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

1
Steer ing wheel gearshif tpaddles →
140
2 Comb inationswit ch →
110
3 Instrument display →
202
4 DIRECT SELECT leve r →
137
5 Start/ stop butt on →
126
00D6 ECOstar t/ stop funct ion →
133
6 Media display →
208
7 Climat econt rolsy stems →
121
8 002F Hazardwa rning light system →
111
9 PASSENGER AIRBAGind icat orlam ps →
47
A Glovebox →
100
B Stor ag ecom partmen t →
100
C Cup holder
D 0063 Controller forvo lume andswitc hing
sound on/off →
208
00D0 Switches theMBUX multimedia system
on/ off →
208 E
z Callsupnavig ation →
210
F | Callsupradio ormedia →
210
G 002B Callsupthete lephon e →
210
H ß Callsupfavo rite s →
210
I y Callsupvehicle functions →
210
J c ActivePa rking Assist →
196
K DYNA MIC SELE CTswitc h →
135
L Touc hpad →
210
M Control pan elforth eMBUX multimedia sys‐
te m →
203
N Adjus tsthesteer ing wheel →
95
O ý Switchesthesteer ing wheel heater
on/ off →
95
P Contr olpanel:
On- boar dcom puter →
203
Cr uise control →
161
Ac tiveDis tance AssistDIS TRONI C →
164 At
aglanc e– Coc kpit 7

Obser
vewhen stopping orpar king &
WARNIN GRisk ofacci dent andinjury
due tochildr enleftunat tende din the
ve hicle
If ch ildr enarelef tunsuper visedintheve hi‐
cle, they cou ld,in pa rticular :
R Open doors,ther eb yendang ering other
per sons orroad user s.
R Getout and bestru ck byoncom ingtraf‐
fi c.
R Ope rate vehicle equipment andbecome
tr apped, forex am ple.
In addit ion,th ech ildr encould alsosetth e
ve hicle inmo tion, forex am ple by:
R Releasing thepar king brak e.
R Changing thetra nsmiss ionposition .
R Startin gth eve hicle. #
Neverlea vechildr enunat tende din the
ve hicle. #
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. #
Keep theve hicle SmartKey out ofreac h
of childr en. &
WARNIN GDang ertolife due toexpo‐
sur eto extreme heat or col din theve hi‐
cle
If people, particular lych ildr en, areex posed
to extreme temp eratur esove ran extende d
pe riod oftime, ther eis arisk ofser ious
injur yor dang ertolife. #
Neverlea veper sons, childr eninpar tic‐
ular ,unat tende din theve hicle. Ov
ervie wof suitable seatsintheve hicl efo r
ins talling ach ild restra int system Lef
t/right rear seat
Pr efer redsecur ingsystem:
® LATC H-type (ISOFIX )ch ild seat anchor ¯
Alsosecur eTo pTe ther ifpr esent
(/ page58).
Alt ernativ esecur ingsystem:
0076 Ve
hicle seatbelt
Fr ont passeng erseat
Sec uring system:
0076 Ve
hicle seatbelt
Be sureto obser ve:
R Ifth efront passeng erseat isoccupied,
ensur e,bo th bef oreand during thejour ney,
th at thest atus ofthefront passeng erairbag
is cor rect forth ecur rent situa tion
(/ page 47).
R Observeth eno teson aut omatic front
passeng erairba gshut off(/ page45)
Cent errear seat
Secur ingsystem:
0076 Ve
hicle seatbelt
¯ Alsosecur eTo pTe ther ifpr esent
(/ page58). Occ
upant safety 55

#
Press DYNA MIC SELE CTbutt on2.
The DYNA MIC SELE CTmenu appear sin the
multifu nctiondisplay. #
Press DYNA MIC SELE CTbutt on2 again.
The chosen drive pr ogr am appear s. Conf
iguringDYNA MIC SELECT (multimedia
sy stem) Multi
media system:
4 © 5
Set ting s5
Vehicle
5 DYNA MICSELECT
Se tting drive pr og ram I #
Select IndividualCo nfiguratio n. #
Select and seta cat egory.
Switc hingthere stor ation disp layon oroff #
Swit chReques tat Start onoroff.
Fu nction on:thene xt time theve hicle isstar ted
a pr om ptappear sask ing whe ther thelas tactiv e
dr ive pr og ram shou ldbe restor ed. Ifth eEC O
st ar t/ stop funct ionwasdeactiv ated, anaddi‐
tional prom ptappear sask ing ifth efunc tion
should remain deactivated.
% The prom ptappear son lyifth epr ev iousl y
act ive se ttings deviat efrom thest andar d
se tting s.
Fu nction off:thene xt time theve hicle isstar‐
te dth eA drive pr ogr am issetaut omaticall y.The
ECOstar t/ stop funct ionisactiv ated aut o‐
matically .
% This funct ionmus tbe activ ated foreac huser
pr ofile sepa rately.Only when this func tion is
act ivat ed will thedr ive pr og ram and Eco
st ar t/ stop setting forth epr ev ious journey
be save dfo rth ere spectiv euser profile. Displa
yingvehicl edata Mul
timedi asy stem:
4 © 5
Info #
Select Vehicle.
The vehicle datais displa yed. Displa
yingengine data Multimedia
system:
4 © 5
Info #
Select Engine.
The engine datais displa yed. 13
6
Driving and parking

R
ESP ®
(E lectr oni cSta bility Program)
(/ page15 4)
R ESP ®
Cr ossw indAssis t(/ page15 5)
R EBD (Ele ctroni cBra keforc eDis tribution)
(/ page15 5)
R STEER CONTR OL(/ page 156)
R HOLD function (/page15 6)
R Hill StartAs sis t(/ page15 7)
R Start-of fassis t(/ page15 7)
R ATTENTION ASSIST(/ page15 8)
R Cruis econtr ol(/ page 160)
R Traf fic Sign Assist(/ pag e17 8)
R Sus pens ion wi th adap tivedam pingadjus t‐
men t(/ page18 4)
Dr ivin gAss ista nce package
The follo wing functionsar epar tof theDr iving
Assis tance Packag e. Cer tain func tionsar eonl y
av ailable insom ecoun tries. Som efun ction sar e
also available without theDr iving Assistance
Pa ckag e, albeit withre strict ed functi onality. R
ActiveDis tance AssistDIS TRONI C
(/ page 162)
R ActiveSpe edLimi tAssi st(coun try- depend‐
ent )(/ page16 6)
R Route-based speedadap tatio n(co untr y-
dependen t)(/ page16 7)
R ActiveBr ak eAssi st(/ pag e17 3)
R ActiveSt eer ing Assis t(count ry-de pende nt)
(/ page 168)
R ActiveEmerg encyStop Assis t(countr y-
dependen t)(/ page17 0)
R ActiveLa ne Chang eAssi st(coun try- depend‐
ent )(/ page17 1)
R Blind Spo tAssi stand ActiveBli nd Spo tAssi st
wit hex itwa rning (/ page18 0)
R ActiveLa ne Keeping Assist(/ page18 2)
Pa rking Packag e
R Rear vie wcam era(/ page18 5)
R Surround viewcam era(/ page18 7)
R Parking AssistPA RK TRONI C(/ page18 9)
R ActivePa rking Assist(/ page19 4) Fu
nction ofABS The
Anti-loc kBr ak eSy stem (ABS )re gulat esthe
br ak epr essur ein critical driving situation s:
R Dur ing braking, e.g.atfull brak eapplication
or insuf ficie nttiretracti on, thewheels are
pr eve nted from lock ing.
R Vehicle steer ability whilebraking isensur ed.
If ABS interve nes when braki ng, youwill feel a
pulsing inthebr ak epedal. Thepulsating brak e
pedal canbeanindicat ionofhazar dous road
con dition sand canserveas are minder totake
ex tra car ewh ile dr ivi ng. Fu
nction ofBA S The
Brak eAssis tSy stem (BAS )suppor tsyour
eme rgency braking situation withadditional
br ak efo rc e.
If yo udepr essthebr ak epedal quickl y, BA Sis
acti vated:
R BASau tomatical lyboos tsthebr ak epr es‐
sur e.
R BAScan shorten thebr aking distance. Dr
iving and parking 15
3

select
thecor responding transmission posi‐
tion.
Ve hicl eswith automatic transmiss ion:
The vehicle drives intoth eselect edpar king
space.
% During thepar king procedur ewit hAc tive
Pa rking Assist, th elane marking sar edis‐
pla yedin green inthecamer aimag e.
On com pletion ofthepar king procedur e,the
Ø Parking AssistFinished, TakeContro lof
Vehicle displaymessag eappear s.Fu rther
maneuv ering mayst ill be nec essar y. #
Aftercom pletion ofthepar king procedur e,
saf eguar dth eve hicle agains tro lling away.
When requ ired bylegalrequ iremen tsor local
con dition s:tur nth ewheels towa rdsth ecurb.
% Youcan stop theve hicle andchang eth e
tr ans missi on positio ndu ring thepar king pro‐
cedur e.The system then calculat esane w
ve hicle path.Ifno newvehicle pathis availa‐
ble, thesy stem can chang eth etransmission
position again orcanc elthepar king proce‐
dur e. Exiting
apar king space withAc tiv ePa rking
Assis t
Re quirement s:
R The vehicle hasbeen parkedwit hAc tive
Pa rking Assist.
% Depe ndingon theve hicle's equipment, the
butt onmayalso belocat edatadif fere nt
po sitio non thecent ercon sole.
Please note that youar ere sponsible forth eve hi‐
cle and surround ingsdur ing theent ire par king
pr ocedur e. #
Startth eve hicle. #
Press butt on1.
The media displaysho wsthevie wof Active
Pa rking Assist. Dr
ivin gand parking 19
7

The
follo wing settings arere se twhen carwash
mode isdeactiv ated:
R The outside mirrors arefo lded out.
R The rain sen sor isact ivat ed.
R The rear wind owwiper isact ivat ed.
R The aircon ditionin gsy stem issetto fresh air
mode.
R Parking AssistPA RK TRONI Cis rese tto the
pr ev iousl yselec tedse tting.
R Vehicl eswith surround viewcamer a:the
fr ont imageisdeact ivat ed atspeeds above
11 mp h(1 8 km/h). Ac
tiv atin g/deac tivatin gaut omati ccar wash
mode Re
quirement s:
R The vehicle isstatio nary.
R The engine isrunning . Mu
ltimed iasystem:
4 © 5
Set ting s5
Quick Access
Ac tiv atin gaut omati ccar wash mode #
Select AutomaticCarWash Mode. #
Select Start .
If one ofthese ttings cann otbe select ed,this is
displa yedby a% behindth ere spectiv ese t‐
ting.
% Foran overvie wof these ttings made when
activ ating automatic carwash mode
(/ page25 7).
Deactiv atingautomatic carwash mode #
Select Stop.
The automatic carwash settin gsarere se t.
% The automatic carwash mode isaut omati‐
cally deactiv ated assoon asaspeed of
12 mp h(20 km/h) isexc eeded. No
teson using apo we rwa sher &
WARNIN GRisk ofan acci dent when
us ing powe rwa sher swit hro und -spr ay
nozzl es
The waterje tcan caus eex tern all yin visi ble
damag e.
Com ponentsdamag edinthis wa yma yune x‐
pec tedly fail. #
Donotuse apo we rwa sher withro und -
spra yno zzles. #
Have damag edtires orchassis parts
re placed immediat ely. To
avo iddamag eto your vehicle, observethefo l‐
lo wing when usingapo we rwa sher :
R The Smar tKey isat amin imum distance of
10 ft(3 m) away from theve hicle. Other wise,
th etrunk lidcould openunintentionally .
R Maint ainadis tance ofat leas t11 .8 in
(30 cm) totheve hicle.
R Vehicl eswith decorativ efo il: par tsof your
ve hicle areco veredwit hadecor ativefo il. Maint
enanceand care259

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Pull overand stop theve hicle safely assoon aspossible, paying attention toroad and traf fic condi tions.
Do notcontinu edr ivi ng und eranycir cums tances. #
Consu ltaqu alif ied spec ialistwo rkshop. Ù
Steering Malfunction See
Operator's Manual *T
heelectr icsteer ing lockis malfunct ioning.Thesteer ing maybe lockedby theelectr icsteer ing lock. &
WARNIN GRisk ofacci dent ifsteer ing capability isim pair ed
If th esteer ing does notfunc tion asintended, theve hicle's operating safetyis jeopar dized. #
Pull overand stop theve hicle safely assoon aspossible, paying attention toroad and traf fic condi tions.
Do notcontinu edr ivi ng und eranycir cums tances. #
Consu ltaqu alif ied spec ialistwo rkshop. #
Pull overand stop theve hicle safely assoon aspossible inaccor dance withth etra ffic con dition s.Do notcon ‐
tin ue drivin gunder anycir cums tances. #
Consu ltaqu alif ied spec ialistwo rkshop.
û Before Startingthe Engine,
Turn Steering Wheel *T
heelectr icsteer ing lockcould notunloc kth esteer ing. #
Switc hof fth eignition . #
Tounlo ckthesteer ing, movethesteer ing wheel slightlyto thelef tand right. #
Switc hth eignition backon. 34
2
Dis play messa gesand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Close thetrunk lid.
00B2
Check Washer Fluid *T
hewasher fluid leve lin thewa sher fluid reser voirhas dropped belowtheminimum. #
Addwa sher fluid (/ page25 6). Engine
Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
To switch engine off,press
and hold Start/S topbut-
ton foratleast 3secon ds
or press 3times. *Y
ouhave pressed thest ar t/ stop butt onwhile theve hicle isin mo tion. #
Information aboutswitchingoffth eengine whiledriving (/page12 6).
00BD
Che ckCoo lant Level See
Opera tor'sManu al *T
hecoolant leve lis toolow.
* NO
TEEngi nedama gedue toinsuf ficie ntcool ant #
Avoid long journeys wit hins ufficie ntcool ant. #
Addcoolant (/page255 ). 34
4
Dis play messa gesand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
To Deselect Por N,
Depress BrakeandStart
En gine *
Yo uha ve attem pte dto shif tth etra nsmiss ionout ofpar kposition 005Dorneutral 005Cand intoano ther tra nsmiss ion
position . #
Depr essthebr ak epedal. #
Startth eengine. #
Chang eth etra nsmiss ionposition .
Apply Braketo Shift toDor
R *
Youha ve attem pte dto select transmission position005Bor005E. #
Depr essthebr ak epedal. #
Select transmiss ionposition 005Bor005E.
Apply Braketo Shift to'R' *
Youha ve attem pte dto select transmission position005E. #
Depr essthebr ak epedal. #
Select transmiss ionposition 005E.
Driver 'sDoor Open &
Transm issionNotinPRisk
of Vehicle RollingAway *
The driver's door isno tfully closed andtransmiss ionposition 005B,005Eorneutr al005C isselect ed. #
Select parkposition 005Dwhen switchingoffth eve hicle.
N Permanent lyAct ive Risk
of Rolli ngAway *
While theve hicle isrolling orwhile youar edr ivin g,ne utral 005Chas been engage d. #
Tostop, depr essthebr ak epedal. #
Shif tth etra nsmiss iontopar kposition 005Dwhile theve hicle isstatio nary. #
Tocontinu edr ivi ng, select transm ission position 005B or005E. Disp
lay mess ages and warning/ indic ator lam ps 34
7

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