warning MERCEDES-BENZ SLC 2020 Manual Online

Warning/
indic ator
lamp 00510051
Sign altype
Poss iblec ause s/cons equen cesand 0050 0050
Sol utions 00AC
0051
The redcoola ntwar ning lamp comes onwhi lethe engine isrunning.
The coola ntleve list oo low .
If the coola ntleve lisc orrect, theairflowtothe engine radiator may beblocked
or the electric engineradiator fanmay bedefective .
The coola ntistoo hotand theengine isno longer being coole dsuffi ciently .
X Observe theadditiona ldisp lay messa gesinthe multi function display.
X Pul lover and stop thevehicl esafel yand swi tch offthe engine, paying atten-
tion toroad andtraffic conditions.
X Secure thevehicl eagainst rolling awa y(Ypag e134).
X Leave thevehicl eand keep asafe dista ncefrom thevehicl euntil the engine
has coole ddown.
X Che ckthe coola ntleve land add coola nt,obser vingthewarni ngnotes
(Y pag e243) .
X Ifyou have toadd coola ntfrequ ently, havetheengine coolingsystem
checked.
X Make surethattheairsup plytothe engine radiator isnot blocked ,e.g. by
snow, slush orice.
X Do not start theengine againuntil thecoola nttempera turegage isbel ow the
H marking (Ypag e169) .Otherwi se,the engine couldbedama ged.
X Drive tothe neares tqualified speci alist worksho p.
X Avoid heavyloa dson the engine asyou doso, e.g. drivinginmountai nouster-
rain andstop-and-go traffic. 00AC
0051
The redcoola ntwar ning lamp comes onwhi lethe engine isrunning.
The coola nttempera turegage hasexceede dthe Hmarking (Ypag e169). The
airfl owtothe engine radiator may beblocked orthe coola ntleve lmaybe too
low .
G WARNING
The engine isnot being coole dsuffi ciently andmay bedama ged.
Do not drive when yourengine isoverhe ated.Thiscancaus esome fluidswhi ch
may have leaked into theengine compartment tocatch fire.
Steam fromtheoverhe atedengine canalsoc aus eserio usburns whichcan
occur justbyopeni ngthe hood.
There isar isk ofinjury .
X Observe theadditiona ldisp lay messa gesinthe multi function display.
X Pul lover and stop thevehicl esafel yand swi tch offthe engine, paying atten-
tion toroad andtraffic conditions.
X Secure thevehicl eagainst rolling awa y(Ypag e134) .
X Leave thevehicl eand keep asafe dista ncefrom thevehicl euntil the engine
has coole ddown.
X Che ckthe coola ntleve land add coola nt,obser vingthewarni ngnotes
(Y pag e243).
X Ifyou have toadd coola ntfrequ ently, havetheengine coolingsystem
checked. Indi
cator andwarnin glamps
215On-boardcomput erand displays Z

Warning/
indic ator
lamp 00510051
Sign altype
Poss iblec ause s/cons equen cesand 0050 0050
Sol utions X
Make surethattheairsup plytothe engine radiator isnot blocked ,e.g. by
snow, slush orice.
X Ifthe coola nttempera turegage isbel ow the Hmarking (Ypag e169) ,drive
on tothe next qualified speci alist worksho p.
X Avoid heavyloa dson the engine asyou doso, e.g. drivinginmountai nouster-
rain andstop-and-go traffic. Drivi
ngsystems Warning/
indic ator
lamp 00510051
Sign altype
Poss iblec ause s/cons equen cesand 0050 0050
Sol utions 00BA
0051
The reddista ncewarning lamp lights upwhi lethe vehicl eisinm otion. A
war ning tone alsos ound s.
You areapproachi ngavehicl e,ap ede strian oras tationa ryobstacl einy ourline
of travel attoo high aspee d.
X Be prepa redtobrake immed iately.
X Pay carefu lattention tothe traffic situation. Youmay have tobrake ortake
evasi veaction.
Further informati onon Active Distance AssistDISTRONIC (Ypag e144).
Further informati onon Active BrakeAssist (Ypag e58). 216
Indi
cator andwarni nglampsOn-bo ardcomput erand displays

Tire
s Warn
ing/
in dic ato r
lamp 00510051
Sign altype
Po ssible cause s/consequ encesa nd 0050 0050
So luti ons 0077
0051
The yellow tire pressu remoni torwarning lamp (pres sure loss/m alfu nctio n)is
li t.
The tirepressu remoni torhasd etecte dalosso fpressu reinat leas to ne ofthe
tire s.
G WA
RNING
Ti re pre ssu res thatare too lowp oset he followi ng hazar ds:
R the ym ayburst, especially as the load and vehicles peed incr ease
R the ym aywearexce ssivel ya nd/or unevenl y,wh ich maygreatl yimp airt ire
tra ctio n.
R the drivin gc haracteri stics, aswellas stee ringa nd bra king ,maybe gre atly
imp aired
The reisar isko fana ccident.
X Stop thevehiclew ithou tmaking any sudd en stee ringo rbraking maneu vers.
Pa ya ttentio ntot he trafficc ond itions asyoud oso.
X Secu rethe vehiclea gainst rol ling away (Y page 134 ).
X Ob ser vethe additio nal disp laym essage sint he mu ltifu nctio ndispl ay .
X Ch eck thetiresand,ifn ece ssary,f ollowt he instructio nsfor aflatt ire
(Y page 253 ).
X Ch eck thetire pressu re(Y page 275 ).
X Ifnece ssary,c orr ect the tire pressu re. 0077
0051
The yellow tire pressu remoni torwarning lamp (pres sure loss/m alfu nctio n)
fla she sfor appro xim atelyone minute and thenrem ains lit.
The tirepressu remoni torisfaulty.
G WA
RNING
The system ispo ssi blyu nablet or eco gnizeorreg ister lowt ire pre ssu re.
The reisar isko fana ccident.
X Ob ser vethe additio nal disp laym essage sint he mu ltifu nctio ndispl ay .
X Visitaq ualifi ed speci alistw orksh opimm ediatel y. In
dic ator andwarninglamps
217On -bo ard compu terand displa ys Z

Gene
ralnotes
The multime diasystem section inthis Opera -
tor's Manua ldescrib esthe basi cprincipl esfor
opera tion.More information canbefound in
the Digital Operator'sManua l. Important
safetynotes G
WARNING
If you opera teinformation systemsandcom-
municatio nequipment integrated inthe
vehicle whendriving, youmay bedistracted
from thetraffic situation. Youcould also
lose control ofthe vehicle .There isar isk of
an accide nt.
Only opera tethis equipment whenthetraffic
situa tionpermits. Ifyou arenot sure that
this ispossi ble,park thevehicle paying
attention totraffic conditions andopera te
the equipment whenthevehicle isstation-
ary .
You must observe thelega lrequ irements for
the country inwhich youarecurrently driving
when operatingthemultime diasystem.
The multime diasystem calculates theroute to
the destinati onwithou ttaking thefollo wing
into account, forexampl e:
R traffic lights
R stop andyieldsigns
R parking orstopping restrictions
R road narrowi ng
R other roadandtraffic rulesand regul ations
The multime diasystem maygiveincorrect nav-
iga tion recommendati onsifthe actual street/
traffic situationdoes notcorrespond withthe
digi talmap's data.
For exampl e:
R ad iverted route
R the road layout orthe direction ofao ne-way
street hasbeen changed
For this reaso n,you must alwayso bserve road
and traffic rulesand regul ations duringyou r
journey. Roadand traffic rulesand regul ations
alw aysh ave priori tyover multime diasystem
driving recommendati ons. Navig
ation announcements areintended to
direct youwhiledriving withou tdiverting your
attention fromtheroad anddriving.
Plea sealw aysu sethis feature instead ofcon-
sul ting themap displayfordirections. Looking
at the icons ormap displaycan distract you
from traffic conditions anddriving, and
increase therisk ofan accide nt.
This equipment complieswith FCCradiation
exposu relimi tsset forth foruncontrolled
equ ipment andmeets theFCC radiofreque ncy
(RF) Exposure Guideli nes inSuppl ement Cto
OET65.
This equipment hasvery lowlevel sofRF
energy thatisdeeme dtoc omply withou tmaxi-
mum permis siveexposu reeval uation(MPE).
However, itis recommended toinstall itat a
distance ofat lea st8i nches (approx. 20cm)
betwee nthe radi ation source andaperson's
body (notinclud inglimb ssuch ashands,
wrists, feetandlegs) . G
WARNING
Modi fications toelectronic components,
their software aswel lasw iring can impa ir
their function and/orthefunction ofother
networked components. Inparticu lar,sys-
tems releva ntto safety couldalsobeaffec-
ted. Asaresul t,these maynolonger func-
tion asintended and/orjeopardizethe oper-
ating safety ofthe vehicle .There isan
increase drisk ofan accide ntand injury.
Never tamper withthewiringaswel lase lec-
tronic components ortheir software .You
shoul dhave allwork toelectrica land elec-
tronic equipment carried outataq ualified
specia listworkshop . Func
tionrestrictio ns
For safety reasons,some functions arerestric-
ted orunava ilable whil ethe vehicle isin
motion. Youwillnotice this,forexampl e,
becau seeither youwillnot be abletos ele ct
certain menuitemsoram essag ewilla pp ear
to this effect. 218
Func
tionrestrictio nsMultimedia system

Stowage
areas Stowage
spaces
Import antsafety notes G
WARNING
If object sint he passenger compartmen tare
stowed incorrec tly,they canslide orbe
thrown around andhitvehicle occupants. In
addition, cupholders, openstowage spaces
and mobile phonebrackets cannotalways
retain allobject sthey cont ain.There isa
risk ofinjury, particularly inthe event ofsud-
den braking oras udden change indirection.
R Always stowobject ssothat they cannot
be thrown around insuch situations.
R Always makesurethatobject sdon otpro-
trude fromstowage spaces,parcelnetsor
stowage nets.
R Close thelockable stowagespacesbefore
startin gajourney.
R Always stowandsecure heavy,hard,poin-
ted, sharp-edged, fragileorbulky object s
in the trunk .
Glove box X
To open: pullhandle 0043and open glove box
flap 0044.
X To close :fold glove boxflap 0044upuntil it
engages.
The glove boxflap cont ains brackets forcoins,
pens, andcredit andservice cards. The
glove boxcanbelocked andunlocked
using themechanical key.
X To lock: insert themechanical keyinto the
lock andturn itto position 0048.
X To unlock: insertthemechanical keyinto
the lock andturn itto position 0047.
Stowage compartment/telephone
compar tment under thearm rest X
To open: pushbutton 0043upand raise arm-
rest 0044.
The stowage compartmen tcan be locked and
unlocked centrally using theSmartK ey
(Y page 66).
i Depending
onthe vehicle equipment, a
USB portandaMedia Interface isinstalled
in the stowage compartmen t.AM edia Inter-
face isau niversal interfaceformobile audio
equipment, e.g.foraniPod ®
or MP3 Playe r. 226
Stowage
areasStowage andfeatu res

!
Do
not expose drinksbottles inthe cup
holder inthe center console tocont inuous,
strong anddirect sunlight. Thepassenger
compartment inthe area ofthe center con-
sole canotherwise bedamage dbythe con-
centr atedandreflected sunlight.
Cup holder inthe center console X
To open: slidecover 0044back.
X To remove theinsert: slidecatch 0043
inwards onboth sides inthe direction ofthe
arrow.
X Remove thecup holder insertupwards.
X To re-install theinsert: placetheinsert in
the stowage space.
X Slide catch 0043outwards inthe direction of
the arrow untilitengages.
You canremove thecup holder insertfor
cleaning. Cleanwithclear, lukewa rmwater
only. Bottle
holder
Observe the"Important safetynotes" inthe
"Stowage compartment s"section
(Y page 226).
! Make
surethatanybottles weighingmore
than 1.1lb(0.5 kg)that arestored inthe
bottle holder, restonthe vehicle floor.The
bottle holder couldotherwise bedamage d. X
Press theouter edgeofbutton 0043and slide
in the direction ofthe arrow untilthebottle
fits into theopening.
X Insert thebottle intothebottle holder.
The bottle holder issuitabl efor bottles witha
capacity of25 fl.oz. (0.7 l)to 54 fl.oz. (1.5 l).
The bottle holder doesnotsecure thebottles;
it merely prevents themfromtipping over. Sun
visors
Overview G
WARNING
If the mirror coverofthe vanity mirror isfol-
ded upwhen thevehicle isin motion, you
could beblinded byincident light.There isa
risk ofan accident.
Alway skeep themirror coverfolded down
while driving. 0043
Mirror light
0044 Bracket
0087 Retaining strip,e.g.foraparking lotticket
0085 Vanity mirror
0083 Mirror cover Features
229Stowageandfeatur es Z

Setting
thecompass North
America zonemap South
America zonemap
X Set your location usingthezone maps.
X Push around peninto opening 0087
(Y page 238)forapproximately threesec-
onds.
The zone current lyselected appearsincom-
pass display 0044(Ypage 238).
X To selec tthe zone: pusharound peninto
opening 0087(Ypage 238)untilthedesired
zone isselected.
If, after afew seconds, thedisplay incom-
pass display 0044(Ypage 238)changes direc-
tion, thezone hasbeen selected. Calibrating
thecompass X
Make surethatthere issufficient spacefor
you todrive inac ircle without impeding
traffic.
In order tocalibrate thecompass correctly,do
the following:
R calibrate thecompass inthe open andnotin
the vicinity ofsteel struct uresorhigh-volt-
age transm issionlines.
R switch offelectrical consumers suchasthe
climate control,windshield wipersorrear
window defroster.
R close alldoors andthetrunk lid.
X Switch onthe ignition.
X Push around peninto opening 0087
(Y page 238)forapproximately sixseconds,
until symbol C C
is shown incompass dis-
play 0044(Ypage 238).
X Drive yourvehicle inaf ull circle atapprox-
imately 3mph(5km/h) to6m ph
(10 km/h).
When thecalibration hassuccessfully been
completed, thecurrent direction isshown in
compass display0044(Ypage 238). Floo
rmats G
WARNING
Object sint he driver's footwell mayrestrict
the clearance aroundthepedals orblock a
depressed pedal.Thisjeopardizes theoper-
ating androad safety ofthe vehicle. Thereis
ar isk ofan accident.
Stow allobject ssecurely inthe vehicle so
that they donot getinto thedriver's foot-
well. When usingfloormats orcarpets, make
sure thatthey areproperly securedsothat
they donot slip orobstruct thepedals. Do
not place several floormats orcarpets on
top ofone another. Features
239Stowageandfeatu res Z

G
WARNING
If engine oilcomes intocontact withhot
components inthe engine compartment, it
may ignite. Thereisar isk offire and injury .
Make surethatengine oilisnot spilled next
to the filler neck. Letthe engine cooldown
and thoroug hlyclea nthe engine oiloff the
components beforestarting theengine. H
Envi
ronmental note
When addingoil,take care nottospil lany. If
oil enters thesoil orwate rways,itis harmfu l
to the environment.
! Use
only engine oilsa nd oilfilters thatare
app roved forvehicl eswith aservice system.
Al ist ofthe engine oilsa nd oilfilters that
have been tested andapproved inaccord-
ance withMercede s-BenzSpecifications for
Service Productsisava ilable atany author-
ized Mercede s-BenzCenter.
The followi ngcaus eengine failure ordam-
age tothe exhau stsystem:
R Use ofengine oilsa nd oilfilters thathave
not been express lyapp roved forthe ser-
vice system
R Rep lace ment ofengine oiland oilfilter
after thereplacement intervalspecified
by the service system hasexpire d
R Use ofengine oiladd itives
! Do
not add toomuch oil.Ift he oilleve lis
abo vethe "ma x"mark onthe dipstick, too
much oilhas been added. This canleadto
dama getothe engine orthe catal yticcon-
verter. Haveexcess oilsiph oned off. Example
:engine oilcap X
Turn cap0043counter-clockwi seand remove
it.
X Add engine oil.
If the oilleve lisa torb elow the MIN mark
on the oildip stick, add1.1USqt(1.0 liter)
of engine oil.
X Rep lace cap0043onthe filler neck andturn
clockwis e.
Ensure thatthecap locks intoplace
secure ly.
X Che ckthe oilleve laga in with theoildip stick
(Y pag e242) .
Further informati ononengine oil
(Y pag e302) . Che
ckin gand adding otherservice
products
Che ckin gcoolan tlev el G
WARNING
Certa incomponents inthe engine compart-
ment, suchasthe engine, radiator andparts
of the exhau stsystem, canbecome very
hot. Working inthe engine compartment
poses arisk ofinjury .
Where possible,let the engine cooldown
and touch onlythecomponents describedin
the followi ng. G
WARNING
Opening thehood when theengine isover-
heate dorwhen there isaf ire inthe engine
compartment couldexpose youtohot gase s
or other service products.There isar isk of
injury .
Let anoverhe atedengine cooldownbefore
openi ngthe hood. Ifthere isaf ire inthe
engine compartment, keepthehood closed
and contact thefire depa rtment. G
WARNING
The engine compartment containsmoving
components. Certaincomponents, suchas
the radiator fan,may continue torun orstart
aga insud denly whentheignitio niso ff.
There isar isk ofinjury . Eng
inecompar tment
243Mainten anceandcare
Z

If
you need todo any work inside theengine
compartment:
R switch offthe ignition
R never reach intothearea where thereisa
risk ofdanger frommoving components,
such asthe fanrotation area
R remove jewelryandwatches
R keep items ofclothing andhair, forexam-
ple, awayfrom moving parts G
WARNING
The cooling systemispressu rized,particu-
larl yw hen themotor iswarm. Ifyou open
the cap, youcould bescalde difh ot coolant
spray sout. There isar isk ofinjury.
Let the engine cooldown before youopen
the cap. Wear protective glovesandprotec-
tive eyew earwhen opening. Openthecap
slow lyto relea sepressu re. Example
X Park thevehicle onalevel surface.
Only check thecoolant levelwhen thevehi-
cle ison alevel surface andtheengine has
cooled down.
X Turn theSmartKey topositio n0048 inthe igni-
tion lock (Ypage 118).
On vehicle swithKEYLESS- GO,press the
Start/St opbutton twice(Ypage 118).
X Check thecoolant temperature gageinthe
multifu nctiondisplay.
The coolant temperature mustbebelow
158 ‡(70 †).
X Turn theSmartKey topositio n0092
(Y page 118)inthe ignition lock. X
Slowl yturn cap 0043half aturn counter-clock-
wise toallow excess pressureto escape .
X Turn cap0043further <004600520058005100570048005500100046004F00520046004E005A004C0056
0048[ and
remove it.
If the coolant isat the level ofmarker bar
0087 inthe fillerneck when cold,there is
enough coolant incoolant expansion
tank 0044.
If the coolant levelisappro ximately 0.6in
(1.5 cm)above marker bar0087inthe filler
neck when warm, thereisenough coolant in
expansion tank0044.
X Ifnecessary ,add coolant thathasbeen tes-
ted and appro vedbyMercedes-Benz.
X Repl acecap 0043and turn itclockwise asfar
as itwil lgo.
Further information oncoolant (Ypage 303).
Windshie ldwashe rsystem G
WARNING
Certai ncomponents inthe engine compart-
ment, suchasthe engine, radiator andparts
of the exhau stsystem, canbecome very
hot. Working inthe engine compartment
poses arisk ofinjury.
Where possible,let the engine cooldown
and touch onlythecomponents describedin
the follow ing. G
WARNING
If you open thehood when thedrive system
has overhea tedorduri ngafire inthe engine
compartment, youcould come intocontact
with hotgases orother escapi ngopera ting
flui ds. There isar isk ofburns.
Let the overhea tedcomponents cooldown
before opening thehood. Inthe event ofa
fire inthe engine compartment, keepthe
hood closed andcallthefire service. G
WARNING
Windshi eldwash erconcentrate ishighl y
flamma ble.Ifwindshi eldwash erconcentrate
gets onto hotcomponents ofthe engine or
the exhau stsystem, itcan ignite. Thereisa
risk offire and injury. 244
Eng
inecompar tmentMaintenanc eand care

R
solvents
R cleaning agentscontaining solvents
Do not scrub.
Do not touch thesurfaces andfilms with
hard objects, e.g.rings orice scrapers. Oth-
erwise, youmay scratch ordamage thesur-
faces andfilms.
! Do
not park yourvehicle foralong period
of time directly aftercleaning, particularly
after cleaning thewheel rimwith wheel
cleaner. Wheelcleaner canlead tothe
increased corrosionofthe brake discsand
pads. Therefore, driveforafew minutes
after cleaning. Byheating upthe brakes, the
brake discsandpads dry.Thevehicle can
then beparked foralong period oftime.
Regu larcare ofyour vehicle isac ondition for
retaining thequal ityinthe long term.
Use care products andcleaning agentsrecom-
mended andapproved byMercedes-Benz . Washing
thevehicl eand cleani ng
the paintwork
Automatic carwash G
WARNING
Braking efficiency isreduced afterwashing
the vehicle. Thereisar isk ofan accident.
Aft erthe vehicle hasbeen washed, brake
carefully whilepayingattent iontothe traffic
conditions untilfullbraking poweris
restored.
! When
DISTRONIC PLUSorthe HOLD func-
tion isactivated, thevehicle brakesauto-
matically incertain situations.
To avoid damage tothe vehicle, deactivate
DISTRONIC PLUSandtheHOLD function in
the followi ngorsimilar situations:
R when towing thevehicle
R in the carwash
! It
is preferable touse carwashes with
adjustable high-pressure pre-cleaningthat
corresponds tothe specification forthe
Cabri oletprogram. Incar washes thatuse
high water pressures, thereisar isk that a
small amount ofwater mayleakintothe
vehicle. !
Lock
thecarifyou wash itin an automatic
car wash. Otherwise, thevehicle mightbe
damaged .
! Never
cleanyourvehicle inaT ouchless
Automatic CarWash asthese usespecial
cleaning agents.Thesecleaning agentscan
damage thepaintwork orplastic parts.
If you have yourvehicle cleaned inah igh-
pressure automatic carwash, small
amounts ofwater mayenter thevehicle.
! Make
surethattheautomatic transmission
is in position Nwhen washing yourvehicle
in at ow-through carwash. Thevehicle could
be damaged ifthe transmission isin another
position.
! Make
surethat:
R the side windows androof arecompletely
closed
R the climate controlblower isswitched off
R the windshiel dwiper switch isin position
0
The vehicle mayotherwise bedamaged .
You canclean thevehicle atan automatic car
wash fromthevery start.
Preferably cleanthevehicle atautomatic car
washes thatusetextilewashing elements
without brushes. Thisprevents finescratches
from forming onthe paintwork andfilm.
If the vehicle isvery dirty, pre-wash itbefore
cleaning itin an automatic carwash.
Aft erusing anautomatic carwash, wipeoff
wax from thewindshiel dand the wiper blades.
This willprevent smearsandreduce wiping
noises caused byresidue onthe windshiel d.
i Vehicles
withdecorative film:select a
wash program withouthotwax atthe auto-
matic carwash.
Washing byhand In
some countries, washingbyhand isonly
allow edatspeciall yequip ped washing bays.
Observe thelegal requirements ineach coun-
try.
X Do not use hotwater anddonot wash the
vehicle indirect sunlight.
X Use asoft sponge toclean.
X Use amildcleaning agent,suchasac ar
shampoo approved byMercedes-Benz . Care
247Maintenance andcare Z