2020 MERCEDES-BENZ SLC warning lights

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions The
yellow 0024warninglamp andther ed 0049 (USAonly) or 0024
(Can adaonly) ind icat orlamp lightup.
The electric park ingbrak eism alfunc tion ing .
To releas e:
X Swi tcho ffthei gn ition and turnitb acko n.
X Releas ethe elec tric park ingbrak emanually.
or X Releas ethe elec tric park ingbrak eauto mat ically(Y page 135).
If th ee lectric park ingbrak estill can notb erelease d:
X Do notd rive on.
X Con sult aqualif iedspecialistwor kshop . The
red0049 (USAonly) or 0024 (Canadaonly) ind icat orlamp
flas hes and they ellow 0024warninglamp lightsup.
The electric park ingbrak eism alfunc tion ing .
To releas e:
X Swi tcho ffthei gn ition and turnitb acko n.
X Releas ethe elec tric park ingbrak emanually.
To apply :
X Swi tcho ffthei gn ition and turnitb acko n.
X Ap ply thee lectric park ingbrak emanually.
If th er ed 0049 (USAonly) or 0024 (Canadaonly) ind icat orlamp
co ntinu estoflas h:
X Do notd rive on.
X Se cur ethe veh iclea gain strol linga way (Ypage 290).
X Sh ift thet rans mis sion topos ition 005D.
X Turn thef ront whee lstoward sthe cur b.
X Con sult aqualif iedspecialistwor kshop . Disp
laymes sage s
187On -boar dcomp uter andd ispla ys Z

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions The
yellow 0024warninglamp lightsup. The red0049 (USAonly)
or 0024 (Canadaonly) ind icat orlamp flashes forabout tens econ ds
aft erthee lectric park ingbrak ehasbeen applie dorrelease d.Itth en
goe soutor rem ainslit.
The electric park ingbrak eism alfunc tion ing .
X Swi tcho ffthei gn ition and turnitb acko n.
X Ap ply thee lectric park ingbrak e.
If it is no tp ossibl etoa pply thee lectric park ingbrak e:
X Sh ift thet rans mis sion topos ition 005D.
X Vis itaq ualif iedspecialistwor kshop .
If it is no tp ossibl etor elease thee lectric park ingbrak e:
X Releas ethe elec tric park ingbrak eauto mat ically(Y page 135).
If th ee lectric park ingbrak estill can notb erelease d:
X Con sult aqualif iedspecialistwor kshop . The
yellow 0024warninglamp lightsup. Ifyou man ually apply or
rel ease thee lectric park ingbrak e,ther ed 0049 (USAonly) or 0024
(Can adaonly) ind icat orlamp flashes .
The electric park ingbrak eism alfunc tion ing .Iti sn otpos sibleto
apply thee lectric park ingbrak emanually.
X Sh ift thet rans mis sion topos ition 005D,a sthe elec tric park ing
brak eisn otapplie dauto mat ically.
X Vis itaq ualif iedspecialistwor kshop . 0049
(USA
on ly) 0024 (Canada
on ly)
Par kingB rake Inop‐ Par
kingB rake Inop‐
era tive era
tive The
yellow 0024warninglamp lightsup. The red0049 (USAonly)
or 0024 (Canadaonly) ind icat orlamp flashes forabout tens econ ds
aft erthee lectric park ingbrak ehasbeen applie dorrelease d.Itth en
goe soutor rem ainslit.
The electric park ingbrak eism alfunc tion ing ,e.g.b ecause ofove r-
vol tag eorunderv oltage.
X Remo vethec aus efor theo vervolt age orund ervoltage, e.g. by
ch arg ing theb atte ry or res tarting thee ngine.
X Ap ply orrelease thee lectric park ingbrak e.
If it rem ainsimp oss ible toapply orrelease thee lectric park ing
brak e:
X Swi tcho ffthei gn ition and turnitb acko n.
X Ap ply orrelease thee lectric park ingbrak e.
If th ee lectric park ingbrak estill can notb erelease d:
X Con sult aqualif iedspecialistwor kshop .
If th ee lectric park ingbrak estill can notb ea pplie d:
X Vis itaq ualif iedspecialistwor kshop . 188
Disp
laymes sage sOn -boar dcomp uter andd ispla ys

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions The
yellow 0024warninglamp lightsup and ther ed 0049 (USA
on ly) or0024 (Canadaonly) ind icat orlamp flashes .
It is no tp ossibl etoa pply thee lectric park ingbrak emanually.
X Sh ift thet rans mis sion topos ition 005D.
X Vis itaq ualif iedspecialistwor kshop . 0027
(USAonly)
004D (Canadaonly)
Che ckBrakeFluid Che
ckBrakeFluid
Lev el Lev
el The
reisno te nough brak efluidi nt he brak efluid reservoir.
In addit ion,the 0027 (USAonly) or 004D (Canadaonly) warn ing
lamp lightsup inthei nstrumen tclus tera nd aw arning tone soun ds.
G WAR
NING
The brak ingeffectm aybe imp aire d.
The reisar isko fana cciden t.
X Pull overand stop thev ehicles afely assoo naspossibl e,payin g
att ention toroa dand traff icco nd ition s.Do notc ontin ue drivin g
und erany circum stanc es.
X Se cur ethe veh iclea gain strol linga way (Ypage 134).
X Con sult aqualif iedspecialistwor kshop .
X Do nota dd brak efluid .This does notc orrect them alfunc tion . 0026
Che ckBrakePad Che
ckBrakePad
Wea r Wea
r The
brak epads /linin gshav ereac hed their wear limit.
X Vis itaq ualif iedspecialistwor kshop . PRE
-SAFEInoper a‐ PRE
-SAFEInoper a‐
tiv eS eeOpe ra‐ tiv
eS eeOpe ra‐
tor 'sManual tor
'sManual Im
por tantfun ction sofPRE -SAF E®
hav efailed. Allo ther occup ant
saf etys yst ems ,e.g.a irbags ,rem ain avail able.
X Vis itaq ualif iedspecialistwor kshop immediat ely. Act
ive Brake Act
ive Brake
Ass ist Functions Ass
ist Functions
Cur rently Limite d Cur
rently Limite d
See Operator'sM an‐ See
Operator'sM an‐
ual ual Ac
tive Brake Assis tist em porar ily ino per ative.
Pos siblecaus esare:
R ther adar sensor syst emistempo rarily ino per ative, e.g. due to
elec tromag neticr adi ation emi tted bynearby TVorradi ostation s
or other sour ceso felec tromag neticr adi ation
R thes yst em isout side theo per ating tempe rature range
R theo n-bo ardv oltag eist oo low
Whe nthe caus esstate dabov enolon ger apply, thed isplay mes sage
disap pears.
Ac tive Brake Assis tiso per ationalagain .
If th ed isplay mes sage does notd isap pear :
X Pull overand stop thev ehicles afely assoo naspossibl e,payin g
att ention toroa dand traff icco nd ition s.
X Se cur ethe veh iclea gain strol linga way (Ypage 134).
X Rest artthee ngine. Disp
laymes sage s
189On -boar dcomp uter andd ispla ys Z

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions 0075
Fro ntLeftM alfun c‐ Fro
ntLeftM alfun c‐
tio nS ervic e tio
nS ervic e
Req uired Req
uiredorFro nt Fro
nt
Rig htMalfunction Rig
htMalfunction
Ser viceR equir ed Ser
viceR equir ed The
restrain tsyst em has malf unction ed atthef ront on thel efto r
rig ht.T he 0075 warninglamp alsolightsup inthei nstrumen tclus -
te r.
G WAR
NING
The airbags orEm erg ency Ten sion ingDevic es may either betrig-
ger eduninten tion ally or,inthee vent ofan acc iden t,may notb e
tr igge red.
The reisan increas edrisko finjury.
X Vis itaq ualif iedspecialistwor kshop immediat ely. 0075
Lef tS ideC urtai n Lef
tS ideC urtai n
Air BagMalfun c‐ Air
BagMalfun c‐
tio nS ervic e tio
nS ervic e
Req uired Req
uiredorRig ht Rig
ht
Sid eC urtai nA ir Sid
eC urtai nA ir
Bag Malfunction Bag
Malfunction
Ser viceR equir ed Ser
viceR equir ed The
reisam alfunc tion inthel eft-han dand/o rright -hand head bag.
The 0075 warninglamp alsolightsup inthei nstrumen tclus ter.
G WAR
NING
The lefto rright head bagmay either betrigge reduninten tion ally or,
in thee vent ofan acc iden t,may notb etrigge red.
The reisan increas edrisko finjury.
X Vis itaq ualif iedspecialistwor kshop immediat ely. Disp
laymes sage s
191On -boar dcomp uter andd ispla ys Z

Ind
icat orand warning lamps Gener
alnot es
So me syst ems carryout aself-diagn osis when thei gn ition isswit ched on.Ther efore, som eind i-
cat orand warn inglamp smayligh tupo rflas htem porar ily. This behav iorisno n-cr itical .Thes e
ind icat orand warn inglamp sonlyi nd icat eam alfunc tion ifth ey ligh tupo rflas ha fter start ing the
en gin eo rwhils tdriving . Saf
ety
Sea tbelts Wa
rning/
ind icat or
lam p 00510051
Sign altype
Poss iblecauses/con sequenc esand 0050 0050
Solu tions 00E9
0051
Afters tarting thee ngine, ther ed seat beltwarn inglamp lightsup for sixsec -
on ds.
The seat beltwarn inglamp remindsthe driv erand fron tp ass enger tofas ten
th eir seat belts.
X Fas teny our seat belt(Ypage 42). 00E9
0051
Afters tarting thee ngine, ther ed seat beltwarn inglamp lightsup. Inaddit ion,
aw arning tone soun dsfor uptosix sec onds.
The driver'ss eat belt isno tfas tene d.
X Fas teny our seat belt(Ypage 42).
The warn ingtone ceases . Indicat
orand warning lamps
209On-boar dcomp uter and displa ys Z

Warning/
indic ator
lamp 00510051
Sign altype
Poss iblec ause s/cons equen cesand 0050 0050
Sol utions 00E9
0051
The redseat beltw arning lamp lights upafter theengine starts,assoon as
the drive r'sorthe front-passenge rdoor isclosed .
The drive rorfront passenger hasnotfastened theirseatbelt.
X Fasten yourseat belt(Y pag e42).
The warning lamp goesout.
There areobjects onthe front-passenge rseat.
X Remo vethe objects fromthefront-passenge rseat and stow them inas ecure
pla ce.
The warning lamp goesout. 00E9
0051
The redseat beltw arning lamp flashes and anintermittent audib lewarni ng
sound s.
The drive rorfront passenger hasnotfastened theirseatbelt.The vehicl eis
bei ng drive nfaster than15mph (25km/h )orh as brie flybeen drivenfaster
than 15mph (25km/h) .
X Fasten yourseat belt(Ypag e42).
The warning lamp goesoutand theintermittent warningtone cease s.
There areobjects onthe front-passenge rseat. Thevehicl eisb eing drive nfaster
than 15mph (25km/h )orh as brie flybeen drivenfaster than15mph
(25 km/h) .
X Remo vethe objects fromthefront-passenge rseat and stow them inas ecure
pla ce.
The warning lamp goesoutand theintermittent warningtone cease s. 210
Indi
cator andwarni nglampsOn-bo ardcomput erand displays

Engine
Wa
rning/
ind icat or
lam p 00510051
Signa ltyp e
Possi blecauses/cons equences and0050 0050
Solu tions 00B9
0051
The yellow CheckEnginew arning lamp lightsupw hile thee ngine isrun ning.
Ther emaybe am alfunc tion,for exam ple:
R in thee ngine man agem ent
R in thef uel inject ion syst em
R in thee xhaust system
R in thei gn ition syst em
R in thef uel syst em
The emis sion limit values maybeexc eeded andthee ngine may beinemer -
gen cymod e.
X Visi taq ualifi edspec ialist workshop immediat ely.
In som estate s, you must immediat elyvisitaq ualifi edspec ialist workshop as
soon asthey ellow CheckEnginew arning lamp lightsup.This isdue tothel egal
requi rementsine ffect inthese state s.Ifin doubt ,che ck whet hersuchlegal reg-
ulati onsa pply inthes tate inwhic hyou are curren tlydriv ing. 00B6
0051
The yellow reservefuel warn inglamp lightsupw hile thee ngine isrun ning.
The fuel levelhas dro pped intot he res erverange.
X Refuel atthen ear est gas statio n. 00B6
0051
The yellow reservefuel warn inglamp flashes while thev ehicle isin mot ion.
In addit ion,the 00B9 CheckEnginew arning lamp maylight up.
The fuel fillercap isno tc losed correctlyorthef uel syst emisleak ing.
X Chec kthatthe fuel fillercap iscor rectlyclosed.
X Ifth ef uelfiller capisnot corr ectly closed :clo sethef uel fillercap.
X Ifth ef uelfiller capisclosed :visi taq ualifi edspec ialist workshop. 00AC
0051
The redcoolant warn inglamp lightsupw hile thee ngine isrun ningand the
coo lant temper aturegage isat thes tart of thes cale.
The temper aturesensor forthec oolant temper aturegage ismalf unctionin g.
The coolant temper atureisn olon ger bein gmonito red. Thereisar iskofeng ine
damag eifthe coo lant temper atureist oo high .
X Pull overand stop thev ehicle safe lyand switchoff thee ngine ,payin gatten-
tio nt or oad andtraff iccon dition s.Do notc ontin ue driv ingunde rany circum -
st anc es.
X Sec ure thev ehicle again stroll ing away (Ypage 134).
X Con sult aqualifi edspec ialist workshop. 214
Indica
torand warning lampsOn-boar dcomp uter and displa ys

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