2019 MERCEDES-BENZ SL ROADSTER maintenance

!
Have
thebattery regularlychecked ata
qual ified speciali stworkshop.
Comply withtheservice intervals inthe
Maintenance Booklet,orcont actaqual ified
speciali stworkshop formore information.
! Alway
shave work onbatteries carriedout
at aqual ified speciali stworkshop.
Should it,inexceptional circumstances, be
absolu telynecessary todisconnect the12-
volt battery yourself,please observe thefol-
lowing:
R Secure thevehicle toprevent itfrom roll-
ing awa y.
R Switch offthe ignition.
R Disconn ectthe negative terminalfirstand
then thepositive terminal.
After thework hasbeen done, install the
battery andreplace thecover ofthe positive
terminal clampfirmly.
Comply withsafety precautions andtake pro-
tect ivemeasures whenhandling batteries. Risk
ofexplosion. Fire,
open flames andsmoking are
prohibited whenhandling thebat-
tery. Avoid creating sparks. Battery
acidiscaustic. Avoidcon-
tact with skin, eyesorclothing.
Wear suitabl eprotective clothing,
especial lygloves, apronandface-
guard.
Rinse anyacid spills immediately
with clear water. Contact aphysi-
cian ifnecessary. Wear
eyeprotection. Keep
children away. Observe
thisOperator's Manual.
For safety reasons, Mercedes-Benz recom-
mends thatyouonly usebatteries whichhave been
tested andapproved foryour vehicle by
Mercedes-Benz .These batteries provide
increased impactprotection toprevent vehicle
occupants fromsuffering acidburns should
the battery bedamage din the event ofan
accident.
In order forthe battery toachieve themaxi-
mum possible servicelife,itmust alwaysbe
sufficiently charged.
Like other batteries, thevehicle battery may
discharge overtime ifyou donot use thevehi-
cle. Inthis case, havethebattery disconnec-
ted ataqual ified speciali stworkshop. Youcan
also charge thebattery withacharger recom-
mended byMercedes-Benz .Contact aqual i-
fied speciali stworkshop forfurther informa-
tion.
Have thebattery condition ofcharge checked
more frequently ifyou usethevehicle mainly
for short tripsorifyou leave itstanding idle
for alengthy period.Consult aqual ified spe-
cialist workshop ifyou wish toleave yourvehi-
cle parked foralong period oftime.
Remove theSmartKey ifyou park thevehicle
and donot require anyelectrical consumers.
The vehicle willthen usevery little energy,
thus conserving batterypower.
After aninterruption tothe power supply,e.g.
due toadischarged battery,youmust reset
the clock (seetheDigital Operator's Manual). Charging
thebattery G
WARNING
During charging andjump-startin g,explosive
gases canescape fromthebattery. Thereis
a risk ofan explosion.
Particularl yavoid fire,open flames, creating
sparks andsmoking. Ensurethereissuffi-
cient ventilation whilecharging andjump-
starting. Donot lean over abattery. G
WARNING
Battery acidiscaustic. Thereisarisk of
injury.
Avoid contactwith skin, eyesorclothing. Do
not inhale anybattery gases.Donot lean
over thebattery. Keepchildren awayfrom
batteries. Washawaybattery acidimmedi- 284
Bat
tery (vehic le)Breakdown assistance

!
To
ensure thelongevity andfullperform-
ance ofthe engine, onlypremium-grade
unleade dgasoli nemust beused.
If standard unleadedgasoli neisunavail able
and youhave torefuel withunleade dgaso-
line ofalower grade, observe thefollowi ng
precautions:
R Only fillthe fuel tank tohalf fullwith regu-
lar unleade dgasoli neand fillthe rest with
premium-grade unleadedgasoli neassoon
as possible .
R Do not drive atthe maximum speed.
R Avoid sudden acceleration andengine
speeds over3,000 rpm.
You willusua llyfind information aboutthe fuel
grade onthe fuel pump. Ifyou cannot findthe
label onthe fuel pump, askthegas station
staff.
i For
further information, consultaqual ified
speciali stworkshop orvisit
http:/ /www.mbusa .com(USA only).
As atemporary measure,ifthe recommended
fuel isnot avail able, youmay alsouseregula r
unleade dgasoli newith anoctane ratingof
87 AKI/91 RON.Thismay reduce engineper-
formance andincrease fuelconsumption.
Avoid driving atfull thrott leand sudden accel-
eration. Neverrefuelusinggasolinewith a
lower AKI.
i The
fuels youcan useinyour vehicle may
differ fromtheinformation inthe Operator's
Manual depending onthe country. Thefuels
that have been approved foryour vehicle
can befound onthe instruction labelonthe
inside ofthe fuel filler flap.
Information onrefueling (Ypage 145).
Additives ingasolin e
! Operating
theengine withfueladditives
added latercanlead toengine failure.Do
not mix fuel additives withfuel. Thisdoes
not include additives forthe removal and
prevention ofresidue buildup. gasoli nemust
only bemixed withadditives recommended
by Mercedes-Benz .Comply withtheinstruc-
tions foruse onthe product label.More
information aboutrecommended additives
can beobtained fromanyauthorized
Mercedes-Benz Center.
Mercedes-Benz recommendsthatyouuse
branded fuelsthathave additives. The
fuel qualityavail able insome countries
may notbesufficient. Residuecould buildup
in the fuel inject ionsystem asaresult. Insuch
cases, andinconsultation withanauthorized
Mercedes-Benz Center,thefuel may bemixed
with thecleaning additiverecommended by
Mercedes-Benz .You must observe thenotes
and mixing ratiosspecified onthe cont ainer. Engi
neoil
General notes !
Do
not use engine oiloran oilfilter with
specifications deviatingfromthose
expressly requiredforthe prescribed service
intervals. Donot change theengine oiloroil
filter inorder toset replacement intervals
longer thanthose prescribed. Thiscould
otherwise causedamage tothe engine or
exhaust gasaftertreatmen t.
Follow theinstruction son the service inter-
val displa yfor changing theengine oil.This
could otherwise causedamage tothe
engine orexhaust gasaftertreatmen t.
When handling engineoil,observe theimpor-
tant safety notesonservice products
(Y page 321).
The engine oilsarematched tothe perform-
ance ofMercedes-Benz enginesandservice
intervals. Youshould therefore onlyuseengine
oils and oilfilters thatareapproved forvehi-
cles with maintenance systems.
For alist ofapproved engineoilsand oilfilters,
consult anauthorized Mercedes-Benz Center.
Or visit thewebsite
http:/ <0012004500480059005200110050004800550046004800470048005600100045
00480051005D[ .com.
The table shows whichengine oilshave been
approved foryour vehicle. Service
productsand fillingcapacities
323Technicaldat a Z

Model MB-Freig
abeorMB-Approval All
models 229.5
Merce
des‑AMGvehic les:use only
SAE 0W-40 orSAE 5W-40 engine oils.
i MB
approval isindica tedonthe oilcon-
tainers.
Fil lin gcapaci ties The
followi ngvalu esrefer toan oilchange
includ ingthe oilfilter.
Missi ngvalu eswere notavailable attime of
going toprint. Model Capaci
ty SL
450 6.9
USqt(6.5 l) SL
550 8.5
USqt(8.0l) Merce
des-AMG
SL 63 8.9
USqt(8.5 l) Ad
diti ves !
Do
not useany additive sin the engi neoil.
Thi scou ldda mag ethe engi ne. Brake
fluid G
WARNI
NG
The brakefluidconsta ntlyabsorb smoi stur e
from theair. Thi slo we rsthe boiling pointof
the brakefluid.If the boiling pointofthe
bra kefluidistoo low, vap orpocke tsmay
form inthe brakesystem when the brakes
are applied ha rd. Thiswo uld imp airbra king
effi ciency. Thereisaris kof an acci dent.
Yo usho uld ha ve the brakefluidrene wedat
the specified inter vals.
Whe nha ndl ing brakefluid,obs erve theimpor-
tant safety notes onservice products
(Y page 321 ).
The brakefluidcha nge inter valscan befou nd
in the Maintena nceBookl et.
Only usebra kefluidap pro ved byMer cedes-
Benz inacco rdance with MB-Fre igab eor MB-
Appr oval331.0. Infor
mationabou tap pro ved brakefluidcan be
obta inedat any qualifi ed spe cialist wo rksho p
or on the Interne tat
http://b evo.merce des-benz.co m.
i Have
thebrakefluidregu larly repl aced ata
qu alifi ed spe cialist wor kshop andthe
repl acem entconfirm edinthe Maintenance
Bookl et. Co
olant
Importan tsafe tynotes G
WARNI
NG
If antifr eezecomes intocontact with hot
compo nentsinthe engi necompa rtment, it
may ignite.The reisarisk offire and injury .
Let the engi necool downbefo reyouad d
antifr eeze.Make surethat antifr eezeisnot
spi lled next tothe filler neck. Thoroughly
clea nthe antifr eezefrom compo nents
befo restarti ngthe engi ne.
! Only
addcool antthat hasbeenprem ixed
wi th the desiredantifr eezeprote ction. You
coul dotherw isedamag ethe engi ne.
You canfind additi onal notes onthe cool ant
in the followi ngplaces:
R in the Merce des-Benz Specifications for
Servi ceProd ucts, MBBeVo 310.1
- on the Internet at
http://be vo.mercedes-benz.com
- on the Merce des-Benz BeVoapp
R aqu alifi ed spe cialized workshop
! Alwa
ysuse asui tabl ecool antmixtu re,
even incountri eswhe rehig htempe ratures
prev ail.
Otherw ise,the engi necool ingsystem isnot
suff iciently prote ctedfrom corros ionand
overh eating.
i Have
thecool antregu larly repl aced ata
qu alifi ed spe cialist wor kshop andthe
repl acem entconfirm edinthe Maintenance
Bookl et.
Com plywith the important safetynotes for
servi ceprod ucts whenhand ling cool ant
(Y page 321 ). 324
Servi
ceproducts andfilling capac itiesTec hnical data