2019 MERCEDES-BENZ SLC ROADSTER ignition

Problems
withtheroof Problem
Possible
causes/co nsequences and0050 0050
Solutions The
roof willnotopen or
close. The
trunk partition isnot closed andnotproperly engaged.
X Close thetrunk partition (Ypage 80). The
trunk lidisopen.
X Close thetrunk lid(Ypage 74). The
on-board voltageistoo low.
X Leave theengine running. The
roof hasbeen opened andclosed several timesinarow. The
roof drive hasswitched offautomatically.
You canopen andclose theroof again afterapproximately ten
minutes.
X Switch offthe ignition andturn itback on.
X Repeat theopening orclosing procedure. The
automatic roofsystem isfaulty.
X Visit aquali fiedspecialist workshop. 84
RoofOpening
andclosing

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. 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.
Problems withAIRSCA RF AIRSCARF
hasswitched offprematurely orwill
not switch on.The vehicle's electrical system
voltage istoo low because toomany electrical
consumers areswitched on.
X Switch offelectrical consumers thatyoudo
not need, suchasthe rear window defroster
or interior lighting.
X Switch onAIRSCARF again. Steering
wheel Import
antsafety notes G
WARNING
You could losecontrolofyour vehicle ifyou
do the following whiledriving:
R adjust thedriver's seat,head restraint ,
steering wheelormirrors
R fasten theseat belt
There isarisk ofan accident. Steering
wheel
89Seats,steering wheeland mirrors
Z

or
R you press theStart /Stopbutton onceon
vehicles withKEYLE SS-GO
When youclose thedriver's doorwiththeigni-
tion switched on,the steering wheelisalso
automatically movedtothe previously set
position.
The lastposition ofthe steering columnis
stored whenyouswitch offthe ignition or
when youstore thesettingwith thememory
funct ion(Ypage 95).
Crash- responsive EASY-EXIT featur e If
the crash-r esponsive EASY-EXI Tfeature is
triggered inan accident ,the steering column
will move upwards whenthedriver's dooris
opened. Thisoccurs irrespect iveofthe posi-
tion ofthe Smart Keyinthe ignition lock.This
makes iteasier toexit thevehicle andrescue
the occupant s.
The crash-r esponsive EASY-EXI Tfeature isonly
operational ifthe EAS Y-EXI T/ENTRY featureis
activated inthe on-board computer
(Y page 178). Mirr
ors Inside
rearview mirror X
Anti-glare mode:flickanti-glare lever0043
forwards orback. Exterior
mirrors
Adjust ingthe exterior mirrors G
WARNING
You could losecontrolofyour vehicle ifyou
do the following whiledriving:
R adjust thedriver's seat,head restraint ,
steering wheelormirrors
R fasten theseat belt
There isarisk ofan accident .
Adjust thedriver's seat,head restraint ,
steering wheelandmirror andfasten your
seat beltbefore startingthe engine. G
WARNING
The exter iormirror onthe front -passenger
side reduces thesize ofthe image. Visible
object sare actually closerthantheyappear.
This means thatyoucould misjudge thedis-
tanc efrom roadusers traveling behind,e.g.
when changing lane.There isarisk ofan
accident .
For this reason, alwaysmake sureofthe
actual distance fromtheroad users traveling
behind byglancing overyour shoulder. X
Make surethattheSmart Keyisin position
0047 or0048 inthe ignition lock.
X Press button 0043for the left exter iormirror
or button 0044for the right exteriormirror.
The indicator lampinthe correspon dingbut-
ton lights upinred.
The indicator lampgoesoutagain after
some time.Youcanadjust theselected 92
Mirr
orsSeats, steering wheelandmirrors

ext
erior mirror usingbutton 0087aslong as
the indicat orlamp islit.
X Press button 0087up, down, tothe right orto
the left.
The exterior mirror mustbeset toaposition
that provides youwith agood overview of
traff iccon ditions .
The convex exterior mirror sprovide alarger
field ofvision.
The exterior mirror sare automatic allyheated
after startingthe vehicle ifthe rear window
defrost erisswitched onand theoutside tem-
perature islow. Mirror heating lastsupto10
minutes .
i You
canalso heat upthe exterior mirror s
manually byswitchin gon the rear window
defrost er.
Folding theexterior mirrorsin or out
electrically X
Make surethattheSmart Keyisin position
0047 or0048 inthe ignition lock.
X Briefly pressbutton 0043.
Bot hext erior mirror sfold inor out.
i Make
surethattheexterior mirror sare
alway sfolded outfully while driving. They
could otherwisevibrate.
Folding theexterior mirrorsin or out
aut omat ically If
the "Fold inmirror swhen locking"func tion is
activat edinthe on-board comput er
(Y page 179): R
the exterior mirror sfold inautomatic allyas
soon asyou lock thevehicle fromtheout-
side.
R the exterior mirror sfold outagain automati-
cally assoon asyou unlock thevehicle and
then open thedriver's orfron t-passenger
door.
i The
exterior mirror sdo not fold outifthey
have been folded inmanually.
Exterior mirror push edout ofposition If
an ext erior mirror hasbeen pushed outof
position ,proceed asfollows:
X Vehicles
withoutelectrically folding
exterior mirrors: move theexterior mirror
into thecorr ectposition manually.
X Vehicles
withelectrically foldingexte-
rior mirrors: press andhold mirror -foldin g
button untilyouhear themirror clickinto
place (Ypage 93).
The mirror housing isengaged againand
you can adjust theexterior mirror sas usual
(Y page 92). Automa
ticanti- glare mirrors G
WARN
ING
Elect rolyte mayescape ifthe glass inan
automatic anti-glare mirror breaks. Theelec-
trolyt eis harmful andcauses irritation.It
must notcome intocontact with your skin,
eyes, respirator yorgans orcloth ingorbe
swallowed. Thereisarisk ofinjury.
If you come intocontact with theelectr o-
lyte, observe thefollowing:
R Rinse offthe electr olytefromyourskin
immediately withwater.
R Immediately rinsetheelectr olyteoutof
your eyes thoroughly withclean water.
R Ifthe electr olyteisswallowed, immedi-
ately rinse yourmouth outthor oughly. Do
not induce vomiting.
R Ifelectr olytecomes intocontact with your
skin orhair orisswallowed, seekmedical
atten tionimmediately. Mirr
ors
93Seats, steering wheelandmirrors
Z

R
Immedia telychange outofclothing which
has come intocontact withelectroly te.
R Ifan allergic reaction occurs,seekmedi-
cal attention immediately.
The rear-view mirrorandtheexterior mirroron
the driver's sideautoma ticallygointo anti-
glare mode ifthe follow ingconditions aremet
simul taneousl y:
R the ignition isswitched onand
R incident lightfrom headlampsstrikes the
sensor inthe rear-view mirror
The mirrors donot gointo anti-glare modeif
reverse gearisengaged orifthe interior light-
ing isswitched on. Parking
positionfor the exterio rmir-
ror onthe front-passenge rside
Setting andstoring theparking posi-
tion Usin
gthe memory button You
canstore theparking positionof the front-
passe nger-side exteriormirrorusingmemory
button M0085. The reverse gearmust notbe
engaged duringthe process.
X Make surethatthevehicle isstationary and
that theSmartKey isin positio n0048 inthe
ignition lock.
X Press button 0044for the exterior mirroron
the front-passenger side. X
Engage reverse gear.
The exterior mirroronthe front-passenger
side moves tothe preset parking position.
X Use button 0087toadjust theexterior mirror
to apositio nthat allows youtosee therear
wheel andthecurb.
The parking positionis stored.
i If
you shift thetransmission toanother
positio n,the exterior mirroronthe front-
passe ngersidereturns tothe driving posi-
tion.
Usin greverse gear You
canadjust theexterior mirroronthe front-
passe ngersidetoapositio nthat allows youto
see therear wheel onthat side assoon asyou
engage reverse gear.Thissetting canbe
stored usingmemory buttonM0085.
X Ensure thattheSmartKey isin positio n0048
in the ignition lock.
X With theexterior mirroronthe front-
passe ngersideactivated, usebutton 0087to
adjust theexterior mirror.Therear wheel
and thecurb shoul dbe visib lein the exterior
mirror.
X Press memory buttonM0085 and one ofthe
arrows onbutton 0087within threeseconds.
The parking positionis stored ifthe exterior
mirror doesnotmove.
X Ifthe mirror moves outofpositio n,repea t
the steps. 94
MirrorsSeats,
steerin gwhe eland mirrors

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 176).
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.
Rear foglamp
The rear foglamp improves visibilityofyour
vehicle forthe traff icbehind inthe event of
thick fog.Please takenoteof the count ry-spe-
cific regulations forthe use ofrear foglamps. X
To switch onthe rear foglamp :turn the
Smart Keytoposition 0048inthe ignition lock
or start theengine.
X Turn thelight switch to0058 or0058.
X Press the005E button .
The yellow 005Eindicator lampinthe instru-
ment cluster lightsup.
X To switch offthe rear foglamp :press the
005E button .
The yellow 005Eindicator lampinthe instru-
ment cluster goesout.
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). 98
Exterior
lightingLightsandwindshield wipers

The
high-beam headlamps areswitched on
automatically. The0057 indicator lampin
the instr ument cluster alsolights up.
If you aredriving atspeeds belowapprox-
imately 16mph (25km/ h)or other road
users havebeen detect edorthe roads are
adequa telylit:
The high-beam headlamps areswitched off
automatically. The0057 indicator lampin
the instr ument cluster goesout.The00CE
indicator lampinthe multifunct iondisplay
remains lit.
X To switch off:move thecombinat ion
switch backtoits normal position ormove
the light switch toanother position.
The 00CE indicator lampinthe multifunct ion
display goesout. Interior
lighting Overview
ofinterior lighting Overhead
controlpanel
0043 003D Switch esthe left- hand reading lamp
on/of f
0044 0033 Switch esthe automatic interiorlight-
ing cont rolon/of f
0087 003D Switch esthe right- hand reading lamp
on/of f
0085 004A Switch esthe inter iorlighting on/off Interior
lighting control
General notes In
order toprevent thevehicle's batteryfrom
discharging, theinter iorlighting functionsare
automatically deactivatedaftersome time, unless
theSmart Keyisin position 0048inthe
ignition lock.
The color andbrightn essofthe ambient light-
ing are setviathe multimedia system
(Y page 177).
Automa ticinterior lighting control X
To switch on:setthe switch tothe cent er
position.
When theautomatic interiorlighting control
is switched on,the switch isflush withthe
overhead controlpanel.
X To switch off:setthe switch tothe 0033
position.
The inter iorlighting automatically switcheson
if you:
R unlock thevehicle
R open adoor
R remove theSmart Keyfrom theignition lock
The inter iorlighting isswitched onfor aset
time when theSmart Keyisremoved fromthe
ignition lock.Youcanactivate thisdelayed
switch- offusing theon-board computer
(Y page 177). Replacing
bulbs Import
antsafety notes G
WARNIN
G
Bulbs, lampsandconn ector scan getvery
hot when operating. Ifyou change abulb,
you could burnyourself onthese compo-
nent s.There isarisk ofinjury.
Allow these compon entstocool down
before changing abulb.
Vehicles withhalogen lamps
Do not use alamp thathasbeen dropped orif
its glass tubehasbeen scratc hed.
The lamp mayexplode if:
R you touch it
R itis hot
R you drop it
R you scratc hit
Only operate bulbsinenclosed lamps
designed forthat purpose. Onlyinstall spare Replacing
bulbs
101Lightsandwindshield wipers Z

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 wiperscheckedataquali fiedspecialist
workshop. The
windshield washer
fluid from thespray noz-
zles nolonger hitsthe
cent erofthe wind-
shield. The
spray nozzlesare misaligned.
X Have thespray nozzlesadjusted ataquali fiedspecialist work-
shop. Windshield
wipers
105Lightsandwindshiel dwipers Z