2020 MERCEDES-BENZ SLC sensor

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
corn ering lampmayremain litfor ashort
time, butisautomatically switchedoffafter no
more thanthree minutes.
Cornering lightfunction withtraffic circle
function:
The corn ering lightfunct ionisactivated on
both sides before enteringatraff iccircle
through anevaluation ofthe current GPSposi-
tion ofthe vehicle. Itremains activeuntilafter
the vehicle hasleftthetraff iccircle. Inthis
way, pedestrians crossingthe road, forexam-
ple, areilluminated byyour vehicle ingood
time. Active
lightfunction
The active lightfunct ionisas ystem that
moves theheadlamps accordingtot he steer-
ing movemen tsof the front wheels. Inthis
way, relevant areasremain illuminated while
driving. Thisallows youtorecogn izepedes-
trians, cyclists andanimals sooner.
Active: whenthelights areswitched on.
Vehicles withLane Keeping Assist:the active
light funct ionevaluates thecourse ofthe lane
in which youaredriving andpre-empt ively
cont rolstheactive lightfunct ion. Adapt
iveHighbeam Assist
General notes You
canusethis funct iontoset the headlamps
to change between lowbeam andhigh beam
automatically. Thesystem recognizesvehicles
with their lights on,either approaching from
the opposite direction ortraveling infront of
your vehicle, andconsequent lyswitches the
headlamps fromhighbeam tolow beam.
The system automatically adaptsthelow-beam
headlamp rangedepending onthe distance to
the other vehicle. Oncethesystem nolonger
detect sany other vehicles, itreactivat esthe
high-beam headlamps.
The system's opticalsensorislocated behind
the windshield neartheoverhead control
panel. Import
antsafety notes G
WARNIN
G
Adaptive Highbeam Assistdoesnotrecog-
nize road users:
R who have nolights, e.g.pedestrians
R who have poorlighting, e.g.cyclists
R whose lighting isblocked, e.g.byab arrier
On very rareoccasions ,Adaptive Highbeam
Assist mayfailtorecogn izeother roadusers
that have lights, ormay recogn izethem too
late. Inthis, orinsimilar situations, theauto-
matic high-beam headlamps willnotbe
deactivated orwill beactivated regardless.
There isar isk ofan accident .
Always carefully observethetraff iccondi-
tions andswitch offthe high-beam head-
lamps ingood time.
Adaptive Highbeam Assistcannottake into
account road,weather ortraff iccondit ions.
Adaptive Highbeam Assistisonly anaid. You
are responsible foradjusting thevehicle's
lighting tothe prevailing light,visibility and
traff iccondit ions.
In particular, thedetect ionofobstacles canbe
restr icted ifthere is:
R poor visibility, e.g.due tofog, heavy rainor
snow
R dirt onthe sensors orthe sensors are
obscured
Switching AdaptiveHighbeam Assist
on/off X
To switch on:turn thelight switch to0058.
X Press thecombinat ionswitch beyond the
pressure pointinthe direction ofarrow 0043.
The 00CE indicator lampinthe multifunct ion
display lightsupwhen itis dark andthelight
sensor activates thelow-beam headlamps.
If you aredriving atspeeds aboveapprox-
imately 16mph (25km/ h):
The headlamp rangeisset automatically
depending onthe distance between the
vehicle andother roadusers.
If you aredriving atspeeds aboveapprox-
imately 19mph (30km/ h)and noother
road users havebeen detect ed: 100
Exterior
lightingLightsandwindshield wipers

Do
not useA ctiv eDistance AssistDISTR ONIC:
R In roa dand trafficc ond itions which donot
al lo wy outoma inta inac ons tant spee d, e.g .
in he avyt raffico ronw indi ng roa ds
R on slip pe ry roa dsurfaces .Braking oracc el-
era ting couldcau sethe drive wheelsto lose
tra ctio nand the vehiclec ouldthe nskid
R In po or vis ibility ,e .g.d ue tofog ,heavy rain
or snow
Activ eDistance AssistDISTR ONICm aynot
de tect narrow vehicles drivin ginf ront, e.g.
moto rcycles,or veh icles drivin ginas tagge red
for ma tion.
In partic ular ,the detecti onofobsta clescan be
imp aired if:
R The reisdirt on the sensorsoranythi ng else
cove ringthe sen sors
R The reissnow orheavyr ain
R The reisinte rferenc ebyothe rrad ar sou rces
R The reares trong rada rreflectio ns,forexa m-
pl ei np arkin gg arag es
If Activ eDistance AssistDISTR ONICnolon ger
de tects avehiclei nf ront, Distance Pilot
DISTR ONICm ayune xpected lyacc elera teto
the spee ds tored.
Thi sspeed may:
R Be too high ifyo ua redrivin ginat urning
la ne oran exitlan e
R Be sohigh when drivin gint he right-ha nd
la ne tha tyou ove rtake veh icles inthe left-
ha nd lane
R Be sohigh inthe left lane tha tyou pass
veh icles drivin go nthe right
If the reisac hange ofdri ver s,ad vis ethe new
dri ver ofthe spee ds tored. Cru
isec ontro llev er Cr
uise contr ollever
0043 Tostor ethe cur rent spee do rah ighe r
sp ee d
0044 Toset aspecifie dm inimu md ista nce
0087 Tostor ethe cur rent spee do rcallu pt he
la st stor edspee d
0085 Tostor ethe cur rent spee do ral ower
sp ee d
0083 Todeacti vate Activ eDistance Assist
DISTR ONIC
Ac tiv atin gActiveD istan ceAssist
DI STRO NICand storing,main taining
and callin gu pas peed Impo
rtant safety notes
! Wh
enActiv eDistance AssistDISTR ONIC
or the HOLD functio nisa ctivated ,the veh i-
cle brakes automa ticallyi nc erta insitua -
tio ns.
To avoidd amaget ot he veh icle, de acti vate
Activ eDistance AssistDISTR ONICandthe
HOLD functio nint he followi ng orsimil arsit-
ua tio ns:
R wh en tow ingthe vehicle
R in the carwash
To acti vate Activ eDistance AssistDISTR ONIC,
the followi ng cond itions mustbe fulfilled :
R the enginemustbe started .Itm aytake up
to two minutesofdrivin gb efor eA ctiv eDis-
tance AssistDISTR ONICisready for use.
R the electri cparkin gb rake mu stbe released .
R ESP ®
mu stbe acti ve,butn ot inte rvening .
R Activ eParkin gA ssistmu stnot beacti vated .
R the transmi ssion mu stbe inpo sitio n005B. 14
6 Dr
ivi ng system sDrivi ng andp arki ng

Parking
AssistPARKTRONIC
Import antsafety notes Parking
AssistPARKTRONIC isan electron ic
parking aidwith ultrasound. Itmonitor sthe
area around yourvehicle usingsixsensors in
the front bumper andfour sensors inthe rear
bumper. ParkingAssistPARKTRONIC visually
and audib lyindicates thedistance between
your vehicle andanobject .
Parking AssistPARKTRONIC isonly anaid. Itis
not areplacement foryour atten tiontoyour
immediate surroundings. Youarealwa ys
responsible forsafe maneuvering, parkingand
exiting aparking space. Makesurethatthere
are nopersons, animalsorobject sint he
maneuvering areawhen youaremaneuvering
or parking.
! When
parking, payparticular attentionto
object sabove orbelow thesensors, suchas
flower potsortrailer drawbars.
PARKTRONIC doesnotdetect suchobject s
when theyareinthe immediate vicinityof
the vehicle. Youcould damage thevehicle
or the object s.
The sensors maynotdetect snowandother
object sthat absorb ultrasonic waves.
Ultrasonic sourcessuchasan automatic car
wash, thecompressed-air brakesonatruck
or ap neumatic drillcould cause
PARKTRONIC tomalfunction .
PARKTRONIC maynotfunct ioncorrect lyon
uneven terrain.
Parking AssistPARKTRONIC isactivated auto-
matically whenyou:
R switch onthe ignition
R shift thetransm issiontoposition 005B,005Eor
005C
R release theelectric parking brake
Parking AssistPARKTRONIC isdeactivated at
speeds above11mph (18km/h). Itis reacti-
vated atlower speeds. Range
ofthe sensors General
notes
Parking AssistPARKTRONIC doesnottake into
account obstacles located:
R below thedetect ionrange, suchaspersons,
animals orobject s
R above thedetect ionrange, e.g.overhanging
loads, tailsection sorloading rampsof
truck s 0043
Sensors inthe front bumper, left-hand side
(example)
The sensors mustbefree from dirt,iceor
slush. Theycanotherwise notfunct ioncor-
rectly. Cleanthesensors regularly ,taking care
not toscratc hordamage them(Ypage 251).
Range 154
Driving
systemsDriving andparking

Front
sensors Ce
nter Appro
x.40 in(appr ox.
100 cm) Co
rners Appro
x.24 in(appr ox.
60 cm) Re
ar senso rs Ce
nter Appro
x.48 in(appr ox.
120 cm) Co
rners Appro
x.32 in(appr ox.
80 cm) Mini
mum distance Ce
nter Appro
x.8i n( approx.
20 cm) Co
rners Appro
x.6i n( approx.
15 cm) If
there isan obs tacl ewithin this rang e,the
rel eva ntwa rning displa yslight upand awarn-
ing tone sounds. Ifthe distance fallsbel ow the
mini mum, thedistance maynolong erbe
show n. Warnin
gdispl ays Wa
rning displa yfor the front area
0043 Segme ntsonthe left-hand sideo fthe vehi -
cle
0044 Segme ntsonthe right-ha ndsideo fthe
vehi cle
0087 Ope rational readine ssseg ments
The warning displa ysshow thedistance
betw eenthesenso rsand theobstacl e.The
wa rning displa yfor the front areaisloca ted on
the dashb oard above thecenter airv ents. The
wa rning displa yfor the rearareai sloca ted
betw eentherollbars.
The warning displa yfor each sideo fthe vehi -
cle isdiv ide dinto five yellow and tworedseg-
ments. Ifye llow ope rational readine ssseg -
ments 0087light up,P arking AssistPARK TRONIC
is ope rational .
The selected transmi ssion pos itionand the
dir ectio ninw hich the vehi cleisrol ling dete r-
mine whichwarning displa yisa ctive whe nthe
engi neisrunni ng.
Automa tictransmi ssion: Transmi
ssion posi -
tion Warnin
gdispl ay 005B
Front
areaactive 005E,
005Corthe vehi -
cle isrol ling back-
wa rds Re
ar and front areas
acti ve 005D
No
areasacti ve One
ormore segments light upasthe vehi cle
ap proa ches anobs tacl e,dep endi ngon the
vehi cle'sdistance fromtheobstacl e.In addi-
tion, warning tones areissued.
Whe nthe distance tothe obstacl eiss uffici ent,
yo uw illh eara nintermi ttentwarning tone. The Dri
vin gsystems
155Drivin gand parking Z

Problems
withParking AssistPARKTRONIC Problem
Possible
causes/co nsequences and0050 0050
Solutions Only
thered segments
in the Parking Assist
PARKTRONIC warning
display sarelit. You also
hear awarning tonefor
approximately twosec-
onds.
Parking Assist
PARKTRONIC isdeacti-
vated afterapprox-
imately 20seconds and
the indicator lampin
the Parking Assist
PARKTRONIC button
lights up. Parking
AssistPARKTRONIC hasmalfunction edand hasbeen deac-
tivated.
X Ifproblems persist,haveParking AssistPARKTRONIC checkedat
aq uali fied specialist workshop. Only
thered segments
in the Parking Assist
PARKTRONIC warning
display sarelit. Parking
Assist PARKTRONIC is
deactivated after
approximately fivesec-
onds. The
Parking AssistPARKTRONIC sensorsaredirty orthere isinter-
ferenc e.
X Clean theParking AssistPARKTRONIC sensors(Ypage 251).
X Switch theignition backon. The
problem maybecaused byan extern alsource ofradio orultra-
sound waves.
X Check tosee ifParking AssistPARKTRONIC worksatad ifferent
location. Parking
Guidance
Import antsafety notes Parking
Guidanceisan electron icparking aid
with ultrasound. Ultrasoundisused tomeas-
ure theroad onboth sides ofthe vehicle. A
suitable parkingspaceisindicated bythe
parking symbol. Youreceive steering instruc-
tions when parking. Youcanalso stilluse
Parking AssistPARKTRONIC (Ypage 154).
Parking Guidanceisonly anaid. Itis not a
replacement foryour atten tiontoyour immedi-
ate surroundings. Youarealwa ysresponsible
for safe maneuvering, parkingandexiting a
parking space.Makesurethatthere areno
persons, animalsorobject sint he maneuver-
ing area when youaremaneuvering orparking. G
WARNING
If object sarelocated abovethedetect ion
range, Parking Guidancemay provide steer- ing
instruct ionstoosoon. Youmay cause a
collision asaresult. There isar isk ofan
accident.
If object sarelocated abovethedetect ion
range, stopandswitch offParking Assist.
! If
they cannot beavoided, driveover
obstacles suchascurbs slowly andatan
obtuse angle.Otherwise, youmay damage
the wheels ortires.
When Parking AssistPARKTRONIC isswitched
off, Parking Guidanceisalso unavaila ble.
Parking Guidancemay alsodisplay spaces not
suitable forparking, e.g.:
R where parking orstopping isprohibited
R in front ofdriveways orentr ances andexits
R on unsuitable surfaces Driving
systems
157Drivingandparking Z

Imp
ortant safety notes G
WAR
NING
Blin dSpotA ssist does notreac tto:
R veh iclesovertake ntoo closely onthes ide ,
plac ingthem intheb linds pot area
R veh icleswhicha ppr oac hwithal arge
spee ddiffere ntial and overtake your vehi-
cle
As aresult, BlindSpotA ssist may notg ive
warn ingsins uchs ituati ons.Ther eisar isk
of an acc iden t.
Alw ays obse rvet he traff icco nd ition sc are-
fully, andmain tainas afelateral distance.
Blin dSpotA ssist ison lyan aid. Itmay failto
det ect som evehicle sand isno subs titute for
att entived riving .Always ensure that there is
suff icientdist ancetot he side forother road
user sand obst acles.
i US
Ao nly:
This devicehas been approvedbythe FCC
as a"Veh icula rRadar System". The radar
sen sor isint ended foruse inan auto motive
radar systemonly. Remo ving,tam pering
wit h,or alterin gthe dev icewill void anywar-
ran ties,and isno tp ermit tedb ythe FCC. Do
no ttam per with,alt er, oruse inany non-
appr ovedway.
An yu naut horizedm odific ation tothis dev ice
co uld void theu ser ’sauth oritytoo per ate
th ee quipm ent.
Ra dars ensor s
The radar sensorsfor Blin dSpotA ssist are
int egr atedintot he rear bump er.Mak esure
th at theb ump ersare free from dirt,ice or
slush .The sen sorsm ust notb ec overed, for
ex ample bycyc lerac ksorove rhan gingloads .
Fol lowin gasevere impac torint he eve ntof
damag etot he bump ers,have thef unction of
th er adar sensorschecked ataq ualif iedspe-
cial istwork shop.Blin dSpotA ssist may nolon-
ger work properly. Moni
toring range ofthes ensor s
In part icula r,thed etect ion ofobst aclescan be
impai redif:
R there isdirt onthes ensor soranyt hingelse
co ver ing thes ensor s
R there ispoor visibilit y,e.g. due tofog ,heav y
rain ,sno wo rspray
R there arenarrow vehicles,e.g. mot orcycle s
or bic ycle s
R ther oad hasveryw ide lane s
R ther oad hasnarrow lanes
R you arenotd riving inthem iddleof thel ane
R there arebarr iers orother road boundarie s
Veh iclesint he mon itorin gr ange are then not
ind icat ed. Blin
dSpotA ssist mon itorsthea rea upto10 ft
(3. 0m )behi nd your vehicle and directly ne xt
to your vehicle,ass hown inthed iagr am. For
th is purp ose, BlindSpotA ssist uses radar sen-
sor sint he rear bump er.
If th el ane sarenar row, vehiclesdriving inthe
lane beyon dthe lane next to your vehicle may
be indicat ed, espe ciallyifth ev ehicle sarenot
driv inginthem iddleof their lane .This may be
th ec asei fthe re are vehiclesdriving atthe
inn eredge oftheir lane s.
Due tothen ature ofthes yst em:
R warn ingsm aybe issue dine rror when driv-
ing closetocrash barriers orsim ilar solid
lane borders.
R warn ingsm aybe interr upt edwhen driving
alon gsidelon gv ehicle s,e.g. truck s,for a
pro longed time. Driv
ingsyst ems
165Drivingand parki ng Z

Imp
ortant safety notes G
WAR
NING
If you oper ateinform ation syst ems andcom-
mun ication equipm entint egr atedint he
veh iclew hen driving,you may bedist racted
fr om thet raffic sit uati on.Y ou could also
lose control ofthev ehicle. Ther eisar isko f
an acc iden t.
On lyoper atethis equipm entw hen thet raffic
sit uati onper mits.Ifyou arenotsuret hat
th is ispos sible ,park thev ehiclep ayin g
att ention totraff icco nd ition sand oper ate
th ee quipm entw hen thev ehiclei ss tation -
ary.
You must observethe legal require men tsfor
th ec ountry inwhic hyou are curren tlyd riving
when operating theo n-bo ard comput er. G
WAR
NING
If th ei nstrumen tclus terh as faile dorm al-
fun ction ed, you may notrec ogn izefunction
res trict ion sins ystems relevanttos afet y.
The oper ating safetyo fyour vehiclem aybe
impa ired.Ther eisar isko fana cciden t.
Dr ive oncar eful ly.Hav ethe veh iclec hecked
at aq ualif iedspec ialist workshop immedi-
ate ly.
The on-board comput eronlysho wsmes sage s
or warn ingsfromc ertai ns ystems inthem ulti-
fun ction disp lay.You should there forem ake
sur eyour vehiclei so per ating safely atall
ti mes .
If th eo per ating safetyo fyour vehiclei s
impa ired,pull ove rass oona sitiss afet od o
so. Con tactaq ualifiedspec ialist workshop.
Fo ra no verview, seethei nstrumen tpanel
illust ration (Ypage 32). Disp
laysand oper ation Inst
rumen tclus ter ligh ting
The lighting inthei nstrumen tclus ter, in the
disp lays andthec ontro lsin thev ehiclei nteri or
can beadjust edusin gthe brig htne ss control
kn ob. The
brightne ss control knob isloc ate donthe
bot toml efto fthe instrumen tclus ter
(Y page 32).
X Turn theb rightne ss control knob clockwise
or count er-clo ckwise.
If you turnthe ligh tswit ch (Ypage 97)to
th e0058, 0060or0058 position ,the brig ht-
ne ss will depe ndupon theb rightne ss ofthe
ambi entligh t.
The lightsensor inthei nstrumen tclus ter
auto maticallyco ntrol sthe brig htne ss ofthe
mult ifunction disp lay.Indayligh t,th ed is-
plays inthei nstrumen tclus tera re notillu-
min ated. Sp
eedom eterwith segm ents
The segmen tsinthes pee dom eter ind icat e
whic hspee drange isavaila ble.
R Cruis econtro lactivat ed(Ypage 142):
The segmen tsligh tupfromt hestore d
spee dtothe max imum speed.
R Ac tive Distanc eAssist DIST RONI Cactivat ed
(Y page 144):
On eo rtwo segmen tsinthes etspee drange
ligh tup.
R Ac tive Distanc eAssist DIST RONI Cdetec ts a
veh iclei nf ront mov ingmor eslow lythan the
st ore dspee d:
The segmen tsbet ween thes pee dofthe
veh iclei nf ront and thes toreds pee dligh t
up. Ta
chom eter
! Do
notd riveint he ove rrevv ing range, as
th is co uld damag ethe engin e.
The redbandint he tac hom eter ind icat esthe
en gin e's overrevv ing range.
The fuel suppl yisinterr upt edtopro tect the
en gin ew hen ther ed ban disr eac hed. Out
sidetem per atur ed ispla y
You should pay spec ialattention toroad con-
dit ion sw hen tempe ratures arearoun dfreez ing
poin t. 168
Disp
laysand oper ationOn- boar dcomp uter and displa ys