2019 MERCEDES-BENZ SLC ROADSTER key battery

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 orreset, theside win-
dow closes withincreased ormaximum force.Thereversing featureisthen notactive. Partsof
the body could betrapped inthe closing areainthe process. Thisposes anincreased riskof
injury oreven 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 A
side window cannot
be closed because itis
blocked byobject s,e.g.
leaves inthe window
guide. X
Remove theobject s.
X Close theside window. A
side window cannot
be closed andyoucan-
not see thecause. If
aside window isobstructed duringclosing andreopens again
slightly:
X Immediately afterthewindow blocks,pullthecorresponding
switch againuntiltheside window hasclosed.
The side window isclosed withincreased force.
If aside window isobstructed againduring closing andreopens
again slightly:
X Immediately afterthewindow blocks,pullthecorresponding
switch againuntiltheside window hasclosed.
The side window isclosed without theautomatic reversingfea-
ture. 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. Thereisarisk ofinjury. Always
openorclose thesoft topcom-
pletely. G
WARNING
Closing theroof manually isacomplicated
and techn ically demanding procedure,which
requires alot ofstrengt h.You orothers can
become trapped. Thereisarisk ofinjury. 78
RoofOpening
andclosing

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

G
WARNING
After ashort time,hillstart assistwil lno lon-
ger brake yourvehicl eand itcoul droll awa y.
There isarisk ofan accide ntand injury .
There fore,quickly move yourfoot from the
brake pedalto the accele ratorpedal.Never
lea vethe vehicl ewhen itis held byhillstart
assi st.
Hill start assistisnot active if:
R you arepulling awayon aleve lroad oron a
dow nhill gradient
R the transmissi onisin posi tion 005C
R the electric parkingbrake isapp lied
R ESP ®
is malfu nctioning EC
Ostart/stop function
Introduc tion The
ECO start/stop functionswitches the
engine offautomatical lyifthe vehicl eis stop-
ped under certain conditions.
The engine startsautomatica llywhen the
drive rwants topul lawa yaga in.The ECO
start/stop functiontherebyhelpsyou to
redu cethe fuel consumpti onand emiss ionsof
you rvehicl e.
Important safetynotes G
WARNING
If the engine isswi tched offautomatica lly
and youexit thevehicl e,the engine is
restarted automatical ly.The vehicl emay
begi nmoving. Thereisarisk ofaccide ntand
injury .
If you wishto exit thevehicl e,alw aysturn
off the ignitio nand secure thevehicl e
aga inst rolling awa y. Gene
ralnote s 0043
ECO start/stop display
The ECO start/stop functionisactiva ted
whene veryou switch onthe engine using the
SmartKey orthe Start/Stop button.
If the engine hasbeen switched offautomati-
call yby the ECO start/stop function,the00D6
ECO symb olisshow nin the multi function dis-
pla y.
Automatic engineswitch-off If
the vehicl eis braked toastandstil lwith the
transmissi onin005B or005C, theECO start/stop
function switches offthe engine automatical ly.
The ECO start/stop functionisopera tional
when:
R the indica torlamp inthe ECO button islit
green
R the outsi detempera tureiswithi nthe range
that issui table forthe system
R the engine isat normal operatingtempera -
ture
R the settempera tureforthe vehicl einterior
has been reache d
R the battery issuffi ciently charged
R the system detects thatthewinds hieldis
not fogged upwhen theair-condi tioningsys-
tem isswi tched on
R the hood isclosed
R the drive r'sdoor isclosed andthedrive r's
seat beltis fastened
All ofthe vehicl e'ssystems remainactive
when theengine isstoppe dau tomatical ly.
Automatic engineswitch-off cantake placea
maximu mof four times inarow (initi alstop,
then three subsequ entstops).
The HOLD function canbeactiva tedifthe
engine hasbeen switched offautomatical ly.It
is then notnecessa ryto continue applying the
brakes duringthe automatic stopphase.When
you depre ssthe accele ratorpedal,the engine Drivi
ng
121Drivi ngand parking Z

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions 00AF
Rep laceKey Battery Rep
laceKey Battery The
SmartKey battery isdisc harged.
X Chan gethebat tery (Y page 69). 00AF
Don 'tForget Your Don
'tForget Your
Key Key The
SmartKey isno tin theign ition lock.You haveopen edthedri v-
er' sdoor withth een gin eswit ched off.
The mult ifunction disp laysho wsthedisp laymes sage amax imum of
60 sec onds and issim plyarem inder.
X Tak eth eSm artKey withyou when youleaveth eveh icle. 00AF
Key NotDetect ed Key
NotDetect ed
(re ddisp laymes sage ) The
SmartKey isno tin theveh icle.
A warn ingtone also soun ds.
If th een gin eis swit ched off,you can nolonger lockth eveh iclece n-
tr ally orstart theen gin e.
X Pull overand stop theveh iclesaf ely assoo nas pos sible,payin g
att ention toroa dand traff icco nd ition s.
X Se cur eth eveh icleagain strol lingaway (Ypage 134).
X Loc ate theSm artKey.
X Pre ss0076 onthest eer ing whee lto confirm thedisp laymes -
sage . Be
caus eth ere isint erf ere ncefrom ast ron gsour ceofradi owave s,
th eSm artKey isno tdet ectedwhils tth een gin eis run ning.
A warn ingtone also soun ds.
X Pull overand stop theveh iclesaf ely assoo nas pos sible,payin g
att ention toroa dand traff icco nd ition s.
X Se cur eth eveh icleagain strol lingaway (Ypage 134).
X Inser tth eSm artKey intoth eign ition lockand bring intoke y
mod e. 00AF
Key NotDetect ed Key
NotDetect ed
(whit edisp laymes sage ) The
SmartKey iscur ren tly und etec ted.
X Chan getheloc ation oftheSm artKey intheveh icle.
If th eSm artKey still can notbe det ected:
X Inser tth eSm artKey intoth eign ition lockand turnit to the
des iredpos ition . 00AF
Rem ove 'Start'But ‐ Rem
ove 'Start'But ‐
ton andInsert Key ton
andInsert Key The
SmartKey isco ntinu ally undetec ted.
KE YLE SS-GO istempo rarily malf unction ing orisdef ective. Awarn -
ing tone also soun ds.
X Inser tth eSm artKey intoth eign ition lockand turnit to the
des iredpos ition .
X Vis itaqualif iedspecialistwor kshop . Disp
laymes sage s
207On -boar dcomp uter anddi sp lay s Z

Tow
ingand tow-starti ng Impo
rtant safety notes G
WA
RNING
Wh entow ingortow -sta rtingano therveh icle
and itsweight isgre atertha nthe permi ssi-
bl e gro sswe ight ofyour veh icle, the :
R the towingeyecou ldde tach itself
R the vehicle/tra iler comb inationcou ldrol l-
ove r.
The reisaris kof an acc ident.
Wh entow ingortow -sta rtingano therveh i-
cle ,its weight sho uld not begre atertha n
the permi ssible gro sswe ight ofyour veh icle.
Deta ils on the permi ssible gro ssveh iclewe ight
of your veh iclecan befou ndonthe vehicle
id enti ficati on plate (Ypage 297 ).
! Wh
enActiv eBra keAssi st,Activ eDis tance
Assi stDISTR ONICor the HOLD functio nis
acti vated ,the vehiclebra kes automa tically
in certa insitua tions.
To avoid da ma getothe vehicle, de acti vate
the sesystem sin the followi ng orsimil arsit-
ua tio ns:
R wh en tow ingthe vehicle
R in the carwash
! Onl
ysec urethe tow ropeor tow barat the
tow ingeyes. Othe rwise, the vehiclecou ldbe
da ma ged.
! Do
not usethe towingeyefor reco very,
thi scou ldda ma gethe vehicle. Ifin do ubt,
reco verthe vehiclewi th acra ne.
! Wh
entow ing,pu llaw ay slow lyand
smo othly.Ifthe tractiv epo we ris too high,
the vehicles cou ldbe dama ged.
! Do
not tow with sling -typ eeq uipme nt.This
cou ldda ma gethe vehicle.
! Wh
entow ingaway veh icles with KEYL ESS-
GO ,us ethe key instea dof the Star t/Stop
bu tton. Theautoma tictransmi ssion may
othe rwise shi ftto positio n005D when you
op en the driver 'sor fro nt-pa ssenge rdo or,
wh ich cou ldda ma gethe transmi ssion. !
Ma
kesure tha tthe electri cpa rkin gbra ke
is rel eased .If the electri cpa rkin gbra keis
fa ulty, visitaqu alifi ed speci alistwo rksh op.
! Yo
uma ytow thevehiclefor ama xim um
di sta nce of30 miles(50 kilome ters).A tow -
ing spee dof 30 mph (50km/h )mu stnot be
exce eded.
For towingdista nces over30 miles
(50 kilome ters),the entireveh iclemu stbe
ra ised and transp orte d.
! Wh
enyouar etow -sta rtingor tow ing
ano therveh icle, its weight mu stnot exce ed
the maxim um permi ssible gro sswe ight of
yo ur veh icle.
It is be tter tohave the vehicletra nsp orte d
tha nto have ittow edaway.
The automa tictransmi ssion mu stbe inpo si-
tio n005C when the vehicleis be ing tow edaway.
The battery mustbe conne ctedandcharged.
Othe rwise, you:
R canno ttur nthe Sma rtKeyto positio n0048 in
the igniti onlock
R canno tshi ftthe automa tictransmi ssion to
po sitio n005C
Dea ctivate the automa ticlocking feature
be for ethe vehicleis tow ed(Ypage 178 ).Yo u
cou ldothe rwise be locked outwh en pushi ng
or tow ingthe vehicle. In
stal ling /re mov ingthe towingey e
In stal ling the towingey e G
WA
RNING
The exhaust tai lpi pe maybe veryhot. There
is aris kof burns when rem oving the rear
cove r.
Do not touchthe exhaust pipe .Ta ke partic u-
la rcar ewh en rem oving the rearcove r. Tow
ingand tow-starti ng
263Break downass istanc e Z