2020 MERCEDES-BENZ SL ROADSTER light

Switching
theseat heating on/off
Switching on/off G
WARNING
Repeatedly switchingonthe seat heating
can cause theseat cushion andbackrest
pads tobecome veryhot.Thehealth ofper-
sons withlimited temperature sensitivityor
a limited abilityto react tohigh tempera-
tures maybeaffected orthey mayeven suf-
fer burn-like injuries.Thereisarisk ofinjury.
Therefore, donot switch theseat heating on
repeatedly.
! When
theseat heating isswitched on,the
seat surface canbedamaged asaresult of
object sbeing placed onthe seats, forexam-
ple, seat cushions, childseats andprotec-
tive covers notapproved byMercedes-B enz.
Ensure thatthere arenoobject son the seat
surface whentheseat heating isswitched
on. Driver's
andfront -passenger seat The
three redindicator lampsinthe button
indicate theheating levelyouhave selected.
The system automatically switchesdownfrom
level 3to level 2after approximately eight
minutes.
The system automatically switchesdownfrom
level 2to level 1after approximately ten
minutes.
The system automatically switchesoffapprox-
imately 20minutes afteritis set tolevel 1.
X Make surethattheSmartK eyisin position
0047 or0048 inthe ignition lock.
X To switch on:press button 0043repeatedly
until thedesired heating levelisset.
X To switch off:press button 0043repeatedly
until allthe indicator lampsgoout.
i If
the battery voltage istoo low, theseat
heating mayswitch off.
Problems withtheseat heating Problem
Possible
causes/co nsequences and0050 0050
Solutions The
seat heating has
switched offprema-
turely orcannot be
switched on.The vehi-
cle's electrical system
voltage istoo low
because toomany elec-
trical consumers are
switched on. Switch
offelectrical consumers thatyoudonot need, suchasthe
rear window defroster orinterior lighting.
Once thebattery issufficiently charged,switchonthe seat heating
again. Seats
101Seats,steering wheeland mirrors 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

Mirrors
Exteri
ormirrors
Adjusting theexteri ormirrors G
WARNING
You couldlose control ofyou rvehicl eif you
do the followi ngwhi ledrivi ng:
R adju stthe drive r'sseat, headrestrai nt,
steering wheelor mirrors
R fasten theseat belt
There isarisk ofan accide nt.
Adjust thedrive r'sseat, headrestrai nt,
steering wheeland mirror andfasten your
seat beltbefore starting theengine. G
WARNING
The exterior mirroronthe front-passeng er
side reducesthesize ofthe imag e.Visi ble
objects areactua llycloser thantheyappear.
This means thatyoucouldmisjud gethe dis-
tance fromroaduserstraveli ngbehi nd,e.g.
when changi nglane .There isarisk ofan
accide nt.
For this reas on,alwaysmake sureofthe
actua ldista ncefrom theroad userstraveli ng
behi ndbyglancing overyourshou lder. X
Make surethattheSmartKey isin posi tion
0047 or0048 inthe ignitio nlock.
X Press button 0043for the left exterior mirror
or button 0044for the right exterior mirror.
The indica torlamp inthe correspo ndingbut-
ton lights upinred.
The indica torlamp goesoutagainafter
some time.Youcanadju stthe sele cted exterior
mirrorusing button 0087aslong as
the indica torlamp islit.
X Press button 0087up, dow n,to the right orto
the left.
The exterior mirrormustbeset toaposi tion
that provi desyou with agood overvi ewof
traffic conditions.
The convex exterior mirrorsprovidealarg er
fiel dof visi on.
The exterior mirrorsareautomatica llyhea ted
after starting thevehicl eif the rear windo w
defros terisswi tched onand theoutsi detem-
pera ture islow .Mirror heating lastsup to10
minutes.
i You
canalsohea tup the exterior mirrors
manua llyby swi tching onthe rear windo w
defros ter.
Fo lding theexteri ormirrors inor out
ele ctrical ly X
Make surethattheSmartKey isin posi tion
0047 or0048 inthe ignitio nlock.
X Briefl ypress button 0043.
Both exterior mirrorsfoldinor out.
i Make
surethattheexterior mirrorsare
alw aysfolde dout fullywhi ledrivi ng.They
coul dotherwi sevibra te.
Exteri ormirror pushed outofposi tion If
an exterior mirrorhasbeen pushed outof
posi tion, procee das foll ows:
X Move theexterior mirrorintothecorrect
posi tion manua lly.
The mirror housingisengag edaga inand
you can adju stthe exterior mirrorsasusu al
(Y pag e105) . Mirrors
105Seats,steering wheeland mirrors Z

Ext
erio rlight ing Gener
alnot es
For reas onsof safe ty,Mer cedes-Ben zrec om-
men dsthat you drivewith thelight sswit ched
on even duringth edayti me.Insom ecoun -
tr ies, oper ationof theheadlam psvar ies due to
legal requirementsand self-impose doblig a-
tio ns. Set
tingth eext erio rlight ing
Set tingopt ions Ex
terior light ingcan beset usin g:
R thelight switch
R thecom binatio nswit ch(Ypage 110)
R theon -bo ard com pute r(Y page 202)
Light switch Oper
ation 0047
0063
Left-han dstandi nglamps
0048 0064
Right-hand standi nglamps
0049 0060
Parkinglamps ,lice nseplat eand
ins trumen tclus terlight ing
004A 0058
Automat icheadlam pmod e,con trol-
led bythelight sensor
004B 0058
Low-beam/ high-beam headlam ps
0084 005E
Rearfoglamp
0084 005E
Rearfoglamp
If you hear awarn ingtone when youleave the
veh icle,th elight smay still be swit ched on.
X Turn thelight switchto0058. The
exterio rlight ing(excep tth epark ing/
st andi nglamps )swit ches off auto maticall yif
you:
R rem ove theSm artKey from theign ition lock
R open thedriv er'sdoor while theSm artKey is
in posit ion0092intheign ition lock
Aut oma tichea dlamp mod e G
WAR
NING
When thelight switchisset to0058, the
low- beam headlam psmay notbe swit ched
on auto maticall yif th ere isfog ,sn ow or
ot her caus esofpoor visibilit ydue tothe
weat hercondition ssuc has spr ay. Ther eis a
risk ofan acc iden t.
In suc hsit uatio ns,tur nth elight switchto
0058.
The auto maticheadlam pfeat ure ison lyan aid.
The driverisres pon sible fortheveh icle'slight -
ing atall tim es.
0058 isthepref erred light switchposit ion:
R The light settingis auto maticall yselec ted
acc ording tothebrig htnes sof theambie nt
light (excep tion:poor visibilit ydue to
weat hercondition ssuc has fog ,sn ow or
spr ay).
R Wit hth eSm artKey inposit ion0047intheign i-
tio nloc k:thepark inglamps areswit ched on
or off auto maticall ydepen dingon thebrig ht-
nes sof theambie ntlight .
R Wit hth eeng inerunning:ifyou have activa-
te dth edayti merunninglamps function via
th eon -bo ard com pute r,thedayti merunning
lamps orthepark inglamps andthelow-
beam headlam psare swit ched on oroff
auto maticall ydepen dingon thebrig htnes s
of theambie ntlight .
X To
swit chon autom atic hea dlamp mod e:
tur nth elight switchto0058.
Cana daonly:
The dayti merunninglamps improvethevisi bil-
ity ofyour vehicle durin gth eday. Thedayti me
run ninglamps function isrequi redbylaw in
Canada. Itcan notth eref orebedeac tivate d.
When theeng ineisrun ningand theveh icle is
st atio nary:ifyou shiftth eauto matictrans mis-
sion from adriv ingposit iontoposit ion005Dthe
dayti merunninglamps orlow- beam head-
lamps goout after3min utes. Ext
erior lighting
109Light sand windsh ieldwiper s Z

When
theengine isrunn ing,thevehicle issta-
tionary andinbright ambient light:ifyou turn
the light switch tothe 0060 position, theday-
time runninglamps andparking lampsswitch
on.
If the engine isrunn ingand youturn thelight
switch to0058, themanual settings take prec-
edence overthedaytime runninglamps.
USA only:
The daytime runninglamps improve thevisibil-
ity ofyour vehicle duringtheday. Todo this,
the daytime runninglamps functionmust be
switched onusing theon-board computer
(Y page 202).
If the engine isrunn ingand youturn thelight
switch to0060 or0058, themanual settings
take preceden ceover thedaytime running
lamps.
Low-beam headlamps G
WARNIN
G
When thelight switch isset to0058, the
low-beam headlamps maynotbeswitched
on automatically ifthere isfog, snow or
other causes ofpoor visibility duetothe
weather conditionssuch asspray. Thereisa
risk ofan accident .
In such situation s,turn thelight switch to
0058.
Even ifthe light sensor doesnotdetect thatit
is dark, theparking lampsandlow-beam head-
lamps switch onwhen theignition isswitched
on and thelight switch isset tothe 0058 posi-
tion. Thisisaparticularly usefulfunctioninthe
event ofrain andfog.
X To
switch onthe low-beam headlamps:
turn theSmart Keytoposition 0048inthe igni-
tion lock orstart theengine.
X Turn thelight switch to0058.
The green 0058indicator lampinthe instru-
ment cluster lightsup.
Park inglamp s
! If
the batter ycharge isvery low,thepark-
ing lamps orstandin glamps areautomati-
cally switched offtoenable thenext engine
start .Always parkyourvehicle safelyandin
a well litarea, inaccordan cewith therele-
vant legal stipulations. Avoidusingthe0060
parking lampsoveraperiod ofseveral hours.
Ifpossible, switchonthe right- hand
0064 orleft- hand 0063 standin glamps.
X To switch on:turn thelight switch to0060.
The green 0060indicator lampinthe instru-
ment cluster lightsup.
Stand inglamp s
Switc hingonthe standin glamps ensures the
corr esponding sideofthe vehicle isillumina-
ted.
X To switch onthe stand inglamp s:the
Smart Keyisnot inthe ignition lockoritis in
position 0092inthe ignition lock.
X Turn thelight switch to0063 (left-hand side
of the vehicle) or0064 (right- handsideof
the vehicle). Combination
switch 0043
High-beam headlamps
0044 Turn signal, right
0087 High-beam flasher
0085 Turn signal, left
X To indicate briefly:pressthecombin ation
switch brieflytothe pressure pointinthe
direct ionofarrow 0044or0085.
The corresponding turnsignal flashes three
times.
X To indicate: pressthecombin ationswitch
beyond thepressure pointinthe direct ionof
arrow 0044or0085.
X To
switch onthe high-beam headlamps:
turn thelight switch to0058 or0058.
X Press thecombin ationswitch beyond the
pressure pointinthe direct ionofarrow 0043.
In the 0058 position, thehigh-beam head-
lamps areonly switched onwhen itis dark
and theengine isrunn ing. 110
Exterior
lightingLightsandwindshield wipers

The
blue 0057 indicator lampinthe instr u-
ment cluster lightsupwhen thehigh-beam
headlamps areswitched on.
X To
switch offthe high-beam headlamps:
move thecombinat ionswitch backtoits
normal position.
The blue 0057 indicator lampinthe instr u-
ment cluster goesout. Haza
rdwarning lamps X
To
switch onthe haza rdwarning lamps:
press button 0043.
All turn signals flash.Ifyou now switch ona
turn signal usingthecombinat ionswitch,
only theturn signal lamponthe correspon d-
ing side ofthe vehicle willflash.
X To
switch offthe haza rdwarning lamps:
press button 0043.
The hazard warning lampsautomatically
switch onif:
R an air bag isdeployed or
R the vehicle decelerates rapidlyfromaspeed
of above 45mph (70km/ h)and comes toa
standst ill
The hazard warning lampsswitch offautomati-
cally ifthe vehicle reaches aspeed ofabove
6 mph (10km/ h)again afterafull brake appli-
cation.
i The
hazard warning lampsstilloperate if
the ignition isswitched off. Cornering
lightfunction
The corn ering lightfunct ionimproves theillu-
mination ofthe road overawide angle inthe
direction youareturnin g,enabling bettervisi-
bility intight bends, forexample. Thecorn er- ing
light funct ioncan only beactivated when
the low-beam headlamps areswitched on.
Active:
R ifyou aredriving atspeeds below25mph
(40 km/ h)and switch onthe turn signal or
turn thesteerin gwheel
R ifyou aredriving atspeeds between 25mph
(40 km/ h)and 45mph (70km/ h)and turn
the steerin gwheel
The corn ering lampmayremain litfor ashort
time, butisautomatically switchedoffafter no
more thanthree minutes.
Cornering lightfunction withtraffic circle
function:
The corn ering lightfunct ionisactivated on
both sides before enteringatraff iccircle
through anevaluation ofthe current GPSposi-
tion ofthe vehicle. Itremains activeuntilafter
the vehicle hasleftthetraff iccircle. Inthis
way, pedestrians crossingthe road, forexam-
ple, areilluminated byyour vehicle ingood
time. Active
lightfunction
The active lightfunct ionisasystem that
moves theheadlamps accordingtothe steer-
ing movemen tsof the front wheels. Inthis
way, relevant areasremain illuminated while
driving. Thisallows youtorecogn izepedes-
trians, cyclists andanimals sooner.
Active: whenthelights areswitched on.
Vehicles withLane Keeping Assist:the active
light funct ionevaluates thecourse ofthe lane
in which youaredriving andpre-empt ively
cont rolstheactive lightfunct ion. Adapt
iveHighbeam Assist
General notes You
canusethis funct iontoset the headlamps
to change between lowbeam andhigh beam
automatically. Thesystem recognizesvehicles
with their lights on,either approaching from
the opposite direction ortraveling infront of
your vehicle, andconsequent lyswitches the
headlamps fromhighbeam tolow beam.
The system automatically adaptsthelow-beam
headlamp rangedepending onthe distance to
the other vehicle. Oncethesystem nolonger Exterior
lighting
111Lightsandwindshield wipers Z

detec
tsany other vehicles, itreact ivates the
high-beam headlamps.
The system' soptic alsensor islocated behind
the windshield neartheoverhead control
panel.
Impor tantsafet ynotes G
WARN
ING
Adaptiv eHighbeam Assistdoesnotrecog-
niz eroad users:
R who have nolights, e.g.pedestr ians
R who have poorlightin g,e.g. cyclist s
R whose lightingis block ed,e.g. byabarrier
On very rareoccasions, AdaptiveHighbeam
Assist mayfailtorecogn izeother roadusers
that have lights, ormay recogn izethem too
late. Inthis, orinsimilar situation s,the auto-
matic high-beam headlamps willnotbe
deactiv atedorwill beactiv ated regardless.
There isarisk ofan acciden t.
Always carefully observethetrafficcon di-
tion sand switch offthe high-beam head-
lamps ingood time.
Adaptiv eHighbeam Assistcannottake into
accoun troad, weather ortraf ficcon dition s.
Adaptiv eHighbeam Assistisonly anaid. You
are respon sibleforadjustin gthe vehicle's
lightin gto the prevailing light,visibility and
traf ficcon dition s.
In partic ular,thedetec tionofobstac lescan be
rest rictedifther eis:
R poor visibility, e.g.due tofog, heavy rainor
snow
R dirt onthe sensor sor the sensor sare
obscured
Switching AdaptiveHighbeam Assist
on/off X
To switch on:turn thelight switch to0058.
X Press thecombin ationswitch beyond the
pressure pointinthe direct ionofarrow 0043.
The 00CE indicat orlamp inthe multifun ction
display lightsupwhen itis dark andthelight
sensor activates thelow-beam headlamps.
If you aredriving atspeeds aboveapprox-
imately 16mph (25km/ h): The
headlamp rangeisset automatic ally
dependin gon the distanc ebetween the
vehicle andother roadusers.
If you aredriving atspeeds aboveapprox-
imately 19mph (30km/ h)and noother
road users havebeen detec ted:
The high-beam headlamps areswitch edon
automatic ally.The0057 indicat orlamp in
the instrument clusteralsolights up.
If you aredriving atspeeds belowapprox-
imately 16mph (25km/ h)or other road
users havebeen detec tedorthe roads are
adequately lit:
The high-beam headlamps areswitch edoff
automatic ally.The0057 indicat orlamp in
the instrument clustergoesout.The00CE
indicat orlamp inthe multifun ction display
remains lit.
X To switch off:move thecombin ation
switch backtoits norm alposition ormove
the light switch toanot herposition .
The 00CE indicat orlamp inthe multifun ction
display goesout. Interior
lighting Overview
ofinterior lighting Overhead
control panel
0043 003D Switchestheleft- hand reading lamp
on/ off
0044 004A Switchestheinterior lightin gon
0087 0033 Switchestheinterior lightin g/auto-
matic interior lightin gcon trol off
0085 003D Switchestheright -handreading lamp
on/ off
0083 Switc hestheautomatic interior lightin g
con trol on 112
Interior
lightingLightsandwindshield wipers

Int
erior ligh ting cont rol
Gener alnot es In
ord erto pre ven tth eveh icle's battery from
disc harg ing,th eint erio rligh ting fun ction sare
auto maticallydeac tivat ed aftersom etime,
unle sstheSm artKey isin pos ition 0048inthe
ign ition lock.
The color and brightne ss oftheambi entligh t-
ing are setviathemult imed iasyst em
(Y page 202).
Aut oma tic int erior ligh ting cont rol X
To swit chon: settheswit chtocenter pos i-
ti on 004B.
X To swit choff:set theswit chtothe0033
pos ition .
The interio rligh ting auto maticallyswit ches on
if you:
R unlo cktheveh icle
R open adoor
R rem ove theSm artKey from theign ition lock
The interio rligh ting isswit ched on for aset
ti me when theSm artKey isrem ovedfrom the
ign ition lock.You canactivat eth is delaye d
swit ch-off usin gth eon -board comput er
(Y page 203). Rep
lacin gbul bs
The fron tand rear lamp sof your vehicleare
equipp edwithLE Dbulbs .Do notrep lace the
bulbs yourself.Con tacta qualif iedspec ialist
wor kshop whic hhas thene cessar yspec ialist
kn owled geand tools tocar ryout thewor k
req uire d.
Bulb sand lamp sare animpo rtant aspe ctof
veh iclesaf ety. You must there foremak esur e
th at these function correc tly at all times .Hav e
th eheadl ampsetting checke dreg ularly. Win
dshiel dwiper s Swit
chingth ewind shield wiper s
on/of f
! Do
notoper atethewin dsh ield wiper s
when thewin dsh ield isdry, asthis co uld damag
eth ewiper blades.Mor eover,dust
th at has collec tedon thewin dsh ield can
sc rat ch theglass ifwipin gtak esplac ewhen
th ewin dsh ield isdry.
If it is ne cessar yto swit chon thewin dsh ield
wiper sin dry weat hercond ition s,always use
washe rfluid when operating thewin dsh ield
wiper s.
! If
th ewin dsh ield wiper sleav esme arson
th ewin dsh ield aftertheveh iclehas been
washe din an auto maticcar wash, waxor
ot her residues maybethereas onfor this.
Clean thewin dsh ield usingwashe rfluid
aft erwashi ngtheveh iclein an auto matic
car wash.
! In
te rm itte nt wipin gwit hrain sensor:due
to opt ical influen cesand thewin dsh ield
bec omi ngdirt yin dry weat hercond ition s,
th ewin dsh ield wiper smay beact ivat ed
ina dve rten tly. This could then damag eth e
win dsh ield wiper bladesor scrat ch thewin d-
shie ld.
Fo rth is reas on,you should always switch
off thewin dsh ield wiper sin dry weat her. Comb
ination swit ch
0047 003F Windshield wiper off
0048 0062 Inte rm itte nt wipe, low(rain sensor
set tolow sensitivit y)
0049 0063 Inte rm itte nt wipe, high(rain sensor
set tohigh sensitivit y)
004A 00AA Continuo uswipe, slow
004B 00A9 Continuo uswipe, fast
0084 00D3 Single wipe/ 00D4Wipes thewin d-
shie ldusin gwashe rfluid
If th ewiper bladesare worn,thewin dsh ield
will nolonger bewiped properly.This could
pre ven tyou from observing thetraff icco nd i-
ti on s. Wind
shield wiper s
113Light sand winds hieldwiper s Z