2020 MERCEDES-BENZ SL CLASS oil

Make
surethatwindshield washerconcen-
trate isnot spilled inthe vicinity ofthe filler
neck . Example
X To open: pullcap 0043upwa rdsbythe tab.
X Add thepremixed washerfluid.
X To close :press cap0043onto thefiller neck
until itengages.
If the washer fluidlevel drops below therec-
ommended minimumfluidlevel of1US qt
(1 liter), amessage appearsinthe multifunc-
tion display prompting youtoadd washer fluid
(Y page 234).
Further information onwindshield washer
fluid/antifreeze (Ypage 329). Overview
ofthe engine compart -
ment Example
engine
0043 Oildipstick
0044 Brake fluidreservoir
0087 Engin eoil cap
0085 Coolant expansion tank
0083 Washer fluidreservoir ASSYST
PLUS Service
display
The ASSYST PLUS service interval displayindi-
cates theremaining timeperiod orthe remain-
ing distance tothe next regular service due
date.
Inform ationonthe type ofservice andservice
intervals (seetheseparate Maintenanc eBook-
let).
You canobtain further information froman
authorized Mercedes-Ben zCenter orat
http: //www.mbusa.com (USAonly).
i The
ASSYST PLUS service interval display
does notshow anyinformation onthe
engine oillevel. Observe thenotes onthe
engine oillevel (Ypage 269).
The multifunction displayshowsaservice dis-
play forafew seconds, e.g.:
R Service Ain ..Days Service
Ain ..Days
R Service ADue Service
ADue
R Service AExceeded by..Days Service
AExceeded by..Days
Depending onthe operating conditionsof the
vehicle, theremaining timeordistance until
the next service duedate isdisplay ed.
The letter A A
or B B,
possibly inconn ection witha
number oranother letter,shows thetype of
service. A A
stands foraminor service andB B
for
a major service.
You canobtain further information froman
authorized Mercedes-Ben zCenter.
Depending onhow thevehicle isused, the
ASS YST PLUS service interval displaymay
reduce theservice interval, e.g.inthe follow-
ing situations:
X the vehicle isprimarily usedtotravel short
distances
X ifthe engine isoften leftidling forlong peri-
ods
X ifthere arefrequent coldstart phases
Mercedes-Ben zrecommen dsyou avoid such
operating conditions.
The ASSYST PLUS service interval displaydoes
not take intoaccount anyperiods oftime dur-
ing which thebattery isdisconnec ted. 272
ASSY
STPLUSMaintenance andcare

Maintaining
thetime-dependent servicesched-
ule:
X Note down theservice duedate display edin
the multifunction displaybeforedisconnec t-
ing the battery.
or X Aft erreconn ectingthebattery, subtract the
battery disconnec tionperiods fromtheser-
vice date shown onthe display . Hiding
service displays
X Press the0076 or0038 button onthe steer-
ing wheel. Showing
servicedisplays
X Switch onthe ignition.
X Press 0059or0065 onthe steering wheel
to select theServ. Serv.
menu.
X Press 0063or0064 toselect theASSYST ASSYST
PLUS PLUS
submenu andconfirm bypressing the
0076 button.
The service duedate appears inthe multi-
funct iondisplay . Informat
ionabout Service
Resetting theASSYST PLUSservice
interval display !
If
the ASS YST PLUS service interval dis-
play hasbeen inadvertent lyreset, thisset-
ting canbecorrect edataqual ified special-
ist workshop.
Have service workcarried outasdescribed
in the Maintenanc eBooklet. Thismay other-
wise leadtoincreased wearanddamage to
the major assemblies orthe vehicle.
A qual ified specialist workshop, e.g.anauthor-
ized Mercedes-Ben zCenter, willreset the
ASS YST PLUS service interval displayafterthe
service workhasbeen carried out.Youcan
also obtain further information onmainte-
nance work,forexample. Special
servicerequirements The
specified maintenanc einterval takesonly
the normal operation ofthe vehicle into
account. Serviceworkwillneed tobe per-
formed moreoften ifthe vehicle isoperated
under arduou scondition sor increased loads.
The ASSYST PLUS service interval displayis
only anaid. Thedriver ofthe vehicle isrespon-
sible forwhether serviceworkwillneed tobe
performed morefrequently thanrequired asa
result ofthe actual operating conditions
and/or loads.
Examples ofarduou soperating conditions:
R regular citydriving withfrequent intermedi-
ate stops
R the vehicle isprimarily usedtotravel short
distances
R frequent useinmountainous terrainoron
poor roadsurfaces
R the engine isoften leftidling forlong peri-
ods
R particularly dustycondition s,or ifair-recir-
culation modeisfrequently used
In these orsimilar operating conditions,have
the interior filter,airfilter, engine oiland oilfil-
ter, forexample, changedmorefrequently.
Under arduou soperating conditions,the tires
must becheck edmore often. Further informa-
tion canbeobtained ataqual ified specialist
workshop.
Driving abroad An
exten siveMercedes-Ben zService network
is also availa bleinother countr ies.You can
obtain further information fromanyauthorized
Mercedes-Ben zService Center. Care
Notes
oncare H
Environmental
note
Dispose ofempty packaging andcleaning
cloths inan environm entallyresponsible
manner.
! When
cleaning yourcar,donot use:
R dry, coarse orhard cloths
R abrasive cleaningagents Care
273Maintenance andcare Z

Observe
thelegal requirements ineach coun-
try.
X Do not use hotwater anddonot wash the
vehicle indirect sunlight.
X Use asoft sponge toclean.
X Use amild cleaning agent,suchasacar
shampoo approved byMercedes-Benz .
X Thoroughly hosedown thevehicle witha
gentle jetofwater.
X Do not point thewater jetdirectly towards
the airinlet orthe edges ofdecorative foils.
X Use plenty ofwater andrinse outthe
sponge frequently.
X Rinse thevehicle withclean water anddry
thoroughly withachamois.
X Do not letthe cleaning agentdryonthe
paintwork orthe decorative foils.
Careful lyremove alldeposits ofroad saltas
soon aspossible whendriving inwinter.
Powe rwashers G
WARNING
The water jetfrom acircular jetnozz le(dirt
blasters) cancause invisible exteriordam-
age tothe tires orchassis component s.
Components damagedinthis way may fail
unexpectedly. Thereisarisk ofan accident.
Do not use power washers withcircular jet
nozz lestoclean thevehicle. Havedamaged
tires orchassis component sreplaced imme-
diately .
! Vehicles
withdecorative film:parts ofyour
vehicle arecovered withdecorative film.
Maintain adistance ofat least 27.5in
(70 cm) between thefilm-covered partsof
the vehicle andthenozz leof the power
washer.
Information aboutthe correct distance is
avail able from theequip ment manufacturer.
Move thepower washer nozzlearound when
cleaning yourvehicle.
The water temperature ofthe power washer
must notexceed 140‡(60 †).
! Alway
smaintain adistance ofat least
12 in(30 cm) between thevehicle andthe
power washer nozzle.Information aboutthe
correct distance isavail able from theequip -
ment manufacturer. Move
thepower washer nozzlearound when
cleaning yourvehicle.
Do not aim directly atany ofthe followi ng:
R Tires
R Door gaps, roofgaps, joints, etc.
R Electrical component s
R Battery
R Plug-type couplings
R Light bulbs
R Seals
R Trim elements
R Ventilation slots
Damaged sealsorelectrical component s
can lead toleaks orfailu res.
! Vehicles
withHAND S-FREE ACCESS: ifa
key with KEYLES S-GOiswithin thedetec-
tion range ofthe KEYLES S-GOantenn as,the
trunk lidcould openunintent ionallyinthe
followi ngsituations, forexample:
R when usinganautomatic carwash
R when usingapower washer
Make surethatthekey isat least 6.5ft
(2 m) awa yfrom thevehicle.
Cleani ngthe paintwork !
Do
not affix:
R stickers
R films
R magnetic platesorsimila ritems
to painted surfaces. Youcould otherwise
damage thepaintwork.
Scratc hes,corrosive deposits,areasaffected
by corrosion anddamage causedbyinade-
quate carecannot alwaysbe completely
repaired. Insuch cases, visitaqual ified spe-
cialist workshop.
X Remove dirtimmediately ,where possible ,
while avoidi ngrubbing toohard.
X Soak insect remains withinsect remover
and rinse offthe treated areasafterwards.
X Soak birddroppings withwater andrinse off
the treated areasafterwards.
X Remove treeresin, oils,fuels andgreases by
rubbing gentlywithacloth soaked inpetro-
leum ether orlighter fluid
X Remove coolantandbrake fluidwithamoist
cloth andclear water. Care
275Maintenance andcare Z

X
To sto w:foldthe reflecti vesafety jacke t,
rol lit up and stow itin safety jacke tba g0043 .
X Sli de safety jacke tba g0043 along thelowe r
ed ge ofthe arm restinto thesafety jacke t
comp artment.Meanwhile, ensu retha tthe
lo op hangs outwe llwi thi nrea ch.
i Re
move anew reflecti vesafety jacke t
from itspackag ingmateri albe fore slid ing it
into thesafety jacke tcomp artment.The
pa ckag ingmateri alma yothe rwisecau seit
to slip ou tor ma kerem oving itdiffi cul t.
Obs ervethe lega lreq uirem ents ineach cou n-
try .
Note son the reflective safetyjack et 0043
Maximu mnum berof wa she s
0044 Maximu mwa sh temp erature
0087 Donot blea ch
0085 Donot iron
0083 Donot usealaund rydry er
0084 Donot dry-cle an
006B Thisis acla ss2ves t
R The reflecti vesafety jacke tsmee tthe
req uirem ents define dby the lega lsta nda rd
onl yif:
- the corr ectsize isus ed and
- the reflecti vesafety jacke tis corr ectly
fas tened
R Befo reuse, ensu retha tthe reflecti vesafety
jacke tis cle an and intact.The specialpro p-
erti esma yothe rwisebe comp romised.
R The reflecti vesafety jacke tssho uld be
stor edinthei rori ginal packag inginadry
pl ace away from sources ofhea tand light.
R The maximu mnum berof wa she sspe cified
is not theonlyfac tor influencing thelife
spa nof the reflecti vesafety jacke ts.The ir
li fe spa nalso depends onuse, car e,stor age,
etc. R
The reflecti vesafety jacke tssho uld be dis-
po sed ofand replaced with new ones :
- afte r15 washe s,and /or
- ifthe reflecti vestri pshave become
scra tched ,and /or
- ifthe backing materi aland /or reflecti ve
stri pshave become soiled and canno tbe
cle ane doff, and/or
- the reflecti vesafety jacke t'sfluore scenc e
ha sfad ed,e.g .du eto the effectsofsun-
li ght
R Disp oseofthe reflecti vesafety jacke tin an
envi ronme ntallyres ponsi ble ma nner. Todo
so, conta ctyour local waste dispo salcom-
pa ny. Vehi
cle too lkit
Gen eral notes The
towingeyeis locate din the trunk ina
bra cket below the trunk lid lock.
If yo ur veh icleis eq uipp ed with aTIR EFIT kit,it
is locate din the stow agespa ceund erthe
trunk floor.
Vehi cles with aTIRE FITkit The
TIREFIT kitislocate din the stow agewe ll
und erthe trunk floor (Y page 255 ). 0043
Tow ingeye
0044 Tire sea lant fillerbo ttle
0087 Fuseallo cati oncha rt
0085 Tire infl ation comp ressor
0083 Stow agetray openi ng
X To rem ove towingeye0043 raise the openi ng
on stow agetray 0083.
X Use theTIREFIT kit(Ypage 282 ). 28
0 Whe
rewillIfin d...?Breakdo wnassis tan ce

X
Remo vethecap from valv e006B onthefault y
ti re.
X Sc rew filler hos e006C onto thevalv e.
X Inser tplug 0085intoth esoc ketof thecig a-
ret teligh teror intoa12 Vpower socketin
your vehicle.
X Turn theSm artKey topos ition 0047intheign i-
ti on lock(Y page 126).
X Pre sson and offswit ch0087 onthetire infla-
ti on compr essortoI.
The tire inflat ion compr essorisswit ched on.
The tire isinf lat ed.
Fir st,ti re sealan tis pump edintoth etire.
The pressur ecan brieflyriseto appr ox-
imat ely500kP a(5. 0bar/7 3psi) .
Do not swit choff thetire inflation com -
pr essor during this ph ase .
X Let thetire inflat ion compr essorrun fora
max imum offivemin utes.The tire sho uld
th en hav eatt ain ed apre ssur eof at least
18 0kP a(1. 8bar/ 26psi) .
If atire pre ssur eof 18 0kP a(1. 8bar/2 6psi)
has been attain ed afterfivemin utes:
(Y page 284).
If atire pre ssur eof 18 0kP a(1.8 bar/26 psi)
ha snot been atta inedafte rfiv eminu tes:
(Y page 284 ).
If tire sealant hasesca ped, cle an itoff affecte d
are asasquickl yas possi ble. Itis pre fera ble to
us ecle an water.
If yo ur clo thes aresoiled wi th tire sealant,
ha ve them cleane dwi th perchl oroethy lene ata
dry cleane ras soo nas possi ble. Tire
pres sure notreac hed If
apre ssu reof180 kPa(1.8 bar/26 psi)ha s
not been atta inedafte rfiv eminu tes:
X Swi tch offthe tire inflation comp ressor .
X Unscr ewthe fillerhos efrom thevalve ofthe
fau ltytire .
Note thattire sealant ma yesca pewhen you
uns crew thefillerhos e.
X Ver yslow lydri ve forw ardsor reve rse
ap pro xima tely30 ft(10 m).
X Pu mp upthe tire again.
After ama ximu mof fiveminu testhe tire
pre ssu remu stbe atleas t180 kPa(1.8 bar/
26 psi). G
WA
RNING
If the required tire pressu reisnot reached
afte rthe specified time ,the tire istoo badly
da mag ed.The tiresealant cannot repairthe
tire inthis insta nce. Dama gedtiresand a
tire pressu rethat istoo low can signifi cantl y
imp airthe vehi cle'sbra king anddriving
cha racte ristics. Thereisaris kof acci dent.
Do not continu edri ving .Co ntact aqu alifi ed
spe cialist wo rksho p.
Tire press urereac hed G
WARNI
NG
A tire tempo rarily sea led wi th tire sealant
imp airs the vehi cle'sdri ving characte ristics
and isnot suita ble for driving athig her
spe eds.The reisaris kof an acci dent.
Ada ptyour driving styleacco rdingly and
dri ve care fully.Do not excee dthe maxi mum
per mis siblespe edfor atire sealed wi th tire
sea lant.
The maxi mum permis siblespe edfor atire
sea led wi th tire sealant is50 mph (80km/h ).
The upper partof the TIREFIT sticke rmus tbe
affi xed tothe instru ment cluster inthe driver' s
fie ldof vis ion.
! Re
sid ue from thetire sealant may come
ou tof the fillerhos eafte rus e. Thi scou ld
cau sestai ns.
The refo re,place thefillerhos ein the plasti c
ba gwhi chcontai nedtheTIREFIT kit. 284
Fl
at tireBreakdo wnassi stanc e

Maximum
loadedvehi cleweight
The maximu mwei ght isthe sum of:
R the curb weight ofthe vehicl e
R the weight ofthe accesso ries
R the loadlimi t
R the weight ofthe factory installedoptiona l
equ ipme nt
Kil opasc al(kPa)
Metric unitfortire pressu re.6.9 kPa corre-
sponds to1psi. Another unitfortire pressu re
is bar. 100 kilop ascals(kPa) arethe equivalent
of 1bar.
Load index
In add ition tothe load-bea ringindex, theload
index mayalsobe impri nted onthe side wallof
the tire. This speci fiestheload-bea ringcapa -
city more precis ely.
Curb weight
The weight ofavehicl ewith standard equip-
ment includ ingthe maximu mcapa cityoffuel ,
oil and coola nt.Itals oinclud esthe air-condi -
tioning system andoptiona lequ ipme ntifthese
are install edinthe vehicl e,but does not
includ epass engers orlug gage .
Maximum loadrating
The maximu mloa drating isthe maximu mper-
missi bleweight inkilog rams orlbs forwhi cha
tire isapp roved.
Maximum permissibletire pressure
Maximu mpermi ssibletire pressu refor one
tire.
Maximum loadonone tire
Maximu mloa don one tire. This iscalcu lated
by divi ding themaximu maxle loadof one axle
by two.
PSI (poun dsper square inch)
A standar dunit ofmeasu refor tire pressu re.
Aspe ctratio
Rel ationshi pbetwe entire heig htand tirewidth
in percent.
Tire pressure
This ispressu reinsid ethe tire applying anout-
ward force toeach square inch ofthe tire's
surfa ce.The tirepressu reisspeci fiedin pou
nds persquare inch (psi),in kilop ascal
(kPa) orinbar. Thetirepressu reshou ldonly
be corrected whenthetires arecold.
Col dtire pressure
The tires arecold:
R ifthe vehicl ehas been parked withthetires
out ofdire ctsunli ghtforatlea stthree hours
and
R ifthe vehicl ehas notbeen drivenfurther
than 1mile (1.6km)
Tread The part ofthe tire that comes intocontact
with theroad .
Bead
The tirebeadensure sthat thetire sits
secure lyon the whee l.There aresevera lsteel
wire sin the beadto prevent thetire from com-
ing loos efrom thewhee lrim.
Sidew all
The part ofthe tire betwe enthe tread andthe
bea d.
Weig htofoption alextras
The combined weight ofthose optiona lextras
that weighmore thanthereplaced standard
parts andmore than2.3kg(5lbs) .These
optiona lextras, suchashigh -performa nce
brakes ,level control, aroof rack orahigh -per-
formance battery,are not includ edinthe curb
wei ght and theweight ofthe accesso ries.
TIN (Tire Identification Number)
This isauniq ueidentifier whichcan beused
by atire manufa cturertoide ntify tires, for
exampl efor aprodu ctrecal l,and thus identify
the purcha sers.TheTINismade upofthe
manufa cturer's identity code, tiresize, tire
type code andthemanufa cturing date.
Load bearin gindex
The loadbea ring index (also loa dindex) isa
code thatcontains themaximu mloa dbea ring
capa cityofatire.
Traction Traction isthe resul tof friction betweenthe
tires andtheroad surface. Al
labout wheelsand tires
315Wheelsand tires Z

Treadw
earindic ators
Na rro wba rs (tre adwearbars) thatar edistri b-
ute dove rthe tire trea d.Ifthe tire trea dis level
wi th the bars, the wearlimit of00CD in(1.6 mm)
ha sbe en rea che d.
Oc cupant distrib utio n
The distri butio nof occu pants inaveh icleat
thei rde signa ted seating positio ns.
Total load limit
Nom inallo ad and lugga geload plus 68 kg
(150 lbs) mu ltiplied by the num berof sea tsin
the vehicle. Ch
ang ingawh eel Fl
at tire
The "Breakdo wnassista nce" section
(Y page 281 )conta insinfo rma tionand note s
on how todealwith afla ttire .Info rma tionon
dri ving with MOExte ndedtire sin the eventofa
fla ttire can befou ndund er"M OExtend edtire s
(ti res with run-fla tcha racteri stics"
(Y page 281) . Rotati
ngthe wheels G
WA
RNING
Ro tati ngthe fron tand rearwh eelsifthe
wh eelsor tire sha ve diffe rent dimens ions
ma ysev erelyimp airthe driving characteri s-
tics .The servicebra keorwh eelsu spe nsion
comp onents mayal so be dama ged. The reis
a ris kof an acci dent.
Ro tate front andrearwh eelsonl yif the
wh eelsand tiresar eof the same dimen-
si ons.
! On
veh icles equipp ed with atire pressu re
moni tor,electro niccomp onents arelocate d
in the wheel.
Ti re-m ounting toolssho uld not beused nea r
the valve .Thi scou ldda ma gethe electro nic
comp onents.
Onl yha ve tire scha nge dat aqu alifi ed spe -
cia list wo rksh op. Alw
ayspa yatte ntionto the instructio nsand
sa fety note swh en cha nging awh eel
(Y page 316 ).
The wearpatterns onthe fron tand reartire s
di ffe r,de pendi ng on the opera ting cond itions.
Ro tate thewheelsbe fore acle arwe arpattern
ha sform edon the tires.Front tirestyp ically
we armor eon the shoulde rand reartire sin
the cente r.
On veh icles tha tha ve the same size front and
rea rwh eels,yo ucan rotatethe wheelsacco rd-
ing tothe intervalsin the tire manuf actu rer's
wa rranty book inyour veh icledo cum ents. Ifno
wa rranty book isavaila bl e, the tiressho uld be
rota tedevery3,0 00 to6,0 00 miles(5,000 to
10, 000 km).Dep endingontire wear,thi sma y
be req uired earlier. Do not change thedirec-
tio nof wh eelrota tion.
Cl ea nthe conta ctsurfa ces ofthe wheeland
the brakedisc thor oughl yeve rytime awh eel
is rota ted.Ch eck thetire pressu reand reacti-
va te the tire pressu remoni torifnece ssary. Di
rec tionof rotati on
Ti res with aspe cified directi onofrota tionha ve
ad ditio nal benefi ts,e.g.if ther eis aris kof
hy dro plani ng. Theseadvantag escan onlybe
ga ine difthe tiresar eins talled corr espond ing
to the directi onofrota tion.
An arrow onthe side wa llof the tire indicates
its corr ectdirecti onofrota tion. Sto
ringwh eels
Store wheelstha tar enot being used inacoo l,
dry and preferablyda rk place .Pro tect thetires
from oil,gre ase, gasol ine and diese l. Mou
nting awh eel
Pre parin gthe vehic le X
Stop thevehicleon solid,non-sl ippe ry and
le vel ground .
X Unl oadthe vehicle. The jack canonlybe
us ed when the vehicleis unl aden.
X App lythe electri cpa rking brakema nua lly.
X Bri ng the fron twh eelsinto thestra ight-
ah eadpo sitio n. 31
6 Ch
ang ingawh eelWhe elsand tires

R
The jack must beplaced onafirm, flatand
non- slipsurface. Onaloose surface, alarge,
flat, load-bearing underlaymustbeused. On
a slippery surface, anon- slipunderlay must
be used, e.g.rubber mats.
R Do not use wooden blocksorsimilar objects
as ajack underlay. Otherwise, thejack will
not beable toachieve itsload-bearing capa-
city due tothe restr icted height.
R Make surethatthedistance between the
underside ofthe tires andtheground does
not exceed 1.2in(3 cm).
R Never placeyourhands andfeet under the
raised vehicle.
R Do not lieunder thevehicle.
R Do not start theengine whenthevehicle is
raised.
R Do not open orclose adoor orthe trunk lid
when thevehicle israised.
R Make surethatnopersons arepresent in
the vehicle whenthevehicle israised.
Vehicles withalloy wheels andhub caps:
the wheel boltsarecovered byahub cap.
Before youcan unscrew thewheel bolts,you
must remove thehub cap. Twodifferent var-
iants canbeinstalled. X
To remove: takesocket 0044and lugwrench
0087 from thevehicle toolkit(Ypage 280).
X Position socket0044onhub cap0043.
X Position lugwrench 0087onsocket 0044.
X Using lugwrench 0087,turn hubcap0043coun-
ter- clock wiseandremove it.
X To install: beforeinstalling, checkhub
cap 0043and thewheel areaforsoiling and
clean ifnecessary.
X Put hub cap0043inposition andturn until itis
in the right position. X
Position socket0044onhub cap0043.
X Attach lugwrench 0087tosocket 0044and
tighten hubcap0043.
The tighten ingtorque mustbe
18 lb-ft (25Nm).
i Note
thatthehub capshould betight-
ened tothe specified torqueof18 lb-ft
(25 Nm). Mercedes- Benzrecomm endsthat
you have thehub capinstalled ataqualified
specialist workshop. X
Using lugwrench 0087,loosen thebolts on
the wheel youwish tochange byabout one
full turn. Donot unscrew thebolts com-
pletely. The
jackingpoints arelocated justbehind the
front wheel housings andjust infront ofthe
rear wheel housings (arrows).
Mercedes-AMG vehiclesandvehicles with
AMG equipm ent:toprotec tthe vehicle body,
the vehicle hascovers installed nexttothe
jack ingpoints onthe outer sills. 318
Changing
awheelWheels andtires