2019 MERCEDES-BENZ SL ROADSTER buttons

If
you install achild restraint systemonthe
front passe ngerseat, besure toobserve the
instructions andsafety notesonthe "Occu-
pant Classifica tionSystem (OCS)"(Ypage 48).
There youwillalso findinformation ondisa -
bling thefront passe ngerfront airbag.
All child restraint systemsmustmeet thefol-
lowi ngstandards:
R U.S. Federal MotorVehicle SafetyStandards
213 and225
R Cana dianMotor Vehicle SafetyStandards
213 and210.2
Confirma tionthat thechild restraint system
corresponds tothe standards canbefound on
an instruction labelon the child restraint sys-
tem. Thisconfirmation canalso befound in
the installa tioninstructions thatareinclude d
with thechild restraint system.
Observe thewarning labels inthe vehicle inte-
rior and onthe child restraint system. Chil
drestraint systemonthe front-
passeng erseat
Gene ralnotes If
you install achild restraint systemonthe
front-passenger seat,always observe the
instructions andsafety notesonthe "Occu-
pant Classifica tionSystem (OCS)"(Ypage 48).
You canthus avoid therisks thatcould arise
as aresul tof:
R an incorrectly categorized personinthe
front-passenger seat
R deactiva tingthefront passe ngerfront air
bag unintentionally
R the unsui table positio ningofthe child
restraint system,e.g.tooclose tothe dash-
board
Rearward-facing childrestraint system If
circumstances requireyou tosecure achild
in arearwa rd-facing childrestraint systemon
the front-passenger seat,always make sure
that thefront passe ngerfront airbag isdeacti-
vated. Onlyifthe PASSENGER AIRBAG OFF
indicator lampislit continuously (Ypage 41),
is the front passe ngerfront airbag deactiva -
ted. Alway
sobserve thechild restraint system
manufacture r'sinstalla tionandopera ting
instructions.
Forw ard-fa cingchil drestraint system If
you secure achild inaforward -facingchild
restraint systemonthe front-passenger seat,
alw ays move thefront-passenger seatasfar
back aspossib le.Full yretract theseat cushio n
length. Theentire baseofthe child restraint
system mustalways rest onthe seat cushio n
of the front-passenger seat.Thebackrest of
the child restraint systemmustlieasflat as
possib leaga inst thebackrest ofthe front-
passe ngerseat. Thechild restraint system
must nottouch theroof orbe subjected toa
load bythe head restraint. Adjusttheangle of
the seat backrest andthehead restraint posi-
tion accordingly .Alway smake surethatthe
shoul derbelt strap iscorrectly routedfromthe
front-passenger seatbeltguide tothe shoul der
belt guide on the child restraint system.The
shoul derbelt strap mustberouted forward
and down fromthefront-passenger seatbelt
gui de. Ifnecessary ,adjust thefront-passenger
seat accordingly .
Alway sobserve thechild restraint system
manufacture r'sinstalla tionandopera ting
instructions. Pets
inthe vehic le G
WARNING
If you leaveanimal sunsup ervised orunse-
cured inthe vehicle ,they maypress buttons
or switches, forinstance.
In this way,animal smay:
R activate vehicleequipment andbecome
trapped ,for example
R switch systems onoroff and thereby
endanger otherroadusers
Furthermore, unsecuredanimalsmay be
flung aroundinside thevehicle inthe event
of an accident orabru ptsteering orbraking
maneuve r,and thereby injurevehicle occu-
pants. Thereisarisk ofaccident andinjury.
Never leaveanimal sunattended inthe vehi-
cle. Pets
inthe vehic le
59Safety
Z

Locking/u
nlockingcentr ally You
canstart ,loc kor unlo cktheveh icle usin g
KE YLE SS-GO .To do this, you onlynee dcar ry
th eSm artKey with you.Youcancom bine the
fun ction sof KE YLE SS-GO with those ofacon -
ven tional SmartKey. Unloc kth eveh icle by
usin gKE YLE SS-GO ,for instan ce, and lockit
usin gth e0037 buttonontheSm artKey.
The driver'sdoor andthedoor atwhic hth e
han dleisused, mustbothbe closed. The
Sm artKey must beouts idetheveh icle.When
loc kin gor unlo cking with KEYLE SS-GO ,th e
dist ancebet ween thekey and thecor respon d-
ing door handlemust notbegreat erthan 3ft
(1 m).
A che ckwhic hperio dicall yest ablishe sa radio
con nectionbet ween theveh icle and the
Sm artKey determ ineswhet heravalid Smart-
Key isin theveh icle.This occurs, forexam ple:
R when start ing theeng ine
R while driving
R when usingHA ND S-FRE EACCE SS
R when theext ern aldoor handles aretouche d X
To unlock thevehicl e:touch theinn ersur-
fac eof thedoor handle.
X To lock thevehicl e:touch sensor sur-
fac e0043 or0044.
Mak esure that you donot touch theinn er
surf ace ofthedoor handle.
X Convenien ceclosing feature: touch
rec esse dsen sor surf ace 0044for anext end ed
perio d.
Fur ther inform ationon thecon venience
clo singfeat ure (Ypage 89). Deact
ivatingand activat ing If
you donot intend touse aSm artKey foran
ext end edperio dof tim e,you can deac tivate
th eKE YLE SS-GO function ofthekey. The
Sm artKey willthen use verylitt lepower ,
th ereb ycon servingbatt erypower .For thepur-
poses ofact ivat ion/de activat ion,th eveh icle
must notbenear by.
X To dea ctiv ate: pres sth e0037 buttonon
th eSm artKey twicein rapid successio n.
The batterychecklamp (Ypage 77)of the
Sm artKey flash estwic ebrief lyand light sup
onc e,then KEYLE SS-GO isdeac tivated .
X To act ivat e:pres sany buttonontheSm art-
Key.
or X Inser tth eSm artKey intoth eign itio nloc k.
KE YLE SS-GO andallofits assoc iatedfea-
tur es are available again. Cha
nging thesett ings ofthelocking
syst em
You canchan getheset tings oftheloc kin g
syst em. This mean sonl yth edriv er'sdoor ,th e
lock able stowage compartmen tsintheveh icle
int erio rand thefuel filler flapareunlo cked
when theveh icle isunlo cked. This isusef ulif
you frequen tlytravel alone.
X To cha nge thesett ing: pressand hold
down the0036 and0037 buttons simult ane-
ously forabout sixsec ond sunt ilth ebatt ery
indi catorlamp (Ypage 77)flash estwic e.
If th eset tingof theloc kin gsyst emischan ged
with inthesign alran geoftheveh icle,pres sing
th e0037 or0036 button:
R lock sor
R unlo cksth eveh icle
The SmartKey now function sas follo ws:
X To unlock :pres sth e0036 buttononc e.
X To unlock centrally:pres sth e0036 button
twic e.
X To lock centr ally:pres sth e0037 button. Sm
artKey
75Openingand closing Z

Check
ingthebat tery X
Pre ssthe0037 or0036 button.
The battery iswork ingproperl yif bat tery
ch eck lamp 0043light sup brie fly.
The battery isdisc harg edifbat tery check
lamp 0043does notlight upbrie fly.
X Chan gethebat tery (Y page 77).
If th eSm artKey battery isch eck edwithin the
sign alrec ept ion rangeoftheveh icle,pres sing
th e0037 or0036 button:
R loc ksor
R unlo cksth eveh icle
i You
cangetabat tery at any qualif iedspe-
ciali stwork shop.
Rep lacin gth ebat tery You
requi reaCR 2025 3V cel lbat tery.
X Tak eth emec hanical keyout oftheSm art-
Key (Ypage 76). X
Pre ssmec hanical key0044 intoth eSm artKey
open inginthedire ction ofthearr ow until
bat tery com partmen tcov er0043 open s.Do
no thold battery com partmen tcov er0043
clo sed while doingso.
X Remo vebat tery com partmen tcov er0043. X
Repeat edlytaptheSm artKey again styour
palm untilbat tery 0087 falls out.
X Inser tth ene wbat tery wit hth eposi tivete r-
min alfac ing upward s.Use alin t-fr ee cloth
to do so.
X Mak esure that thesurf ace ofthebat tery is
fr ee oflint,gre ase and other contam inan ts.
X Inser tth efron ttab sof bat tery com partmen t
cov er0043 intoth ehous ingand then pres sto
clo seit.
X Inser tmec hanical key0044 intoth eSm artKey
(Y page 76).
X Chec kth efun ction ofall Sm artKey buttons
on theveh icle. Sm
artKey
77Opening andclosing Z

Aut
oma tic locki ngfea ture X
To dea ctivate: pressand hold button0043 for
about fivesec onds unt ila to ne soun ds.
X To act ivate: pressand hold button0044 for
about fivesec onds unt ila to ne soun ds.
If you pressoneof thetwo buttons and donot
hear ato ne ,th erel evan tset ting has already
been selected.
The vehicleis loc kedauto maticallywhen the
ign ition isswit ched on and thewhee lsare
tur nin g.
You could there foreloc kyours elfout if:
R theveh icleis bein gpush ed.
R theveh icleis bein gto wed.
R theveh icleis on arol ler dyn amom eter.
You canalso switchtheauto maticloc king
fun ction onand offusin gth eon -board com-
put er(Y page 201). Power
closing
Powe rclo singpulls thedoor sand trunk lid
int oth eir locksauto maticallyeve nif th ey are
on lypart lyclo sed.
X Power closingfea ture (doo rs):push the
door pastthefir st det entpos ition intoth e
loc k.
Powe rclo singwill pull thedoor fullyclosed.
X To power closethetrunk lid:ligh tly push
th etrunk lidclosed.
The powe rclo singfun ction pulls thetrunk
lid closed. Unlock
ing/lockingth edr iver 'sdoor
usi ng themec hanica lkey
i If
you want tocentrally lockth eveh icle
usin gth emec hanical key,begi nby pre ssing
th eloc king but tonfor theint erior loc king
mec hanism while thedri ver 'sdoor isopen .
The nloc kth edri ver 'sdoor usingth e
mec hanical key. X
To unl ock: turnth emec hanical keyco un-
te r-clo ckwise asfar asitwill gotopos ition
0047.
X To lock: turnth emec hanical keyclo ckwise
as far asitwill gotopos ition 0047.
If you usethemec hanical keyto unl ockand
open thedri ver 'sdoor ,th eant i-thef talarm
syst emwill betrigge red.Swi tchoff thealarm
(Y page 72). Tr
unk Imp
ortant safety notes G
WAR
NING
If obj ects,luggag eor loads arenotsec ured
or notsec ured sufficien tly, they could slip,
ti p ove ror be flun garou ndand there byhit
veh icleoc cup ants.The reisaris kof injury,
part icularly intheeve ntofsudd enbrak ing
or asudd enchang ein dir ection .
Alw ays store objects so that they can notbe
flun garou nd.Se cur eobj ects,luggag eor
loads againstslip pingor tippin gbef ore the
jo urn ey.
! The
trunk lidswin gsupwar dswhen
open ed.Therefore ,mak esur eth at there is
suf ficien tcle aran ceabov eth etrunk lid. Tr
unk
81Opening andclosing Z

Switching
theseat ventilation on/off
Switching on/off The
three blueindicator lampsinthe buttons
indicate theblower settingyou have selected.
X Ensure thattheSmartK eyisin position 0048
in the ignition lock.
X To switch on:press button 0043repeatedly
until thedesired blowersettingis set.
X To switch off:press button 0043repeatedly
until allthe indicator lampsgoout.
i If
the battery voltage istoo low, theseat
vent ilation mayswitch off.
i If
you open theroof using theSmartK ey
(Y page 92),thedriver's seatventilation is
automatically switchedonand theside win-
dows open.
Problems withtheseat ventilation The
seat ventilation hasswitched offprema-
turely orcannot beswitched on.The vehicle's
electrical systemvoltage istoo low because
too many electrical consumers areswitched
on.
X Switch offelectrical consumers thatyoudo
not need, suchasthe rear window defroster
or interior lighting.
X Once thebattery issufficiently charged,
switch onthe seat heating again. AIRSCA
RF
Setting headlevelheating (AIRSCARF) G
WARNING
When AIRSCARF isswitched on,very hotair
can flow from thevent sin the head
restraint s.This could result inburns inthe
immediate vicinityofthe airvent s.There isa
risk ofinjury.
Reduce theheater output beforeitbecomes
too hot. The
AIRSCARF functionwarms thehead and
neck areaofvehicle occupants withwarm air.
The warm airflows outofthe holes inthe head
restraint s.
The three redindicator lampsinthe button
indicate theheating levelyouhave selected.
X Ensure thattheSmartK eyisin position 0048
in the ignition lock.
X To switch on:press button 0043.
Three redindicator lampsinthe button light
up. The blower startsupafter apreheating
phase ofseven seconds.
X Press button 0043repeatedly untilthedesired
heating levelisset.
X To switch off:press button 0043repeatedly
until allthe indicator lampsgoout.
i The
blower continues running forseven
seconds tocool down theheating elements.
i If
the battery voltage istoo low, AIRSCARF
may switch off. 102
SeatsSeats,
steering wheeland mirrors

If
somebod ybecomes trapped:
R press oneofthe memory function posi-
tion buttons, or
R move theswitch forsteering wheel
adjustment inthe opposi tedirection to
that inwhich thesteering wheelismov-
ing.
The adjustment processisstopped. G
WARNING
When theEASY-E NTRY/EXIT feature adjusts
the steering wheelandthedriver's seat,you
and other vehicle occupants –particul arly
childre n–could become trapped.There isa
risk ofinjury.
Whil ethe EASY-E NTRY/EXIT feature ismak-
ing adjustments, makesurethatnoone has
any body parts inthe sweep ofthe seat and
the steering wheel.
If somebod ybecomes trapped:
R press oneofthe memory function posi-
tion buttons, or
R press oneofthe memory function mem-
ory buttons, or
R move theswitch forsteering wheel
adjustment inthe opposi tedirection to
that inwhich thesteering wheelismoving
The adjustment processisstopped. G
WARNING
If you useopenings inthe body work or
detachab leparts assteps, youcould :
R slip and/or fall
R dama gethe vehicle andcause yourself to
fall .
There isarisk ofinjury.
Alway suse secure climbingaids,e.g. asuit-
abl elad der.
The EASY-E NTRY/EXIT feature makesgetting
in and outofyou rvehicle easier.
You canactivate anddeactiva tethe EASY-
ENTRY/EXIT featureinthe on-board computer
(Y page 201). Posi
tion ofthe steering wheelwhen
the EAS Y-ENTRY/E XITfeature isactive The
steering wheelswings upwhen you:
R remove theSmartKey fromtheignition lock
R open thedriver's doorwithKEYLESS- GOin
positio n1
R open thedriver's doorandtheSmartKey is
in positio n0092 or0047
i The
steering wheelmoves upwards onlyif
it has notalrea dyreached theuppe rsteer-
ing limiter.
Posi tion ofthe steering wheelfor driv-
ing The
steering wheelismoved tothe last selec-
ted positio nwhen:
R the driver's doorisclosed
R you insert theSmartKey intotheignition
lock
or
R you press theStart/St opbutton onceon
vehicle swith KEYLESS- GO
When youclose thedriver's doorwiththeigni-
tion switched on,the steering wheelisalso
automa ticallymoved tothe previou slyset
positio n.
The lastpositio nof the steering columnis
stored whenyouswitch offthe ignition or
when youstore thesetting withthememory
function (Ypage 107).
Crash-responsi veEAS Y-EX ITfeature If
the crash-responsive EASY-EXITfeature is
triggered inan accident, thesteering column
wil lmove upwards when thedriver's dooris
opened. Thisoccurs irrespectiveofthe posi-
tion ofthe SmartKey inthe ignition lock.This
makes iteasi erto exit thevehicle andrescue
the occupants.
The crash-responsive EASY-EXITfeature isonly
opera tional ifthe EASY-E XIT/ENTRY featureis
activated inthe on-board computer
(Y page 201). 104
Steering
wheelSeats, steerin gwhe eland mirrors

When
leaving thevehicle, alwaystake the
Smart Keywith youand lock thevehicle. This
also applies forthe Digital Vehicle Keyifthe
"Digital Vehicle Key"functionisactivat edvia
Mercedes meconn ect.
The memory functioncan beactivat edatany
time, e.g.even when theSmart Keyisnot in
the ignition lock.
With thememory function,youcan store upto
three differen tsett ings, e.g.forthree differen t
people.
The following settings arestored asasingle
memory preset:
R Position ofthe seat, backres tand head
restr aint
R Driver 'sside: steerin gwheel position
R Driver 'sside: position ofthe exterior mirrors
on the driver's andfront-passenger sides X
Adj ust the seat electr ically(Ypage 99).
X On the driver's side,adjust thesteerin g
wheel (Ypage 103)andtheexterior mirrors
(Y page 105).
X Press memory buttonMand one ofthe stor-
age position buttons1, 2or 3within three
secon ds.
The settings arestored inthe selected pre-
set position. Aton esounds whentheset-
tings havebeen complet ed. Calling
upastored setting X
Press andhold therelevant storageposition
button 1,2or 3until theseat, steerin g
wheel andexterior mirrors areinthe stored
position.
i The
settingprocedure isinter rupted as
soon asyou release thestorage position
button . 108
Memor
yfunctionSeats, steering wheelandmirrors

0070
Adju ststhe clima temod esetti ngs(Ypage 119 )
0071 Switche sai r-re circ ulati on mod eon/o ff(Y page 122) USA
only
0043 Sets thetemp erature ,le ft (Y page 119 )
0044 Sets clima tecontro lto automa tic(Ypage 119 )
0087 Defro ststhe windsh ield (Y page 120 )
0085 Switche sthe maximu mcoo ling MAX COOL onoroff (Ypage 121 )
0083 Switche scoo ling with airde hu mid ificati onon/o ff(Y page 118 )
0084 Switche sthe rearwi ndo wde fros teron/o ff(Y page 121 )
006B Switche sthe ZONE functio non/o ff(Y page 120 )
006C Sets thetemp erature ,rig ht (Y page 119)
006D Activa tes/deactiva tesclima tecontro l(Y page 118 )
006E Sets theairdi stri butio n(Y page 120 )
006F Sets theairfl ow (Ypage 120 )
0070 Adju ststhe clima temod esetti ngs(Ypage 119 )
0071 Switche sai r-re circ ulati on mod eon/o ff(Y page 122) Opti
mum useofdual -zoneauto matic
cl imate contro l
Cl imate contro lsys tem The
followi ng conta insinstruc tions and reco m-
mend ations toena ble yo uto get the mos tou t
of your 3-zone automa ticclima tecontro l.
R Activa teclima tecontro lus ing the 0058 and
005A buttons onthe contro lpa nel ofthe cli-
ma tecontro l.The indicator lamps in
the 0058 and005A buttons light up.
R In automa ticmod e,the 00F0 button onthe
cli ma tecontro lpa nel maybe used toaddi-
tio nal lyad jus tthe airfl ow (FOCUS/ MEDIU
M/DIFF USE).The MEDIU Mlevel is
reco mme nded.
R Set thetemp erature to72 ‡(22 †).
R Onl yus ethe "Wind shield de fros ting"fu nc-
tio nbri eflyunti lthe windsh ield iscle ar
ag ain.
R Onl yus eair-re circ ulati on mod ebri efly,e.g .
if ther ear eunp leas ant outside odors or
wh en inatunne l.The windo wscou ldothe r-
wi se fog up,si nce nofresh airis dra wn into
the vehiclein air-re circ ulati on mod e.
R Use theZONE functio nto adop tthe temp er-
atu resetti ngsonthe driver 'sside for the
front-p asseng erside aswell. The indicator
la mp inthe 00D6 button goesou t. Ove
rviewof climate contro lsys tems
117Climate contro l