2023 MERCEDES-BENZ A CLASS lane assist

Pa
rticular ly,ke ep thear eas around thesensor s
and camer asfree ofdir t,ice orslush
(/ page269). Thesensor sand camer asmust
no tbe coveredand thede tection rang es around
th em must bekept free. Donotat ta ch addit ional
licen seplat ebr ac ket,adv ertisem ents, stickers,
fo ils orfoils toprotect against stone chippings in
th ede tection rang eof thesensor sand camer as.
Mak esur eth at ther ear eno ove rhang ingloads
pr otru ding intoth ede tection rang e.
If th er eis damag eto abum perorthera diat or
gr ille, oraTer animpact, have thefunction ofthe
senso rscheckedat aqu ali/ed special istwo rk-
shop. Have damag eor stone chipping inthear ea
of thecamer ason thefront and rear wind ows
re pair edataqua li/ed specialist workshop. OvOv
er er
vie vie
wof dr w
of drivi ng syst ivi
ng systems anddr ems
anddrivi ng safe ivi
ng safety ty
sy st sy
stems ems
R
ABS(A An
ti-loc kB Bra
king S Sys
tem) (/ page157 )
R BAS (B Bra
keA A
ssis tS Sys
tem) (/ page157)
R ESP ®
(E Electr
onicS Sta
bility P Pro
gram)
(/ page157) R
ESP ®
Cr osswin dAssis t(/ page158)
R EBD (E Elect
ronic B Bra
keforc eD Distr
ibution)
(/ page159 )
R STEER CONTR OL(/ page159 )
R HOL Dfunct ion (/ page159 )
R HillSt artAssis t(/ page160 )
R Start-o. assis t(/ page161 )
R ATTEN TIONASSIS T(/ page161)
R Cruis econt rol(/ page163)
R Tra1c Sign Assis t(/ page180)
R Suspen sionwith adap tivedam pingadju stmen t
(/ page189)
Dr Dr
iving Assis t ivi
ng Assis tance pack ance
packag e ag
e
The follo wing functions arepar tof theDr iving
Assist ancePackag e. Cer tain functions areonl y
av ailabl ein some countries. Som efu nct ionsar e
also availabl ewit hout theDr iving Assist ance
Pa ckag e, albei twit hre str icte dfun ctionality .
R ActiveDist ance AssistDIS TRONI C
(/ page165) R
ActiveSpeed LimitAssist(countr y-dependent )
(/ page169)
R Route-based speedadaptation (countr y-
dependent )(/ page170)
R ActiveBr ak eAssi st(/ page175)
R ActiveSt eer ing Assist (countr y-dependent )
(/ page171)
R ActiveEmer gency Stop Assist (countr y-
dependent )(/ page173 )
R ActiveLane ChangeAssi st(countr y-depend-
ent) (/page174)
R Blin dSpo tAssist andActiveBlind SpotAssi st
wit hex itwa rning (/ page184)
R ActiveLane Keeping Assist (/page187)
P P
ar ar
king P king
Pac k ac
kag e ag
e
R Rear vie wcamer a(/ page189)
R Surround viewcamer a(/ page191 )
R Parking Assist PARK TRON IC(/ page194)
R ActivePa rking Assist (/page198) 156156
Dr
iving andparking

If
th eve hicle deviat esfrom thedir ection desired
by thedr iver ,ESP ®
can stabilize theve hicle by
int erve ning inthefo llo wing ways:
R One ormor ewheels arebr ak ed.
R The engineoutput isadap tedaccor dingtothe
situ ation .
ESP ®
is deacti vatedifth e00BB ESP®
OFF warn-
ing lamplights upcontinuousl yin theinst rument
clust er.
Obser vethefo llo wing points whenESP®
is deacti-
va ted:
R Driving stability willnolong erbe improve d.
R The drive wheels couldspin.
R ETS/4 ETStraction controlissti llactiv e.
% When ESP®
is deactiv ated, youar estill assis -
te dby ESP ®
when braking.
If th e00E5 ESP®
wa rning lamp0as hes inthe
inst rument cluster,one orseveralwheels has
re ac hed itsgrip limit:
R Adaptth edr iving styleto suit thepr ev ailin g
ro ad and weather cond itions. R
Donotdeact ivat eESP ®
und eranycir cums tan-
ces .
R Onlydep ress theacceler ator pedal asfaras is
necessar y.
It ma ybe bes tto deactiv ateESP ®
in thefo llo wing
situations:
R When usingsnowch ains.
R Indeep snow.
R Onsand orgrav el.
% Spinn ingthewheels result sin acutt ing
action ,whic henhan cestraction .
If th e00E5 ESP®
wa rning lamplights upcontinu-
ousl y,ESP ®
is no tav ailabl edue toamalf unct ion.
Obser vethefo llo wing information:
R Warning and indicat orlam ps(/ page386)
R Displa ymessa ges(/ page337)
ET ET
S/ 4ET S/
4ET S(Elect r S
(Elect roni cTr onic
Tractio nSy st actio
nSy stem) em)
ET S/ 4ET Stractio ncont rolis par tof ESP ®
and
mak esitpossible topull awayand accel erateon a
slip peryro ad. ET
S/ 4ET Scan improve theve hicle' stractio nby
int erve ning inthefo llo wing ways:
R The drive wh eels arebr ak ed indivi dually if th ey
spin .
R Mor edr ive to rq ue istransf erredto thewheel
or wheels withtraction.
In0 uence In0
uence ofdr of
driv iv
e pr e
pr og r og
rams onESP ams
onESP ® ®
The drive prog rams enable ESP®
to adap tto dif-
fe re nt we ather and road cond itions aswellas the
dr iver's prefer reddr iving style. Dependin gon the
select eddrive pr og ram, theappr opriateESP ®
mode willbeactiv ated. Youcan select thedr ive
pr og rams using theDY NAMI CSEL ECTsw itch
(/ page 138). FF
unction ofESP unction
ofESP ® ®
Cr Cr
ossw indAssist ossw
indAssist ESP
®
Cr ossw indAssist detects sudden gustsof
side wind andhelps thedr iver tokeep theve hicle
in thelane:
R ESP ®
Cr osswind Assistisactiv eat vehicle
speeds between appr ox.47 mph(7 5km /h)
an d12 5mp h(2 00 km/h)wh en drivi ng
str aigh tah eador cornering slightl y. 158158
Dr
iving andparking

R
IfAc tiveSt eer ing Assist isactiv ated and activ e
(/ page171).
R Ifth etime hasbeen setincor rectl y.
R Ifyo uch ang elane sand vary your speed fre-
qu entl yin activ edr iving situations.
The ATTEN TIONASSIS Tdr ow sine ssoraler tness
assessmen tis rese tand restar tedwhen continu -
ing thejour neyin thefo llo wing situations:
R Youswitc ho. theve hicle.
R Ifyo uunf asten your seat beltandopen the
dr iver's door (e.g.tochang edr iver sor take a
br eak).
Se Se
ttin gA ttin
gATTENTION ASSIST TTENTION
ASSIST
Multimedi asy stem:
4 © 5
Settings 5
Assistance
5 Attent ionAssist
Se Se
ttin gop ttin
gop tions tions
#
Select Standard, SensitiveorOff.
Sug g Sug
ges est
ing ar ting
ares est
ar t
ar ea ea
#
Select SuggestRest Area. #
Activateor dea ctivateth efunction .
If AT TEN TIONASSIS Tde tects fatigue or
incr easing lackof att ention, itsugg ests are st
ar ea inthevicinity . #
Select thesugg ested rest area .
Yo uar eguided totheselect edrest area . Spe
edcontr Spe
edcontrol cr ol
cruise contr ui
se control ol
FF
unc tion ofcr unc
tion ofcruise contr ui
se control ol
Cr uise control regula testh espeed totheva lue
select edbythedr iver .
If yo uacceler ateto ove rtak e, forex am ple, the
st or ed spee dis no tde lete d. Ifyo ure mo veyour
fo ot from theacceler ator pedal aTerovertaking ,
cr uise controlwill resume speed regula tion back
to thestor ed speed.
Yo ucan stor ean yspeed above15 mph
(20 km/h )up tothemaximum designspeed.
Obser vetheno teson drivi ng systems andyour
re sponsi bility;yo uma yot her wise failto recogn ize
dang ers(/ page155) . Mer Mer
cedes‑ cedes‑
AMGv AM
Gvehicles: ehicles:
Cruise controlis availa-
ble uptoamaximum speedof155 mph
(250 km/h ).
Displa y Displa
ys in t s
in the Ins he
Inst r tr
ument Display ument
Display
R h (gra y): cruise control issele cted but not
yet activ ated.
R h (gre en): cruise contr olisactiv e.
A stor ed speed appear salong withth eh dis-
pla y.
% The segm entsbetween thestor ed speed and
th eend ofthesegment displaylight upinthe
speedo meter.
Sy st Sy
stem limits em
limits
Cr uis eco ntrol maybe una ble to maint ainthe
st or ed spee don uphillgr adien ts.The stor ed
speed isresumed whenthegr adien tev ens out.
Chang eint oalowe rge ar ingood timeonlongand
st eep downhil lgr adien ts.Take par ticular note of
th is when driving aladen vehicle. Bydoin gso, you
will mak euse oftheengine' sbr aking e.ect.This
re lie vesth eload onthebr ak esy stem and pre-
ve nts thebr ak es from overheating andwearing
to oqu ickl y. Dr
iving andparking
163 163

#
Acceler ateth eve hicle tothedesir edspeed
and press rock er switc h1 upM.
A A
dop dop
ting ade t ting
ade tect ect
edspeed ed
speed #
Activatecr uise control. #
Ifatra1c signhasbeen detected and isdis-
pla yedin theinst rument cluster:select J
wit hth eleT rock er switc h.
The maximum permissible speedshownbythe
tr a1 csign isstor ed andth eve hicle maintains
or does notex ceed this speed.
Deactiv Deactiv
atingcr ating
cruise contr uise
contr ol ol
#
Select Owithth eleT rock er switc h.
Deactiv Deactiv
atingcr ating
cruise contr uise
contr ol ol
#
Select Nwithth eright rock er switc h.
% Ifyo ubr ak e, deactiv ateESP ®
or ifESP ®
int er-
ve nes, cruis econt rolis deactiv ated. AA
ctiv ctiv
eDist e
Dist ance Assis ance
Assist DIS t
DIS TR TR
ONIC ONIC
FF
unction ofA unction
ofActiv ctiv
eDist e
Dist ance Assis ance
Assist DIS t
DIS TR TR
ONIC ONIC
Ac tiveDist ance AssistDIS TRONI Cmai ntains the
se tspeed onfree-0o wingroads. Ifve hicles in fr
ont arede tected, these tdist ance ismaint ained,
if necessar y,until theve hicle comes toahalt. The
ve hicle acceler ates orbrak es depen dingon the
dist ance totheve hicle infront and these tspeed.
The speed anddistance totheve hicle infront are
se tand savedusing thesteer ing wheel.
Av ailabl espeed rang e:
R V V
ehi cleswit ehi
cleswit hou tDr hou
tDr iving Assist iving
Assistanc eP anc
ePac k ac
kag ag
e: e:
15 mph(20 km/h) -120 mph(2 00 km/h)
R V V
eh icle swi t eh
icle swi th Dr h
Dr iving Assist ivi
ng Assist an ce P an
ce Pac k ac
kag ag
e: e:
15 mph(2 0km /h)- 13 0mp h(2 10 km/h)
Ot he rfe atur esofActiveDist ance Assist
DIS TRONI C:
R Adjusts thedr iving styledepending onthe
select eddrive pr og ram (fuel- savin g,comf orta-
ble ordynamic)
R Initiat esacceler ationtothestor ed speed ifth e
tur nsigna lindica toris switc hedontochang e
to theove rtaking lane
R V V
ehicle swit ehicle
swit hDr h
Dr iving Assis t ivi
ng Assis tance P ance
Pac k ac
kag ag
e: e:
- Reacts tostat iona ry vehicles detected in
urban speed rang es (exc ep tbicy cles and
mo torc yc les) -
Take sone -sidedove rtaking restr iction s
int oac co unt onhigh wa ys oron multi-l ane
roads withsepar atero adw ays(coun try-
dependent )
V V
ehicles wit ehicles
withDr h
Dr iving Assist iving
Assist anceP ance
Pac k ac
kag ag
eand e
and
P P
ar ar
king P king
Pac k ac
kag ag
e: e:
ifth eve hicle hasbeen brak ed to
a st ands tillon mult i-lane, separ atero adw aysby
Ac tiveDist ance AssistDIS TRONI C,itcan auto-
mati callyfollo wtheve hicle infront when drivi ng
o. again within 30secon ds.Ifacr itical situ ation
is de tected when drivi ng o., avisual andacous tic
wa rning isgiv en indicating that thedr iver must
no wtake cont rolof theve hicle. Thevehicle isno t
acceler ated anyfu rther .
Obser vetheno teson drivi ng systems andyour
re sponsi bility;yo uma yot her wise failto recogn ize
dang ers(/ page155) . Dr
iving and parking
165 165

AA
ctiv ctiv
eDis t e
Dis tance Assis ance
AssistDIS t
DIS TR TR
ONIC display ONIC
displays in t s
in the he
Ins Ins
tr tr
umen tDispla y umen
tDispla y Assis
tance graphic
1 Route-based speedadaptation: typeofroute
ev ent (/ page170)
2 Vehicle infront
3 Distance indic ator
4 Setspe ci/ed dist ance
5 ActiveLane ChangeAssi stlane chang edis-
pla y P P
er er
mane ntst mane
ntstatus displa atus
display of A y
of Activ ctiv
eDis t e
Dis tance ance
Assis Assis
tDIS t
DIS TR TR
ONIC ONIC
R k (white):ActiveDist ance Assist
DIS TRONI Csele cted, spec i/eddist ance set
R k (whit eve hicle, greenspeedome ter):
Ac tiveDist ance AssistDIS TRONI Cacti ve,
speci/ed distance setand vehicle detected
R k (gre en): ActiveDist ance Assist
DIS TRONI Cacti ve,speci/ed distance setand
ve hicle detected
R r: Route-based speedadaptation active
( / pag e170).
The stor ed speed issho wnalong withth eper ma-
nent status displa yand highlight edon thespeed-
ome ter. When ActiveDist ance AssistDIS TRONI C
is pas sive,thespeed isgraye dout.
% Onhighw aysor high- speed major roads, the
gr een ç vehicle symbol isdispl ayedcy cli-
call ywhen theve hicle isready topull away.
% Ifyo udepr esstheacceler ator pedal beyond
th ese tting oftheAc tiveDist ance Assist
DIS TRONI C,thesy stem isswitc hedtopassiv e mode.
Theç Suspendedmessag e
appear sin theInstr ument Display.
Displa Displa
yon t y
on the speedome t he
speedome ter er
The stor ed speed ishighlight edon thespeedome-
te r. Ifth espeed oftheve hicle infront orthe
speed adjustment forth ero uteev ent ahead is
less than thestor ed speed, thesegments inthe
speedo meterlight up.The Instr ument Display
sho wsthedeactiv ationofActiveDist ance Assist
DIS TRONI C,as wellas alterations tothespeed
due tomanual oraut omatic adoptionofthemaxi-
mum permissible speed.
Sy st Sy
stem limits em
limits
The system maybe impair edorma yno tfunction
in thefo llo wing situations, forex am ple:
R Insno w,rain, fog, hea vyspr ay,if th er eis glar e,
in dir ect sunlight oringreatl yva rying ambient
light.
R The windshield inthear ea ofthecamer ais
dir ty,fo gg ed up, dam aged orcovered.
R Ifth era dar sensor sar edir tyor covered.
R Inpar king garage sor on roads withsteep
uphil lor downhil lgr adien ts. 166166
Dr
iving and parking

R
Ifth er ear enar row vehicles infront ,suc has
bicy cles ormo torc yc les.
In addition, onslipper yroads, braking oracceler -
ating cancause oneorseveralwheels tolose
tr action andtheve hicle could then skid.
Do notuse ActiveDist ance AssistDIS TRONI Cin
th ese situations. &
W W
ARNING ARNING
Riskofaccident from acceler a-
tion orbraking byActiveDist ance Assist
DIS TRONI C
Ac tiveDist ance AssistDIS TRONI Cma yacc el-
er ateor brak ein thefo llo wing cases ,fo r
ex am ple:
R Ifth eve hicle pullsawa yusin gAc tiveDis-
ta nce AssistDIS TRON IC.
R Ifth estor ed speed iscalled upand iscon-
sider ablyfa ster or slowe rth an thecur -
re ntl ydr iven spe ed.
R IfAc tiveDist ance AssistDIS TRONI Cno
long erdetects ave hicle infront ordoes
no tre act toreleva nt obje cts. #
Alwayscar efull yobser vethetra1c con-
ditions andbeready tobrak eat all
times. #
Take intoaccount thetra1c situation
bef orecalling upthestor ed speed. &
W W
ARNIN G ARNIN
GRisk ofaccident duetoinsu1-
cient deceler ationbyActiveDist ance
Assi stDIS TRONI C
Ac tiveDist ance AssistDIS TRONI Cbrak es your
ve hicle withupto50% ofthepossible deceler-
ation. Ifth is deceler ationisno tsu1cien t,
Ac tiveDist ance AssistDIS TRONI Caler tsyou
wit havisu aland acous ticwarning. #
Adjust your speed andmaint ainasuit a-
ble distance from theve hicle infront . #
Brak eth eve hicle yourself and/or take
ev asiv eactio n. &
W W
AR NIN G AR
NIN GRisk ofacciden tif de tection
fun ction ofActiveDist ance Assist
DIS TRONI Cis im pair ed
Ac tiveDist ance AssistDIS TRONI Cdoes not
re act orhas alimi tedre actio n:
R when drivi ng on adi.er entlane orwhen
ch ang inglane s
R topedest rians, anim als,bicycles orsta-
tio nar yve hicles, orune xpect edobs tacles
R tocom plextra1c condi tions
R tooncoming vehicles andcrossin gtra1c
As are sult ,Ac tiveDist ance AssistDIS TRONI C
ma yneit her givewa rnings norinterve ne in
suc hsitu atio ns. #
Alwaysobser vethetra1c conditions
car efull yand react accor dingly. OperOper
ating A ating
Activ ctiv
eDis t e
Dis tance Assis ance
AssistDIS t
DIS TR TR
ONIC ONIC
R R
eq eq
uir uir
ement s: ement
s:
R The electr icpar king brak eis released.
R ESP ®
is activ ated and isno tint erve ning. Dr
iving andparking
167 167

mum
permissible speedapplying toave hicle with
a trailer isno tde tected bythesy stem.
Ad just thespeed inthese situations. &
W W
ARNIN G ARNIN
GRisk ofaccident duetoActive
Speed LimitAssistada pting theve hicle' s
speed
The speed adoptedby ActiveSpeed Limit
Assi stma ybe toohigh orincor rect insome
indi vidu alcases, suchas:
R atspeed limitsbelo w12 mph(2 0km /h)
R inwe tcondi tions orinfog
R when towing atrailer #
Ensur eth at thedr iven speed complies
wit htra1c regula tions . #
Adjust thedr iving speed tosuit current
tr a1c andweather cond itions. FF
unct ionofr unct
ionofrout out
e-based speed adapt e-b
ased speed adaptatio n atio
n
When ActiveDist ance AssistDIS TRONI Cis acti va-
te d, theve hicle speed willbeadap tedaccor dingly
to thero uteev ents ahead. Depending onthedr ive
pr og ram select ed,theve hicle negotiat es aro ute ev
ent ahead inan economical, comfortable or
dynamic manner.When thero uteev ent has been
passed, theve hicle acceler ates again tothe
st or ed spee d. These tdi st an ce totheve hicle in
fr ont ,ve hicles detected ahead andspeed restr ic-
ti on sah eadar eta ke nint oac cou nt.
Yo ucan activ ateand deactiv atero ute-based
speed adaptation inthemultimedia system
(/ page171).
The follo wing routeeve nts are take nint oac cou nt:
R Cur ves
R T-int ersections, roundabouts andtollplazas
R Turnsand exits
R Tra1c jams ahead (onlywit hLiv eTra1c Infor-
matio n)
% When theto llst ation isreac hed, ActiveDis-
ta nce AssistDIS TRON ICado ptsth espeed as
th estor ed speed.
Also, thespeed isreduced ifth etur nsignal indi-
cat ortochang elane sis switc hedonand one of
th efo llo wing situations isde tected:
R Turning o.atintersections R
Driving onslowing-do wnlanes
R Driving onlanes adjacent toslo wing -down
lane s
The driver isresponsi bleforch oosing theright
spe edand observing other road user s.This
appli esinpar ticu lartointersections, roundabouts
and tra1c lights, asroute-based speedadaptation
does notbr ak eth eve hicle toast ands till.
When routeguidance isactiv e,the/r st speed
adjustmen tis car ried out automaticall y.Ifth etur n
signal indicat orisswitc hedon,theselect edrout e
is con/ rmed and further speed adjustmen tis acti-
va ted.
Speed adaptation iscanc eled inthefo llo wing
cases :
R Ifth etur nsignal indicat orisswitc hedo.
bef oreth ero uteev ent.
R Ifth edr iver depr esses theacceler ator or
br ak epedal during thepr ocess.
Sy st Sy
stem limits em
limits
Ro ute-based speedadaptation does notta ke right
of wa yre gula tions intoac cou nt.The driver is 170170
Dr
iving andparking

re
sponsi bleforcom plying withro ad tra1c regula -
tions anddriving atasuit ablespe ed.
The speedada ptatio nmade bythesy stem may
no talw aysbe suit able, particu larlyin thefo llo wing
situations:
R The road's coursenotclear lyvisi ble
R Road nar rowing
R Varying maximum permissible speedsinindi-
vidual lanes, forex am ple attollplazas
R Wetro ad sur faces, snowor ice
In these situations thedr iver must interve ne
ac cor dingl y. &
W W
ARNI NG ARNI
NGRisk ofaccid ent inspi teof
ro ute-based speedadaptation
Ro ute-based speedadaptation canmalfunc-
tion orbe temp orarily una vailable inthefo l-
lo wing situations:
R Ifth edr iver does notfo llo wthecalculat ed
ro ute
R Ifmap datais no tup-t o-dat eor availabl e R
Intheev ent ofroadw orks
R Inbad weather orroad cond itions
R Ifth eacceler ator pedal isdepr essed
R Intheev ent ofelectr onicall ydispla yed
speed limitations #
Adaptth espeed tothetra1c situation. SeSe
tting r tting
rout out
e-based speedadapt e-based
speedadaptation ation
R R
eq eq
uir uir
ements: ements:
R ActiveDist ance AssistDIS TRONI Cis acti va-
te d.
R ECOAssist isactiv e.
Multimedi asy stem:
4 © 5
Settings 5
Assistance
5 Rou te-based Speed #
Activateor dea ctivateth efunction .
When thefunction isactiv e,theve hicle speed
is adju sted depen dingon thero uteev ents
ahead.
% Further informatio non therout e-based speed
adap tation (/page170) . AA
ctiv ctiv
eSt e
St eer eer
ing Assist ing
Assist FF
unction ofA unction
ofActiv ctiv
eSt e
St eer eer
ing Assist ing
Assist
Ac tiveSt eer ing Assist isonl yav ailabl eup toa
speed of130 mph (210 km/h) .The system helps
yo uto stay inthecent erofthelane bymeans of
moder atesteer ing interve ntions .Dep ending on
th espeed driven, ActiveSt eer ing Assist usesthe
ve hicles ahead andlane marking sas are fere nce.
% Dep ending onthecountr y,in thelowe rspeed
ra ng eAc tiveSt eer ing Assist canusethesur -
ro unding tra1c asare fere nce. Ifnece ssary,
Ac tiveSt eer ing Assist canthen also prov ide
assist ancewhen driving awayfrom thecent er
of thelane, forex am ple, toform are scue
lane .
If th ede tection oflane marking sand vehicles
ahead isim pair ed,ActiveSt eer ing Assist switches
to passiv emode. Thesystem prov ides nosuppor t
in this case.
St St
atus displa atus
display of A y
of Activ ctiv
eSt e
St eer eer
ing Assis ing
Assist int t
in the he
Ins Instr tr
ument Display ument
Display
R Ø (gra y): acti vatedand passiv e
R Ø (gre en): activ ated and activ e Dr
iving andparking
171 171