MERCEDES-BENZ S-CLASS 2020 Owner's Manual
Page 411 of 602
Opening/closing
theh ood &
WARNIN GRisk ofacci dent ifth ee ngine
hood isunlatc hedwhile driving
An unloc kede ngin ehood mayopen upwhen
th ev ehicle isin mo tion andblockyour view. #
Neveru nla tcht he engine hoodwhile
dr iving. #
Beforee very trip, ensur ethat the
engine hoodislatc hed. &
WARNIN GRisk ofacci dent andinjury
when openingand closingthee ngine
hood
When opening orclosing thee ngine hood, it
ma ysuddenl ydropi ntot he end position.
Ther eisar iskofinju ryfora nyo neinthe
engine hood's rang eo fm ove ment. #
Onlyopen orclose thee ngine hood
when ther ea reno per sons inthe
engine hood's rang eo fm ove ment. &
WARNIN GDang erofburnsw hen open‐
ing theh ood
If yo uo pen theh ood when thee ngine has
ove rheat edordur ing afirei nt he engine
com partment, youc ouldcome intoc ontact
wit hh otgases orother escaping operating
fl uids. #
Beforeo pen ingtheh ood, allowthe
engine tocool down. #
Inthee vent ofafirei nt he engine com‐
par tment, keep theh ood closed and
call thef ires ervice. &
WARNIN GRisk ofinju rydue tomo ving
par ts
Cer tain com pone ntsi nt he engine compart‐
ment maycontinue tomo veorsuddenly
mo veagain evenafter thei gnition hasbeen
switc hedoff,e.g. thec ooler fan.
Ma kesur eofthe follo wing beforep erform ing
ta sk si nt he engine compartment : #
Switc hthe ignition off. #
Nevertouc hthe dang erzone surround ‐
ing movingc om ponent parts, e.g. the
ro tatio na reao fthe fan. #
Remo vejewe lrya nd watche s. #
Keep items ofclo thing and hair away
fr om moving parts. &
WARNIN GRisk ofinju ryfrom touc hin g
co mp onent partsunder voltag e
The ignit ionsystem and thef uel injec tion
sy stem workund erhigh voltag e. Ifyo ut ouc h
com ponent partswhic hareunder voltag e,
yo uc ouldrecei vean elec tric shoc k. #
Nevertouc hcom ponent partso fthe
ignition system orthef uel injec tionsys‐
te mw hen thei gnition isswitc hedon. &
WARNIN GRisk ofburnsf romh otcom‐
ponent partsinthee ngine compartmen t
Cer tain com pone ntsi nt he engine compart‐
ment canbevery hot,e.g. thee ngine ,the
ra diat orand partsof thee xhau stsystem. Maint
enanc eand car e409
Page 412 of 602
#
Allow thee ngine tocool down and only
to uc hc om ponent partsd escr ibed in
th ef ollo wing. &
WARNIN GRisk ofinju ryfrom using the
winds hieldwiper swhile thee ngine hood
is open
When thee ngine hoodisopen andthew ind‐
shield wipersaresetinm otion ,you can be
tr appe dbythe wiper linkage. #
Alw ayss witc hoffthew indshield wipers
and ignition beforeo pening thee ngine
hood. Plug-in
hybrid: obser vethen otes intheS upple‐
ment .Other wise, youm ayfailto recogni zedan‐
ge rs. #
Toopen: pullleve r1 torelease theh ood. #
Push handle 1oftheh ood catchupwards
and liftt he hood byappr oximat ely1 5in
(40 cm). #
Toclose: lowe rthe hood andleti tf all from a
height ofappr oximat ely8 in(20 cm). #
Ifth eh ood canstill be lifte ds lightl y,open
th eh ood again and close itwit hal ittle more
fo rc eu ntil iteng ages cor rectl y. 41
0
Maint enance andcare
Page 413 of 602
Engine
oil Chec
kingthee ngine oilleve lu sing theo il
dip stick &
WARNIN GRisk ofburnsf romh otcom‐
ponent partsinthee ngine compartmen t
Cer tain com pone ntsi nt he engine compart‐
ment canbevery hot,e.g. thee ngine, the
ra diat orand partsof thee xhau stsystem. #
Allo wthe engine tocool down and only
to uc hc om ponent partsd escr ibed in
th ef ollo wing. Plug-in
hybrid: obser vethen otes intheS upple‐
ment .Other wise, youm aynotrecog nizedan‐
ge rs.
Re quirement s:
R The engin emusth ave anoildips tick.Ifno t,
th ee ngine oilleve lc an be checkedo nlyw ith
th eo n-boar dcom put er(/ page411).
Dependi ngon thee ngine, theo ildips tickm aybe
ins talled inthee ngine compartmen tind iffe re nt
lo cati ons. The
waitin gtimeb efor ec hec king theo ille ve l
when thee ngine isat nor mal oper ating temp era‐
tur eisf ivem inut es. #
Park thev ehicle onalevel sur face. #
Pulloil dips tic k1 outa nd wipe off. #
Slowly slide oildips tic k1 intot he guide
tube tothes top, and take itout again afte r
appr oximat elyt hree seconds.
R Oilleve lisc orrect:o ille ve lisb etwe en 2
and 3.
R Oilleve ltoo low: oil leve lisa t3or
belo w.
R Oilleve ltoo high: oilleve lisa bove 2 . #
Ifth eo ille ve list oo low, add 1.1U Sqt
(1 liter) ofengine oil. #
Ifth eo ille ve list oo high, have thee xcess
engi neoilremo veda ssoon aspossible ata
qu alif ied spec ialistworks hop.
Chec kingthee ngine oilleve lu sing theo n-
boar dcom puter
Re quirement s:
R The engin ehaswarmed up.
R The vehicle ispar kedo nal evel sur face.
R The engineisrunning atidle spe ed.
The engineoilleve lisd eter mined during driving.
De term inin gthe engine oilleve lc an take up to Maint
enance andcare 41
1
Page 414 of 602
30
minut eswit han ormal driving stylea nd eve n
long erwit ha na ctived rivin gs tyle.
On -boa rdcom puter:
4 Service5
Engine OilLevel
Yo uw illsee oneo fthe follo wing mess ages on
th em ultifunc tiondispla y:
R Measuring Engine OilLevel.. .:measur ement
of theo ille ve lisn otyetp ossibl e. #
Repeat ther eques tafter am aximu mof
30 minut esdriving.
R Engine OilLevel OKand theb ardispla yfor
indicating theo ille ve lo nt he multifunction
displa yisg reen and isbe tween "min" and
"max": theo ille ve lisc orrect.
R Engine OilLeve lAdd 1.0 land theb ardispla y
fo ri ndica tingtheo ille ve lo nt he multifunc‐
tion displa yiso rang ea nd isbelo w"min": #
Add1 .1US qt(1l)of engine oil.
R Red uce Engine OilLevel andtheb ardispla y
fo ri ndica tingtheo ille ve lo nt he multifunc‐
tion displa yiso rang ea nd isabo ve"max ": #
Drain offa ny excess engineoilthat has been
added. Todo so, con sult aqualif iedspec ialist
wo rkshop.
R For Engine OilLevel Switch Ignition On: #
Switc honthe ignition tocheckt he engine oil
le ve l.
R Engine OilLeve lSyst em Inoperat ive:sensor
fa ulty ornotins erted. #
Consult aqualif iedspec ialistworks hop.
R Engine OilLevel System Currently Unavail.: #
Close theh ood.
Re filling engine oil &
WARNIN GRisk ofburnsf romh otcom‐
ponent partsinthee ngine compartmen t
Cer tain com pone ntsi nt he engine compart‐
ment canbevery hot,e.g. thee ngine, the
ra diat orand partsof thee xhau stsystem. #
Allo wthe engine tocool down and only
to uc hc om ponent partsd escr ibed in
th ef ollo wing. &
WARNIN GRisk offire and injuryf rom
eng ineoil
If eng ineoilcom esintoc ontact with hot
com ponent partsinthee ngine compart‐
ment ,itm ayignit e. #
Mak esuret hat noengine oilisspil led
ne xt to thef iller open ing. #
Allo wthe engine tocool offa nd thor‐
oughl yclean thee ngine oilfrom com po‐
nen tparts bef ores tartin gt he vehicle. *
NO
TEEngi nedama gecau sed byan
inc orrect oil filt er ,inc orrect oil oraddi‐
tiv es #
Donotu se engi neoilso roilfilt er s
whic hdonotcor respond tothes pecif i‐
cation sexpl icitly prescr ibed fort he
ser vice interva ls. #
Donota lter thee ngine oiloroil filt er in
or der toachie velong erchang einter va ls
th an presc ribed. #
Donotu se additiv es. 41
2
Maint enance andcare
Page 415 of 602
#
Followt he instructions inthes ervice
int erva ld ispla yregarding theo il
ch ang e. *
NO
TEDama gecau sed byrefilling too
muc hengine oil To
om uche ngine oilcan damag ethe engine
or thec atalytic converter . #
Have excess engineoilremo veda ta
qu alif ied spec ialistworks hop. %
Depending onthee ngine, thec ap maybe
ins talled inthee ngine compartmen tind if‐
fe re nt locati ons. #
Turn cap 1cou nter-cloc kwiseand remo ve
it. #
Adde ngin eoil. #
Replace cap1and turnitc loc kwise asfar
as itwill go. #
Chec kthe oilleve la ga in (/ page411). Che
cking thec oolant leve l &
WARNIN GRisk ofburnsf romh otcom‐
ponent partsinthee ngine compartmen t
Cer tain com pone ntsi nt he engine compart‐
ment canbevery hot,e.g. thee ngine ,the
ra diat orand partsof thee xhau stsystem. #
Allo wthe engine tocool down and only
to uc hc om ponent partsd escr ibed in
th ef ollo wing. &
WARNIN GRisk ofscal ding from hot
cool ant
The enginecool ingsystem ispressur ized,
par ticular lywhen thee ngine iswa rm.Ify ou
open thec ap, youc ouldbe scalded byhot
coolant spraying out. #
Letthe engine cooldown beforeo pen‐
ing thec ap. #
When opening thec ap, wearprotect ive
gl ove sand safetyg lasses. #
Open thec ap slowlyt or elease pres‐
sur e. Maint
enance andcare 41
3
Page 416 of 602
#
Park thev ehicle onalevel sur face. #
Checkt he coolant temp eratur edispla yint he
ins trument cluster.
The coolant temp eratur emustb eint he bot‐
to mq uartero fthe temp eratur edispla y. #
Ifnecessar y,remo vethec over. #
Slowly turnc ap 1 cou nter-cloc kwiseto
re lie ve ove rpressur e. #
Continue turning cap1count er-cloc kwise
and remo veit.
The coolan tleve lisc orrect inthef ollo wing
cases:
R Ifth ee ngine iscold, uptomar kerb ar2.
R Ifth ee ngine iswa rm,upt o0 .6in(1.5 cm)
ov er mar kerb ar2. #
Ifnecessar y,add coolant that has been
appr ovedbyM ercedes-Ben z.
R Further information oncoolant (/page486) Re
filling thew indsh ieldwasher system &
WARNIN GRisk ofburnsf romh otcom‐
ponent partsinthee ngine compartmen t
Cer tain com pone ntsi nt he engine compart‐
ment canbevery hot,e.g. thee ngine, the
ra diat orand partsof thee xhau stsystem. #
Allo wthe engine tocool down and only
to uc hc om ponent partsd escr ibed in
th ef ollo wing. &
WARNIN GDang erofburnsw hen open‐
ing theh ood
If yo uo pen theh ood when thee ngine has
ove rheat edordur ing afirei nt he engine
com partment, youc ouldcome intoc ontact
wit hh otgases orother escaping operating
fl uids. #
Beforeo pen ingtheh ood, allowthe
engine tocool down. #
Inthee vent ofafirei nt he engine com‐
par tment, keep theh ood closed and
call thef ires ervice. &
WARNIN G‑R isko ffirea nd injuryf rom
wind shieldwa sher concen trat e
Wi ndsh ield wa sher concen trat ei sh ighl y
fl ammab le.Itcoul dign itei fitc om esinto
con tact with hote ngine component partsor
th ee xhau stsystem. #
Mak esuret hat nowindshi eldwasher
concen trat es pills outnext to thef iller
open ing. 41
4
Maint enance andcare
Page 417 of 602
#
Remo vecap 1bythet ab, place onthee dge
of thef iller open ingand engagei np lace. #
Refilling washer fluid. Ke
eping thea ir-w ater duct free #
Keep thea reab etwe en theh ood andthe
winds hieldfree ofdepos its,e .g.ice, snow
and leaves. Cleani
ngand care No
teso nw ashin gthe vehicl einac arwa sh &
WARNIN GRisk ofacci dent duet o
re duced braking effect afte rw ashi ngthe
ve hicle
The braking effect isreduced afte rw ashi ng
th ev ehicle. #
Aftert he vehicle hasbeen washed,
br ak ec arefully whilepaying attention to
th et raffic co nd ition suntilthe braking
ef fect hasb eenf ully restor ed. *
NO
TEDama gedue touns uitable car
wa sh #
Befored riving intoac arwa sh mak e
sur ethat thec arwa sh issuit able for
th ev ehicle dimensions . #
Ensur ether eiss ufficie ntgrou nd clear‐
ance between theu nderbody andthe
guide rails ofthec arwa sh. #
Ensur ethat thec lear ance widthofthe
car wash, inpar ticular thew idtho fthe
guide rails, issuf ficie nt. To
avo iddamag etoy ourvehicle whenusinga
car wash, ensur ethe follo wing beforehand:
R ActiveD ista nce AssistDIS TRONI Candthe
HOLD functio naredea ctivated.
R The 360° Camer aorthe rear vie wc amerai s
swit ched off.
R The side windo wsand slidin gsunroof are
com pletely clos ed.
R The blow erfort he ventil ation/he ating is
sw itched off.
R The windsh ield wipe rs witchi sinp osition
005A .
R Incar washes withac onveyo rs yst em: neu‐
tr al 005C iseng aged.
R The Smar tKey isat ad ista nce ofat leas t
10 ft(3 m) away from thev ehicle, other wise
th et runk lidcould openunintentionall y. Maint
enance andcare 41
5
Page 418 of 602
%
Ifyo uw ould liket oleave thev ehicle whileit
is being washed, makesuret he Smar tKey is
locat edinthev ehicle. Theparkposition 005D
is other wise automaticall yengaged.
% If,afte rt he car wash, your emo vethew ax
fr om thew indshield andwiper rubber s,this
will preve ntsme aring and reduce wiper
noise. Inf
ormat iononusing apowe rwasher &
WARNIN GRisk ofacci dent whenusing
hig h-pr essurec leani ng equipm entwith
ro und -spr ay nozzl es
The waterj et from around-spr aynozzl e(dirt
gr ind er) maycause dama getotires and sus‐
pe nsi on components that isno tv isible.
Com ponentsdamag edinthis wa ym ayfail
une xpec tedly. #
Donotu se high- press urec leani ng
eq uipme ntwith round -spr ay nozzl esto
cle an your vehicle. #
Damag edtires orsuspension compo‐
nent smustb ereplaced immediat ely. To
avo iddamag etoy ourvehicle, observethef ol‐
lo wing when usingapowerwa sher :
R keep theS mar tKey atleas t10f t(3m )awa y
fr om thev ehicle. Other wise thet runk lid
could openunintentionall y.
R maint ainadista nce ofat leas t1 1.8i n
(30 cm) tothev ehicle.
R vehicl eswith decorativ efoil: partsof your
ve hicle arec ove redw ithad ecora tivef oil.
Maint ainadista nce ofat leas t2 7.6i n
(70 cm) between thef oil-co veredp arts of the
ve hicle andthen ozzle ofthep owe rwashe r.
Mo vethep owerwa sher nozzlearound whilst
cleaning. Thewatert em per atur eofthe
po we rw ashe rmustn otexc eed 140° F
(60 °C).
R obse rvet he information onthec orrect dis‐
ta nce inthee quipment manufacturer'soper‐
ating instruction s.
R donotp oint then ozzle ofthep owe rwashe r
dir ect lyat sensitiv eparts suc hastires, slits, electr
icalcom ponents, batteries, light bulbs
and ventil ation slot s. Wa
shing thev ehic leby hand Obser
vethel eg alrequ iremen ts,e.g. inan umb er
of coun tries, washing byhand isonl ypermitt ed
in specially designatedwash bays. #
Use amildcleaning agent, e.g.carsham poo. #
Washthev ehicle withlukewa rmwateru sing
as oftc ar spong e.When doingso,donot
ex pose thev ehicle todirect sunlight . #
Carefully hosethev ehicle offw ithw ater and
dr yu sing achamoi s.Take car enotto point
th ew ater jetd irectl ytow ards thea irinle t
gr ille belo wthe hood. 41
6
Maint enance andcare
Page 419 of 602
No
teso np aint work/ma ttef inish paintworkcar e Obser
vethef ollo wing informa tion: Cleaning
andcareA voiding paintworkd am age
Pa intw ork R
Insect remains: soakwithinsect remo vera nd rinse offt he
tr eat edareas afte rw ards.
R Birdd roppin gs:soak withw ater andr ins eo ffafte rw ards.
R Tree resin, oils, fuels andgreases: remo veby rubbing gen‐
tl yw ithac loth soak edinpe troleum ether orlight erfluid.
R Coolan tand brak ef luid: remo vewit had ampcloth and
cle an water.
R Tars tains :use tarr emo ver.
R Wax:uses ilico ne remo ver. R
Donota ttac hs tickers,f ilms orsimilar materials.
R Remo vedirtimmediat ely, wher epossi ble. Maint
enanceand care 41
7
Page 420 of 602
Cleani
ngand careA voiding paintworkd am age
Mat tefinish
Onlyusecar eproducts approvedfor Mer cedes -Benz. R
Donotp olish thev ehicle andalloywheels.
R Onlyusecar washes that cor respond tothel ates te ngi‐
neer ingstandar ds.
R Donotu se car wash progr ams withaf inalhot wa xtreat‐
ment.
R Donotu se paint cleane rs,b uffing orpolishi ng prod ucts ,
gl oss preser vers,e .g. wax.
R Alw aysh avep aintw orkr epair scarried out ataq ualif ied
spec ialistworks hop. No
teso nc leaning decorativefoils Obser
vethen otes on matt efinish care inthe
ch ap ter" No teso np aintw ork/matt efinish pain t‐ wo
rkcar e"(/ page 417). The yalsoa pplyto
matt edecor ativefoils. 41
8
Maint enance andcare