2020 MERCEDES-BENZ SLC 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 timesinar ow. 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 fied specialist 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 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

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

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

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

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

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

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 178).
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 178). Replacing
bulbs Import
antsafety notes G
WARNIN
G
Bulbs, lampsandconn ector scan get very
hot when operating. Ifyou change abulb,
you could burnyourself onthese compo-
nent s.There isar isk 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