2020 MERCEDES-BENZ A-CLASS SEDAN ECU

Deact
ivat ing Activ eDi stance Assist
DI ST RO NIC &
WARNIN GRisk ofacci dent dueto Active
Dis tance AssistDIS TRONI Cstill being
act ivat ed when youlea vethedr iver's
seat
If yo ulea vethedr iver's seat while theve hicle
is being brak ed byActiveDis tan ceAssi st
DIS TRONI Conly ,th eve hicle canrollaw ay. #
Alw aysdeactiv ateAc tiveDis tance
Assi stDIS TRONI Cand secureth eve hi‐
cle topreve ntitfrom rolling away
bef oreyo ulea vethedr iver's seat. #
Press rock er switc h4 down (CNCL).
% Ifyo ubr ak e, deac tivateES P®
or ifES P®
int erve nes, ActiveDis tance Assist
DIS TRONI Cis de acti vated.
Incr easing orreduci ngthe speed #
Press rock er switc h3 up(SET +)or down
(SET -)to thepr essur epoint .
The stor ed speed isincr eased orreduced by
1 mp h(1 km/h) . or #
Press rock er switc h3 up(SET +)or down
(SET -)to thepr essur epoint andhold.
The stor ed speed isincr eased orreduced in
incr ement sof 1mp h(1 km/h).
or #
Press rock er switc h3 up(SET +)or down
(SET -)be yond thepr essur epoint .
The stor ed speed isincr eased orreduced by
5 mp h(1 0 km/h) .
or #
Press rock er switc h3 up(SET +)or down
(SET -)and hold beyond thepr essur epoint .
The stor ed speed isincr eased orreduced in
incr ement sof 5mp h(1 0 km/h).
Re duci ngorinc reasin gth especif ieddis‐
tance from theve hicl ein front #
Press rock er switc h2 upordown. Fu
nction ofActiv eSpe edLimit Assist %
The follo wing function iscoun try- dependen t
and onlyav ailable incon junction withth e
Dr iving Assi stanc ePa ckag e. If
ach ang ein thespeed limitisde tected and
au tomatic adoptionofspeed limitsisactiv ated,
th ene wspeed isaut omaticall yadop tedas the
st or ed speed (/page20 7). 17
6
Driving and parking

ing
wheel, theBeginn ingEmer gencySt op mes‐
sag eappear sin themultifunc tiondispla y.Ifth e
dr iver still does notre spond, ActiveDis tance
Assi stDIS TRONI Creduces thespeed. Thevehi‐
cle isdeceler ated instag es toast ands till.
De pen dingon thecount ry,at speeds below
40 mph(60 km/h) thehazar dwa rning light s
switc hon aut omat ically.
When theve hicle isstatio nary,thefo llo wing
act ions arecar ried out :
R The vehicle issecur edwithth eelectr icpar k‐
ing brak e
R ActiveDis tance AssistDIS TRONI Cis end ed
R The vehicle isunloc ked
R Ifpossib le,an emer gency callis place dto
th eMer cedes- Benzemergency callcent er
The driver can cance lth edeceler ationatany
time byper form ing one ofthefo llo wing actions :
R Steer ing
R Braking oracceler ating
R Pressing ast eer ing-wheel button
R Oper ating Touc hCon trol R
Activati ng ordeacti vating ActiveDis tance
Assi stDIS TRONI C Ov
erview ofActiv eDi stance Assist
DI ST RO NIC displa ysintheins trum ent clus‐
te r The
assis tance grap hicand thest atus displa y
sho wthest atus ofthefo llo wing functionsin the
ins trumen tclus ter:
R ActiveDis tan ceAssi stDIS TRONI C
R Route-based speedadap tatio n
R ActiveSt eer ing Assis t Assis
tantdispla y 1
Route-based speedadap tatio n:typ eof route
eve nt
2 Vehicle infront
3 Distance indicator
4 Setspe cified dist anc e
5 ActiveLa ne Chang eAssi stlane chang edis‐
pla y Dr
ivin gand parking18
3

ing.
Onceth esy stem ispassiv e,symbol 1is
sho wnasgray inthemultifunc tiondispla y. Fu
nction ofHill StartAss ist Hill
StartAs sis tholds theve hicle fora shor t
time when pulling away on ahill under thefo l‐
lo wing condition s:
R Vehicl eswith automatic transmiss ion:
The transmis sionisin posi tion 005Bor005E.
R The electricpar king brak eis released.
This gives youen ough timeto mo veyour foot
fr om thebr ak epedal totheaccelera torpeda l
and depr essitbef oreth eve hicle begins toroll
aw ay. &
WARNIN GRisk ofacci dent andinjury
due totheve hicle rolling away
Af tera shor ttime, HillStartAs sis tno longer
holds theve hicle anditcan rollaw ay. #
Ther efor e, swif tly mo veyour foot from
th ebr ak epedal totheacceler ator pedal.
Neveratt em pttolea vetheve hi‐
cle ifit is being heldbyHillSt artAs sis t. HOLD
functi on HOLD
functi on
The HOL Dfun ction holds theve hicle atast and‐
st ill wit hout requ iring youto depr essthebr ak e
pedal, e.g.while waitin gin traf fic.
The HOLD functionisonly anaid. The responsi‐
bility forth eve hicle safely standi ngstill remains
wit hth edr iver .
Sy stem limit s
The HOL Dfun ction isonl yint end edtoprov ide
assis tance when drivi ng and isno ta su fficien t
mean sof saf eguar dingtheve hicle agains tro lling
aw ay when statio nary.
R The incline mustno tbe great erthan 30%. Ac
tiv atin g/deac tivatin gthe HOL Dfun ction &
WARNIN GRisk ofan acci dent dueto the
HOLD functio nbei ng activ ated whe nyo u
lea vetheve hicle
If yo ulea vetheve hicle while onlyth eHOLD
func tion isbraking theve hicle, theve hicle
can rollaw ay inthefo llo wing situat ions:
R Ifth er eis amalfunct ioninthesy stem or
in thepo we rsupp ly.
R Ifth eHOLD function isdeactiv ated by
depr essing theacceler ator pedal orbrak e
pedal, e.g.byave hicle occupant. #
Alw aysdeactiv ateth eHOLD function
and secur eth eve hicle agains tro lling
aw ay bef orelea ving theve hicle. Dr
iving andparking 18
5

*
NO
TEDama gefrom automatic braking If
one ofthefo llo wing functionsis switc hed
on, theve hicle brak es aut omatically incer‐
ta in situat ions:
R ActiveBr ak eAssi st
R ActiveDis tance AssistDIS TRONI C
R HOLD functio n
R ActivePa rking Assist
To avo iddamag eto theve hicle, deactiv ate
th ese systems inthefo llo wing orsimilar sit‐
uation s: #
Dur ing towing #
Inacar wash Re
quirement s:
R The vehicle isstatio nary.
R The driver's door isclosed ortheseat belton
th edr iver's side isfastened.
R The engine isrunning orhasbe en automati‐
cally switc hedoffby theEC Ostar t/ stop
funct ion. R
The electr icpar king brak eis released.
R ActiveDis tance AssistDIS TRONI Cis de acti ‐
va ted.
R Vehicl eswith automatic transmiss ion:
The transmis sionisin posi tion 005B,005Eor005C
Ac tiv atin gthe HOL Dfunc tion #
Dep ress thebr ak epedal andafte ra shor t
time quickl ydepr essfurther until the00D9
displa yappear sin themultifunc tiondispla y. #
Release thebr ak epedal.
Deactiv atingtheHOLD function #
Depr esstheacceler ator pedal topull away.
or #
Depr essthebr ak epedal untilthe00D9 dis‐
pla ydisappear sfrom themultifunc tiondis‐
pla y.
The HOLD functionisdeactiv ated inthefo llo w‐
ing situat ions:
R ActiveDis tance AssistDIS TRONI Cis acti va‐
te d.
R Vehicl eswith automatic transmiss ion:
The transmis sionisswi tched toposition 005D.R
The vehicle issecur edwithth eelectr icpar k‐
ing brak e.
In thefo llo wing situat ions,th eve hicle isheld by
tr ans missi on positio n005D and /or bytheelectr ic
par king brak e:
R The seat beltisunf astened andthedr iver's
door isopened.
R The vehicle isswitc hedoff.
R Ther eis amalfunction inthesy stem orthe
po we rsupp lyis insuf ficie nt. St
art-of fassi st Fu
nction ofstar t-of fassi st
St art-of fassis tenab lesoptim alvehicle acceler a‐
tion from ast ands till.Fo rth is, asuit ablyhigh-
gr ip road sur face isrequ ired, thetir es and vehi‐
cle mus talso beingood condition.
Do notactiv atest ar t-of fassis ton public roads.
Be sureto obser vethesaf etyno tesand informa‐
tion onESP ®
(/ page16 1). 18
6
Driving and parking

Ac
tiv atin gthe star t-of fassi st &
WARNIN GRisk ofskid ding and having
an acci dent from whe elsspi nning
Whe nyo uuse star t-of fassis t,ind ividual
wheels couldspin andyouco uld lose contro l
of theve hicle.
If ESP ®
is deactiv ated, ther eis arisk ofskid‐
ding andaccident! #
Mak esur eth at no per son sor obs tacles
ar ein theclose vicinit yof your vehicle. #
Deactiv atingESP®
(/ page16 3). #
Movethesteer ing wheel tothest ra ight -
ahead position. #
Depr essthebr ak epedal firm lywith your left
fo ot and keep itdepr essed. #
Engage the005B drive position (/page14 4). #
Select thespor tiestav ailable drive pr ogram
B orC(/ page14 0). #
Rapidl ydepr esstheacceler ator pedal fully. #
Take your foot offth ebr ak e, but keep the
acc elerat orpedal depresse d.
The vehicle pullsaway atmax imum acceler a‐
tio n. #
Swit chon ESP ®
once theaccelera tionproce‐
dur eis com plete.ESP ®
wi llot her wise notbe
able tostabiliz eth eve hicle ifth eve hicle
st ar ts to skid orawheel star ts to spin.
Cancel ingstar t-of fassi st #
Remo veyour foot from theacceler ator pedal. #
React ivat eth eES P®
. Fu
nction ofada ptive dam ping adjustm ent Suspen
sionwithadap tivedam ping adjus tment
con tinuously adjuststhech aract eristic sof the
suspension dampersto thecur rent operati ng
and drivi ng cond itions.
The damp ing issetindiv iduall yfo reac hwhee l
and isaffect ed bythefo llo wing fact or s:
R The road sur face condi tions
R Vehicle load
R The drive pr ogr am select ed R
The driving style
The drive pr ogr am can beadjus tedusing the
DY NA MIC SELE CTswitc h. Pa
rking Assis tPA RK TRONI C Fu
nction ofParking Assis tPA RK TRONI C Pa
rking AssistPA RK TRONI Cis an elec tron ic
par kingassi stanc esy stem withultr asound. It
monit orsth ear ea around your vehicle using mul‐
tiple sensor s1 onthefront bum perand onthe
re ar bum per.Pa rking AssistPA RK TRONI Csho ws
yo uth edis tance betwee nyo ur vehicle anda
de tected obs tacle visually and audibly . Dr
iving and parking 18
7

The
rear vie wcam erais on lyan aid. Itis no ta
subs titutefo ryo ur att entio nto thesur round ings.
The responsibili tyforsaf emaneu vering and
pa rking remains withyo u. Mak esur eth at ther e
ar eno per sons, animals orobjec tsetc., inthe
maneu vering area while ma neu vering and park‐
ing.
The guide linesinthemedia displaysho wthe
dis tances toyour vehicle. Thedistances dis‐
pl ay ed onlyapply toroad leve l.
Depe ndingon theve hicle equipment, youcan
sele ctfrom thefo llo wing views:
R Normalvie w
R Wide-ang levie w
The area behind theve hicle isdispla yedas a
mir rorimag e,as intheinside rear vie wmir ror.
Ve hicl eswithout Activ ePa rking Assis t
The follo wing camer avie ws areav ailable inthe
multime diasystem: Nor
mal view
1 Yello wguide line,vehicle width(dr iven sur‐
fa ce) dep endi ngon thecur rent steer ing
wheel angle(dynamic)
2 Yello wguide lineatadis tance ofapprox ‐
imat ely3. 3ft (1.0 m) from there ar area
3 Yello wlane markingth ecour sethetir es will
ta ke atthecur rent steer ing wheel angle
(dynamic)
4 Bum per
5 Redguide lineatadis tance ofapprox imat ely
1. 0 in (0.3 m)from there ar area Wi
de-ang levie w
Ve hicl eswith Activ ePa rking Assis t
The follo wing camera views areav ailable inthe
multime diasystem: Dr
iving andparking 19
3

Nor
mal view
1 Yello wlane markingth ecour sethetir es will
ta ke atthecur rent steer ing wheel angle
(dynamic)
2 Yello wguide line,vehicle width(dr iven sur‐
fa ce) dep endi ngon thecur rent steer ing
wheel angle(dynamic)
3 Redguide lineatadis tance ofapprox imat ely
1. 0 in (0.3 m)from there ar area
4 Yello wwa rning indic ator ofParking Assist
PA RK TRONI C:obs tacles atadis tance
be twee nap prox imat ely2. 0ft (0.6 m)and
3.3 ft(1.0 m) 5
Redwa rning displa yof Parking Assist
PA RK TRONI C:obs tacles areve ry clos e
(a ppr oximat ely1. 0 ft (0.3 m)orless)
6 Orang ewa rning displa yof Parking Assist
PA RK TRONI C:obs tacles areamed iumdis‐
ta nce away (be tween appr oximat ely1. 0 ft
(0.3 m)and 2.0ft(0.6 m))
% Ifth eent ire sy stem fails, thesegment sof
th ewa rning displa yar esho wninred. The
indicat orlam pon thePA RK TRONI Cbut ton
light sup and theé symbol appearsin
th emultifunc tiondispla y.
If th esy stem fails atthere ar,th edispla yof
th esegment sch ang esasfollo ws :
R The rear segm entsar esho wninred
when backingup.
R The rear segm entsar ehidde nwhen driv‐
ing forw ards.
If Pa rking AssistPA RK TRONI Cis deac tiva ted,
th ewa rning displa yfa des out(/ page18 9). Wi
de-ang levie w
Sy stem failur e 19
4
Driving and parking

1
Wide-ang levie w, front
2 Topvie wwit himag efrom thefront camer a
3 Topvie wwit himag esfrom theside camer as
in theoutside mirrors
4 Wide-ang levie w, rear
5 Topvie wwit himag efrom there ar vie wcam ‐
er a
6 Topvie wwit htrailer view(vehicles witha
tra iler hitch) To
pvie w 1
Lane indicati ngthero uteth eve hicle will
ta ke atthecur rent steer ing wheel angle
2 Warning displa yof Parking Assist
PA RK TRONI C
3 Your vehicle from above
The color oftheindividual segmentsof wa rning
displa y2 isbased onthedis tance tothede tec‐
te dobs tacle :
R Yello wsegment s:obs tacle sat adi st anc e
be tween appr ox.2.0 ft(0.6 m)and 3.3ft
(1 .0 m) R
Orang esegment s:obs tacle sat adi st anc e
be tween appr ox.1. 0 ft (0.3 m)and 2.0ft
(0.6 m)
R Redse gme nts: obstacle sat ave ry shor t
dis tance ofapprox .1. 0 ft (0.3 m)orless
When Parking AssistPA RK TRONI Cis operatio nal
and noobj ectis de tected, thesegment sof the
wa rning displa yar esho wningray .
% Ifth eent ire sy stem fails, thesegmen tsof
th ewa rning displa yar esho wninred. The
indicat orlam pon thePA RK TRONI Cbut ton
light sup and theé symbol appearsin
th emultifunc tiondispla y.
If th esy stem fails atthere ar,th edispla yof
th esegment sch ang esasfollo ws :
R The rear segm entsar esho wninred
when backingup.
R The rear segm entsar ehidde nwhen driv‐
ing forw ards.
If Pa rking AssistPA RK TRONI Cis deac tiva ted,
th ewa rning displa yfa des out(/ page18 9). 19
6
Driving and parking