2020 MERCEDES-BENZ A-CLASS SEDAN clock

R
The trunk lid
If th eve hicle isno topened within appr oximat ely
40 seco ndsafte runloc king,itloc ksagain. Anti-
th eftpr otect ion isactiv ated again.
Do notke ep theSmar tKey toget her withelec‐
tr onic devices orme talobje cts. This canaffect
th eSmar tKey 's functionality .
Indicat orlam pof theve hicl eloc k Indica
torlam p1 inthetrim on thedr iver's side
fl ashes whentheve hicle isloc kedfrom outside.
Indic ator lam p1 remains offif th eve hicle is
loc kedfrom inside orwhile theve hicle isin
mo tion. 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.
% The panic alarmfunc tion isonl yav ailable in
cer tain coun tries. #
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
(t he Smar tKey isinsid 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 66
Openingand closing

#
Position thehub capand turnth ecent er
co vercloc kwise untilthehub capengages
ph ysicall yand audibly .
Alum inum hubcap #
Toremo ve:po sitio nsoc ket2 onhubcap
1.
% The socketcan befound inthetir e-c hang e
to ol kit. #
Position wheel wrenc h3 onsoc ket2. #
Usingwheelwr enc h3, turnhu bcap 1
cou nter-clo ckwise andremo veit. #
Toins tall: posit ionhub cap1and turnunt il
it is com pletely flush withth ewheel. #
Position socket2 onhubcap 1. #
Attach wheel wrenc h3 tosoc ket2 and
tig hten thehub capclockwise.
Specif iedtight ening torq ue: 18lb-f t
(25 Nm). Ra
ising theve hicl ewhe nch angi ngawhe el Re
quirement s:
R Ther ear eno per sons intheve hicle.
R The vehicle hasbeen prepar edfora whee l
ch ang e(/ page44 7).
R Thehub capsha ve been remo ved
( / pag e44 7).
Im po rtant noteson using thejac k:
R Use onlya ve hicle-specif icjac kth at has
been approved byMer cedes-Ben zto raise
th eve hicle.
R The jackis onl ydesigned forra ising and
holdin gth eve hicle fora shor ttime whilea whee
lis being chang edand notfo rmaint e‐
nance workund ertheve hicle.
R The jackmus tbe placed onafirm ,fl at and
no n-slip surface. Ifneces sary,use alar ge,
fl at, load- bearing,no n-slip unde rlay .
R The foot ofthejac kmus tbe position edverti‐
call yunder thejac ksuppor tpoint . Ru
les ofcon duct when theve hicle israised:
R Neverpla ceyour han dsorfeet und erthe
ve hicle.
R Neverlie under theve hicle.
R Donotst ar tth eengine anddonotre lease
th eelectr icpar king brak e. 44
8
Wheels andtires

#
Position jack2 atjac ksuppor 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 untiljac k2 sits
com pletely on jacksuppor tpoint 1and the
base ofthejac klies evenlyon thegr ound. #
Turn ratche t3 unti lth etir eis raised amaxi‐
mum of1.2 in (3 cm) from thegr ound. #
Loosen andremo vethewheel (/page450). Re
mo ving awh eel Re
quirement s:
R The vehicle israised (/page44 8).
Wh enchang ingawheel, avoid applying anyfo rc e
to thebr ak ediscs, sincethis could impair the
le ve lof com fort when brakin g.
* 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. #
Remo vethewheel and,ifneces sary,stor eit
in thetrunk . #
Noteson remo ving anemer gency spare
wheel (/page45 2). #
Install thene wwheel (/page450). Mounting
ane wwheel Re
quirement s:
R The wheel isremo ved(/ page450 ). 450
Wheels andtires

1,
2, 3...
4MA TIC..................................................... 147
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>147
12 Vbatt ery
see Battery(v ehi cle)
12 Vso cket
see Socket(1 2 V)
36 0° Camer a........... ................................ 195
Car e...... .......................................... .... 397
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>195
Opening thecamer aco ver(r ear view
camer a)..... .......... ........... ..................... 198
Sel ecting avie w <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 198 A
A/C funct ion
Ac tivati ng/d eactiv ating (mu ltimed ia
sy stem) .......................................... ...... 127
Swi tching on/of f(contr olpa nel )......... 126
ABS (Anti-lockBr ak ing System) .............. 161
Ac celer ation
see Kickdo wn Ac
ciden tand break down manag e‐
men t
Mer cedesme connect.................... .....3 55
Ac ous ticlocking verificat ion signa l
Ac tivati ng/d eactiv ating ........... ..............66
Ac tiv atin g/deac tivatin gaut omati c
vo lum eadj ustm ent
Bur mes ter®
sur round soun dsy stem ...382
Ac tiv eBli nd Spo tAs sist <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 208
Ac tivati ng/d eactiv ating ........... ........... ..211
Br ak eap plica tion <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> .............210
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>208
Sy stem limit ations ........................... ....2 08
Ac tiv eBr ak eAs sist
Fu nctio n/no tes ................................... 164
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 170
Ac tiv eDi stance AssistDI ST RO NIC ........ 172
Ac tiveEmerg encyStop Assis t......... ....1 82
Ac tiveLa ne Chang eAssi st<0011001100110011001100110011001100110011001100110011001100110011
001100110011> 181
Callin gup aspee d...............................1 74
Dis play sin theIns trument Display...... 183
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>172
Incr easi ng/decr easingspeed ......... .....1 74
Re quiremen ts................................ .......1 74 Ro
ute-based speedadap tatio n........... .177
St eer ing wheel buttons ........................ 174
St or ing aspeed .................................... 174
Swi tching off/de activating ........... .......174
Swi tching on/a ctivating <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 174
Sy stem limit ations ...............................1 72
Ac tiv eEme rgency Stop Assis t...............1 82
Ac tiv eLan eCha ngeAs sist <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 181
Ac tivati ng/d eactiv ating ........... ............182
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>181
Ac tiv eLan eKe eping Assist.....................2 11
Ac tivati ng/d eactiv ating ........... ............213
Ac tivati ng/d eactiv ating thewa rning .... 213
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>211
Se tting thesensit ivity.......................... 213
Sy stem limits ....................................... 211
Ac tiv ePa rking Assis t.............................. 198
Cr oss Traf fic Aler t<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> ...203
Dr ive Aw ayAssi st<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 203
Exiting apa rking space ........................ 201
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>198
Maneuv ering assis tance <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 204
Pa rking ................................................ 200
Sy stem limit ations ...............................1 98 530
Index

Selec
tingage ar
see Changing gears
Select ingthesound profile
Bur mes ter®
sur round soun dsy stem ...383
Select orleve r
see DIRECT SELECTleve r
Self-t est
Au tomatic front pass engerfront air‐
bag shut off..... ..... .................................. 45
Sens ors(Car e).........................................3 97
Ser vice center
see Qualif iedspecialis two rkshop
Ser vice interva ldisp lay
see ASSYST PLUS
Ser vice station search
St artin gaut omat icsear ch<0011001100110011001100110011001100110011001100110011001100110011
001100110011> 307
Se tting aspe ed
see Cruise contr ol
Se tting thedatefo rm at ....... ................... 282
Se tting thedis tance unit........................ 286
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> 145
Shor tmessag es
see Messag es
Side airbag .................................................4 0
Side impact protection ...........................1 90
Side windo ws <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 78
Child safetyloc kin there ar
passe nger com partment ................ .......6 3
Closin g............................................ ...... 78
Closin gusin gth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 80
Co nve nience closing featur e.......... .......8 0
Con venie nce openi ng <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> ..79
Ope ning <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011>78
Opening withth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 79
Pr obl em <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 80
Siz edes ignati on(tires) ........................... 438
Sliding sunroof...........................................8 1
Au tomatic functions .............................. 84
Closin g............................................ ...... 81
Closin gusin gth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 80Ope
ning <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 81
Opening withth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 79
Pr obl em <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 84
Ra inclos ingfunc tion .............................8 4
Smar tKey <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 65
Ac ous ticlocking verificati onsignal ....... 66
Batt ery <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011>67
Energy consumption .............................. 67
Fe atur es................................................ 65
Ke yring attachme nt<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ......67
Mec hanical key ...................................... 67
Ov ervie w ............................................... 65
Pa nic alar m <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011>66
Pr ob lem <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011>.69
Unl ocking setting .................................. 66
Sm artK ey functio ns
Deactiv ating.......................................... 67
Smar tphone
see Andr oidAuto
see Apple CarPla y®
see Mercedes-Benz Link
see Telephon e
Sno wch ains ............................................423 Inde
x55
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