2020 MERCEDES-BENZ SL ROADSTER child lock

Key
isin the vehicle .This occurs, forexampl e,
when starting theengine.
To start thevehicle withoutactively usingthe
SmartKey:
R the Start/St opbutton mustbeinserted in
the ignition lock.
R the SmartKey mustbeinthe vehicle .
R the vehicle mustnotbelocked withthe
SmartKey orKEYLESS- GO(Ypage 74).
Do not keep theSmartKey:
R with electronic devices,e.g.amobil ephone
or another SmartKey.
R with metall icobjects, e.g.coins ormetal
foil.
R inside metallicobjects, e.g.ametal case.
This canimpa irthe functionali tyof the KEY-
LESS- GOkey.
If you lock thevehicle withtheSmartKey's
remote controlorwith KEYLESS- GO,after a
short time:
R you willnot beableto switch onthe ignition
with theStart/St opbutton.
R you willnot beableto start theengine with
the Start/St opbutton untilthevehicle is
unlocked again.
The engine canbeswitched offwhil ethe vehi-
cle isin motion bypressi ngand holdi ngthe
Start/St opbutton forthree seconds. This
function operatesindepe ndently ofthe ECO
start/stop automaticengine switch-off func-
tion.
Key positio nswith KEYLESS-GO 0043
Start/St opbutton
0044 Ignition lock
As soon asthe ignition isswitched on,allthe
indicator lampsin the instrument clusterlight
up. Further information onsitua tions where an
indicator lampeither failsto go out after start- ing
the engine orligh tsup whil edriving
(Y page 238).
If Start/St opbutton 0043has notyetbeen
pressed ,this corresponds tothe key being
removed fromtheignition.
X To swi tch onthe powe rsupply: press
Start/St opbutton 0043once.
The powe rsupp lyisswitched on.You can
now activate thewindsh ieldwipers, for
exampl e.
The powe rsupp lyisswitched offaga inif:
R the driver's doorisopened and
R you press Start/St opbutton 0043twice
when inthis positio n
X To swi tch onthe ignition: press Start/
Stop button 0043twice.
The ignition isswitched on.
If you press Start/St opbutton 0043once
when inthis positio n,the ignition is
switched offaga in.
Removing theStart/Stop button
You canremove theStart/St opbutton from
the ignition lockandstart thevehicle asnor-
mal using theSmartKey.
X Remove Start/Stopbutton 0043from ignition
lock 0044.
You donot have toremove theStart/St opbut-
ton from theignition lockwhen youleavethe
vehicle .You shoul d,howeve r,alw aystake the
SmartKey withyouwhen leaving thevehicle .
As long asthe SmartKey isin the vehicle :
R the vehicle canbestarted usingtheStart/
Stop button
R the electrical lypowe redequi pment canbe
opera ted Starting
theengi ne
Important safetynotes G
WARNING
If childre nare left unsup ervised inthe vehi-
cle, they could :
R opera tethe vehicle 'sequi pment Drivi
ng
127Drivi ngand parking
Z

Engag
ingpark posi tion P All
vehi cles (excep tMer cedes -AMGvehi -
cles) X
When theveh icle isstatio nary,depr essthe
brak epedal.
X Pre ssbut ton0043.
Mer cedes -AMGvehi cles X
When theveh icle isstatio nary,depr essthe
brak epedal.
X Pre ssbut ton0043.
Engag ingpark posi tion Pau tom ati-
cally Park
position005Disauto maticall yeng aged if:
R you switchoff theeng ineusin gth eSm art-
Key and remove theSm artKey
R you switchoff theeng ineusin gth eSm art-
Key orusin gth eSt art /S topbutt onand
open thedriv er'sdoor orfron t-passe nger
door
R you open thedriv er'sdoor when theveh icle
is statio naryor when drivingataver ylow
spee dand thetrans miss ionisin posit ion005B
or 005E Un
der certain condition s,theauto matictrans -
miss ionshiftsauto maticall yto trans miss ion
posit ion005Difth eHO LD function orActiveDis -
tan ceAssist DISTRO NICisact ivat ed. Obse rve
th einf orm ationon theHO LD function
(Y page 167)and onActiveDis tan ceAssist
DI STRO NIC(Ypage 161).
Engag ingreversegear R !
On
lymov eth eauto matictrans miss ionto
005E when theveh icle isstatio nary.
X De pres sth ebrak eand keep itpres sed.
X Push theselec torleve rfor wards pastthe
fir st poin tof res istanc e.
The ECO start /stopfun ction isno tavailabl e
when revers egear iseng aged. Further infor-
mat ionontheECO start /stopfun ction
(Y page 129).
Shif tingto neut ralN G
WAR
NING
If ch ildre nare left unsuperv isedintheveh i-
cle ,th ey coul d:
R oper atetheveh icle'sequipm ent
Add ition ally, childre ncoul dset theveh icle in
mot ionif,for exam ple,they:
R rele ase thepark ingbrak e
R shif tth eauto matictrans miss ionout of
park position005D
R start theeng ine
Ther eis arisk ofan acc iden tand injury.
Nev erleave childre nor anim alsunat tende d
in theveh icle.
When leavingth eveh icle,always taketh e
Sm artKey with youand lockth eveh icle.This
also applies fortheDig ital Vehi cleKey ifth e
"Dig italVehi cleKey" function isact ivat edvia
Mer cedesme connect.
X When theveh icle isstatio nary,depr essthe
brak epedal.
X Push theselec torleve rfor wards orback to
th efir st poin tof res istanc e.
If you switchtheeng ineoffwith thetrans mis-
sion inposit ion005Eor005B, theauto matictrans -
miss ionshiftsto 005C auto maticall y. Aut
oma tictrans mission
137Drivingand parking Z

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

Never
leavechildren unsupervisedinthe
vehicle.
! Alway
ssecure thevehicle correctly against
rolli ngawa y.Otherwise, thevehicle orits
drivetrain couldbedama ged.
To ensure thatthevehicle issecured against
rolli ngawa yunintentionally :
R the electric parking brakemustbeappl ied.
R the transmission mustbeinposition 005D.
R the SmartKey mustberemoved fromthe
ignition lock.
R the front wheel smust beturned towards the
curb onsteep uphillor downhil lgradi ents. Switc
hingoffthe engi ne G
WARNING
The automa tictransmission switchestoneu-
tral position Nwhen youswitch offthe
engine. Thevehicle mayrollawa y.There isa
risk ofan accident.
After switching offthe engine, always switch
to parking position P.Prevent theparked
vehicle fromrollingawa yby appl ying the
parking brake.
X Apply theelectric parking brake.
X Shift thetransmission toposition 005D
(Y page 137).
X With theSmart Key:turn theSmartKey to
position 0092inthe ignition lockandremove
it.
The immobil izerisactivated.
X With KEYLESS -GO:press theKEYLESS -GO
Start/S topbutton (Ypage 126).
The engine stopsandallthe indicator lamps
in the instrument clustergoout.
If the driver's doorisclosed, thisisthe
same asSmartKey position0047.Ifthe driv-
er's door isopen, thisisthe same asSmart-
Key position 0092(Ypage 126).
The engine canbeswitched offwhil ethe vehi-
cle isin motion bypressing andholdi ngthe
Start/S topbutton forabou tthree seconds.
This function operates independently ofthe
ECO start/stop automaticengine switch-off
function. Ele
ctric parking brake
General notes G
WARNING
If children areleft unsupe rvisedinthe vehi-
cle, they could:
R open doors, thereby endangering other
persons orroad users
R get out and bestruck byoncoming traffic
R operate thevehicle's equipment
Additional ly,children couldsetthe vehicle in
motion if,for example ,they:
R relea sethe parking brake
R shift theautoma tictransmission outof
park position 005Dorshift themanual
transmission toneutral
R start theengine
There isarisk ofan accident andinjury.
When leavingthe vehicle, always take the
SmartKey withyouand lock thevehicle. This
also appliesforthe digitalvehicle keyifthe
"Digital Vehicle Key"function isactivated via
Mercedes meconnect .
Alway skeep theSmartKey outofreach of
children. Thisalso appliesforthe Digital
Vehicle Keyifthe "Digital Vehicle Key"func-
tion isactivated viaMercedes meconnect .
The function ofthe electric parking brakeis
dependent onthe on-board voltage.Ifthe on-
board voltage islow orthere isamalfu nction
in the system, itmay notbepossib leto appl y
the relea sedparking brake.
X Ifthis isthe case, onlypark thevehicle on
level ground andsecure itto prevent itroll-
ing awa y.
X Shift theautoma tictransmission toposition
005D.
It may notbepossib leto relea sean appl ied
parking brakeifthe on-board voltageislow or
there isamalfu nction inthe system. Contact a
qua lifiedspecia listworkshop.
The electric parking brakeperforms afunction
test atregul arintervals whilethe engine is
switched off.The sounds thatcanbeheard
whil ethis isoccurring arenormal. 148
ParkingDrivi
ngand parking

0087
Retaining strip, e.g. for apark inglottick et
0085 Van ity mir ror
0083 Mirror cover Asht
ray X
To open :open stowage compar tment0043
(Y page 253).
X To rem ove theinser t:pull insert 0044upin
th edire ction ofthearr ow, outofthecup
hold er.
X To re-inst alltheinser t:push insert 0044on
th elef t-han dside intoth ecup hold er.
i On
lyre- ins tallins ert 0044onthelef t-han d
side ofthecup hold er. Ciga
retteligh ter G
WAR
NING
You canburn yours elfifyou touch thehot
heat ingelem entor thesoc ketof thecig a-
ret teligh ter.
In addit ion,flam mabl emat erials can ignite
if:
R thehot cigaret teligh terfalls
R ach ild hold sth ehot cigaret teligh terto
obj ects,for exampl e
The reisaris kof fireand injury.
Alw ays hold thecig aret teligh terby the
kn ob. Always mak esur eth at thecig aret te
ligh teris out ofreac hof childr en.Nev er
leav ech ildr enuns uper vised intheveh icle. Your
attention mus talways befoc used onthe
tr aff icco nd ition s.On lyuse thecig aret te
ligh terwhen roadandtraff icco nd ition sper -
mit .
X Turn theSm artKey topos ition 0048intheign i-
ti on lock(Y page 126).
X To open :open stowage compar tment0043
und erthearm rest(Y page 252).
X Pre ssincig aret teligh ter0044.
Cigar ette ligh ter0044 will pop outauto mati-
call ywhen theheat ingelem entis red -hot . 12
Vsocke ts
Gener alnot es X
Turn theSm artKey topos ition 0047intheign i-
ti on lock(Y page 126).
The sockets can beused foracc essories wit h
a max imum drawof18 0W (15 A).Ac cesso ries
inc lude suchitems ascharge rsfor mob ile
phon es.
If you usethesoc kets for longper iods when
th een gin eis swit ched off,th ebat tery may dis-
ch arge .
i An
eme rgencycut -out ensur esthat theon -
boar dvol tag edoes notdro pto olow. Ifth e
on -board voltag eis toolow, thepowe rto
th esoc kets isauto maticallycut .This
en sur esthat there issuf ficien tpowe rto
st art theen gin e. Feat
ures
257Stowage andfeatures Z

!
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- Bat
tery (vehic le)
287Breakdown assistance
Z