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

Ac
tiv atin g/deac tivatin gthe acoustic lock ing
ve rificat ion signa l Mult
imed iasystem:
4 © 5
Set ting s5
Vehicle #
Activateor deacti vate Acou sticLock . Ac
tiv atin g/deac tivatin gthe pani calar m Re
quirement s:
R The ignit ionisswitc hedoff. #
Toactiv ate: press butt on1 forapp rox‐
ima tely one second.
A visual andaudibl ealar mistrigg ered. #
Todeac tivate: briefly pr ess button1 again.
or #
Press thest ar t/ stop butt ononthecoc kpit,
wit hth eSmar tKey insid eth eve hicle. Changing
theunloc kingsettings Po
ssible unlockingfunctions oftheSmar tKey :
R Cen tralunlo cking
R Unloc kin gth edr iver's door andfuel filler flap #
Toswitc hbe tw een settings: press the
Ü andß buttonssimul taneousl yfo r
appr oximat elysix seco ndsuntilth eindicat or
lam pflashes twice.
Op tions ifth eunloc kingfunction forth edr iver's
door andfuel filler flap has been selected:
R Tounlo cktheve hicl ece ntr ally:press the
Ü buttontwice.
R Vehicl eswith KEYLESS-GO :if yo uto uc h
th einner surface ofthedoor handle onthe
dr iver's door ,onl yth edr iver's door andfuel
fi ller flap areunlo cked. Deactiv
atingtheSmar tKey functio ns If
yo udo notuse theve hicle oraSmar tKey for
an extende dpe riod oftime, youcan reduce the
ener gycon sum ption ofthere spectiv eSmar tKey .
To do so, deactiv ateth eSmar tKey functions. #
Todeac tivate: press theß buttononthe
Smar tKey twi ce inqu ick succ ession .
The Smar tKey indic ator lam pflashes twice
br ief lyand light sup once. #
Toactiv ate: press anybutt onontheSmar t‐
Ke y.
% When theve hicle isstar tedwit hth eSmar t‐
Ke yin thestor ag ecom partmen tof thecen‐
te rconsole, theSmar tKey functions are
au tomatical lyact ivat ed (/ page12 7). Op
ening an dclos ing 67

#
Position suppor t2 ofjac k4 onjacksup‐
por tpoint 1.
% Ifth er eis atot alloss ofpressur ein atir e, it
ma ybe poss iblethat thejac kcann otbe
position edatjac ksuppor tpoint 1.Inthis
case, unload theve hicle. #
Turn ratche t3 clockwise untilsuppor t2
sit scom pletely on jacksuppor tpoint 1and th
ebase ofthejac klies evenlyon the
gr ou nd . #
Turn ratche t3 unti lth etir eis raised amaxi‐
mum of1.2 in (3 cm) from thegr ound. #
Loosen andremo vethewheel (/page31 4). Re
mo ving awh eel Re
quirement s:
R The vehicle israised (/page31 2).
* NO
TEMer cedes-AMG vehicles #
Obser vetheno tesin theSupplement .
Yo uco uld other wise failto recogni ze
da ngers. Whe
nch ang ingawheel, avoidapplyin gan yfo rc e
to thebr ak ediscs, asthis could impair theleve l
of comf ortwhen braking. *
NO
TEDama getothre adin gfrom dirton
wheel bolts #
Donotplace wheel boltsin san dor on
a dir tysur face. #
Unscr ew theupper mostwheel boltcom‐
ple tely. #
Screw align mentbolt 1intoth eth re ad
ins tead ofthewheel bolt. #
Unscr ew there maini ngwhee lbolts com‐
ple tely. 31
4
Wheels andtires

1,
2, 3...
4MA TIC...................................................... 141
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 141
12 Vbatt ery
see Battery(v ehi cle)
12 Vso cket
see Socket(1 2 V)
36 0° Camer a........... ................................ 187
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>187
Opening thecamer aco ver(r ear view
camer a)..... .......... ........... ..................... 189
Sel ecting avie w <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 189 A
A/C funct ion
Ac tivati ng/d eactiv ating (MBUX mul‐
tim ediasystem) .............................. ..... 122
Swi tching on/of f(contr olpa nel ).......... 121
ABS (Anti-lockBr ak ing System) .............1 53
Ac celer ation
see Kickdo wn Ac
ciden tand Break down Manag e‐
men t
Mer cedesme connect.................... .....2 31
Ac ous ticlocking verificat ion signa l
Ac tivati ng/d eactiv ating ........... ..............67
Ac tiv eBli nd Spo tAs sist <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 180
Br ak eap plica tion <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> .............181
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>180
Sy stem limit ations ........................... ....1 80
Ac tiv eBr ak eAs sist
Fu nctio n/no tes .................................... 173
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 177
Ac tiv eDi stance AssistDI ST RO NIC ........ 162
Ac tiveEmerg encyStop Assis t.............1 70
Ac tiveLa ne Chang eAssi st<0011001100110011001100110011001100110011001100110011001100110011
001100110011> 171
Callin gup aspee d...............................1 64
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>162
Incr easi ng/decr easingspeed ......... .....1 64
Re quiremen ts................................ ...... 164
Ro ute-based speedadap tatio n........... .167
St eer ing wheel buttons ........................ 164
St or ing aspeed .............................. ..... 164
Swi tching off/de activating ........... .......164
Swi tching on/a ctivating <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 164 Sy
stem limit ations ...............................1 62
Ac tiv eEme rgency Stop Assis t...............1 70
Ac tiv eLan eCha ngeAs sist <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 171
Ac tivati ng/d eactiv ating ........... ............172
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>171
Ac tiv eLan eKe eping Assist.................... 182
Ac tivati ng/d eactiv ating ........... ............184
Ac tivati ng/d eactiv ating thewa rning .... 184
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>182
Se tting thesensit ivity.......................... 184
Sy stem limits ....................................... 182
Ac tiv ePa rking Assis t.............................. 194
Exiti ngapa rking space ........................ 197
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>194
Pa rking ................................................ 196
Sy stem limit ations ...............................1 94
Ac tiv eSe rvice System PLUS
see ASSYST PLUS
Ac tiv eSpe edLimit Assist <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 166
Dis play <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 166
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>166
Ac tiv eSte ering Assis t.............................1 68
Ac tivati ng/d eactiv ating ........... ............170 39
4
Inde x

Seat
belt..................................................... 38
Car e................................................ ....2 63
Fa stening ............................................... 40
Pr otect ion ....................................... .......3 8
Seat beltadjustment
Ac tivati ng/d eactiv ating ........... ..............41
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 41
Seat beltwarning
see Seat belts
Seat belts ...................................................4 2
Ac tivati ng/d eactiv ating seat belt
ad jus tment ............................................ 41
Re duced protect ion ...............................3 9
Re leasing ...............................................4 2
Sea tbel tad jus tment (function) ............. 41
Wa rning lam p.................................. ...... 42
Seat cover(C are) ............ .........................263
Seat heatin g
Ac tivati ng/d eactiv ating ........... ..............93
Se at ventilat ion
Ac tivati ng/d eactiv ating ........... ..............94
Selec tingage ar
see Changing gears Select
orleve r
see DIRECT SELECTleve r
Self-t est
Au tomatic front pass engerfront air‐
bag shut off..... ....................................... 47
Sensor s(car e).......................................... 261
Ser vice center
see Qualif iedspecialis two rkshop
Ser vice interva ldisp lay
see ASSYST PLUS
Se tting aspeed
see Cruise control
Se tting thema pscale
see Map
Shif tpa dd les
see Steer ing wheel paddle shifters
Shif ting gears
Gea rshif tre comme ndation <0011001100110011001100110011001100110011001100110011001100110011
00110011> 140
Side airbag .................................................4 2
Side impact protection ...........................1 92 Side
windo ws <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 77
Child safetyloc kin there ar
passe nger com partment .......................6 4
Closin g.................................................. 77
Closin gusin gth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 79
Co nvenienc eclosing featur e.................7 9
Con venie nce openi ng <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ....78
Opening .................................................7 7
Opening withth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 78
Pr oblem .................................................7 9
Size designation (tires) ........................... 302
Sliding sunroof.......................................... 80
Au tomatic featur es................................ 82
Closin g.................................................. 80
Closin gusin gth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 79
Ope ning <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 80
Ope ning with theSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 78
Pr oblem .................................................8 3
Ra in-clos ingfeatur e...............................8 2
Smar tKey <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 66
Ac ous ticlocking verificati onsignal ........ 67
Batt ery <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> .........68
Ener gyconsu mption........... ...................67
Fe atur es................................................ 66
Ke yring attachme nt<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ......68 Inde
x41
5