2020 MERCEDES-BENZ SLC ROADSTER warning

has
been setcorrect ly.Ifthis isnot the
case, repeat thesteps above. Problems
withtheside window s G
WARNING
If you close aside window againimmediately afterithas been blocked, theside window closes
with increased ormaximum force.Thereversing functionisthen notactive. Partsofthe body
could betrapped inthe closing areainthe process. Thisposes anincreased riskofinjury or
even fatalinjury.
Make surethatnoparts ofthe body areinthe closing area.Tostop theclosing process,
release theswitch orpush theswitch againtoreopen theside window. Problem
Possible
causes/co nsequences and0050 0050
Solutions As
ide window cannot
be closed because itis
blocked byobject s,e.g.
leaves inthe window
guide. X
Remove theobject s.
X Close theside window. As
ide window cannot
be closed andyoucan-
not see thecause. If
as ide window isobstructed duringclosing andreopens again
slightly:
X Immediately afterthewindow blocks,pullthecorresponding
switch againuntiltheside window hasclosed.
The side window isclosed withincreased force.
If as ide window isobstructed againduring closing andreopens
again slightly:
X Immediately afterthewindow blocks,pullthecorresponding
switch againuntiltheside window hasclosed.
The side window isclosed without theautomatic reversingfunc-
tion. The
side windows can-
not beopened orclosed
using theconven ience
opening/closing fea-
ture. The
SmartKey batteryisdischarged ornearly discharged.
X Check theSmartKey battery(Ypage 69)and replace itifneces-
sary (Ypage 69). Roof
Import
antsafety notes G
WARNING
If you donot fully open/close thesoft top,
the soft- tophydrau licsdepressurize aftera
short time.Thiscauses thesoft toptolower
unexpectedly andmay cause youorothers
to be trapped. Thereisar isk ofinjury. Always
openorclose thesoft topcom-
pletely. G
WARNING
Closing theroof manually isac omplicated
and techn ically demanding procedure,which
requires alot ofstrengt h.You orothers can
become trapped. Thereisar isk ofinjury. 78
RoofOpening
andclosing

Only
have thesoft topclosed manuall yata
qual ified speciali stworkshop.
! Never
siton the rear shelf orstore heavy
objects there.Youwillotherwise damage
the roof andtherear shelf ofyour vehicle.
! Do
not forget thattheweather canchange
abruptly .Make certain thattheroof is
closed whenyouleave thevehicle. Thevehi-
cle electronics canbedamaged ifwater
enters thevehicle interior.
! When
opening andclosing theroof, make
sure that:
R there issufficient clearance, asthe roof
swings upwards.
R there issufficient clearance behindthe
vehicle, asthe trunk lidswings backwards
beyond thebumper.
R the trunk isonly loade dtob elow the
trunk partition.
R the trunk partition isnot pushed upbythe
load.
R the trunk partition isclosed.
R the trunk lidisclosed.
R the outside temperature isabove 5‡
( 00F8 15 †).
You could otherwise damagetheroof, trunk
and other partsofthe vehicle.
The vehicle dimensions foropening/closing
the roof canbefound inthe "Vehicle data"
section (Ypage 305).
Make surethattheroof andrear window are
clean anddrybefore opening theroof. Other-
wise, water ordirt could enterthevehicle inte-
rior ortrunk. Opening
andclosing using theroof
switch
Importa ntsafety notes G
WARNING
When opening orclosing theroof, body
parts could betrapped by,forexample, the
roof mechanism, trunklidorside windows.
There isar isk ofinjury.
When raising orlowering theroof, make
sure thatnobody parts areinthe vicinity of moving
component s.Ifsomeone becomes
trapped, releasethebutton.
For safety reasons, youcan only open orclose
the roof when thevehicle isstationary.
! Operating
theroof while pulling awa y:
R Observe thefollowi ngtraffic carefully .
R Do not drive faster than25mph
(40 km/h).
R Avoid abrupt braking andswerving
maneuvers.
Do not operate theroof when cornering,
driving onuneven surfaces orduring strong
winds. Thevehicle mayotherwise bedam-
aged.
i If
the traffic conditions meanthatyouhave
to drive offwhile opening/closing theroof,
the procedure whichwasstarted whilesta-
tionary canbecont inued atspeeds ofup to
approximately 25mph (40km/h).
Opening andclosing X
Vehicles
withoutsemi-automa tictrunk
part ition: closethetrunk partition
(Y page 80).
X Close thetrunk lid(Ypage 73).
X Turn theSmartKey toposition 0048inthe igni-
tion lock.
X Open thecover inthe lower center console.
Roof switch 0043islocated underthecover.
X To open:p ullroof switch 0043until theentire
roof isstowed awayint he trunk.
The Vario-Roof inOperation Vario-Roof
inOperation message
appea rsinthe multifunction display.Once
the opening procedure iscomplete, the
message disappearsandatone sounds.
All ofthe side windows open. Roof
79Opening andclosing Z

If
you opera tethe roof switch andthe
Trunk Partition Open Trunk
Partition Openmessage appears
in the multifu nctiondisplay,the trunk parti-
tion isnot closed correctly.
X Clos ethe trunk partition.
X To clo se: press andhold soft-top switch0043
until thesoft topisfull yclosed.
The Vario-Roof inOperation Vario-Roof
inOperation message
appe arsinthe multifu nctiondisplay.Once
the opening procedureiscomplete, the
messag edisappea rsand atone sounds.
All ofthe side window sopen.
X To close allside window s,pul lthe switch
under thecover ofthe center console
(Y page 76). Openin
g/closing using theSmart Key
Important safetynotes G
WARNING
When opening orclosing theroof, body
parts could betrapped by,forexample ,the
roof mechanism, trunklidorside window s.
There isar isk ofinjury.
When raisingorlowe ringtheroof, make
sure thatnobody parts areinthe vicinity of
moving components. Ifsomeone becomes
trapped ,relea sethe button.
Openin gand closing This
function isonly availableon vehicle swith
KEYLESS- GOorwith roofcomfort operation.
X Clos ethe trunk lid(Ypage 73).
X Vehicl eswith comfort operation: point
the tipofthe SmartKey atthe driver's door
handle .
X Vehicl eswith KEYLESS -GO:theSmartKey
must bewithin 6ft(2m )ofthe vehicle .
X To open: pressandhold the0036 button on
the SmartKey untiltheroof isfull yopened.
The roof andtherear side window sopen.
The front sidewindow sclose.
X To
interrupt theopeni ngprocedure:
relea sethe 0036 button.
X To open thefront sidewindows: pressthe
0036 button onthe SmartKey again. X
To clo se: press andhold the0037 button
on the SmartKey untiltheroof isfull y
closed.
The roof andtheside window sclose.
X To
interrupt theclosing procedure:
relea sethe 0037 button. Loc
king theroof again
Important safetynotes G
WARNING
If you donot fullyopen/close thesoft top,
the soft-top hydraulics depres surizeaftera
short time.Thiscause sthe soft toptolowe r
unexpectedly andmay cause youorothers
to be trapped .There isar isk ofinjury.
Alway sopen orclose thesoft topcom-
pletel y.
The roof isnot locked if:
R the 0059 symbo land the Vario-Roof in Vario-Roof
in
Operation Operation
messageappe arinthe multi-
function display
R the 0059 symbo land the Open/Close Open/Close
Vario-Roof Completely Vario-Roof
Completelymessageappe ar
in the multifu nctiondisplayand youhear a
warning tone
R you hear awarning toneforuptoten sec-
onds when pulling awayorw hiled riving
Loc king You
canlock theroof againifit is not locked
full y.
X Pul lover and stop thevehicle safelyassoon
as possib le,pay ing attention toroad and
traffic conditions.
X Ensure thattheSmartKey isin positio n0048
in the ignition lock.
X Press theroof switch (Ypage 79). Trunk
partition
Gene ralnotes !
To
avoid damagingtheroof orlug gage
when foldingback theroof, youshoul d: 80
RoofOpeni
ngand closi ng

R
only load thetrunk tobelow thetrunk par-
tition
R not place anyobject sono rinf ront ofthe
trunk partition
R not place anyobject sonthe cover behind
the rollbars
R not allow thecargo topush thetrunk par-
tition upwards
The trunk partition canbeused tocover lug-
gage andloads inthe trunk .
Opening andclosi ng X
To open: gripthehandle oftrunk parti-
tion 0043.
X Press therelease buttoninthe handle of
trunk partition 0043.
Trunk partition 0043isunlocked.
X Pull trunk partition 0043upout ofthe eyelets
on the edge ofthe trunk .
X Push trunk partition 0043forwards againstthe
direction ofthe arrow byhandle.
X To close: pullback trunk partition 0043bythe
handle inthe direction ofthe arrow and
engage intotheeyelets onthe edge ofthe
trunk onboth sides. Wind
screen
Import antsafety notes G
WARNING
If you usethewind screen indarkness orin
other condit ionsoffering poorvisibility, your
view tothe rear isfurther impaired. Thereis
ar isk ofan accident .
Only usethewind screen whenvisibility con-
ditions aregood. G
WARNING
If the wind screen isincorr ectlyinstalled, it
could detach itselfduring ajourney and
endanger otherroadusers. Thereisar isk of
an accident andinjury.
Inst allthe wind screen asdescribed.
! Inst
allorremove thewind screen only
when theroof isopen. Youcould otherwise
damage thewind screen orthe vehicle inte-
rior.
The wind screen offersprotect ionfrom the
wind when driving withtheroof down.
The wind screen canbeinstalled orremoved
from thedriver's sideorpassenger side.
For operations involvingthewind screen ,iti s
preferable tobe positioned onthe side ofthe
vehicle facingawayfromthetraffic ,after stop-
ping thevehicle inaccordanc ewiththe traffic
condit ions.
Installing andremoving thewind
screen Prepa
ringforinstallation 0043
Wind screen
0044 Unlock edlatch
0087 Lock edlatch
X The following conditionsmust befulfilled for
installation: Roof
81Opening andclosing Z

Opera
tingAIRGUIDE X
To fold outAIRGUIDE: turndisc0043inthe
direct ionofthe arrow towards themiddle of
the vehicle tothe stop.
X Repeat withdisc0044.
X To fold inAIRGUIDE: turndiscs 0043and 0044
back behind therollbar tothe stop.
Disc s0043 and 0044can also beused independ-
ent lyof each other,e.g. when youaredriving
without apassenger. MAGIC
SKYCONTR OL
General notes MAGIC
SKYCONTROL isap anorama roof,the
tran sparenc yofw hich canbechanged by
applying electricalvoltage.
MAGIC SKYCONTROL canbeswitched
between darkenedand transparent states.
MAGIC SKYCONTROL darkensautomatic ally
after ashort period whenyouturn theSmart -
Key toposition 0092inthe ignition lockor
remove theSmart Key.
Risk ofelectric shock G
DANGER
MAGIC SKYCONTROL operatesusinghigh
voltage. Ifthe trim behind theoverhead con-
trol panel isdamaged orremoved, electrical compon
entsw illbe exposed. Ifyou touch
these compon ents,you could getanelectr ic
shock .There isar isk offatal injury.
R Never remove thetrim behind theover-
head control panel.
R Ifthe trim isdamaged, nevertouch the
electr icalcompon entsbehind it.
R Always havework onthe MAGIC SKY
CONTROL carriedoutataq ualified spe-
cialist worksho p.
The electr icalcompon entsofM AGIC SKY
CONTROL areprotec tedbyap aneling behind
the overhead control panel.
The MAGIC SKYCONTROL control unit is
marked withayellow warning sticker that
warns youofhigh voltage. Theelectr iccables
of the high-vo ltagesectionare color orange.
Opera tingMAGIC SKYCONTR OL X
Turn theSmart Keytoposition 0047or0048 in
the ignition lock.
MAGIC SKYCONTROL switchestothe sta-
tus itwas settobefore theengin ewas
switched off.
X To
change thedegree oftranspa rency:
press button 0043.
At temper aturesbelowfreezing,thechange is
slower anduneven .The ent ireprocess may
take some time. Roof
83Opening andclosi ng Z

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

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

i
If
you activate theresidu alheat function at
high temperature s,only theventilation will
be activated. Theblow erruns atmediu m
speed .
X To deactivate: pressthe004B or0056 but-
ton.
The indicator lampinthe 004B or0056 but-
ton goes out.
Resi dualheat isdeactiva tedautoma tically:
R after appro ximately 30minutes
R when theignition isswitched on
R ifthe battery voltage drops Setting
theairvents Important
safetynotes G
WARNING
Very hotorvery cold aircan flow from the
air vents. Thiscould resultinb urns orfrost-
bite inthe immedi atevicinity ofthe air
vents. Thereisar isk ofinjury.
Make surethatallvehicle occupants always
maintain asufficie ntdistance tothe airout-
lets. Ifnecessary ,redirect theairflowto
another areaofthe vehicle interior. G
WARNING
When AIRSCARF isswitched on,very hotair
can flow from thevents inthe head
restraints. Thiscould resultinb urns inthe
immedi atevicinity ofthe airvents. Thereisa
risk ofinjury.
Redu cethe heater outputbefore itbecomes
too hot.
In order toensure thedirect flowoffresh air
through theairvents intothevehicle interior,
plea seobserve thefollow ingnotes:
R keep theairinlet grilleonthe hood andin
the engine compartment onthe front-
passe ngersidefreeofblockage s,such as
ice, snow orlea ves.
R never covertheairvents orair intake grilles
in the vehicle interior. i
You
canmove theadjusters forthe air
vents verticall yorhorizontally toset the
direction ofthe airflow.
i For
optimal climatecontrolinthe vehicle ,
open theairvents completely andsetthe
adjusters tothe central position. Setting
thecenterairvents X
To open thecenterairvents: turnthe
adjuster inone ofcenter airvents 0043coun-
ter-clockwise.
X To clo sethe centerairvents: turnthe
adjuster inone ofcenter airvents 0043clock-
wise untilitengages . Setting
theside airvents 0043
Side window defroster vent
0044 Side airvent
X To open aside airvent: turntheadjuster
in the side airvent 0044tothe left.
X To clo seaside airvent: turntheadjuster
in the side airvent 0044tothe right untilit
engages . Setting
theairvents
115Climate control Z