MERCEDES-BENZ SLC ROADSTER 2020 Owners Manual
Page 91 of 310
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 sint he 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 isar isk ofan accident. Steering
wheel
89Seats,steering wheeland mir rors
Z
Page 92 of 310
Adju
stthe driver 'ssea t,hea drestrai nt,
stee ring wheeland mir ror and fasten your
sea tbeltb efore starting theengine. G
WA
RNING
Ch ildre ncouldinju rethem selves ifthey
ad jus tthe stee ring wheel.The reisar isko f
inju ry.
Nev erleav ec hild ren unsuperv ised inthe
veh icle.
Whe nleaving the vehicle, alwa ystake the
Sma rtKeywithy ou and lock the vehicle. Thi s
al so appliesf or the DigitalV ehicleK eyifthe
"Di gital Veh icleK ey"fun ctio nisa ctivated via
Mer cedesme conne ct.
The electri callyad jus tab lestee ring wheelcan
sti llbe adjus ted when ther eisn oS martKe yin
the igniti onlock. Adjus
tingthe ste ering wheelm an-
ual ly G
WA
RNING
If the stee ring wheelisu nlocke dwhile the
veh iclei sinm otion, itcou ldcha nge positio n
une xpected ly.T hisc ouldcau seyout olose
contro lofthe veh icle. The reisar isko fan
acci dent.
Befo resta rting off,makesure the stee ring
wh eelisl oc ked .Never unl ock thestee ring
wh eelw hile the vehiclei sinm otion. 0043
Releas el ever
0044 Adju ststhe stee ring wheelh eight
0087 Adju ststhe stee ring wheelp ositio n( fore-
and -afta djus tment)
X Pu sh release lever 0043down comp letel yin
the directi onofthe arrow .
The stee ring colum nisu nlocke d.
X Adju stthe stee ring wheeltot he desired
po sitio n.
X Pu sh release lever 0043upcomp letel y.
The stee ring colum nisloc ked .
X Ch eck ifthe stee ring colum nisloc ked .
Whe ndoing so, trytopush the stee ring
wh eelupo rdow no rtry to move itin the
fore -and -aftd irecti on. Adjus
tingthe ste ering wheelelect ri-
cal ly 0043
Adju ststhe stee ring wheelh eight
0044 Adju ststhe stee ring wheelp ositio n( fore-
and -afta djus tment)
i Further relate dsubjects:
R EASY-ENT RY/EXIT feature (Ypage 91)
R Stori ngsetti ngs(Ypage 95) 90
Ste
ering wheelSe ats, steering whe elan dm irrors
Page 93 of 310
EASY-EN
TRY/EXIT feature
Imp ortant safety notes G
WAR
NING
If you driveoffwhile theE ASY-EN TRY/ EXIT
feat ure ismak ingadjust men ts,y ou coul d
lose control of thev ehicle .Ther eisar iskof
an acc iden t.
Always waituntilth ea djust men tproces sis
com pletebefo redriv ingoff. G
WAR
NING
When theE ASY-EN TRY/ EXITfeat ure adjust s
th es teeri ng wheel, youand other vehicle
occ upant s–particular lych ildre n–c ould
bec ome trapped. Thereisar iskofinjury.
While theE ASY-EN TRY/ EXITfeat ure ismak -
ing adjust men ts,m akes ure that no oneh as
any body partsint he sweep ofthes teeri ng
wheel.
If som ebody become strapped:
R pres sone ofthem emory function posi-
tio nb utto ns ,o r
R mov ethe swit chfor steeri ngwheel
adj ust men tint he oppo sited irection to
th at inwhic hthe steeri ngwheel ismov -
ing .
The adjust men tproces siss topped . G
WAR
NING
When theE ASY-EN TRY/ EXITfeat ure adjust s
th es teeri ng wheel andthed river' ss eat ,you
and other vehicle occupant s–particular ly
ch ildre n–c ouldb ecome trapped. Thereisa
risk ofinjury.
While theE ASY-EN TRY/ EXITfeat ure ismak -
ing adjust men ts,m akes ure that no oneh as
any body partsint he sweep ofthes eat and
th es teeri ng wheel. If
som ebody become strapped:
R pres sone ofthem emory function posi-
tio nb utto ns ,o r
R pres sone ofthem emory function mem -
ory buttons ,o r
R mov ethe swit chfor steeri ngwheel
adj ust men tint he oppo sited irection to
th at inwhic hthe steeri ngwheel ismov ing
The adjust men tproces siss topped . G
WAR
NING
If you useopen ingsint he bodywor kor
det ach able partsassteps, you could:
R slip and/ orfall
R damag ethe veh icle and caus eyours elfto
fall.
Ther eisar iskofinjury.
Always usesecure clim bingaids, e.g.as uit-
able ladder .
The EASY- ENTRY/ EXITfeat ure mak esget ting
in and outofyour vehicle easier .
You canactivat eand deac tivate theE ASY-
EN TRY/ EXITfeat ure intheo n-bo ard com pute r
(Y page 179).
Posit ionofthes teeri ng wheel when
th eE ASY-EN TRY/EXIT feature isact ive The
steeri ngwheel swingsup when you:
R rem ove theS martKey from thei gn ition lock
R open thed river' sd oor with KEYLE SS-GO in
posit ion1
R open thed river' sd oor and theS martKey is
in posit ion0092or0047
i The
steeri ngwheel movesupwards onlyif
it has nota lread yreac hed theu pper steer-
ing limit er.
Posit ionofthes teeri ng wheel fordriv-
ing The
steeri ngwheel ismov edtothel ast selec -
te dp osit ion when :
R thed river' sd oor isclo sed
R you insert theS martKey intot he ignition
loc k St
eerin gwheel
91Seats,steerin gwheel andmirrors Z
Page 94 of 310
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 179). 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 isar isk 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 sareactually closerthantheyappear.
This means thatyoucould misjudge thedis-
tanc efrom road users traveling behind,e.g.
when changing lane.There isar isk ofan
accident .
For this reason, alwaysmake sure ofthe
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
Page 95 of 310
ext
erior mirror usingbutton 0087aslong as
the indicat orlamp islit.
X Press button 0087up, down, tothe right orto
the left.
The exterior mirror mustbeset toap osition
that provides youwith agood overview of
traff iccon ditions .
The convex exterior mirror sprovide alarger
field ofvision.
The exterior mirror sareautomatic 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 gonthe rear window
defrost er.
Folding theexterior mirrorsino rout
electrically X
Make surethattheSmart Keyisin position
0047 or0048 inthe ignition lock.
X Briefly pressbutton 0043.
Bot hexterior mirror sfold inor out.
i Make
surethattheexterior mirror sare
alway sfolded outfully while driving. They
could otherwisevibrate.
Folding theexterior mirrorsino rout
aut omat ically If
the "Fold inmirror swhen lockin g"func tion is
activat edinthe on-board comput er
(Y page 180): R
the exterior mirror sfold inautomatic allyas
soon asyou lock thevehicle fromtheout-
side.
R the exterior mirror sfold out again automati-
cally assoon asyou unlock thevehicle and
then open thedriver's orfron t-passenger
door.
i The
exterior mirror sdon otfold 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 sasu sual
(Y page 92). Automa
ticanti- glare mirrors G
WARN
ING
Elect rolyte mayescape ifthe glass inan
automatic anti-glare mirror breaks. Theelec-
trolyt eish armful andcauses irritation.It
must notcome intocontact with your skin,
eyes, respirator yorgans orcloth ingorbe
swallowed. Thereisar isk 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
Page 96 of 310
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 positionofthe front-
passe nger-side exteriormirrorusingmemory
button M0085.T hereverse 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 ap ositio nthat allows youtosee therear
wheel andthecurb.
The parking positioniss tored.
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 ngersidetoap ositio nthat allows youto
see therear wheel onthat side assoon asyou
engage thereverse 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 dbevisib lein the exterior
mirror.
X Press memory buttonM0085 and one ofthe
arrows onbutton 0087within threeseconds.
The parking positioniss tored ifthe exterior
mirror doesnotmove.
X Ifthe mirror moves outofpositio n,repea t
the steps. 94
MirrorsSeats,
steerin gwheeland mirrors
Page 97 of 310
Callin
gupas tored parking position
set ting X
Turn theS martKey toposi tion0048 inthei gn i-
tio nlock.
X Sel ect thee xteri or mir ror onthef ront-
pass enger side usingbutto n0044.
X En gage revers egear .
The exterior mirror onthef ront-pa sse nger
side movestothes toredp ark ing posi tion.
The exterior mirror onthef ront-pa sse nger side
mov esback toits orig inal posi tion:
R as soon asyou excee das peedof9 mph
(15 km/h)
R ifyou pres sbutto n0043 for thee xteri or mir ror
on thed river' ss ide Mem
oryfunct ion St
ori ng set tings G
WAR
NING
If you usethem emory function onthed riv-
er' ss ide while driving,you coul dlose con-
tr ol of thev ehicle asaresult ofthea djust -
men tsbein gmade.Ther eisar isko fana cci-
den t.
On lyuse them emory function onthed riv-
er' ss ide when thev ehicle isstatio nary. G
WAR
NING
When them emory function adjust sthe seat ,
you and other vehicle occupan ts–p articu-
larly childre n–c ouldb ecome trapped. There
is ar isko finjury. While
them emory function ismak ingadjust -
men ts,m akes ure that no oneh asany body
part sint he sweep ofthes eat .
If som eonebecome strapped, pressam em-
ory posi tions wit ch orseat adjust men t
swit chimm ediat ely. G
WAR
NING
Childr encoul dbecome trapped ifth ey act i-
vat ethe mem oryfunction ,part icular lywhen
unat tende d.Ther eisar isko finjury.
Nev erleave childre nunsuperv isedinthe
veh icle.
When leavingthev ehicle ,always takethe
Sm artKey withyou and lockthe veh icle.This
also applies fortheD igital Veh icle Key ifth e
"Dig italVeh icle Key" function isact ivat edvia
Mer cedesme connect.
The mem oryfunction can beact ivat edatany
tim e,e.g .evenw hen theS martKey isno tin
th ei gn ition lock.
Wit hthe mem oryfunction ,you can store upto
th ree differe ntset tings, e.g.for three differe nt
peopl e.
The followin gsettin gs are store dasas ingle
mem orypres et:
R Posi tiono fthe seat ,back restand head
res traint
R Dr iver 'sside: steer ing wheel position
R Dr iver 'sside: positiono fthe exterior mirrors
on thed river' sa nd fron t-pass enger sides Mem
oryfunct ion
95Seats,steerin gwheel andmirro rs Z
Page 98 of 310
X
Adju stthe seatelectri cally(Y page 87) .
X On the driver 'sside ,adjus tthe stee ring
wh eel(Y pa ge 90)and the exte riorm irrors
(Y page 92).
X Pre ssmem orybutton Mand one ofthe stor -
ag ep ositio nb uttons 1,2or 3wi thi nt hre e
sec ond s.
The setti ngsares tored inthe selecte dpre-
set positio n.At one sounds when the set-
ting shaveb eenc omp leted . Cal
ling up astored settin g X
Pre ssand holdthe releva ntstor agep osition
bu tton 1,2or 3unti lthe sea t,stee ring
wh eeland exte riorm irrors arei nt he stor ed
po sitio n.
i The
setti ngpro ced urei sinte rrupte das
soo nasyou release the stor agep osition
bu tton. 96
Me
mory functionSe ats, steering whe elan dm irrors
Page 99 of 310
Ext
erio rlight ing Gener
alnot es
For reas onso fsafe ty,Mer cedes-Ben zrecom-
men dsthat you drivewiththel ight sswit ched
on even duringthe dayti me.Insom ecoun -
tr ies, oper ationofthe headlam psvar ies due to
legal requirementsand self -impose doblig a-
tio ns. Set
tingthe ext erio rlight ing
Set tingo ptions Ex
terior light ingcan beset usin g:
R thel ight switch
R thec om binatio nswit ch (Ypage 99)
R theo n-bo ard com pute r(Y page 177)
Light switch Oper
ation 0047
0063
Left-han dstandi ng lamps
0048 0064
Right-hand standi nglamps
0049 0060
Parkinglamps ,lice nsep latea nd
ins trumen tclus terlight ing
004A0057 Automatic hea dlam pm ode,contro l-
le db ythe light sens or
004B 0058
Low-beam/hi gh-b eamh eadlam ps
0084 005E
Rear fog lamp
If yo uh earaw arning tone when youl eave the
veh icle, the lights maystill be switch edon.
X Tu rn the light switch to0058. The
exte riorlighti ng (excep tthe parking /
sta ndi ng lamps )switch esoff automa ticallyi f
yo u:
R rem ove theSma rtKeyfrom theigniti onlock
R op en the driver 'sdo or wh ilet he Sma rtKeyis
in po sitio n0092 inthe igniti onlock
Au tomati cheadlamp mode G
WA
RNING
Whe nthe light switch isset to0058,t he
lo w-b eamh eadlam psma ynotbe switch ed
on automa ticallyi fther eisf og ,snow or
othe rcauses ofpoor vis ibility duet ot he
we ath ercond itions such asspr ay.T he re isa
ris ko fana ccident.
In such situa tions, turn thelight switch to
0058.
The automa tichea dlam pfeature isonl yana id.
The driver isres ponsi blef or the vehicle's light-
ing atallt ime s.
0058 isthe preferred light switch positio n:
R The light setti ngisau toma ticallys electe d
acco rding tothe brightne ssofthe ambient
li ght (excep tion:po or vis ibility duet o
we ath ercond itions such asfog ,snow or
spr ay).
R Wi th the Sma rtKeyinp ositio n 0047 inthe igni-
tio nlock: the parking lamps ares witch edon
or off automa ticallyd epending on the bright-
ness ofthe ambient light.
R Wi th the enginerunning :ify ou have acti va-
ted thedaytime running lamps functio nvia
the on-b oard comp uter,the daytime running
la mps orthe parking lamps andthelow-
be am headlam psares witch edon oroff
au toma ticallyd epending on the brightne ss
of the ambient light.
X To
switcho nauto matic headlamp mode:
turn thelight switch to0058.
Can ada only:
The daytime running lamps improve thevisibil-
ity ofyour veh icled uring the day.The daytime
ru nning lamps functio nisr equired bylawi n
Ca nad a.Itcanno tther eforebe deacti vated .
Whe nthe eng ineisrunning andthevehiclei s
sta tionar y:ifyo us hift the automa tictrans mis-
si on from adriving positio nt op ositio n 005D the
da ytime running lamps orlow-b eamh ead-
la mps goouta fte r3m inutes. Ex
teri orlighti ng
97Lights andwind shield wipers Z
Page 100 of 310
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,t hemanual 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 177).
If the engine isrunn ingand youturn thelight
switch to0060 or0058,t hemanual settings
take preceden ceover thedaytime running
lamps.
Low-beam headlamps G
WARNIN
G
When thelight switch isset to0058,t he
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. Thisisap articularly 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 takenoteofthe 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
aw elllitarea, 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