2020 MERCEDES-BENZ SLC sensor

Important
safetynotes.................. 258
Jump starting .................................2 61
Overvi ew....... ................................. 258
Rep lacing .......................................261
Belt
see Seat belts
Belt warni ng....... .................................. 42
Blin dSpot Assist
Activating/d eactivating .................176
Displ aymessa ge....... ..................... 199
Notes/fu nction..............................164
Blueto oth®
Searchi ngfor am obilephone ........222
Searchi ngfor am obilephone
(de vice mana ger)........................... 223
see also Digita lOpera tor's Man-
ua l....... ....... ....... .............................218
Tel epho ny....... ....... ........................222
Brake AssistSyste m
see BAS (Brake AssistSystem)
Brake fluid
Displ aymessa ge....... ..................... 189
Notes .............. ...............................302
Brake forcedistributi on
see EBD (electronic brakeforce
dis tribu tion)
Brake lamps
Adap tive....... ....................................60
Dis play mes sage ............ ................194
Brake s
ABS ............ ........................ ..............57
Ada ptive Bra keAssi st............ .......... 59
BAS ............ ............ ..........................57
Bra kefluid(no tes)............ ............ .302
Displ aymessa ge....... ..................... 184
EBD .............. ....................................63
High -perfo rmance brakesystem ....141
Impo rtant safety notes ............ ......139
Mai ntenance .................................. 140
Pa rking brake............ ....................135
Ri ding tips............ ............ ..............139
Wa rning lamp ............ .....................211
Breakdo wnassi stanc e
Re flective safety jacket ............ ......252
Whe rewillIf ind...? ............ ............ 252
see Flattire
see Towingaway Brightn
esscontrol (instrumen t
cl uster lightin g)........... ........................32
Bulbs
see Repla cing bulbs C
Cal ifornia
Impo rtant notice forreta ilcus-
tomers andlessee s........... ........... ....24
Cal ling up am alfun ction
see Disp laym essages
Car
see Vehi cle
Care
Carw ash. .......... ........... ..................247
Exhau stpip e........... ........... ............251
Exterior lights ....... ......................... 250
Matte finish................................... 249
Notes .............................................246
Pai nt....... ....................................... 248
Pow erwa sher ................................248
Rea rview camera .......................... 251
Sensors ......................................... 251
Was hing byhand ........................... 247
Whee ls....... ....................................250
Windo ws....... ................................. 250
Wip erbla des ....... ........................... 250
CD
see also Digita lOpera tor's Man-
ua l....... ....... ....................................218
CD player (on-bo ardcomputer) ........174
Ce nter conso le
Lowe rsection .................................. 35
Uppe rsection .................................. 34
Ce ntral locking
Automa ticlocking (on-board
compu ter)....... ...............................179
Locking/u nlocking(SmartKe y)....... .66
Cha nging bulbs
Sid em arkerlamps (rear)...... ......... 103
Child
Rest raintsyst em .............................. 55
Child seat
For ward- facing restraint system...... 56
On thef ront-pa sse nger seat ............ 56
Rearwar d-facin grestraint system.... 56 6
Index

Protecting
theenvironment General
notes H
Environmental
note
Daimler's declaredpolicyisone ofcompre-
hensive environm entalprotect ion.
The object ivesareforthe natural resources
that form thebasis ofour existen ceon this
planet tobe used sparingly andinam anner
that takes therequirements ofboth nature
and humanity intoaccount.
You toocan help toprotect theenvironm ent
by operating yourvehicle inan environm en-
tally responsible manner.
Fuel consumpt ionand therate ofengine,
transm ission,brakeandtirewear areaffec-
ted bythese factors:
R operating conditionsofyour vehicle
R your personal drivingstyle
You caninfluence bothfactors. Youshould
bear thefollowing inmind:
Operating conditions:
R avoid shorttripsasthese increase fuel
consumpt ion.
R alwa ysmake surethatthetire pressures
are correct .
R do not carry anyunnecessary weight.
R remove roofracks onceyounolonger
need them.
R ar egularly serviced vehiclewillcont ribute
to environm entalprotect ion.You should
therefore adheretothe service intervals.
R alwa yshave service workcarried outata
quali fiedspecialist workshop.
Personal drivingstyle:
R do not depress theaccelerator pedal
when startin gthe engine.
R do not warm upthe engine whenthevehi-
cle isstationary.
R drive carefully andmaintain asafe dis-
tance fromthevehicle infront .
R avoid frequent, suddenacceleration and
braking. R
change gearingood timeanduseeach
gear onlyupto00C3 ofits maximum engine
speed.
R switch offthe engine instationary traffic.
R keep aneye onthe vehicle's fuelcon-
sumption. Environmental
concerns andrecom-
mendat ions
Wherever theoperating instructionsrequire
you todispose ofmaterials, firsttrytoregen-
erate orre-use them.Observe therelevant
environm entalrulesandregulations whendis-
posing ofmaterials. Inthis way youwillhelp to
protect theenvironm ent. Genuine
Mercedes-Benz parts H
Environmental
note
Daimler AGalso supplie srecondit ioned
major assemblies andparts which areofthe
same qualityas new parts. Theyarecovered
by the same Limited Warranty entitlements
as new parts.
! Air
bags andEmergen cyTensioning Devi-
ces, aswell ascont rolunits andsensors for
these restraint systems, maybeinstalled in
the following areasofyour vehicle:
R doors
R door pillars
R door sills
R seats
R cock pit
R instrumen tcluster
R cent erconsole
Do not install accessories suchasaudio sys-
tems inthese areas. Donot carry out
repairs orwelding. Youcould impair the
operating efficiency ofthe restraint sys-
tems.
Have aftermark etaccessories installedata
quali fiedspecialist workshop.
You could jeopardize theoperating safetyof
your vehicle ifyou useparts, tiresandwheels
as well asaccessories relevanttosafety which Genuine
Mercedes-Benz parts
23Introdu ction Z

G
WARNING
If BAS ismalfu nctioning, thebraki ngdis-
tance inan emerge ncybraki ngsitua tionis
increas ed.There isar isk ofan accide nt.
In an emerge ncybraki ngsitua tion, depre ss
the brake pedalwith full force. ABSprevents
the whee lsfrom locking.
Braking X
Keep thebrake pedalfirmly depre sseduntil
the emerge ncybraki ngsitua tionisover.
ABS prevents thewhee lsfrom locking.
The brakes willfunction asusu alonce you
rele ase thebrake pedal.BAS isdea ctivated. Ac
tive Brake Assist
Gene ralinfo rmation i
Observe
the"Impo rtantsafety notes" sec-
tion (Ypag e57).
Active BrakeAssist consists ofad ista nce
war ning function withanautonomous braking
function andAdapti veBrake Assist.
Active BrakeAssist canhelp youtominimi ze
the risk ofac ollision with thevehicl einf ront
or redu cethe effects ofsuch acollision.
If Active BrakeAssist detects thatthere isa
risk ofcolli sion, youwillbew arned visually
and acou stical ly.I fy ou do not react tothe vis-
ua lcolli sion warning orthe warning tone,
au tonomous brakingcan beinitia tedincritical
situa tions. Ifyou applythe brake yourself ina
critical situation, Adapti veBrake Assist ofthe
Active BrakeAssist system supports you.
Important safetynotes In
particu lar,the detection ofobstacl escan be
impa iredif:
R there isdirt onthe sensors oranythi ngelse
covering thesensors
R there issnow orhea vyrain
R there isinterference byother radarsource s
R there arestrong radarreflectio ns,forexam-
ple inparki nggara ges
R an arrow vehicleist raveli nginfront, e.g.a
motorbike R
av ehicl eist raveli nginfront onadiffer ent
line
R you aredrivi nganew vehicl eorservici ngon
the Active BrakeAssist system hasjust
been carrie dout
Observe theimporta ntsafety notesinthe
"Brea king-in notes"section (Ypag e117).
Follo wing dama getothe front endofthe vehi-
cle, have theconfigu rationandopera tionof
the rada rsensor checked ataq ualified spe-
cial istworksho p.This alsoa ppliest oc ollisions
at slow speedswhere thereisno visib ledam-
age tothe front ofthe vehicl e.
Ac tivating /deactivating Active
BrakeAssist isau tomatical lyactive
after switching onthe ignitio n.
You canactiva teor dea ctivate ActiveBrake
Assist using the on-board computer
(Y pag e176) .When deactivated, thedista nce
war ning function andtheautonomous braking
function arealsod eactivated.
If Active BrakeAssist isdea ctivated, the00D4
symb olapp ears inthe assi stance graphicdis-
pla y.
Di stance warningfunctio n Gene
ralinfo rmation
The dista ncewarni ngfunction canhelp youto
minimi zethe risk ofafront-end collision with a
vehicl eahea dorredu cethe effects ofsuch a
colli sion. Ifthe dista ncewarni ngfunction
detects thatthere isar isk ofac ollision, you
wil lbew arne dvisuallya nd acou stical ly.
Important safetynotes
i Observe
the"Impo rtantsafety notes" sec-
tion fordrivi ngsafety systems (Ypag e57). G
WARNING
The dista ncewarni ngfunction doesnot
react:
R to peop leor anima ls
R to oncoming vehicles
R to crossing traffic
R when cornering 58
Drivi
ngsafety systemsSafety

The
distance warningfunctionmay notgive
warnings inall critic alsituations. Thereisa
risk ofan accident .
Always paycareful attentiontothe traff ic
situation andbeready tobrake.
Always adaptyourspeed tosuit theprevail-
ing road andtrafficcondit ions. G
WARNIN
G
The distance warningfunctioncann ot
alway sclearly identify objectsand complex
traff icsituations.
In such cases, thedistance warningfunction
may:
R give anunnec essary warning
R not give awarning
There isar isk ofan accident .
Always paycareful attentiontothe traff ic
situation anddonot rely solely onthe dis-
tanc ewarning function.
Function Start ingatas peed ofapproximately 4mph
(7 km/ h),the distance warningfunctionwarns
you ifyou rapidly approach avehicle infront .
An inter mittentwarning tonew illthen sound,
and the00BA distance warninglampwilllight
up inthe instr ument cluster.
X Brake immediately inorder toincrease the
distance fromthevehicle infront .
or X Take evasive action,provided itis safe todo
so.
Due tothe nature ofthe system, particularly
complicated butnon- critic aldriving conditions
may alsocause thesystem todisplay awarn-
ing.
With thehelp ofthe radar sensor system, the
distance warningfunctioncan detect obsta-
cles thatareinthe path ofyour vehicle foran
exten dedperiod oftime.
Up toas peed ofapproximately 44mph
(70 km/ h),the distance warningfunctioncan
also react tostation aryobstacles, suchas
stopped orparked vehicles. Autonomous
brakingfunction If
the driver doesnotreact tothe distance
warning signalinac ritic alsituation, Active
Brake Assist canassist withtheautonomous
braking function.
If the autonomous brakingfunctionrequires a
particularly highbraking force,prevent ative
passenger protectionmeasures (PRE-SAFE®
)
are activated simultaneously.
Vehicles withoutActiveDistance Assist
DISTRONIC: theautonomous brakingfunction
is availab lein the following speedranges:
R 4-6 5mph(7-105 km/ h)for moving
objects
R 4-3 1mph(7-50k m/h )for stationa ry
objects
Vehic leswith Active Distance Assist
DI STRONIC: theautonomous brakingfunction
is ava ilable inthe followi ngspee dranges :
R 4-1 24mph (7-200 km/h )for moving
objects
R 4-3 1mph(7-50k m/h )for stationa ry
objects
Due tothe nature ofthe system ,parti cula rly
compli catedbutnon-critical drivingconditio ns
may alsoc aus ethe autonomous brakingfunc-
tion tointervene.
If the autonomous brakingfunction requiresa
parti cularlyhigh braki ngforce, preventa tive
pas senger protection measures(PRE-SAFE ®
)
are activa tedsimu ltaneo usly(Ypag e53).
Adaptive BrakeAssist Gene
ralinfo rmation
i Observ
ethe "Imp ortant safetynotes" sec-
tion (Ypag e57).
With thehelp ofAdapti veBrake Assist, thedis-
tance warning signalcan detect obstaclesthat
are inthe path ofyou rvehicl efor an extended
peri odoftime.
If Adapti veBrake Assist detects arisk ofcolli -
sion with thevehicl einf ront, itcalcu latesthe
braki ngforce necessa ryto avoi dac ollision. If
you applythe brakes forcefully,A dapti ve
Brake Assist willautomatica llyincreas ethe
braki ngforce toaleve lsuitabl efor the traffic
conditio ns.
Adapti veBrake Assist providesbraki ngassi s-
tance inhaza rdoussitua tions atspee dsabo ve Driv
ingsafety systems
59Safety Z

4m
ph(7km/h) .Itu sesr ada rsensor technol-
ogy toasse ssthe traffic situation.
Up toas pee dofapp roxima tely155 mph
(250 km/h) ,Adap tive Brake Assist iscapa ble
of reacti ngtomoving objects thathave
al read ybeend etected assuch atlea stonce
over theperiodofobse rvatio n.
Up toas pee dofapp roxima tely44mph
(70 km/h) ,Adap tive Brake Assist reacts to
stationa ryobsta cles.
If Adap tiveBrake Assist demandsparti cularly
high braki ngforce, preventative passenger
protectio nmeasures (PRE-SAFE ®
)a re activa -
ted simu ltaneo usly(Ypag e53).
X Keep thebrake pedaldep resse duntil the
emerg encybrakingsitua tionisover.
ABS preve ntsthe whe elsfrom locking.
The brake swillw ork normal lyaga inif:
R you release thebrake pedal
R there isno longe rany dange rofac ollision
R no obsta cleisdetected infront ofyou rvehi -
cle
Adap tiveBrake Assist isthen deactivated .
Important safetynotes G
WARNING
Adap tiveBrake Assist cannot alwa ysclea rly
ide ntify objects andcompl extraffic situa-
tions.
In such cases ,Adap tive Brake Assist can:
R intervene unnecessarily
R not intervene
There isar isk ofan accid ent.
Alwa yspay carefu lattention tothe traffic
situa tionandberead ytob rake .Termi nate
the interventio nina non-critical drivingsit-
ua tion. G
WARNING
Adap tiveBrake Assist doesnotreact:
R to peop leor anima ls
R to oncoming vehicles
R to crossi ngtraffic
R whe ncornering As
aresu lt,the Adap tiveBrake Assist may
not intervene inallc ritica lconditio ns.There
is ar isk ofan accid ent.
Alwa yspay carefu lattention tothe traffic
situa tionandberead ytob rake .
Alwa ysada ptyou rspee dtos uitt he preva il-
ing road andtraffic conditio ns.
Due tothe nature ofthe system, particularly
compl icated butnon-critical drivingconditio ns
may also cau seAdap tiveBrake Assist tointer-
vene.
If Adap tiveBrake Assist isnot available due to
am alfunction inthe rada rsensor system, the
brake system remai nsava ilable with fullbrake
boos tingeffect andBAS. Adaptive
brakelights
i Obse
rvethe "Imp ortant safetynotes" sec-
tion (Ypag e57).
If you brake sharplyfrom aspee dofm ore than
50 km/h orifbraki ngisassi sted byBAS or
Brake Assist withCross-Traffi cAssist, the
brake lamps flash rapi dly.Int his way,traffic
travel ingbehi ndyou iswa rned inan even
more noticea blemanner.
If you brake sharplyfrom aspee dofm ore than
70 km/h toas tandsti ll,the haza rdwa rning
la mps areactiva tedautomatica lly.Ift he
brake sareapp lieda gain, the brake lamps light
up continuou sly.The haza rdwa rning lamps
swi tch offautomatica llyifyou travel faster
than 10km/h. Youcanalso swi tch offthe
haza rdwa rning lamps using the haza rdwa rn-
ing button (Ypag e99). ESP
®
(E lec tronic StabilityProgram)
Gene ralnote s i
Obse
rvethe "Imp ortant safetynotes" sec-
tion (Ypag e57).
ESP ®
monitors drivingstabi lityand traction,
i.e. pow ertransmis sionbetwe enthe tires and
the road surface.
If ESP ®
detects thatthevehi cleisdevi ating
from thedirection desiredbythe drive r,one or
more wheelsare brake dtos tabi lize thevehi -
cle. The engine outputisa lsom odified tokeep 60
Driv
ingsafety systemsSafety

Locking/u
nlockingcentr ally You
canstart ,loc ko runlo ckthev ehicle usin g
KE YLE SS-GO .Tod othis, you onlyneedc arry
th eS martKey with you.Youcancom bine the
fun ction sofKEYLESS -GO with those ofac on-
ven tional SmartKey. Unloc kthe veh icle by
usin gKEYLESS -GO ,for ins tan ce, and lockit
usin gthe 0037 buttonontheS martKey.
The driver'sd oor and thed oor atwhic hthe
han dleisused, mustbothbeclosed. The
Sm artKey must beouts idethev ehicle .When
loc kin go runlo cking with KEYLE SS-GO ,the
dist ancebetween thek eyand thec orres pon d-
ing door handlemust notbegreat erthan 3ft
(1 m).
Ac heck whic hperio dicall yestablishe saradio
con nectionb etween thev ehicle and the
Sm artKey determ inesw hether avalid Smart-
Key isin thev ehicle .This occ urs, forexam ple:
R when start ing thee ngine
R while driving
R when thee xtern aldoor handles aretouche d X
To unlock thev ehicl e:touch thei nn er sur-
fac eo fthe door handle.
X To lock thev ehicl e:touch sensor sur-
fac e0043 or0044.
Mak esure that you donot touch thei nn er
surf ace ofthed oor handle.
X Convenien ceclosing feature: touch
rec esse dsensor surf ace 0044for anext end ed
perio d.
Fur ther inform ationonthe con venience
clo singfeat ure (Ypage 77).
Deact ivatingand activat ing If
you donot intend touse aSmartKey foran
ext end edperio doftim e,you can deac tivate
th eK EYLESS -GO function ofthek ey. The Sm
artKey willthen use verylittle power ,
th ereb yconser vingb attery power .For thep ur-
poses ofact ivat ion/de activat ion,the veh icle
must notbenear by.
X To dea ctiv ate: pres sthe 0037 buttonon
th eS martKey twiceinr apid successio n.
The batterychecklamp (Ypage 69)ofthe
Sm artKey flash estwic ebrief lyand light sup
onc e,then KEYLE SS-GO isdeac tivated .
X To act ivat e:pres sany butt onontheS mart-
Key.
or X Inser tthe Sm artKey intot he ignitio nlock.
KE YLE SS-GO andallofits assoc iatedfea-
tur es are available again. Cha
nging thes ettings ofthel ocking
syst em
You canchan gethes ettin gs ofthel oc kin g
syst em. This mean sonlyt he driv er'sd oor ,the
lock able stowage compartmen tsinthev ehicle
int erio rand thef uel filler flapareunlo cked
when thev ehicle isunlo cked. This isusef ulif
you frequen tlytravel alone.
X To cha nge thes etting: pressand hold
down the0036 and0037 buttons simult ane-
ously forabout sixsec ond suntilth eb attery
indi catorlamp (Ypage 69)flash estwic e.
If th es ettin go fthe lockin gsyst em ischan ged
with inthes ign alran geofthev ehicle ,pres sing
th e0037 or0036 button:
R lock sor
R unlo ckst he veh icle
The SmartKey now function sasfollo ws:
X To unlock :pres sthe 0036 buttononc e.
X To unlock centrally:pres sthe 0036 button
twic e.
X To lock centr ally:pres sthe 0037 button.
The KEYLE SS-GO function ischan gedasfol-
lows:
X To unlock thed river 'sdoor :to uch the
inn ersurf ace ofthed oor handleonthed riv-
er' sd oor .
X To unlock centrally:to uch thei nn er sur-
fac eo fthe driv eror fro nt-pas senger door
han dle.
X To lock centr ally:to uch theo uter sen sor
surf ace onone ofthed oor handles. Sm
artKey
67Openingand closing Z

You
canusetheswitc honthe cen tercon sole
to close allside windows simultaneously.
X Open thecoverinthe lower centercon sole.
The switc hfor all side windows isunder the
cov er. X
To open allside windows: pressbutton0043
to the point ofresist ance.
X To open allside windows fully:press
switc h0043 beyond thepoint ofresist ance.
X To close allside windows: pullswitc h0043.
All side windows begintheclosin gproc e-
dure simult aneously. Therear side windows
close afterthe fron tside windows.
If, afte ropenin gthe windows, youclose one
side window usingtheswitc hint he door con-
tr ol panel:
R the fron tside window closesfirs ta nd
R the nthe cor respon dingrearside window
close s.
Convenience closingwithKEYLESS-GO G
WARN
ING
When usingtheconvenienc eclosin gfeat ure,
part softhe body could betrapped inthe
closin garea when aside window isbeing
close d.There isar isk ofinjury.
Obser vethe com plete closin gproc edure
when theconvenienc eclosin gfeat ure is
operat ing.Make surethatnobody partsare
in close proximityduring theclosin gproc e-
dure. Proc
eedasfollows ifsomeo neistrapped:
X Release therecessed sensorsurfac eonthe
door handle.
X Imm ediately pulland hold thedoor handle
and keep thedoor handle pulled.
The side windows open.
With KEYLE SS-GO youcan close allside win-
dows simult aneously. TheKEYLE SS-GO key
must beoutsid ethe vehic le.All the doors
must beclose d. X
Touch recessed sensorsurfac e0043 onthe
door handle untilthe side windows arefully
close d.
i Make
sureyouonly touchrecessed sensor
surfac e0043.
X To inter rupt convenience closing:release
rec essed sensorsurfac e0043 onthe door
handle. Reset
tingthes ide windows
If as ide window cannolonge rbec lose dfully,
you must reset it.
X Close allthe doors .
X Turn theSmar tKey toposit ion0047or0048 in
the ignit ionlock .
X Pull thecorrespon dingswitc honthe door
con trol panel untilthe side window iscom -
pletely closed(Ypage 76).
X Hold theswitc hfor an addition alseco nd.
If the side window opensagainslightly:
X Imm ediately pullthecorrespon dingswitc h
on the door control panel untilthe side win-
dow iscom pletely closed(Ypage 76).
X Hold theswitc hfor an addition alseco nd.
If the respec tives ide window remains
close dafterthe butt onisreleased, thenit Side
windows
77Openingandclosing 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