warning lights MERCEDES-BENZ A CLASS 2023 User Guide

R
Variable limiter
Fu rther informatio nabout ActiveDist ance
Assi stDIS TRONI C:(/ page167).
Disp la Disp
laying det ying
detect ect
ed ed
tr tr
a1c a1c
signs int signs
inthe medi adis- he
medi adis-
pla y pla
y #
Select Display inCentr alDisplay . #
Switc hth efunction onoro..
Se Se
tting t tting
the type ofw he
type ofwar ar
ning ning
#
Select Visual& Audibl e, Visua lor Off.
Se Se
tting t tting
the w he
war ar
ning t ning
thr hr
eshold eshold
This value determ ines thespeed atwhic hawa rn-
ing isissued whenexceeded. #
Select Warning Threshold. #
Setth edesir edspeed. TT
r r
a1c a1c
Light Inf Light
Infor or
mation ser mation
service vice
&
W W
ARNIN G ARNIN
GRisk ofan accident orinjur y
due todist raction ,incor rect or missin g
dat a
The tra1c lightinformation displayis an aid
and canno tre place theobser vation ofthe
actual drivi ng situ atio n. #
Keep theactual tra1c situation con-
st antl yin vie wwhen approaching atraf-
fi c light andwhen chang inglane s. #
Avoid looking attheInstr ument Display
and Head-up Displayfo ra long time. The
Instr ument Displayand Head-up Display(if
av ailabl e)sho wthetra1c lighticonandremainin g
time 1unti lth ene xt green phase asacountdo wn. Ex
am ple repr esent ation intheInstr ument Display
The displa yis hidden about/veseconds before
th etra1c lights chang eto green.
% The displa yalso goes outinthefo llo wing
cases :
R When turning o.beforeth eint ersection
int oacr oss orside street
R When turning beforeth eint ersection
% The direction arro ws aredispl ayeddepending
on thefo llo wing functions:
R Atur nsignal isse t
R Alane isrecommen dedduring activ e
rou teguida nce 182182
Dr
iving andparking

Plea
seobs erve theno teson drivi ng systems and
yo ur responsi bility.Yo ucould other wise failto rec-
ogn izedang ers.
Sy st Sy
stem limit s em
limit s
The displa ydoes notappear inthefo llo wing situa-
tions, forex am ple:
R Ther eis no tra1c light dat aav ailabl e.
R The time remainin gunti lth ene xt green phase
is less than tensec onds .
R Eme rgency vehicles orlocal publictranspor t
ar elocat edinthevicinity oftheint ersection.
R The datatransmission from theve hicle has
been interrupted.
R The tra1c lightsystems arelocat edinacon-
str uction sitear ea orareunder going mainte-
nance.
R The light signal system ismalfunctionin g.
R The subscr iption totheser vice hasexpir ed. SwitcSwitc
hingt hing
the he
tr tr
a1c a1c
lightinf light
infor or
mation displa mation
displayon y
on
or or
o. o.
Multimedi
asy stem:
4 © 5
Settings 5
Assistance #
Switc hTraffi cLight Information onD or
o. E. Blin
dSpo Blin
dSpo tAssis t
Assist andA t
and Activ ctiv
eBlin dSpo e
Blin dSpo tAssis t
Assist with t
wit h
e e
xit w xit
war ar
ning ning
FF
unction ofBlin dSpo unction
ofBlin dSpo tAssis t
Assist andA t
and Activ ctiv
eBlin d e
Blin d
Spo Spo
tAssis t
Assist wit t
wit he h
exit w xit
war ar
ning ning
Blin dSpo tAssist andActiveBlind SpotAssi stuse
tw olat eral, rear-facing radar sensor sto monit or
th ear ea up to130 T(40 m)behind and10T
(3 m) next to your vehicle.
If ave hicle isde tected atspeeds aboveappr ox-
imat ely8 mp h(1 2km /h)an dth is vehicle subse-
qu entl yent ersth emonit oring rang edir ectl yne xt
to your vehicle, thewa rning lampin theoutside
mir rorlights upred. Pe
rm anen tst atus displayintheinst rument clus-
te r:
R ¸ (gra y): system isac tiva tedbut inoper a-
tiv e
R ¸ (gre en): system isactiv ated and oper a-
tional
If ave hicle isde tected close toyour vehicle and
yo uswitc hon thetur nsignal indicat orinthecor -
re spond ingdirecti on, adoubl ewa rning tone
sou nds and there dwa rning lampin theoutside
mir ror0as hes. Ifth etur nsignal indicat orremains
switc hedon,allother detected vehicles areind i-
cat ed onlyby the0ash ingofthere dwa rning
lam p.
If yo uove rtak eave hicle quickl y, no warning is
giv en. &
W W
ARNIN G ARNIN
GRisk ofaccident despiteBlind
Spo tAssist
Blind SpotAssist doesnotre act tovehicles
appr oaching andovertaking youat agr eatl y
di.er entspeed. 184184
Dr
iving andparking

DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
Pla cethe Key inthe
Marked SpaceSeeOpera -
tor's Manua l *S
mar tKey detection ismalfu nctionin g. #
Chang eth elocation oftheSmar tKey intheve hicle. #
Place theSmar tKey inthemar kedspace forst ar ting theengine withth eSmar tKey (/ pag e129). LightsLights
DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Solut ions Solut
ions
:
Check LeftLow
Beam (exa mp le) *T
hecor respond inglight sour ceisdef ecti ve. #
Drive on car efull y. #
Visit aqu ali/ed special istwo rkshop immed iately.
% LED light sources: thedispla ymessag efo rth ecor respond inglight appear sonl ywhen allthelight-emittin gdiodes
in thelight arefa ulty .
: Malfu nction See Opera-
tor’s Manual *T
heexterior lightin gis malfunct ioning. #
Consult aquali/ edspecialist workshop. Displ
aymessag esand warning/in dicatorlam ps
343 343

DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
:
Automatic HeadlampMode
Inoperative *T
helight senso rfo raut omatic driving lights ismalfunctioning . #
Consult aqua li/ed specialist workshop.
:
Active Headlamp sInop era-
tive *T
heactiv eheadlamps aremalf unct ioning. #
Con sult aquali/ed specialistwo rkshop.
:
Swi tch OnHea dlamp s *Y
ouaredr ivin gwit hout low- beam headlam ps. #
Turn thelight switc hto the0058 or0058 position.
:
Switch OffLights *Y
ouarelea ving theve hicle andthelights arestill switc hedon. #
Turn thelight switc hto the0058 position. 344344
Displa
ymessag esand warning/in dicatorlam ps

DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
:
Intell. LightSystem Inoper-
ative *T
heIntelli gent Ligh tSy stem isma lfunct ioning .The lighting system cont inues tofunc tionproper lywit hout thefunction s
of theInt ellig entLight System. #
Consult aqua li/ed specialist workshop.
Ada ptiveHig hbe amAssi st
Cu rrentl yUnav ailabl e See
Ope rator'sManua l *A
dap tiveHighbeam Assististempo rarily una vailable.
The system limits have been reac hed (/page115) .
Once thecause ofthepr oblem isno long erpresent, thesy stem will beavailabl eag ain. TheAdaptive Hig hbe am
Assi stNow Availabl e displ aymessag ewill appear . #
Drive on. #
Oper ateth ehigh beam manuall yuntil AdaptiveHig hBeam Assistis availabl eag ain.
Ada ptive Hig hbe amAssi st
Inop erative *A
daptiveHighbeam Assistismalfuncti oning. #
Drive on.
or #
Stop theve hicle inaccor dance withth etra1c conditions andrestar tth eve hicle. #
Ifth edispla ymessag edoes notdisappear :consult aqua li/ed specialist workshop. #
Untilthen, oper ateth ehigh beam manuall y.
Haza rdWa rning Flasher s
Mal functio ning *T
hehazar dwa rning lampswitc his malfunctioning. #
Consult aqua li/ed specia listworkshop. Displ
aymessag esand warning/in dicatorlam ps
345 345

DrDr
iving safe iving
safety syst ty
systems ems
DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
0025
00E5
Cu rrently UnavailableSee
Opera tor'sManua l *
ABS andESP®
arete mp orarily una vailable.
Ot her driving systems anddriving safetysy stems (e.g.BAS )ma yalso betemp orarily una vailable.
The brak esy stem will continue tooper atenor mall y.Brak ing dist ancema yinc rease inan emer gency brak ing situatio n. &
W W
ARNI NG ARNI
NGRisk ofskiddi ngifABS andESP®
aremal functio ning
The wheels mayloc kdur ing brak ing and ESP®
does notper form anyve hicle stabili zation .
The steer abili tyand braking charact eristics arehea vilyim pair edand thebr aking distance mayincr ease. Inaddi-
tion, other drivi ng safetysy stem sar esw itch ed o.. #
Drive car efull yon asuit able stretch ofroad, making slightsteer ing movements ataspeed above19 mph
(30 km/h ). #
Ifth edispla ymessag edoes notdisappear ,consult aqu ali/ed special istwo rkshop immed iately. Dr ive car e-
full y. 372372
Displa
ymessa gesand warning/in dicatorlam ps

DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
0025
00E5
Inoperative SeeOpera tor's
Manua l *
ABS andESP®
aremalfunction ing.
Ot her driving systems anddriving safetysy stem s(e .g. BAS) mayalso bemalf uncti oni ng.
The brak esy stem willco nti nue tooper atenor mall y.Brak ing dist ancema yinc rease inan emer gency brak ing situatio n. &
W W
ARNI NG ARNI
NGRisk ofskiddi ngifABS andESP®
aremal functio ning
The wheels maybloc kdur ing brak ing and ESP®
does notper form anyve hicle stabili zation .
The steer abili tyand braking charact eristics arehea vilyim pair edand thebr aking distance mayincr ease. Inaddi-
tion, other drivi ng safetysy stem sar esw itch ed o.. #
Drive on car efull y. #
Have ABS andESP®
ch eckedimmediat elyat aqu ali/ed special istwo rkshop. 00E5
Cu rrentl yUnav ailabl e See
Ope rator'sManua l *
ESP ®
is temp orarily una vailable.
Ot her driving systems anddriving safetysy stem s(e .g. BAS) mayalso bemalf uncti oni ng. &
W W
AR NIN G AR
NIN GRisk ofskidd ing if ES Pis malf uncti oni ng®
If ES P®
is malf uncti oni ng,ES P®
cann otcar ryout vehicle stabili zation .In addit ion,ot her drivi ng safetysy stem sar e
sw itch ed o.. #
Drive car efull yon asuit able stretch ofroad, making slightsteer ing movements ataspeed above19 mph
(30 km/h ). Displa
ymessag esand warning/in dicatorlam ps
373 373

0077
Tire pressur emonit oring system
(/ page399)
0060 Parking lights (/page112)
0058 Lowbeam (/page112)
0057 Highbeam (/page113)
003E003D Turn sign allights (/ page113)
005E Rear fogligh t(/ page112) Occ
upantsafe Occupant
safety ty
WW
ar ar
nin g/in dicat nin
g/in dicat orlam pP or
lam pP ossiblecauses/conseq ossible
causes/conseq uencesand uences
and0050 0050
Solut ions Solut
ions
0075
Re str aint system warning
lam p *T
he restr aint system redwa rning lampis lit while theve hicle ison.
The restr aint system isma lfunc tion ing (/ page 38). &
W W
ARNIN G ARNIN
GRisk ofinjur ydue tomalfun ctionsinthere str aint system
Co mp onent sin there str aint system maybe acti vatedunint ention allyor notdeplo yas planned inan accident. #
Have there str aint system checkedand repair edimmediat elyat aqu ali/ed special istwo rkshop. #
Drive on car efull y. #
Notethemessag eson theinstr ument display. #
Consult aqua li/ed specialist workshop immed iately. Displa
ymessag esand warning/in dicatorlam ps
387 387

WW
ar ar
nin g/ind icat nin
g/ind icat orlam pP or
lam pP ossiblecauses/conseq ossible
causes/conseq uencesand uences
and0050 0050
Solut ions Solut
ions
00E9
Seat beltwarning lamp
0as hes *T
he redseat beltwarning lamp0as hes and anintermitt entwarning tone sou nds.
The driver or front passeng erhasno tfa stene dhis/ herse at beltwh ile th eve hicle isin mo tion . #
Fasten your seat belt(/page41).
Ther ear eobjects onthefront passeng erseat. #
Remo vetheobjects from thefront passeng erseat.
00E9
Seat beltwarning lamp
lights up *T
he redseat beltwarning lamplights upforsix seconds oncetheve hicle hasstar ted.
In addition, anintermitt entwarning tone maysou nd.
The redseat beltwarning lampre minds thedr iver and front passeng ertofasten their seat belts. #
Fasten your seat belt(/page41).
If yo uha ve placed objects onthefront passeng erseat, there dseat beltwarning lampma yre main lit. VV
ehicle ehicle
WW
ar ar
nin g/i ndicat nin
g/i ndicat orlam pP or
lam pP ossiblecauses/conseq ossible
causes/conseq uencesand uences
and0050 0050
Solut ions Solut
ions
Ù
Po we rst eer ing warning
lam p(red) *T
he redpo we rst eer ing warning lampis lit while theve hicle isrunning.
The powe rassist anceorthesteer ing itself ismalfunctionin g. &
W W
ARNIN G ARNIN
GRisk ofaccident ifsteer ing capability isim pair ed
If th esteer ing does notfunction asintended, theve hicle' soper atingsaf etyis jeopar dized. 388388
Disp
lay messag esand warning/in dicatorlam ps

WW
ar ar
nin g/ind icat nin
g/ind icat orlam pP or
lam pP ossiblecauses/conseq ossible
causes/conseq uencesand uences
and0050 0050
Solut ions Solut
ions
ÿ
Coolant warning lamp(yel-
lo w) *T
he yello wcoolant warning lampis lit while theengine isrunning.
Po ssible causes:
R The temp eratur esensor ismalfunctionin g
R The charge air,tr ansmi ssionoilorbatt erycooli ngisfaulty
R The radiat orshutt ersar ebloc kedor def ectiv e #
Avoiding highloads ontheengine, drive to thenear estquali/ed special istwo rkshop.
00B9 Eng inediag nosiswa rning
lam p *T
he yello wChec kEngine warning lampis lit while theengine isrunning.
A ma lfunct ionhasocc urredin theengine, theex haus tsy stem orthefuel system.
The emission limitvalues maybe exceeded andtheengine maybe inemer gency mod e.
In som estat es, legalrequ irements stipulateth at youmust immediat elyconsult aqu ali/ed special istwo rkshop assoon
as theye llo wChec kEngine warning lamplights up. #
Have theve hicle checkedas soon aspossible ataqu ali/ed special istwo rkshop.
003D
Elect rical malfu nctionwarn-
ing lamp *T
heredelectr icalmalfuncti onwarning lampis lit.
Ther eis amalfunction intheelectr ics. #
Notethemessag eson theinstr ument display. Displa
ymessag esand warning/in dicatorlam ps
391 391