2020 MERCEDES-BENZ A-CLASS SEDAN ECU

The
seat belts onthefo llo wing seats areeq uip‐
ped withach ild seat safetyfe atur e:
R Front passeng erseat
R Rear seat s
When enabled,thech ild seat safetyfe atur e
ens ures that theseat belts ofthefront
passeng erseat andrear seat sdo notslac ken
once thech ild restra int system issecur ed
(/ page55). #
Installth ech ild restra int system.
The entire base ofthech ild restra int system
mus talw aysre st on thesitt ing surface ofthe
re ar seat . #
Alw aysmak esur eth at theshoulder belt
st ra pis cor rectly routed from theseat belt
outle tof theve hicle totheshoulder belt
guide onthech ild restra int system.
The shoulder beltstra pmus tbe routed for‐
wa rdsand down wardsfrom theseat beltout‐
le t. No
teson rear wa rd-faci ng and forw ard-f acin g
ch ild restra int systems onthefront
pa sseng erseat &
WARNIN GRisk ofinju ryor deat hfrom
using are ar wa rd-faci ng child restra int
sy stem when thefront passeng erfront
airbag isenabled
If yo usec ureach ild inare ar wa rd-faci ng
ch ild restra int system onthefront passeng er
seat andthePA SSENGER AIRBAGOF Find i‐
cat orlam pis off,th efront passeng erairbag
can deplo yin theev ent ofan acciden t.
The child could bestru ck bytheairbag.
Alw aysensur eth at thefront passeng erair‐
bag isdeactiv ated. The PASSENGER AIRBAG
OFF indicat orlam pmus tbe lit.
NEVER useare ar wa rd-faci ng child restra int
sy stem onaseat protect edbyan ENABLED
FR ONT AIRB AG infront ofit,DE ATHor SERI‐
OUS INJURYtotheCH ILD can occur . Obser
vethespecif icins truction sfo rth ere ar‐
wa rd-faci ng and forw ard-f acin gch ild restra int
sy stems (/page61 ).
Alw aysobser vethest atus ofthefront passeng er
airbag onthePA SSENGER AIRBAGOF Find ica‐
to rlam p:
R When using are ar wa rd-faci ng child restra int
sy stem onthefront passeng erseat, thefront
passeng erairbag mustalw aysbe disabl ed.
This isonl yth ecase ifth ePA SSENGER AIR
BA GOF Find icat orlam pis lit con tinuousl y
(/ page45) .
R Ifth ePA SSENGER AIRBAGOF Find icat or
lam pis off,th efront passeng erairbag isena‐
bled. Thefront passeng erairbag maydeplo y
dur ing anacciden t. 60
Occupant safety

Secur
ingthech ild restra int system withth e
seat beltonthefront passeng erseat
When installing abelt- secur edchild restra int
sy stem onthefront passeng erseat, always
obser vethefo llo wing:
0073 Obser
vethech ild restra int system manuf ac‐
tur er's installation andoper atingins truc‐
tion s.
0073 When
usingafo rw ard-f acin gch ild restra int
sy stem incat egor yI: re mo vethehead
re stra int from there spectiv eseat, ifpossi‐
ble.
Af terth ech ild restra int system has been
re mo ved, replace thehead restra int simme‐
diat elyand adjus tth em correctly .
0073 The
backrest of thefo rw ard-f acin gch ild
re stra int system mus t,as faras possi ble,be
re sting ontheseat backres tof thefront
passeng erseat.
0073 Fo
rcer tain child restra int systems inwe ight
cat egor yII or III,th er ema ybe restrictions
on themaximum sizesetting, e.g. due to
possible contact with thero of. 0073
The
child restra int system mus tno tbe ten‐
si oned betwee nth ero of and theseat cush‐
ion and/or beinstalled facing thewr ong
dir ect ion.
0073 The
child restra int system mus tno tbe put
under stra in by thehead restra int s.Ad jus t
th ehead restra int sacc ording ly.
0073 Ne
verpla ceobjects underorbehi ndthe
ch ild restra int system, e.g.cushions .
The seat beltonthefront passeng erside is
eq uipped withaspecial seatbeltretract or.
Wh enena bled ,th especial seatbeltretract or
fu nctio nens ures that theseat beltdoes not
slac kenonce thech ild restra int system is
secur ed(/ page55). #
Setth efront passeng erseat asfarbac kas
possi bleand movetheseat intoth ehighes t
position ifpossible. #
Adjus tth eseat cushion inclination sothat
th efront edgeof theseat cushion isin the
highes tposition andthere ar edg eof the
seat cushion isin thelowe stposition . #
Setth eseat backres tto themos tve rtical
posit ionpossible . #
Installth ech ild restra int system.
The entire base ofthech ild restra int system
mus talw aysre st on thesitt ing surface ofthe
fr ont passeng ersea t. #
Alw aysmak esur eth at theshoulder belt
st ra pis cor rectly routed from theseat belt
outle tof theve hicle totheshoulder belt
guide onthech ild restra int system.
The shoulder beltstra pmus tbe routed for‐
wa rdsand down wardsfrom theseat beltout‐
le t. #
Ifneces sary,adjus tth efront passeng erseat
accor dingly. Occ
upant safety 61

The
child safetyloc kon there ar door ssec ures
eac hdoor separat ely. The door scan nolong er
be opened from theinside. #
Press theleve rin dir ection 1(activ ate) or
2 (dea ctivate). #
Mak esur eth at thech ild safetyloc ksare
wo rking proper ly. Ac
tiv atin g/deac tivatin gthe child safetyloc k
fo rthe rear passe nger comp artment side
wi ndo ws #
Toactiv ate/ deacti vate:pr ess button 2.
The rear passe nger com partment side win‐
do wcan beopen edorclo sed inthefo llo wing
cases :
R With indic ator lam p1 lit:via theswitc h
on thedr iver's door .
R With indic ator lam p1 off:via theswitc h
on thecor responding rear door ordriv‐
er' sdoor . No
teson pets intheve hicl e &
WARNIN GRisk ofacci dent andinjury
due toanim alsleftuns ecur edorunat ‐
te nde din theve hicle
If yo ulea veanim alsintheve hicle unatten‐
ded orunsecur ed,they cou ldpos siblypress
do wn butt ons orswitc hes.
Ther ebyan animal may:
R activ ateve hicle equipment andbecome
tr apped, forex am ple Oc
cupan tsaf ety 63

R
switc hsy stems onoroffand endang er
ot her road user s
Uns ecur edanimals maybe throw nar ou nd in
th eve hicle intheeve ntofan acci dent or
su dd en steer ing and braking maneuv erand
injur eve hicle occupants inthepr ocess. #
Neverlea veanim alsintheve hicle unat‐
te nde d. #
Alw ayscor rectly secu reanim alswhile
dr ivin g,forex am ple usin gasuit able
anim alcar rier . 64
Occupant safety

*
NO
TEDama getothetrunk lidbyobs ta‐
cle sab ove theve hicle The
trunk lidswings upwards when itis
opened. #
Ther efor e, mak esur eth at ther eis suf fi‐
cie ntcle arance above thetrunk lid. Yo
uha ve thefo llo wing options forope ning
the trunk lid: #
Pullth etrunk lidhandle. #
Vehicl eswith HANDS -FREEACCESS: Make
a kic kin gmo vement withyo ur foot belo wthe
bum per(/ page76 ). #
Pull trunk lidremo teoper ating switch1. #
Press and hold the008B buttononthe
Smar tKey . Closing
thetrunk lid &
WARNIN GRisk ofinju ryfrom unsecu red
it ems intheve hicle
If object s,lugg ageor loads areno tsecur ed
or notsecur edsuf ficie ntly,they cou ldslip,
tip ove ror be throw nar ou nd and ther eb yhit
ve hicle occupants.
Ther eis arisk ofinjur y,par ticular lyin the
ev ent ofsudden braking orasudden chang e
in dir ect ion. #
Alw aysst ow object sin suc hawa yth at
th ey canno tbe thro wn around. #
Beforeth ejour ney,secur eobjects, lug‐
ga ge orloads agains tslipping ortipping
ove r. Obser
vetheno teson loadi ngtheve hicle.
Yo uha ve thefo llo wing options forcl os ing
the trunk lid: #
Pullth etrunk liddown wardsusing thehan‐
dle recess andpush itclos ed. Ope
ning andclosing 75

If
se veralcon secut ive kic kin gmo vements are
no tsuccessfu l,wa itte nseco nds.
Sy stem limit s
The system maybe impair edorma yno tfunc tion
in thefo llo wing cases :
R The area around thesensor isdir ty,e.g. due
to road salt orsnow .
R The kicking movement ismade using apr os‐
th etic leg.
The trunk lidcould beopen edunin tentio nally,in
th efo llo wing situat ions:
R Ifaper son 'sarms orlegs aremo vingin the
sensor detection rang e, e.g .wh en polishi ng
th eve hicle orpic king upobject s.
R Ifobject sar emo vedor placed behind the
ve hicle, e.g.tensi oni ng stra ps orlugg age.
R Ifclam ping stra ps, tarp sor other coverings
ar epu lled ove rth ebum per.
R Ifapr otect ive mat withalengt hre ac hin g
ov er thetrunk silldown intoth ede tection
ra ng eof thesensor sis used.
R Ifth epr otect ive mat isno tsecur edcor rectly . R
Whe nwo rking onthetra iler hitch,tra iler sor
re ar bicy clerack s.
Deactiv ateth eSmar tKey functions (/page67 )
or do notcar rytheSmar tKey about your per son
in suc hsit uatio ns. Un
loc king thetrunk from insid ewit hth e
emer gency release Re
quirement s:
R The 12Vve hicle batteryis conn ectedand
ch arge d. #
Press theemer gency release button1
br ief ly.
The trunk lidwill unloc kand open. Opening
andclosing 77

Indicat
orlam p1 flashes whentheAT Asy stem
is armed.
The ATAsy stem isdeactiv ated aut omaticall yin
th efo llo wing situat ions:
R Afterunloc kingtheve hicle withth eSmar t‐
Ke y
R Afterunloc kingtheve hicle using KEYLES S-
GO R
Afterpr essing thest ar t/ stop butt onwithth e
Smar tKey inthestow agecom partment
(/ page13 2)
% WhentheMer cedes‑ Benzemergency call
sy stem isactiv eand thealar mstay son for
mor eth an 30 sec onds, ames sageis aut o‐
mat icall ysen tto theCus tomer Assis tance
Ce nter (/ page 357).
% Inthecase ofsevere batt erydisc harging,
th eanti- theftalar msystem isaut omaticall y
deactiv ated tofacil itat eth ene xt engine
st ar t.
Deact ivat ing theATA #
Press theÜ, ßor008B buttononthe
Smar tKey .
or #
Press thest ar t/ stop butt onwithth eSmar t‐
Ke yin themar kedspace (/page13 2)
Dea ctivat ingth eala rm using KEYLESS-GO #
Grasp theoutside doorhandle withth e
Smar tKey outside theve hicle. Fu
nction oftheto w- aw ay alar m %
This function mayno tbe available inall
coun tries.
An audible andvisual alarmistrigg ered ifan
alt eratio nto your vehicle's angleof inclination is
de tected whi letheto w- aw ay alar misarmed.
The tow- aw ay alar misaut omat icallyar med afte r
appr oximat ely60 seco nds:
R Afterloc king theve hicle withth eSmar tKey
R Afterloc king theve hicle using KEYLES S-GO
The tow- aw ay alar mison lyarmed when thefo l‐
lo wing compone ntsar eclos ed:
R The door s
R The trunk lid
The tow- aw ay alar misaut omat icallydeac tiva‐
te d:
R Afterpr essing theÜ or008B buttonon
th eSmar tKey
R Afterpr essing thest ar t/ stop butt onwithth e
Smar tKey inthemar kedspace (/page13 2) Op
ening an dclos ing 87

&
WARNIN GRisk ofinju ryfrom unsecu red
it ems intheve hicle
If object s,lugg ageor loads areno tsecur ed
or notsecur edsuf ficie ntly,they cou ldslip,
tip ove ror be throw nar ou nd and ther eb yhit
ve hicle occupants.
Ther eis arisk ofinjur y,par ticular lyin the
ev ent ofsudden braking orasudden chang e
in dir ect ion. #
Alw aysst ow object sin suc hawa yth at
th ey canno tbe thro wn around . #
Beforeth ejour ney,secur eobjects, lug‐
ga ge orloads agains tslipping ortipping
ove r. &
WARNIN GRisk ofinju rydue toobject s
being stowe dincor rectl y
If yo udo notadeq uatelyst ow object sin the
ve hicle interior ,th ey cou ldslipor be tossed
ar ound andther eb yst rike vehicle occupants.
In addition, cupholder s,open stow age
spac esand mobi lephon ebr ac kets cann ot alw
aysre stra in theobjec tsthey cont ain in
th eev ent ofan acciden t.
Ther eis arisk ofinjur y,par ticular lyin the
ev ent ofsudden braking orasudden chang e
in dir ect ion. #
Alw aysst ow object sin suc hawa yth at
th ey canno tbe tossed about inthese or
similar situation s. #
Alw aysmak esur eth at obj ect sdo not
pr oject from stow agespac es,parcel
ne ts or stow agene ts. #
Close theloc kable stow agespac es
bef orest ar tin gajo ur ne y. #
Alw aysst ow and secureobj ect sth at
ar ehea vy,har d,poin ted, shar p-edg ed,
fr agile ortoolarg ein thetrunk . &
WARNIN GRisk ofburnsfrom theta il‐
pipe andtailpipe trims
The exhaus tta ilpipe andtailpipe trims can
becom eve ry hot.Ifyo uco me intoco ntact
wit hth ese partsof theve hicle, youco uld
bur nyo urself . #
Alw aysbe par ticular lycareful arou nd
th eta ilpipe andtheta ilpipe trims and
super visechildr enespec iallycloselyin
th is area. #
Allo wvehicle partsto cool down before
to uc hin gth em. The
driving charact eristic sof your vehicle are
dependent onthedis tribution oftheload within
th eve hicle. Yousho uld bear thefo llo wing in
min dwhen loading theve hicle:
R Neverex ceed theper missible gross mass or
th egr oss axle weight rating forth eve hicle
(including occupants). Thevalues arespec i‐
fi ed on theve hicle identif ication plateon the
ve hicle's B-pillar.
R The load mustno tpr otru de abo vetheupper
edg eof theseat backres ts.
R Alw aysplace theload behind unoccupied
seats ifpossible.
R Secur eth eload using thetie-do wneyes and
dis tribut eth eload evenly. 10
0
Sea tsand stow ing