2020 MERCEDES-BENZ SLC ROADSTER washer fluid

Problems
withthewindshield wipers Problem
Possible
causes/co nsequences and0050 0050
Solutions The
windshield wipers
are jammed. Leaves
orsnow, forexample, maybeobstruct ingthe windshield
wiper movement .The wiper motor hasbeen deactivated.
X For safety reasons, youshould remove theSmartK eyfrom the
ignition lock.
or X Switch offthe engine usingtheStart /Stopbutton andopen the
driver's door.
X Remove thecause ofthe obstruct ion.
X Switch thewindshield wipersbackon. The
windshield wipers
fail completely. The
windshield wiperdriveismalfunction ing.
X Select another wiperspeed onthe combination switch.
X Have thewindshield wiperscheckedataq uali fied specialist
workshop. The
windshield washer
fluid from thespray noz-
zles nolonger hitsthe
cent erofthe wind-
shield. The
spray nozzlesare misaligned.
X Have thespray nozzlesadjusted ataq uali fied specialist work-
shop. Windshield
wipers
105Lightsandwindshiel dwipers Z

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions 0059
Ope n/CloseV ario- Ope
n/CloseV ario-
Roo fC omple tel y Roo
fC omple tel y The
roofisn otloc ked.
X Pull overand stop thev ehicles afely assoo naspossibl e,payin g
att ention toroa dand traff icco nd ition s.
X Push orpull and hold ther oofswit ch unt ilth er oofisf ullyo pen or
clo sed (Ypage 79). 0059
Sta rtEngine See Sta
rtEngine See
Ope rator'sM anual Ope
rator'sM anual The
on-boar dvoltag eist oo low.
X Start thee ngine.
X Aftera ppr oximat elytens econ ds, repeat theo pen ingorclo sing
pro cedure (Ypage 79). The
roofhas been openedand closed several times inar ow .The
roo fdrive has been switched off auto maticallyfor safetyr eas ons.
You canopen andclosether oofa gain afterappr oximat elyten
min utes.
X Swi tcho ffthei gn ition and turnitb acko n.
X Repeat theo pen ingorclo singp roce dure (Ypage 79). Clo
seRearS ide Clo
seRearS ide
Win dows Win
dows You
leavethe veh iclea nd atleast oner ear side window isopen .
X Clos ethe side windows (Ypage 76). 00B2
Che ckWasher Fluid Che
ckWasher Fluid The
wash erflui dlevel in thew ash erfluid reservoir has dropped
belo wthe min imum .
X Ad dw asherflui d(Ypage 244). Wip
erMalfuncti on‐ Wip
erMalfuncti on‐
ing ing The
windsh ield wiper saremalf unction ing .
X Vis itaq ualif iedspecialistwor kshop . Haz
ard Warning Haz
ard Warning
Fla shersMalfun c‐ Fla
shersMalfun c‐
tio ning tio
ning The
hazard warn inglamp sarefault y.
X Vis itaq ualif iedspecialistwor kshop . Sm
artKey Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions 00AF
Key DoesN ot Key
DoesN ot
Bel ong toVehicl e Bel
ong toVehicl e You
haveputthew rong Sm artKey inthei gn ition lock.
X Use thec orrect Sm artKey. 00AF
Tak eY ourK eyfro m Tak
eY ourK eyfro m
Ign ition Ign
ition The
SmartKey isin thei gn ition lock.
X Remo vetheS martKey. 00AF
Obt ain aNewKey Obt
ain aNewKey The
SmartKey needs tobe rep lace d.
X Vis itaq ualif iedspecialistwor kshop . Disp
laymes sage s
207On -boar dcomp uter andd ispla ys Z

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 of1U Sqt
(1 liter), amessage appears inthe multifunc-
tion display prompting youtoadd washer fluid
(Y page 207).
Further information onwindshield washer
fluid/antifreeze (Ypage 304). Overview
ofthe engine compart -
ment Example
engine
0043 Engin eoilcap
0044 Oildipstick
0087 Brake fluidreservoir
0085 Washer fluidreservoir
0083 Coolant expansion tank 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 242).
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 conditionsofthe
vehicle, theremaining timeordistance until
the next service duedate isdisplay ed.
The letter A A
or B B,p
ossibly inconn ection witha
number oranother letter,shows thetype of
service. A A
stands foram inor service andB B
for
am ajor 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. ASSY
STPLUS
245Maintenance andcare Z

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 frequent ly.
X Rinse thevehicle withclean water anddry
thoroughly withachamois.
X Do not letthe cleaning agentdryonthe
paintwork orthe decorative foils.
Carefully removealldeposits ofroad saltas
soon aspossible whendriving inwinter.
Power washers G
WARNIN
G
The water jetfrom acircular jetnozzle (dirt
blasters) cancause invisible exteriordam-
age tothe tires orchassis compon ents.
Component sdamaged inthis way may fail
unexpect edly.There isar isk ofan accident .
Do not use power washers withcircular jet
noz zles toclean thevehicle. Havedamaged
tires orchassis compon entsreplaced imme-
diately.
! Vehicles
withdecorative film:parts ofyour
vehicle arecovered withdecorative film.
Maintain adistance ofat least 27.5in
(70 cm) between thefilm-c overed partsof
the vehicle andthenozz leof the power
washer.
Infor mation aboutthecorrec tdistance is
availabl efrom theequipment manufacturer.
Move thepower washer nozzlearound when
cleaning yourvehicle.
The water temperat ureofthe power washer
must notexceed 140‡(60 †).
! Always
maintain adistance ofat least
12 in(30 cm) between thevehicle andthe
power washer nozzle. Infor mation aboutthe
correc tdistance isavailabl efrom theequip-
ment manufact urer.
Move thepower washer nozzlearound when
cleaning yourvehicle.
Do not aim directly atany ofthe following:
R Tires
R Door gaps, roofgaps, joints,etc.
R Elect ricalcompon ents R
Batt ery
R Plug-type couplings
R Light bulbs
R Seals
R Trim elements
R Vent ilation slots
Damaged sealsorelectric alcompon ents
can lead toleaks orfailures.
! If
you clean thetank fillerrecess whenitis
open, donot use apower washer. Thiscan
cause damage tothe seals orother compo-
nent s.
Cleaning thepaint work !
Do
not affix:
R stick ers
R films
R magnetic platesorsimilar items
to painted surfaces. Youcould otherwise
damage thepaintwork .
Scr atches, corrosiv edeposits, areasaffected
by corrosion anddamage causedbyinade-
quate carecannotalway sbec ompletely
repaired. Insuch cases, visitaqualified spe-
cialist workshop.
X Remove dirtimmediately, wherepossible,
while avoiding rubbingtoohard.
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.
X Use tarremover toremove tarstains.
X Use silicone remover toremove wax.
If water nolonger forms"beads" onthe paint
surface, usethepaint careproducts recom-
mended andapproved byMercedes- Benz.This
is the case approximately everythreetofive
mont hs,depending onthe climate conditions
and thecare product used.
If dirt has penetr atedthepaint surface orif
the paint hasbecome dull,thepaint cleaner
recomm endedandapproved byMercedes-
Benz should beused. 248
CareMaintenance
andcare

data
isdifferen tfor every vehicle andcan
deviate fromthedata shown here.Youcan
find thedata applicable toyour vehicle on
the vehicle identification plate. Vehicle
identification number(VIN) X
Slide thefron t-passenger seatasfar forward
as possible.
X Fold trim0043upwards.
VIN 0044can beseen.
The VINcanalso befound inthe following
location s:
R on the vehicle identification plate
(Y page 298)
R on the lower edgeofthe windshield
(Y page 299) Engine
number 0043
Emiss ioncontrol infor mation plate,includ-
ing the cert ification ofboth federal and
Californian emissionsstan dards
0044 Engine number (stamped intot he cran k-
case)
0087 VIN (onthe lower edgeofthe windshield) Service
product sand filling capaci-
ties Impor
tantsafet ynotes G
WARN
ING
Serv iceproduct smaybe poisonous andhaz-
ardous tohealth. Thereisar isk ofinjury.
Comply withinstruct ions onthe use, storage
and disposal ofservic eproduct sonthe
labels ofthe respect iveoriginal container s.
Always storeservic eproduct ssealed intheir
original container s.Always keepservic e
product soutofthe reach ofchildren . H
Environm
entalnote
Dispose ofservic eproduct sina ne nvir on-
ment allyrespon siblemann er.
Serv iceproduct sinclude thefollowing:
R Fuels
R Lubrican ts(e.g. engin eoil,tran smission oil)
R Coolant
R Brak efluid
R Windshield washerfluid
R Climate control system refrigerant
Comply withallvalid regulation swithrespect
to handling, storing, and disposing ofservic e
fluids.
Componen tsand servic eproduct smust
matc h.You should therefore onlyuseproduct s
that have been testedand approved by
Mercedes -Benz.
Inf ormat ionabout testedand approved prod-
ucts canbeobtained fromanauthoriz ed
Mercedes -BenzCenter oron the Internet at
htt p:// bevo.m ercedes- benz.com.
You canident ifyserv iceproduc tsapprove dby
Merc edes- Benzbythe followin ginsc riptions
on the contain er:
R MB- Freigabe (e.g.MB-Freigabe 229.51)
R MB- Appr oval(e.g. MB-Appr oval229.51)
Oth erdesign ationsorrec omme ndations indi-
cat eal evel ofquality oras pecif ication in
acco rdanc ewithanMB Shee tNumber (e.g.
MB 229 .51). They have notnecessarily been
approve dbyM ercedes- Benz. Serv
iceproduct sand filling capacities
299Technical data Z

Windshi
eldwashe rsyste m
Important safetynotes G
WARNING
Winds hieldwasher concentrate ishigh ly
flam mabl e.Ifwind shieldwa sher concentrate
gets onto hotcomponents ofthe engine or
the exhau stsyste m,itcan ignite. Thereisa
risk offire and injury .
Make surethatwind shieldwa sher concen-
trate isnot spilled inthe vicinity ofthe filler
neck.
! Only
usewasher fluidw hich issui tabl efor
lam plense s,e.g. MBSummerFi torM BW in-
terFit. Unsuitablewasher fluidm aydama ge
the lamplense softhe hea dlamps.
! Only
MBSummerFi tand MB WinterFit
wa sher fluidshou ldbe mixed together. The
spra ynozzles mayotherw isebecome
blo cked.
Do not use disti lledo rde-io nized water. Other-
wis e,the leve lsensor maygiveafals eread ing.
When handlingwasher fluid,obse rvethe
impo rtant safetynotes onservice products
(Y pag e299) .
At tempera turesabovefreezing:
X Fill the washer fluidreservo irwith amixture
of wa ter and wind shieldwa sher fluid,e.g.
MB SummerFi t.
X Add 1part MB SummerFi tto1 00 parts
wa ter.
At tempera turesbelow freezing:
X Fill the washer fluidreservo irwith amixture
of wa ter and washer fluid,e.g. MBWinterFit.
For thecorrect mixingratiorefer tothe
informa tiononthe antifree zereservo ir.
i Add
wind shieldwa sher fluid,e.g. MBSum-
merFit orMB WinterFit, tothe washer fluid
all yea rround. Cli
mate control syste mrefrige rant
Important safetynotes The
clima tecontrol systemofyou rv ehicl eis
fill ed with refrig erant R‑134a .
The instructio nlab elrega rding therefrig erant
type usedcan be found onthe radiator cross
membe r.
! Only
therefrig erant R‑134a andthePAG
oil app roved byMerced es-Benz maybe
use d.The approved PAGoilmay notbe
mixed withanyother PAGoilthat isnot
app roved forR-134a refrigerant. Otherwi se,
the clima tecontrol systemmaybe dam-
age d.
Service work,suchasrefil ling with refrig erant
or repl acing component parts,mayonlybe
carrie doutby aq ualified speci alist worksho p.
All app licable regu lations, aswel lasS AE
standa rdJ639, mustbeadh ered to.
Alwa yshave work onthe clima tecontrol sys-
tem carrie doutataq ualified speci alist work-
shop.
Refrige rantinstruction label Example
:refrig erant instructio nlab el
0043 Symbo l
0044 Refri gerantfilling capa city
0087 Appli cablestanda rds
0085 PAG oilpart numbe r
0083 Typeofrefrig erant
Symbo ls0043 advi seyou about:
R Possi bledange rs
R Having service workcarrie doutataq uali-
fied speci alist worksho p 304
Servi
ceproducts andfilling capaci tiesTechn ical data