open gas tank MERCEDES-BENZ SL ROADSTER 2020 Owner's Manual

Protection
againsttheft
ATA (Anti-Theft Alarmsystem) ......... 72
Immobilizer ...... ................................ 72
Protection ofthe environment
General notes..................................2 4
Pulling away
General notes................................ 128
Pulling away(automa tictrans-
mission) ............... .............................. 128 Q
QR code
Mercedes-B enzGuid eApp ................. 1
Rescue card.....................................2 9
Qualified specialist workshop ........... 28 R
RACE START
Act ivating ......... .............................. 168
Act ivation conditions..................... 168
Import antsafety notes.................. 167
RACE START (Mercedes-AMG
vehicles) ............................................. 167
RACE TIMER (on-board computer,
Mercedes-AMG vehicles).................. 205
Rad io
Select ingastation .........................1 97
see Digita lOpera tor'sManu al
Radio mode
see also Digita lOpera tor'sMan-
ua l....... .............. .............................246
Radio-w averece ption/ transmis-
sio nin the vehi cle
Decla rationof conformity ................28
Readin glamp .....................................112
Rear foglamp
Displ aymessa ge....... ..................... 220
Rear lamps
see Ligh ts
Rear viewcamera
Cl eani nginstructio ns....... .............. 278
Displ ayinthe multimedi asys tem ..182
Function/notes .............................181
Switchi ngon/off ........................... 182
Rear window defros ter
Gene ralnotes ................................ 121 Prob
lem(malfunction) ................... 121
Switchi ngon/off ........................... 121
Rear-vie wmirror
Dippi ng(automa tic)....... ................106
Refrig erant(air-conditioningsys-
tem)
Importa ntsafe tynotes .................. 329
Refue ling
Fuel gauge....... ................................ 33
Importa ntsafe tynotes .................. 145
Ref ueling proces s....... ................... 146
see Fuel
Remote control
Progra mming (garage door
opene r)....... ................................... 263
Replac ingbulb s
Gene ralnotes ................................ 113
Reportin gsafety defects....... ............. 29
Resc uecard ......................................... 29
Rese rve(fue ltank)
see Fuel
Rese rvefuel
Displ aymessa ge....... ..................... 224
Warni nglamp ....... .......................... 242
Resi dual heat (climate control) ........122
Restrain tsyste m
Displ aymessa ge....... ..................... 217
Introducti on....... ..............................40
Warni nglamp ....... .......................... 241
Warni nglamp (function) ................... 41
Reve rsegear (selector lever) ....... ....137
Reve rsing feature
Side windows ................................... 87
Trunk lid....... ....................................82
Reve rsinglamps (displa ymes-
sag e)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011[ <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011[ 220
Roads ideAssistanc e(b reakdo wn).... 26
Rol lbar
Disp laymess age<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011[ ..216
Ope ration<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011[ ...............52
Rol lersun blind<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011[ ..........94
Roo f
Disp laymess age<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011[ ..233
Impo rtant safety notes <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011[ 90
Ope ning/cl osing (with roof
swi tch) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011[ <0011001100110011001100110011001100110011001100110011001100110011
001100110011[91
Ope ning/cl osing (with Smar tKey).... 92 16
In
dex

Closing
thefu el filler flap X
Replac eth ecap onthefille rne ck and turn
clo ckwise untilit en gages audibly.
X Close thefuel fillerflap.
i Close
thefuel fillerflap before lockin gth e
veh icle. i
If
you aredrivingwithth efuel fillercap
open ,th e00B6 reservefuel warn inglamp
flas hes. The00B9 CheckEn gin ewarn ing
lamp mayalsolight up.Ames sage appear s
in themult ifunction displ ay(Y page 224).
For further inform ationon warn ingand indi-
cat orlamps intheins trumen tclus ter, see
(Y page 242). Pr
oblem swith fuel and thefu el tank Pr
oblem Possi
blecauses/con sequences and0050 0050
Solu tions Fuel
isleak ingfrom the
veh icle. The
fuel lineor thefuel tankis fault y.
G WAR
NING
Risk ofexplos ionorfire.
X Turn theSm artKey imm ediat elytoposi tion0092 intheign ition lock
(Y page 126)and remove it.
X Do notres tartth een gin eunde rany circum stanc es.
X Con sult aqualif iedspec ialist workshop. The
fuel fillerflap can-
no tbe open ed. The
fuel fillerflap isno tunlo cked.
X Un loc kth eveh icle (Ypage 74). The
SmartKey battery isdisc harg edornearly discharg ed.
X Un loc kth eveh icle usin gth emec hanical key(Y page 76). The
fuel fillerflap isunlo cked, but theopen ingmec hanism isjam -
med.
X Con sult aqualif iedspec ialist workshop. Par
king Imp
ortant safety notes G
WAR
NING
Flam mable material suchas leave s,gras sor
twi gsmay ignite ifth ey com eint ocon tact
wit hhot part sof theex haust systemor
ex haust gasflow .Ther eis aris kof fire.
Park theveh icle sothat no flam mable mate-
rials comeint ocon tactwit hpart sof the
veh icle whic hare hot.Tak epart icular care
no tto park ondry gras slandor harv ested
grain fields. G
WAR
NING
If you leave childre nuns uperv isedinthe
veh icle,th ey coul dset itin mot ionby,for
ex ample :
R rele ase thepark ingbrak e.
R shif tth eauto matictrans mis sion outof
th epark ingposi tionP.
R start theen gin e.
In addit ion,th ey may operatevehicle equip-
men tand become trapped. Thereis aris kof
an acc iden tand injury.
When leavingtheveh icle,always taketh e
Sm artKey withyou and lockth eveh icle. Par
king
147Drivingand parking
Z

If
you need todo any work inside theengine
compartment:
R switch offthe ignition
R never reach intothearea where thereisa
risk ofdanger frommoving components,
such asthe fanrotation area
R remove jewelryandwatches
R keep items ofclothing andhair, forexam-
ple, awayfrom moving parts G
WARNING
The cooling systemispressu rized,particu-
larl ywhen themotor iswarm. Ifyou open
the cap, youcould bescalde difhot coolant
spray sout. There isarisk ofinjury.
Let the engine cooldown before youopen
the cap. Wear protective glovesandprotec-
tive eyew earwhen opening. Openthecap
slow lyto relea sepressu re. Example
X Park thevehicle onalevel surface.
Only check thecoolant levelwhen thevehi-
cle ison alevel surface andtheengine has
cooled down.
X Turn theSmartKey topositio n0048 inthe igni-
tion lock (Ypage 126).
On vehicle swith KEYLESS- GO,press the
Start/St opbutton twice(Ypage 126).
X Check thecoolant temperature gageinthe
multifu nctiondisplay.
The coolant temperature mustbebelow
158 ‡(70 †).
X Turn theSmartKey topositio n0092
(Y page 126)inthe ignition lock. X
Slowl yturn cap0044half aturn counter-clock-
wise toallow excess pressureto escape .
X Turn cap0044further <004600520058005100570048005500100046004F00520046004E005A004C0056
0048[ and
remove it.
If the coolant isat the level ofmarker bar
0087 inthe fillerneck when cold,there is
enough coolant incoolant expansion
tank 0043.
If the coolant levelisappro ximately 0.6in
(1.5 cm)above marker bar0087inthe filler
neck when warm, thereisenough coolant in
expansion tank0043.
X Ifnecessary ,add coolant thathasbeen tes-
ted and appro vedbyMercedes-Benz.
X Repl acecap 0044and turn itclockwise asfar
as itwil lgo.
Further information oncoolant (Ypage 328).
Windshie ldwashe rsystem G
WARNING
Certai ncomponents inthe engine compart-
ment, suchasthe engine, radiator andparts
of the exhau stsystem, canbecome very
hot. Working inthe engine compartment
poses arisk ofinjury.
Where possible,let the engine cooldown
and touch onlythecomponents describedin
the follow ing. G
WARNING
If you open thehood when thedrive system
has overhea tedorduri ngafire inthe engine
compartment, youcould come intocontact
with hotgases orother escapi ngopera ting
flui ds. There isarisk ofburns.
Let the overhea tedcomponents cooldown
before opening thehood. Inthe event ofa
fire inthe engine compartment, keepthe
hood closed andcallthefire service. G
WARNING
Windshi eldwash erconcentrate ishighl y
flamma ble.Ifwindshi eldwash erconcentrate
gets onto hotcomponents ofthe engine or
the exhau stsystem, itcan ignite. Thereisa
risk offire and injury. Eng
inecompar tment
271Maintenanc eand care
Z

Other
identifications, forexample:
R 0W-30
R 5W-30
R 5W-40 Fuel
Importa ntsafety notes G
WARNING
Fuel ishighly flammabl e.Improper handling
of fuel creates arisk offire and explosion.
Avoid fire,open flames, smoking andcreat-
ing sparks underallcircumstances. Switch
off the engine and,ifappli cable, theauxili ary
heating beforerefueling. G
WARNING
Fuels aretoxic andharmful tohealth. There
is arisk ofinjury.
You must avoid fuelscoming intocontact
with skin, eyesandclothes orbeing swal-
lowed.
Do not inhale thefuel vapors. Keepchildren
awa yfrom fuels.
Keep doors andwindows closedduringthe
refueling process.
If you orothers comeintocontactwith fuel,
observe thefollowi ngpoints:
R Immediately rinsethefuel offyour skin
with soap andwater.
R Ifyou getfuel into your eyes, immediately
rinse youreyes throughly withclean
water. Seekmedical attentionimmedi-
ately.
R Seek medical attentionimmediately iffuel
has been swallowed. Donot induce vomit-
ing.
R Immediately changeoutofclothing which
has come intocontactwith fuel. Tank
capacity Model Total
capa-
city All
models 19.8
USgal
(75 .0l) Model Of
whic h
reserve Merce
des‑AMGvehic les Approx.
3.7 USgal
(14.0 l) Al
lot her models Approx.
2.4 USgal
(9.0 l) Gasol
ine Fue
lgrade
! Do
not use diesel torefue lvehicl eswith a
gaso lineengine. Donot switch onthe igni-
tion ifyou accid entall yrefue lwith thewrong
fuel .Otherwi se,the fuel willenter thefuel
system .Even smallamou ntsofthe wrong
fuel couldresu ltin dama getothe fuel sys-
tem andtheengine. Notifyaqua lified spe-
cial istworksho pand have thefuel tank and
fuel lines drained comple tely.
! Only
refue lusi ng premi um-gra deunle aded
gaso linewith atlea st95 RON thatconforms
to Europe anstanda rdEN 228 oran equ iva-
lent speci ficatio n.
Fuel ofthis speci ficatio ncan contain upto
10% ethanol .You rvehicl eis E10-compati-
ble .You canrefue lyou rvehicl eusi ng E10
fuel .
Fuel thatdoes notconform toEN 228 can
lea dto increas edwea ras wel las dama geto
the fuel system ,engine andexhau stsystem .
! Only
usethefuel recommende d.Opera ting
the vehicl ewith other fuelscan leadto dam-
age tothe fuel system ,engine andexhau st
system .
Observ ethe notes onopera tingfluids.
! Never
refuelusi ng:
R Diesel
R Reg ulargaso linewith anoctane number
low erthan 91RON Servi
ceproducts andfilling capaci ties
325Techn ical data Z