2021 MERCEDES-BENZ A-CLASS SEDAN Owner's Manual

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Reduce speed sothat thetir es cool down. Dec
rease Speed *A
tle as tone tireisov erheating. Theaffect ed tires aredispl ayed inred. At temp eratur esclose tothelimit value, the
tir es aredisp laye din yello w. &
WARNIN GRisk ofan acci dent from drivi ng with ove rheat edtires
Ov erheat edtires can burst. #
Reduce speed sothat thetir es cool down. Ti
re pres sur elo ss wa rning system Displa
ymess ages
Possible causes/conseq uencesand0050 0050
Solutions
Check TirePressure Soon *C
anada only:
The tirepr essur eloss warning system has detected asig nifica ntlos sof press ure. &
WARNIN GRisk ofan acci dent dueto insuf ficie nttirepr ess ure
R The tires can burst.
R The tires can wearexc essiv elyand/or unevenly.
R The driving charact eristic sas wellas thesteer ing and braking maybe greatl yim pair ed. Displa
ymessag esand warning/ indic ator lam ps 37
5

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Yo uco uld then lose control of theve hicle. #
Obser vethere comme ndedtirepr ess ures. #
Adjus tth etir epr essur eif neces sary. #
Stop theve hicle inaccor dance withth etra ffic con dition s. #
Chec kth etir epr essur e(/ page288) andthetir es. #
When thetir epr essur eis cor rect, restar tth etir epr essur eloss warning system (/ page29 4).
Check TirePressure Then
Restart RunFlatIndic ator *C
anada only:
The tirepr essur eloss warning system gener ated adi spl aymessa geand hasnotbeen restar tedsinc e. #
When thetir epr essur eis cor rect, restar tth etir epr essur eloss warning system (/ page29 4).
Run FlatIndic atorInoper a-
tive *C
anada only:
The tirepr essur eloss warning system ismalfunct ioning. #
Consult aqu alif ied spec ialistwo rkshop. 37
6
Display messa gesand warning/ indic ator lam ps

Engine
oil Displa
ymes sages
Possible causes/conseq uencesand0050 0050
Solutions
00B3 Check Engine OilLevel
(Add 1quart) *T
heengine oilleve lhas dropped totheminimum leve l.
* NO
TEEngi nedama gecau sed bydriving withinsuf ficie ntengi neoil #
Avoid long journeys wit hins ufficie ntengi neoil. #
Whe nne xt refuel ing, add 1.1 US qt(1l)of engine oil(/ page25 4).
No teson engine oil(/ page326).
00B3
Engine OilRedu ceOil Level *T
heengine oilleve lis toohigh.
* NO
TEEngi nedama gecau sed bydriving withexc ess engine oil #
Avoid long journeys wit hex cess engineoil. #
Consul ta qu alif ied spec ialistwo rkshop immediat elyand have theengine oilleve lre duced.
00B3 En gine OilLevel LowStop
Vehicle TurnEngine Off *T
heengine oilleve lis toolow.
* NO
TEEngi nedama gecau sed bydriving withinsuf ficie ntengi neoil #
Avoid long journeys wit hins ufficie ntengi neoil. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions.Do notcontinu edr ivi ng. Disp
lay mess ages and warning/ indic ator lam ps 37
7

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Switc hof fth eengine. #
Add1.1 US qt(1l)of engine oil(/ page25 4). #
Che cktheengine oilleve l.
No teson engine oil(/ page326).
00B3
Engine OilPressure Stop
Switch OffEngine *T
heoilpressur eis toolow.
* NO
TEEngi nedama gecau sed bydriving withinsuf ficie ntoil press ure #
Avoid driving withinsuf ficie ntoil press ure. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions.Do notcontinu edr ivi ng. #
Consul ta qu alif ied spec ialistwo rkshop.
00B3 Engine OilLevel Cannot Be
Measured *T
heelectr icalconn ection totheoil leve lsen sor has been interru pte dor theoil leve lsen sor isfaulty . #
Con sult aqu alif ied spec ialistwo rkshop. 37
8
Display messa gesand warning/ indic ator lam ps

Wa
rning and indicat orlam ps Ov
ervie wof indicat orand warning lam ps Som
esy stems willperform aself -tes twhen the
ignit ionisswitc hedon.Som eindic ator and
wa rning lam psma ybr ief lylight uporflash. This
beha viorisno n-cr itical. Thes eind icat orand
wa rning lam psindic ateamalfun ction onlyif th ey
light uporflash afte rth eengine hasbeen star‐
te dor dur ing ajour ney.
Ins trum ent Disp lay(s tand ard) Wi
des cree nCo ckpit Instru men tDi spl ay Dep
endingonthedispla yse tting, theposition s
of theindicat orlam pson theIns trument Display
ma ydif ferfr om theex am ple shown.
Indi catorand warning lam ps:
0075 Re
stra int system (/ page380)
00E9 Seat
belt(/page380)
Ù Powe rst eer ing (/ page38 1)
ÿ Ve
hicl eswith aWi des cree nCo ck‐
pit :cool anttemp eratur e
(/ page382)
00B9 Chec
kEn gine (/page382) 003D
Elect
rical mal functi on(/ page 382)
00D4 Re
ser vefuel withfuel filler flap loca‐
tio nind icat or(/ page38 2)
0049 US
A:elec tric par kingbr ak e(red)
(/ page38 6)
0024 Canada:
electric par kingbr ak e(red)
(/ page38 6)
0024 Ele
ctric pa rking brak e(yello w)
(/ page386)
00C6 US
A:Recup erati ve Brak eSy stem
(/ page386)
004D Canada:
brak es (yello w)
(/ page386)
0027 US
A:brak es (red) (/ page386)
004D Canada:
brak es (red) (/ page386)
L Distance warning (/ page389 )
0025 AB
S(/ page390)
00E5 ESP®
(/ page390 )
00BB ESP®
OFF (/page390 )
0077 Ti
re pressur emonit oring system
(/ page392) Displa
ymessag esand warning/ indic ator lam ps 37
9

0060
Pa
rking lam ps(/ page10 9)
0058 Lo
wbe am (/ pag e10 9)
0057 Hi
gh beam (/ page11 0)
003E003D Tu
rn signal lights(/page11 0)
005E Re
ar foglight (/page10 9) Occ
upant safety Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0075 Re stra int system warning
lam p *T
he redre stra int system warning lam pis lit while theengine isrunning .
The restra int system ismalfunct ioning(/page37 ). &
WA RNIN GRisk ofinju rydue tomalfu nctions inthere stra int system
Com ponen tsinthere stra int system maybe activ ated unint entionally ornotdeplo yas planned inan acciden t. #
Have there stra int system checkedand repair edimmediat elyataqu alif ied spec ialistwo rkshop. #
Drive on car efully . #
Notethemessag eson themultifunc tiondispla y. #
Con sult aqu alif ied spec ialistwo rkshop immediat ely. 380
Displa ymessag esand warning/ indic ator lam ps

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
00E9 Seat beltwarning lam p
fl ashes *T
he redseat beltwarning lam pflashes andanintermit tent wa rning tone sou nds.
The driver or front passe nger hasno tfa stened his/her seatbeltwhile theve hicle isin mo tion. #
Fasten your seat belt(/page40 ).
Ther ear eobj ect son thefront passeng erseat. #
Remo vetheobjec tsfrom thefront passeng erseat.
00E9
Seat beltwarning lam p
light sup *T
he redseat beltwarning lam plight sup forsix seconds oncetheengine hasstar ted.
In addition, anintermitt entwarning tone maysou nd.
The redseat beltwarning lam pre minds thedr iver and front passeng ertofasten their seat belts. #
Fasten your seat belt(/page40 ).
If yo uha ve placed objectson thefront passeng erseat, there dseat beltwarning lam pma yre main lit. Ve
hicl e Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
Ù Po we rst eer ing warning
lam p(red) *T
he redpo we rst eer ing system warning lam pis lit while theengine isrunning .
The powe rassi stanc eor thesteer ing itself ismalfunct ioning. &
WA RNIN GRisk ofacci dent ifsteer ing capability isim pair ed
If th esteer ing does notfunc tion asintended, theve hicle's operating safetyis jeopar dized. Di
spla ymes sagesand warning/ indic ator lam ps 38
1

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions #
Pull overand stop theve hicle safely assoon aspossible, paying attention toroad and traf fic condi tions.Do
no tcontinu edr ivi ng und eranycir cums tances. #
Consu ltaqu alif ied spec ialistwo rkshop. #
Notethemessag eson themultifunc tiondispla y. Engine
Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
ÿ Coolant warning lam p(red) *T
he redcoolant warning lam pis lit while theengine isrunning .
Po ssible causes:
R The temp eratur esensor ismalfunct ioning
R The coolant leve lis toolow
R The airsuppl yto thera diat orisobs truct ed
R The radiat orfanis faulty
R The engin eco olan tpum pis faulty
If th er eis an additional warning tone, thecoolant temp eratur ehas exceeded themaximum permissible temp eratur e. 382
Displa ymessag esand warning/ indic ator lam ps