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

#
Alw ayspa ycar eful attention tothetra f‐
fi c situ ation; donotre ly on Drive Aw ay
Assi stalon e. #
Beprepar edtobrak eor sw erve as nec ‐
essar y,prov ided thetra ffic situat ion
per mitsand that itis saf eto take eva‐
siv eact ion. Dr
ive Aw ayAssi stisonl yan aid. Itis no ta sub‐
st itut efo ryo ur att entio nto thesur round ings.
The responsibili tyforsaf emaneu vering and
pa rking remains withyo u. Mak esur eth at no
per son s,anim alsorobj ect set c. arein the
maneu vering rang e.
A risk ofacollision mayar ise inthefo llo wing sit‐
uation s,forex am ple:
R Ifth eaccelera torand brak epeda lsaremix ed
up.
R Ifan incor rect transm ission position is
eng aged.
Dr ive Aw ayAssi stisact ive under thefo llo wing
con dition s:
R IfPa rking AssistPA RK TRONI Cis act ivat ed. R
Ifyo ushif tth etra nsmiss ionposition to005E or
005B when theve hicle isstatio nary.
R Ifth ede tected obs tacle isless than appr ox.
3.3 ft(1.0 m) away.
R Ifth emaneuv ering assis tance func tionis
acti vatedin themultimedia system.
Sy stem limit s
The perform anc eof Drive Aw ayAssi stislimit ed
on inclines .
% Also obser vethesy stem limits ofParking
Ass istPA RK TRONI C(/ page18 9).
Fu nction ofCross Traf fic Aler t
% Cross Traf fic Aler tis only available forve hi‐
cles withBlind SpotAssis tor ActiveBli nd
Spo tAssi st.
Cr oss Traf fic Aler tcan warndriver sof anycr oss‐
ing traffic when backingup and mane uvering out
of apar kingspace. Theradar sensor sin the
bum peralso monit orthear ea adjacen tto the
ve hicle. Ifacr itical situation isde tected, the
L symbol appearsinthemedia displayand
th eve hicle canbebrak ed aut omatically . If
th era dar sensor sar eobs truct edbyvehicles
or other object s,de tection isno tpos sible.
Cr oss Traf fic Aler tis acti veund erthefo llo wing
con dition s:
R Ifth eve hicle isbac king upatwa lkin gpace.
R Maneuv ering assis tance isacti vated
( / pag e19 9).
% Alsoob ser vetheins truction son Blind Spot
Assis tand ActiveBli nd Spo tAssi st
( / pag e18 0).
Sy stem limit s
Cr oss Traf fic Aler tis no tav ailable onincline s.
Ac tiv atin g/deac tivatin gthe mane uvering
ass ista nt
Mu ltimed iasystem:
4 © 5
Set ting s5
Assist ance
5 Camera &Parkin g #
Switc hManeuverin gAssist anceonoroff.
% The maneuv ering assis tant mu stbe activ e
fo rth efunc tion ofDrive Aw ayAssi st
( / pag e19 8) andCr os sTr af fic Aler t
(/ page 199). Dr
iving and parking 19
9

Ve
hicl eto wing instruct ions
The vehicle isno tsuit able forth euse oftow bar
sy stems that areused forflat towing ording hy
to wing, forex am ple. Attach ing and using tow bar
sy stems canlead todamag eon theve hicle.
When youar eto wing ave hicle withto w bar sys‐
te ms, safedr iving charact eristic scan notbe
guar anteed forth eto wing vehicle ortheto we d
ve hicle. Thevehicle-tr ailercombination may
sw erve from side toside. Complywithth eper‐
mitt edtowing methods (/page27 8) and the
ins truct ions forto wing withbo th axle son the
gr ou nd (/ page 279). 200
Driving andparking

No
teson theIns trum ent Displa yand on-
boar dcom puter &
WARNIN GRisk ofacci dent dueto an
In stru ment Displa ymalfu nction
If th eIns trument Displayhas failed ormal‐
func tioned,thefunc tion restrictions applying
to saf etyre leva nt systems areno tvisible.
The oper ating safetyof your vehicle maybe
im pair ed. #
Drive on car efull y. #
Have theve hicle checkedimmediat ely
at aqu alif ied spec ialistwo rkshop. &
WARNIN GRisk ofdist ra ction from infor‐
mati onsystems andcomm unication s
eq uipment
If yo uoper ateinf ormat ionand comm unic a‐
tio neq uipme ntintegratedin theve hicle
when driving, youwill bedistract ed from the
tr af fic situ ation. Thiscou ldalso cau seyouto
lose control of theve hicle. #
Onlyoper ateth is eq uipmen twhen the
tr af fic situ ation per mits. #
Ifyo ucan notbe sur eof this, stop the
ve hicle whilstpa ying attention toroad
and traffic condi tions andoperate the
eq uipment withth eve hicle statio nary. *
NO
TEMercede s-AMG vehicles #
Obser vetheno tesin theSupplement .
Yo uco uld other wise failto recogni ze
da ngers. Yo
umus tobse rveth eleg alrequ iremen tsforth e
cou ntryin whi chyouar ecur rentl ydr ivi ng when
op erati ng theon- boar dcom puter.
The on-boar dcom putersho wsonlydispla ymes‐
sag esand warnings from spec ific systems on
th emultifunc tiondispla y.Yo umus tth er efor e
ensur eth at your vehicle isalw aysre liable.
If th eoper ating safetyof your vehicle is
im pair ed,parkth eve hicle immediat elyand
saf ely. Con tact aqu alif ied spec ialistwo rkshop. Ins
trument Displayand on-boar dcom puter 20
1

Ins
trum ent displa yove rview 1
Displa ycon tent on left (exa mp le:speedom e‐
te r): spee dome ter/time/dat e/tripcom puter
From StartandFrom Reset/rang e/au dio
The segments onthespeedome terindica te
th est atus ofthefo llo wing systems: cruise
con trol/limit er/Active Dis tance Assist
DIS TRONI C
2 Outside temp eratur e 3
Digit alspeedome ter
4 Time
5 Displa ycont entonright (exa mp le:tac home‐
te r): tach ome ter/a verage fuel
consum ption/ ECOdispla y/navigation /G-
me ter/assi stanc edispla y The
fuel suppl ywill beinterru pted toprotect
th eengine whenthere dmar kon theta ch ‐
ome ter(o ve rrev ving rang e) isreac hed.
6 Inde xpoin ts
Thes esho wtheselect eddispla yor menu
con tent.
7 Coolant temp eratur edispla y 202
Instrument Displayand on-boar dcom puter

Dur
ing normalop erati on, thecoolant tem‐
per atur edisp lay is per mitt edtorise to
24 8°F (120°C).
Ve hicles with48 Von-boar delectr icalsys‐
te m: POWER andCHARGE displ ay(elect rical
dr ive su ppo rtand recup erati on powe rof the
electr icmo tor)
8 Select eddrive pr ogr am
9 Select edtransmiss ionposi tion
A Multifunction display (e xa mp le:standar ddis‐
pla yfo rtr ip) :Assis tance/T elep hone /Naviga‐
tion /Trip/Media/R adio/Stylesanddis‐
pla ys/Ser vice
B Fuelleve l,fuel filler flap locatio nind icat or,
ra ng e Ov
erview ofthebut tons on thest eer ing
wheel 1
P Back/Hom ebutt on(press and hold),
on- boar dcom puter
2 Touc hCon trol, on-bo ardco mp uter
3 Con trol pan elforcr uis econtr olor Active
Dis tance AssistDIS TRONI C 4
Contr olpa nel forth eMBUX multimedia sys‐
te m (/ page208)
£ Voice Cont rolSy stem
5 00E2 Tocal lup thehome screen ofthemul‐
timedia system
6 Touc hCon trol mult imed iasystem
7 0038 Backbutt on(multimedia system)
8 Brightn esscontrol to adjus tth elighting in
th eIns trument Displayand inthecon trol
element sof theve hicle interior Oper
ating theon-boa rdcom puter
Obser vetheleg alrequ iremen tsforth ecount ry
in whic hyo uar ecur rently drivi ng when operat‐
ing theon- boar dcom puter. Ins
trument Displayand on-boar dcom puter 203

The
on-boar dcom puterisoper ated using the
lef t-hand Touc hCon trol and thelef t-hand back/
home button.
When theon- boar dcom puterisbeing operated,
dif fere nt aco ustic signa lswillsou ndasoperati ng
fe edbac k,e.g. when theend ofalis tis reac hed
or when youar esc rolling thro ugh alis t.
The follo wing menusareav ailable:
R Assist anc e
R Phon e
R Navi gation
R Trip
R Radio R
Media
R Design s& Dis p.
R Service
% Youcan find informa tionab ou tth epossible
se ttings andselect ionsonthemenus inthe
Dig ital Op erator' sMa nua l. #
Tocall upthemenu bar:press thelef t-hand
bac kbutt onuntil themenu barisdispla yed.
% Ve
hicl eswithout Activ eDi stance Assist
DI ST RO NIC :pr ess the00E2 buttontocal l
up themenu baroftheon- boar dcom puter. #
Toscr ollinthemenu bar:swipe leftor
ri ght onthelef t-hand Touc hCon trol. #
Tocall upamen u,sub men uor poss ible
se ttings onthemenu ,or conf irm aselec‐
tion orsetting: press thelef t-hand Touc h
Con trol. #
Toscr ollthrough displa ysorlists on the
menu ,or select displaycont ent,afun c‐
tion, anentr yor adisp lay: swipe upwards
or down wardson thelef t-hand Touc hCon ‐
tr ol. #
Toexitasubm enu:press thelef t-hand back
butt on.
Selecting theHead -upDispla y #
Toswitc hon theHead -upDispla y:switc h
on theHead-up Displayvia themultimedia
sy stem oractiv ateit in themenu barbyswip‐
ing upw ards on thelef t-hand Touc hCon trol.
The Head -upDisplaymen uwill besele cted
on theHead-up Display. #
Toswitc hto theHead -upDispla y:press
th elef t-hand Touc hCon trol or swipe
upw ards on thelef t-hand Touc hCon trol. #
Tosetth eth reedisp layra ng es ofthe
Head -upDispla y:swipe upwards ordown‐
wa rdson thelef t-hand Touc hCon trol.
Fu ll-scr eenmenu s
Ve hicl eswith aninstrument displayin the
widescr eencockpit:th efo llo wing menuscan
be sho wnfull-s creen ontheins trument display:
R Assist ance
R Trip 20
4
Instrument Displayand on-boar dcom puter

#
Onthecor responding menu,usethelef t-
hand Touc hCon trol to scr olltotheend ofthe
lis t. #
Press thelef t-hand Touc hCon trol.
The selected men uwill bedispl ayedfull-
scr een. Ov
ervie wof what issho wnonthemu lti‐
fun ction display
Dis playson themultifunc tiondispla y
u ActivePa rking Assist(/ page19 6)
é Parking AssistPA RK TRONI Cdeac tiva ted
( / pag e19 3)
h Cruis econtr ol(/ page 160)
ç ActiveDis tance AssistDIS TRONI C
(/ page 162)
ê ActiveBr ak eAssi st(/ pag e17 3)
à ActiveSt eer ing Assis t(/ page16 8)
00B0 Ac
tiveLa ne Keeping Assist(/ page18 2)
± ActiveLa ne Chang eAssi st(/ pag e17 1)
00D6 ECO
star t/ stop funct ion(/ page13 2) 00D9
HO
LD functio n(/ page 156)
00CE Ad
aptiveHig hbeam Assis t(/ page11 2)
Ve hicl eswith Traf fic Sign Assis t:De tected
ins tructi ons and traf fic sig ns (/ page 178). He
ad-upDi spla y Fu
nction oftheHead -upDispla y *
NO
TEMer cedes-AMG vehicles #
Obser vetheno tesin theSupplement .
Yo uco uld other wise failto recogni ze
da ngers. The
Head-upDisp lay pr ojects thefo llo wing infor‐
matio nint oth edr iver's field ofvision abovethe
coc kpit, forex am ple:
R The vehicle speed
R Information from thena vig ation system
R Information from thedr iving systems and
dr iving safetysy stems
R Some warning mess ages Depe
ndingon theve hicle's equipment, differe nt
cont entcan besho wnintheth re ear eas ofthe
Hea d-up Display (/ page 206).
Di spla yco ntent 1
Navig ation instructions
2 Current speed
3 Detected instructi ons and traf fic sig ns
4 Setspe edinthedr iving system (e.g. cruise
con trol) Ins
trument Displayand on-boar dcom puter 205

Sy
stem limit s
The visib ilityofthedispla yswill beaffect ed by
th efo llo wing condition s:
R Seat position
R Imag eposit ionsetting
R Ambient lightcondition s
R Wetro ad
R Objectson thedispla yco ver
R Polar izat ion insung lasses
% Inextreme sunli ght, sectio nsofthedispla y
ma yappear washed out.Youcan correct this
by deactiv atingandreact ivatin gth eHead-up
Displa y. Se
tting theHead -upDispla yusing theon-
boar dcom puter On-boar
dcom puter:
4 HEAD-UP DISPLA Y
The follo wing Head- upDisp lay se ttings ordis‐
pla yscan beselect edorsho wn:
R Position R
Brightness
R Messag es
R Assis tance status
R Telephon e
R Audio
R Voice Cont rolSy stem #
Toselect theSe ttings menu :swipe tothe
ri ght onthelef t-hand Touc hCon trol.
The Setting smen u5 will besele cted. #
Tocall uptheSe ttings menu :pr ess the
lef t-hand Touc hCon trol. #
Toadjus tth eposit ion:swipin gup ordown
on thelef t-hand Touc hCon trol. #
Toadjus tth ebr ight ness: swipe tothelef t
or right onthelef t-hand Touc hCon trol.
Se tting mes sages,assistance status, tele‐
phone, audioand theVo ice Contr olSy stem #
Press thelef t-hand Touc hCon trol.
The listof setting optio ns will bedispl ayed. #
Swipe upwards ordown wardson thelef t-
hand Touc hCon trol and selectase tting by
pr essing thelef t-hand Touc hCon trol.
Select ingwha tth eHead -upDispla ysho ws (Ex
am ple)
1 Toswitc hth eHead-up Displayon/ off
2 Leftdispla yar ea
Na vig ation system
Av erag econ sum ption
G-me ter
3 Centraldispl ayarea
Spe edom eter 206
Instrument Displayand on-boar dcom puter

Se
tspe edinthedr iver assis tance system,
e.g. cruise control
Wa rnings from driver assis tance systems,
e.g. distance warning
4 Right displa yar ea
Tr af fic Sign Assist
Assi stant displa y
5 Toconf igurethese ttings
6 Inde xpoint s
Displa yar eas 2to4 that areno tre qu ired can
be hidden .
% Inaudio mode, thest atio nnam eor trac kwill
be sho wntemp orarily when theaudio source
is being activelyoper ated. Inaddition, the
lat estcalls willbedispla yedwhen thete le‐
phon elis ton theIns trument Displayis
activ elyoper ated. #
Toselect adispla y:swiping upordown on
th elef t-hand Touc hCon trol. Swit
ching theHead -upDispla yon/of fvia the
mu ltim edia system Multi
media system:
4 © 5
Set ting s5
Quick Access #
Select HUD.
The Head-up Displayis activ ated. Ins
trument Displayand on-boar dcom puter 20
7

Ov
ervie wand oper ation No
teson theMB UX multim edia system &
WARNIN GRisk ofdist ra ction from infor‐
mati onsystems andcomm unication s
eq uipment
If yo uoper ateinf ormat ionand comm unic a‐
tio neq uipme ntintegratedin theve hicle
when driving, youwill bedistract ed from the
tr af fic situ ation. Thiscou ldalso cau seyouto
lose control of theve hicle. #
Onlyoper ateth is eq uipmen twhen the
tr af fic situ ation per mits. #
Ifyo ucan notbe sur eof this, stop the
ve hicle whilstpa ying attention toroad
and traffic condi tions andoperate the
eq uipment withth eve hicle statio nary. Yo
umus tobse rveth eleg alrequ iremen tsforth e
cou ntryin whi chyouar ecur rentl ydr ivi ng when
op erati ng themultimedia system. Ov
ervie wof theMB UX multim edia system 1
Touc hCon trol and contro lpanel forth e
MBUX multimedia system
2 Media displaywit hto uc hfun ction alit y
3 Touc hpad
4 Con troller
Tu rn:ad jus tsthevo lume Pr
ess brief ly:swi tches themut efunc tion
on/ off
Pr ess and hold: switchesthemultimedia sys‐
te m or media display on oroff
5 Butt ons forna vig ation, radio/media and
te lephon e
6 Buttons forve hicle functions/sy stem set‐
ting sand favo urites/ themes
Fu rther oper ating options:
R Conducting avo ice dialog withth eVo ice
Cont rolSy stem.
R Oper ating functionscon tact-free with the
MBUX Interior Assis tant.
% Youcan find further information aboutoper‐
ation aswellas about applicat ionsandserv‐
ices intheDigit alOper ator's Manual.
Anti-t heftpr otection
This devic eis eq uipped withte ch nica lpr ov ision s
to protect itag ains tth eft. Fu rther information on
pr otect ion agains tth eftcan beobt ained from an
aut hor ized Mercedes- BenzCenter. 208
MBUX multimedia system