2020 MERCEDES-BENZ SLC warning light

Spi
nning thewheel sresults inac utti ngacti on
wh ich provides bette rgrip.
i Activa
teESP ®
as soo nasthe situ ations
des crib edabove nolonger apply. ESP ®
wi ll
othe rwisenot beableto stab ilize the vehicle
if the vehicles tartsto skid oraw heelstar ts
to spi n.
! Avoi
dspinning thedriven wheel sfor an
extend edper iodw ithE SP®
dea ctiva ted.You
cou ldothe rwisedamag ethe drivetra in.
De acti vatin g/acti vatin gESP® X
To deac tivate :pre ssbutton 0043.
The 00BB ESP®
OFF warning lamp inthe
instru ment cluster lights up.
X To acti vate :pre ssbutton 0043.
The 00BB ESP®
OFF warning lamp inthe
instru ment cluster goesout.
Chara cteristi cswhe nESP®
is deac tiva-
ted
If ESP ®
is dea ctiva tedand one ormore wheel s
star ttos pin, the 00E5 ESP®
wa rning lamp in
the instru ment cluster flashe s.In such situ a-
tions ,ESP ®
wi llnot stab ilize the vehicle.
If yo ud eactiva teESP ®
:
R ESP ®
no longer improve sdriving stability
R engi netorqu eisn olon ger limite dand the
dri ve wheel sareableto spi n
R tracti oncontrol isstil lacti vate d
R Active BrakeAssistisno longer availab le;
nor isitacti vate difyou bra kefirm lywith
as sis tance fromESP® R
PR E-SAFE ®
is no longer availab le,n or isit
acti vate difyou bra kefirm lyand ESP®
inter -
vene s
R ESP ®
stil lprovid es suppo rtwh en youb rake
firm ly
De acti vatin g/acti vatin gESP®
(e xc ept
Merc edes-AMG SLC4 3) Impo
rtant safetynotes
i Obs
erve the"Important safety notes "sec-
tion (Ypage 57).
You canselect betw eenthefollowi ng state sof
ESP ®
:
R ESP ®
is acti vate d
R SPOR Thandling mod eisa ctivate d
R ESP ®
is dea ctiva ted. G
WARNI
NG
Whe nSPOR Thandling mod eisa ctivate d,
there isag reate rrisko fskid ding and acci-
dents .
Only activate SPOR Thandling mod eint he
situ ations describ edinthe followi ng. G
WARNI
NG
If yo ud eactiva teESP ®
,E SP ®
no longer sta-
bi lizes thevehicle. The reisan incre ased risk
of skid ding and anacci dent.
Only deactiva teESP ®
in the situations
des crib edinthe followi ng.
In the followi ng situ ations, itmay bebette rto
acti vate SPOR Thandling mod eordeactiva te
ESP ®
:
R wh en using snow chains
R in dee psnow
R on sand orgra vel
R on spe ciallyd esignate droads when the
veh icle's owno verstee ringandunderste er-
ing characte ristics aredesired
Spi nning thewheel sresu ltsinac utti ngacti on
wh ich provides bette rgrip.
Drivi nginSPOR Thandling mod eorwithou t
ESP ®
req uires anextrem elyq ualifi ed and
expe rienced driver. 62
Dri
vin gsafe tysys temsSafe ty

i
Activa
teESP ®
as soo nasthe situa tions
de scri beda bove no longe rapply.E SP ®
wi ll
othe rwisenot beableto sta bilize the vehicle
if the vehicles tarts toski do raw heelsta rts
to spi n.
! Avoi
dspinning thedriven wheelsfor an
exte ndedperiodw ithE SP®
de acti vated .You
cou ldothe rwisedama gethe drivetra in.
De acti vati ng/ac tivatin gESP® X
To acti vate SPORThand ling mode :bri efly
pre ssbutton 0043.
The 0074 SPORThandling mod ewarning
la mp inthe instrum entcluster lights up.The
SPO RTHandling Mode SPO
RTHandling Modemes sage appe arsi n
the multifu nctio ndispl ay .
X To
deac tivate SPO RThand ling mode :
bri eflyp ress button 0043.
The 0074 SPORThandling mod ewarning
la mp inthe instrum entcluster goesout.
X To deac tivate ESP®
:pre ssbutton 0043unti l
the 00BB ESP®
OFF warning lamp lights up
in the instrum entcluster .
The 00E5 OFF OFF
message appe arsi nt he mu lti-
fu nctio ndispl ay .
X To acti vate ESP®
:bri eflyp ress button 0043.
The 00BB ESP®
OFF warning lamp inthe
ins trum entcluster goesout.T he 00E5 ESP®
ON ON
mes sage appe arsi nt he mu ltifu nctio n
di spl ay.
Cha racte risticso facti vate dSPORT han-
dli ng mode
If SPOR Thandling mod eisa ctivated and one
or more wheelssta rtto spi n,the 00E5 ESP®
wa rning lamp inthe instrum entcluster flashe s.
ESP ®
onl ystabilizes thevehiclet oal imite d
de gre e. Whe
nSPOR Thandling mod eisa ctivated :
R ESP ®
onl yimp rove sdriving stability to a
li mite ddegree
R trac tionc ontro liss till acti vated
R eng inetorq ueisno longe rlim ite da nd the
dri ve wheelsarea blet os pin
R ESP ®
sti llpro vides supp ort when youb rake
fir mly
Cha racte risticsw henE SP®
is deac tiva-
ted
If ESP ®
is de acti vated and one ormore wheels
sta rtto spi n,the 00E5 ESP®
wa rning lamp in
the instrum entcluster flashe s.In such situa -
tio ns, ESP ®
wi llnot stabilize the vehicle.
If yo ud eacti vate ESP ®
:
R ESP ®
no longe rimp rove sdriving stability
R eng inetorq ueisno longe rlim ite da nd the
dri ve wheelsarea blet os pin
R trac tionc ontro liss till acti vated
R Active BrakeAssi stisno longe ravailab le;
nor isitacti vated ifyo ub rake firmly with
as sista nce from ESP®
R PR E-SAFE ®
is no longe ravailab le,nor isit
acti vated ifyo ub rake firmly and ESP®
inte r-
vene s
R ESP ®
sti llpro vides supp ort when youb rake
fir mly EBD
(electro nicb rake force distrib u-
tio n)
Ge neral info rmatio n EBD
moni torsandcontro lsthe brakepre ssu re
on the rearwheelst oimp rove driving stability
wh ileb raking .
Impo rtant safetynotes i
Obs
ervethe "Impo rtant safety notes "sec-
tio nfor driving safety system s(Ypa ge57). G
WA
RNING
If EBD isma lfunctio ning,the rea rwheelsc an
lo ck, e.g.und er fullbra king .Thisi ncr eases
the risko fskidd ing and anacci dent.
Yo us houldt her eforeadapty ou rd riving
sty leto the differ ent handl ing characteri s- Dri
ving safe tysys tems
63Safety
Z

Smar
tKey Import
antsafety notes G
WARNING
If children areleft unsupervised inthe vehi-
cle, they could:
R operate thevehicle's equipment
Additionally, childrencouldsetthe vehicle in
motion if,for example, they:
R release theparking brake
R shift theautomatic transmissionoutof
park position 005D
R start theengine
There isar isk ofan accident andinjury.
Never leavechildren oranimals unattended
in the vehicle.
When leaving thevehicle, alwaystake the
SmartK eywith youand lock thevehicle. This
also applie sfor the Digital Vehicle Keyifthe
"Digital Vehicle Key"functionisactivated via
Mercedes meconn ect. G
WARNING
If you attach heavyorlarge object stot he
SmartK ey,the SmartK eycould beuninten -
tionally turnedinthe ignition lock.This
could cause theengine tobe switched off.
There isar isk ofan accident.
Do not attach anyheavy orlarge object sto
the SmartK ey.Remove anybulky keyrings
before insertin gthe SmartK eyinto theigni-
tion lock.
! Keep
theSmartK eyaway fromstrongmag-
netic fields. Otherwise, theremote control
funct ioncould beaffected.
Str ong magnetic fieldscanoccur inthe
vicinity ofpowerful electrical installations.
Do not keep theSmartK ey:
R with electron icdevices, e.g.amobile phone
or another SmartKey
R with metallic objects,e.g. coins ormetal foil
R inside metallic objects,e.g. ametal case
This canaffect thefunct ionality ofthe
SmartK ey. Smar
tKeyfunctions 0043
0037 Locks thevehicle
0044 0054 Unlock sthe trunk lid
0087 0036 Unlock sthe vehicle
X To unlock centrally: pressthe0036 but-
ton.
If you donot open thevehicle withinapprox-
imately 40seconds ofunlocking:
R the vehicle islocked again.
R anti-t heftprotect ionisreactivated
X To lock centrally: pressthe0037 button.
The SmartK eycent rally locks/un locks:
R the doors
R the trunk lid
R the stowage compartmen tint he cent ercon-
sole
R the fuel filler flap
The turn signals flashonce when unlocking
and three times whenlocking.
You canalso setanaudib lesignal toconfirm
that thevehicle hasbeen locked. Theaudib le
signal canbeactivated anddeactivated using
the on-board computer (Ypage 179).
When itis dark, thesurround lightingalso
comes onifit is activated inthe on-board
computer (Ypage 178). KEY
LESS-GO
General notes Bear
inmind thattheengine canbestarted by
any ofthe vehicle occupants ifthere isaK EY-
LES S-GO keyinthe vehicle (Ypage 120). 66
Smar
tKeyOpening andclosing

Problem
Possible
causes/co nsequences and0050 0050
Solutions The
engine cannot be
started usingtheSmart-
Key. The
on-board voltageistoo low.
X Switch offnon- essential consumers, e.g.seat heating orinterior
lighting, andtrytostart theengine again.
If this does notwork:
X Check thestarter battery andcharge itifnecessary
(Y page 260).
or
X Jump-start thevehicle (Ypage 261).
or
X Consult aquali fied specialist workshop. The
engine cannot be
started usingKEYLE SS-
GO. TheSmartK eyisin
the vehicle. The
vehicle islocked.
X Unlock thevehicle andtrytostart thevehicle again. The
SmartK eybattery isdischarged ornearly discharged.
X Check theSmartK eybattery (Ypage 69)and replace itifneces-
sary (Ypage 69).
If this does notwork:
X Start yourvehicle withtheSmartK eyinthe ignition lock. There
isinterf erence fromapowerful sourceofradio waves.
X Start yourvehicle withtheSmartK eyinthe ignition lock. You
have lostaSmart-
Key. X
Have theSmartK eydeactivated ataq ualified specialist work-
shop.
X Report theloss immediately tothe vehicle insurers.
X Ifnecessary, havethelocks changed aswell. You
have lostthe
mechanical key. X
Report theloss immediately tothe vehicle insurers.
X Ifnecessary, havethelocks changed aswell. The
side windows can-
not beopened orclosed
using theconven ience
opening/c losingfea-
ture. The
SmartK eybattery isdischarged ornearly discharged.
X Check theSmartK eybattery (Ypage 69)and replace itifneces-
sary (Ypage 69). Doo
rs Import
antsafety notes G
WARNING
If children areleft unsupervised inthe vehi-
cle, they could:
R operate thevehicle's equipment Additionally,
childrencouldsetthe vehicle in
motion if,for example, they:
R release theparking brake
R shift theautomatic transmission outof
park position 005D
R start theengine
There isar isk ofan accident andinjury. Doo
rs
71Opening andclosing
Z

one
ofthe front sidewindows duringtheclos-
ing process, theside window opensagain
automatically. Duringthemanual closingproc-
ess, theside window onlyopens againauto-
matically afterthecorrespon dingswitch is
released. However, theautomatic reversing
feature isonly anaid and does notrelieve you
of the responsibility ofpaying attentionwhen
closing aside window. G
WARNING
The reversing featuredoesnotrespond:
R to soft, lightandthin object s,e.g. fingers
R over thelast 1/6 in(4 mm) ofthe closing
movement
R while adjusting
R when closing theside window againman-
ually immediately afterautomatic revers-
ing
This means thatthereversing featurecan-
not prevent someone beingtrapped inthese
situations. Thereisar isk ofinjury.
Make surethatnobody parts areinclose
proximity duringtheclosing procedure. If
someone becomestrapped,pressthe
switch toopen theside window again. Opening
andclosi ngthe side win-
dows inthe front
The switches forthe front sidewindows are
located onthe driver's door.There isalso a
switch forthe front -passenger sidewindow on
the front -passenger door.
The switches onthe driver's doortakeprece-
dence. 0043
Left
0044 Right
X Turn theSmart Keytoposition 0047or0048 in
the ignition lock.
X To open manua lly:press andhold thecor-
responding switch.
X To open fully: press theswitch beyond the
pressure pointandrelease it.
Automat icoperation isstart ed.
X To close manua lly:pull thecorrespon ding
switch andhold it.
X To close fully:pulltheswitch beyond the
pressure pointandrelease it.
Automat icoperation isstart ed.
X To interr uptautom aticoperat ion:press
or pull thecorrespon dingswitch again.
You cancont inue tooperate theside windows
after youswitch offthe engine. Thisfunct ionis
availa bleforuptofive minutes oruntil the
driver's orfront -passenger doorisopened. Opening
andclosin gallside win-
dows
Using theswitch onthe center con-
sole G
WARNING
While opening theside windows, bodyparts
in the closing areacould become trapped.
There isar isk ofinjury.
Make surethatnobody parts areinclose
proximity duringtheclosing procedure. If
somebody becomestrapped,releasethe
switch orpress theswitch downtoopen the
side window again. 76
Side
window sOpening andclosing

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

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