engine MERCEDES-BENZ S-CLASS 2020 Workshop Manual

Ve
hicle identif ication plate(Canada only)
1 Maximum permissible gross vehicle weight
2 Maxim umpermissib lefront axle load
3 Maxim umpermissib lerear axle load
4 Paint code
5 VIN (vehicle identificat ion numb er)
The permissib legross vehicle weight ismade up
of thev ehicle weight ,allve hicle occupants, the
fuel andthel oad. Themaximum gross axle
we ight rating isthem aximum weight that can be
car ried on one axle (front orrear axle ). Ne
vere xceed thep ermissible gross vehicle
we ight orthem aximum gross axle weight rating
fo rt he front orrear axle .
VIN infront ofthef ront seat 1
VIN (vehic leiden tificat ion num ber) Ad
diti onalplat es 1
Platewit hinfor mat ionabout emissionstest‐
ing, including confirm atio nofemis sion s
guideli nesattheU .S.feder alleve la sw ellas
fo rC alifor nia
2 VIN (vehicl eidentif icationnumber)
3 Engine number (sta mp edintot he crankcase) Te
ch nica ldata 48
1

Onl
yuseproducts approvedbyM ercedes-Ben z.
Yo uc an iden tifyo peratin gfluids approvedby
Mer cedes-Ben zbythe follo wing inscript ions on
th ec ontainer :
R MB- Freig abe (e.g. MB-Freig abe 229. 51)
R MB- Appr oval (e. g.MB- Approva l2 29 .51)
Fu rther information onappr ovedoper ating flu‐
ids:
R intheM ercedes- BenzSpecif ication sfor
Oper ating Fluids athttp:/ /bevo.mercedes-
benz.co m(byentering thed esignation )
R intheM ercedes- BenzSpecif ication sfor
Oper ating Fluids intheM ercedes- BenzBeVo
app (bye nter ing thed esignation )
R ataq ualif iedspec ialistworks hop Fu
el No
teso nfuel grades forv ehic leswithag as‐
olin eengine
Obser vethen otes on oper ating fluids
(/ page482). *
NO
TEDama gecau sed bythew rong fuel Ev
en small amounts ofthew rong fuel could
re sult indamag etot he fuel system, the
engine andthee mission control system. #
Onlyrefuel withlow -sul furunlead ed
fuel.
This fuelmaycont ain upto10%e thanol by
vo lume. Your vehicle issuit able foru se wit h
E1 0f uel .
Ne verrefuel witho neofthef ollo wing fuels:
R Diesel
R Gasoli newithm oret han 10%e thanol by
vo lume, e.g.E15, E8 5,E100
R Gasoline withm oret han 3%methano lby
vo lume, e.g.M15,M30 ,M85,M 100
R Gasoline witha dditiv escon tainin gm etal
If yo uh ave acciden tallyr efueled withthe
wr ong fuel: #
Donots wit ch on thei gnition . #
Consult aqualif iedspec ialistworks hop. If
th ea vailable fuelisno ts ufficie ntly lowi ns ul‐
fur ,this can produce unpleas antodor s.
Onl yrefuel withfuel ,that has atleas tthe oct ane
number specifiedinthei nstruction labelinthe
fuel filler flap (/ page189).
If yo uw ant maxi mume ngine output:onl y
re fuel withu nleade dpremiu mg rade gasoline
wit ha tleas t91A KI/95 RON.
As atem por arym easur e,ifth er ecom mende d
fuel isno ta vailable, youm ayalso useunle aded
re gular gasoline witha no ctane number ofat
leas t87A KI/9 1RON.
* NO
TEPrema turew ear thro ugh unleaded
re gular gasoline Un
leade dregular gasoline cancause the
engine towe armor equicklya nd impair lon‐
ge vity and perform anc e.
If unle aded premium grade gasoline is
una vailable andyouh ave torefuel using
unle adedregular gasoline with8 7A KI/
91 RON: Te
ch nica ldata 48
3

#
Onlyfillthef uel tank tohalf fullwith
unleaded regular gasoline andtopu pas
soon aspossible withu nleaded pre‐
mium grade gasoline. #
Donotd rive atthem aximum speed. #
Avoid sudden accelerationandengine
speeds over3000 rpm. This
mayreduce engine perform anc eand
inc rease fuel consum ption. Neverrefuel using
ga soline withal oweroctane number .
Fu rther information onfuel canbefound:
R atag asstatio n
R ataq ualif iedspec ialistworks hop
R USAo nly: at http :/ /www .mbusa. com
Inf orma tion onaddit ives ingasoline
Obser vethen otes on oper ating fluids
(/ page482). *
NO
TEDama gefrom use ofunsu itabl e
add itives Ev
en smal lamou ntsofthew rong additiv e
ma ylead tomalfu nctions occurring. #
Only addc leani ng additiv es recomme n‐
ded byMer cedes-Ben ztot he fuel. Mer
cedes-Benz recomme ndsthat youu sefuel
br and sthat have addit ives.
In som ecoun tries, thef uel available maynot
ha ve suf ficie ntadditiv es. Residue could buildup
in thef uel injec tionsystem asaresult. Inthis
case, incon sult ation witha na uthor ized
Mer cedes -Benz Cent er,t he fuel maybem ixed
wit hthe cleaning additiverecom mende dby
Mer cedes-Ben z.Be suretoo bser vethen otes
and mixing ratio ss pecified on thec ontainer . Ta
nk cont entand fuel reser ve Model
Total cap acity
Al lm odels 21.1ga l(80. 0liter s) Model
Ofwhic hreser ve
All mod els2 .1ga l(8. 0l iter s) Engine
oil No
teso ne ngine oil
Obser vethen otes on oper ating fluids
(/ page482). 48
4
Tech nica ldata

*
NO
TEEngi nedama gecau sed byan
inc orrect oil filt er ,inc orrect oil oraddi‐
tiv es #
Donotu se engi neoilso roilfilt er so ther
th an those whic hmeetthe specif ica‐
tions necessar yfor thep rescr ibed
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. #
Have thee ngine oilchang edafte rt he
pr escr ibed interva ls. Mer
cedes -Benz recomme ndsthat youh avet he
oil chang ecarried out ataq ualif iedspec ialist
wo rkshop.
Fu rther information onengine oiland oilfilt er si s
av ailable atthef ollo wing locations:
R IntheM ercedes- BenzSpecif ication sfor
Oper ating Fluids byent ering thed esignation
- Athttps: //bevo.mer cedes-b enz.com
- IntheM ercedes- BenzBeVoapp R
Ataq ualif iedspec ialistworks hop
Quality andcapacity ofengine oil
MB-F reigabe orMB- Appr oval Sedan
Engineoilspec ifica‐
tion s
S4 504MA TIC 229.5
229.6*
S5 604MA TIC 229.52
229.6 1* MB-F
reigabe orMB- Appr oval Lo
ng whe elbase
ve hicl es Eng
ineoilspec ifica‐
tions
S4 50
S4 504MA TIC 229.5
229.6*
All other models 229.52
229. 61* MB-F
reigabe orMB- Appr oval Mer
cedes‑Ma ybachE ngine oilspecif ica‐
tions
S6 50Mer cedes- May‐
bac h 229.
5
S5 604MA TIC
Mer cedes- Maybac h 229.
52
229. 61* *R
ecom mende dfor lowe stpossible fuelcon‐
sum ption (lowe stSA Ev iscos ityclassineach
case ;observe possible restrictions ofthe
appr ovedSAE viscosity classe s).
To achie vethel owe stpossible fuelconsum ption,
it is recomme ndedtouse thee ngine oilspecif i‐
cation smarke di nt he table fort he lowe stSA E
viscosi tyclass .Possible restrictions ofthe
appr ovedSAE viscosity classe sm ustb e
obser ved.
S6 50 Mer cedes-Ma ybach:Onl yuseSAE
0W -40 orSA E5 W-40 eng ineoils.
The follo wing values refert oa no ilch ang e,
inc ludin gthe oilfilt er . Te
ch nica ldata 48
5

Cap
acity Seda
nC apacity
S4 504MA TIC 6.9USqt(6.5 liter s)
S5 604MA TIC 9.5USqt(9.0 liter s) Lo
ng whe elbase
ve hicl es Capaci
ty
S4 50
S4 504MA TIC 6.9
USqt(6.5 liter s)
All other models 9.5USqt(9.0 liter s) Mer
cedes‑Ma ybachC apacity
S6 50Mer cedes -May‐
bac h 11
.1 US qt
(1 0.5 liter s)
S5 604MA TIC
Mer cedes-Ma ybach 9.5
USqt(9.0 liter s) No
teso nb rake fluid Obser
vethen otes on oper ating fluids
(/ page482). &
WARNIN GRisk ofan acci dent duet o
va por pockets form ing intheb rake sys‐
te m
The brak ef luid cons tantly absor bsmoi stur e
fr om thea ir.T his lowe rstheb oiling pointof
th eb rake fluid. Ifth eb oiling pointistool ow ,
va por pockets ma yformi nthe brak es ystem
when theb rake sa reapplied hard.
This causes theb raking effect to be
im pair ed. #
Have theb rake fluid rene we da tthe
specif iedinterva ls. Ha
ve theb rake fluid regular lyreplaced ata
qu alif ied spec ialistworks hop.
Onl yusebrak ef luid appr ovedbyM ercedes-Ben z
accor dingtoMB-F reigabe orMB- Appr oval 33 1.0. Yo
uc an obt ain further information onbrak ef luid
in thef ollo wing places :
R IntheM ercedes- BenzSpecif ication sfor
Oper ating Fluids
- Athttps: //bevo.mercedes-b enz.com
- IntheM ercedes- BenzBeVoapp
R Ataq ualif iedspec ialistworks hop Cool
ant No
teso nc oolant
Obser vethen otes on oper ating fluids
(/ page482). &
WARNIN G‑R isko ffirea nd injuryf rom
ant ifreez e
If ant ifreez ecom esintoc ontact with hot
com ponent partsinthee ngine compart‐
ment ,itm ayignit e. #
Allo wthe engine tocool down before
ad ding anti freeze . #
Makesur ethat noantifr eezespillsout
ne xt to thef iller open ing. 486
Tech nica ldata

#
Thor oughly cleanoffa ny antifr eeze
fr om com ponent partsbef ores tarting
th ev ehicle. *
NO
TEDama gecau sed byinc orrect cool ‐
ant #
Onlyadd cool antthat has been pre‐
mix edwiththe requ ired ant ifreeze pro‐
te ction.
Inf ormati onon cool antisavailable atthef ol‐
lo wing locations:
R IntheM ercedes- BenzSpecif ication for
Oper ating Fluids 310.1
- Athttp: //be vo.mer cedes-b enz.com
- IntheM ercedes- BenzBeVoapp
R Ataq ualif iedspec ialistworks hop *
NO
TEOverhea ting athigh outsid etem‐
per atur es If
an inap propr iatec oolant isused, the
engine cooling system isno ts ufficie ntlyp ro‐ te
cted agains to verheating andcorrosion at
high outside temp eratur es. #
Alw aysu secoolant approvedby
Mer cedes-Ben z. #
Obser vethei nstruction sint he
Mer cedes-Ben zSpecif ications forO per‐
ating Fluids310.1. Ha
ve thec oolant regular lyreplaced ataq ualif ied
spec ialistworks hop.
The propor tionofcor rosion inhibit or/antifr eeze
concen trat ei nt he engine cooling system should
be:
R am inimum of50% (antifr eezeprotect ion
do wn toappr oximat ely- 35 °F(-37° C))
R am axim umof55% (antifreeze protect ion
do wn to-49 °F(-45 °C)) Co
olant capacity Se
dan Capacity
S4 504MA TIC 13.9 US qt
(1 3.2 lite rs)
S5 604MA TIC 15.0 US qt
(1 4.2 lite rs) Long
wheelba se
ve hicl es Capaci
ty
S4 50
S4 504MA TIC 13
.9 US qt
(1 3.2 lite rs)
All other models 15.0 US qt
(1 4.2 lite rs) Mer
cede s‑Maybac hC apacity
S6 50Mer cedes -May‐
bac h 16
.9 US qt
(1 6.0 lite rs)
S5 604MA TIC
Mercedes -Maybach 15
.0 US qt
(1 4.2 lite rs) Te
ch nica ldata 48
7

Disp
laym essag es
Possible causes/conseq uencesand0050 0050
Solutions
Á Replace KeyBattery *T
heSmar tKey batt eryi sd ischar ged. #
Replace theb attery( /pag e66).
Á Key NotDetected (whit e
displa ymessag e) *T
heSmar tKey iscur rentl yu ndetect ed. #
Chang ethe location oftheS mar tKey inthev ehicle. #
Ifth eS mar tKey isstill no trecog nized, placeitin them arke ds pace fors tartin gw itht he Smar tKey
( / pag e173).
Á
Ke yN otDete cted (red dis‐
pl ay messa ge) *T
heSmar tKey canno tbed etect edand maynolong erbe inthev ehicle.
The Smar tKey isno long erinthev ehicle andyous wit ch offt he engine:
R Youc an no longers tart thee ngine.
R Youc anno tc entrall yloc kt he vehicle. #
Ensur ethat theS mar tKey isin thev ehicle.
If th eS mar tKey detection functi onhasam alfuncti onduet oas trong radio signal source: #
Stop thev ehicle immediat elyinaccor dance withthe traf ficc ondi tions . #
PlacetheS mar tKey inthem arke ds pace fors tartin gt he engine withthe Smar tKey (/ pag e173). Displ
aymessa gesa nd warning/ indic ator lam ps 49
7

Disp
laym essag es
Possible causes/conseq uencesand0050 0050
Solutions
Place theKey inthe
Marked SpaceSeeOpera-
tor's Manual *S
mar tKey detection ismal functi oning. #
Chang ethe location oftheS mar tKey inthev ehicle. #
Place theS mar tKey inthem arke ds pace fors tartin gt he engine withthe Smar tKey (/ pag e173).
Á
Don't Forget YourKey *A
warning tone also sou nds. Thism essage reminds yout ot akey our keyw ithy ou when youl eave thev ehicle. Lights
Displa
ymessag es
Possible causes/conseq uencesand0050 0050
Solutions
0049 Check LeftLow
Beam (exa mp le) *T
hecor responding lightsourceisfaulty . #
Driveo ncarefull y. #
Con sult aqualif iedspec ialistworks hop immediat ely.
% LED lightbulbs: thed ispla ymessag efor thec orresponding lampappea rsonl yw hen allthel ight-emitt ingdiodes
in thel am parefaulty . 498
Displaym essag esand warning/ indic ator lam ps

Disp
laym essag es
Possible causes/conseq uencesand0050 0050
Solutions
Act ive Hood Malfunct ion
See Operator' sManual *T
heactiv ehood (pedes trian protect ion) ismalfunct ioningorinoper ativeafter having already been trigg ered. #
Cons ultaqualif iedspec ialistworks hop.
0051 *A
tlea st one door isop en. #
Close alld oo rs.
0083 *T
hehood isopen. &
WARNIN GRisk ofacci dent ifth ee ngine hoodisunlatc hedwhile driving
An unloc kede ngin ehood mayopen upwhen thev ehicle isin mo tion andblockyour view. #
Neveru nla tcht he engine hoodwhile driving. #
Beforee very trip, ensur ethat thee ngine hoodislatc hed. #
Stop thev ehicle immediat elyinaccor dance withthe traf ficc ondi tions . #
Close theh ood.
0084 *T
hetrunk lidisopen. &
DANG ER Risk ofexhaus tgas poi son ing
Com bustione ngines emitpoisonous exhaus tgases suchascarbon monoxide.Exhaus tgases canenterthe
ve hicle interior ifth et runk lidisopen when thee ngine isrunning ,especi ally ifth ev ehicle isin mo tion. 50
4
Displa ymessag esand warning/ indic ator lam ps

Disp
laym essag es
Possible causes/conseq uencesand0050 0050
Solutions
ÿ Coolant TooHotStop Vehi-
cle Turn Engine Off *T
hecoolant istooh ot. #
Stop thev ehicle immediat elyinaccor dance withthe traf ficc ondi tions andswitcho ffthee ngine. &
WARNIN GDang erofburnsw hen opening theh ood
If yo uo pen theh ood when thee ngine hasoverheat edordur ing afirei nt he engine compartment, youc ould
co me intoc ontact wit hh otgases orother escaping operating fluids. #
Beforeo pen ingtheh ood, allowthe engine tocool down. #
Inthee vent ofafirei nt he engine compartment, keep theh ood closed andcallthef ires ervice. #
Waitunt ilth ee ngine hascooled down. #
Mak esuret hat thea irsupply tother adiat orisno timp aired. #
Avoiding highloads onthee ngine, drivet ot he near estq ualif iedspec ialistworks hop. Indoing so,ensur ethat
th ec oolant temp eratur edispla yremain sbelo wt he redm arkin g.
ÿ *T
hefanm otorisf aulty . #
Avoiding highloads onthee ngine, drivet ot he near estq ualif iedspec ialistworks hop. Indoing so,ensur ethat
th ec oolant temp eratur edispla yremain sbelo wt he redm arkin g.
To switch engineoff,press
and hold Start/ Stop but-
ton foratleast 3secs. or
press 3times. *Y
ouhave pressed thes tart/s topb utton while driving. #
Information aboutswitchingofft he engine whiledriving (/page173). 50
6
Dis play messa gesa nd warning/ indic ator lam ps