (v asoline
(vehicles wit ehicles
witha h
a
g g
asoline engine) asoline
engine)
No tetheinst ruction sabout operating0uids
(/ page328).
* NO NO
TE TE
Damag efrom use ofunsui table
additiv es Ev
en small amounts ofthewrong additivema y
lead tomalfun ctionsoccurring. #
Onlyadd cleaning additives recommen -
ded byMer cedes-Be nztothefuel. Mer
cedes-Benz recommen dsthat youuse brand-
name fuelswithadditiv es.
In some countr ies,thefuel availabl ema yno tha ve
su1cie ntaddit ives. Deposi tscould buildup inthe
fuel injection system asare sult .In this case, in
consult ationwithan aut hor ized Mercedes-Benz
Cent er,mix thefuel withth ecleaning additivere c-
ommen dedbyMer cedes-Be nz.Obs erve theno tes
and mixin gra tios indica tedon theta nk . T T
ank cont ank
cont entand fuelr ent
and fuelrese rve eser
ve
F F
uel t uel
tank tot ank
total capacit y al
capacit y Mod
el Mod
el
All model s1 3.5gal(51.0 liter s) RR
eser v eser
ve fuel t e
fuel tank ank
ModelModel
All models 1.3gal(5.0 liter s) Engine
oil Engine
oil NNo o
t t
es on engine oil es
on engine oil
Obser vetheno teson oper ating0uids
(/ page328). *
N NO O
TE TE
Eng inedamag ecaused byan inco r-
re ct oil /lter,incor rect oil oradditi ves #
Donotuse engin eoils oroil /ltersot her
th an those whic hmee tth especi/c ations
necessar yfo rth epr escr ibed service
int erva ls. #
Donotalt er theengine oiloroil /lter in
or der toachie velong erchang eint erva ls
th an prescr ibed. #
Donotuse addit ives. #
Have theengine oilchang edaTer the
pr escr ibed interva ls. Te
ch nica ldat a
331 331

Mer
cedes-Be nzrecommen dshavin gth eoil
ch ang edataqu ali/ed special istwo rkshop.
Onl yuse engineoils appr ovedfo ryo ur vehicle by
Mer cedes-Be nz.
Qua lityand capac ityofengine oil Qua
lityand capac ityofengine oil
Engine oil Engine
oilspe ci/cation s spe
ci/cation s Mode
l Mode
l MB-Fr MB-F
reig eig
abe orMB- abe
orMB-
Appro v Appro
val al
All mod els 229.51,229.5 2,
229.6 1,229.7 1*,
229.7 2 *
Re commen dedforth elowe stpo ssible fue lco n-
su mp tion.
To achie vethelowe stpo ssible fue lco nsum ption,
it is recommen dedtouse theengine oilspeci/c a-
tion smar kedin theta ble forth elowe stSA Evis-
cosity class.Observeanypossibl ere str iction sof
th eappr ovedSA Eviscosity classes. Engi
neoil Engi
neoil/lling /lling
capacity capacity
ModelModel
Capacity Capacity
All models 5.8USqt(5.5 liter s) The
speci/ed /llingcapacity refers to an oil
ch ang ewit hth eoil /lter. NNo o
t t
es on br es
on brak ak
e e
0uid 0uid
No
tetheinst ruction sabout operating0uids
(/ page328). &
W W
AR NIN G AR
NIN GRisk ofan acciden tdue to
va por pockets form ing inthebr ak esy stem
The brak e0uid const antlyabsorbs moisture
fr om theair .This lowe rstheboiling pointof
th ebr ak e0uid. Ifth eboiling pointistoolow,
va por pockets ma yfo rm inthebr ak esy stem
when thebr ak es areapplied hard.
This causes thebr aking e.ect tobe impair ed. #
Have thebr ak e0uid rene we dat the
speci/ed interva ls. Ha
ve thebr ak e0uid replaced regula rly at aqu ali-
/ed special istwo rkshop.
Onl yuse abr ak e0uid approvedby Mer cedes-
Benz accor ding toMB-F reigabe orMB- Appr oval
331. 0. Coolan
t Coolan
t NNo o
t t
es on coolan t es
on coolan t
Obser vetheno teson oper ating0uids
(/ page328). &
W W
AR NIN G AR
NIN G‑Risk of/reand injuryfrom
ant ifre eze
If antifr eeze comes intocont actwithho tcom-
ponent partsintheengine compartment, it
ma yignit e. #
Allo wtheengine tocool down before
addin ganti freeze . #
Mak esur eth at no ant ifre eze spills out
ne xt to the/ller opening. #
Thor oughl yclean o.anyantifr eeze from
com ponent partsbef orestar ting the
ve hicle. 332332
Te
ch nica ldat a

Engi
neoil Engi
neoil DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/consequences and uences
and0050 0050
Solu tions Solu
tions
00B3
Che ckEngine OilLevel
(Add 1qua rt) *T
heeng ineoilleve lhas dropped totheminimum leve l.
* N NO O
TE TE
Engine damagecaused bydriving withinsu1cien tengin eoil #
Avoid long journeys wit hinsu1cient engineoil. #
When next refuel ing, add1.1 USqt(1l)of engi neoil(/ page 261).
No teson eng ineoil(/ page331).
00B3
Engine OilReduce Oil Leve l *T
heeng ineoilleve lis toohigh.
* N NO O
TE TE
Engin edamag ecaused bydriving withex cess engineoil #
Avoid long journeys wit hex cess engineoil. #
Consu ltaquali/ed specialistwo rkshop immed iatelyand have theengine oilleve lre duced.
00B3 Engine OilLevel LowStop
Vehicl eTurn Engine Off *T
heeng ineoilleve lis toolow.
* N N
O O
TE TE
Engine damageca use dby driving withinsu1cien tengin eoil #
Avoid long journeys wit hinsu1cient engineoil. #
Stop theve hicle immed iatelyin accor dance withth etra1c conditions. Donotcontinue driving. 384384
Displa
ymessag esand warning/in dicatorlam ps