2021 MERCEDES-BENZ A-CLASS SEDAN park assist

#
Immedia tely rinse batter yaci dof fth or‐
oughl ywit hplenty ofclean waterand
seek medica latt ention immediately . +
ENVIR
ONMENT ALNOTEEnvironme ntal
da ma gedue toimproper disposal ofbat‐
te ries Batt
eries con tain polluta nts. Itis
illeg alto dispose ofthem withth ehousehold
ru bbish. #
Dispose
ofbatt eries inan
en vironmen tally re sponsible manner.
Ta ke disc hargedbatt eries toaqu alif ied
spec ialistwo rkshop ortoacol lection
poin tfo rused batteries. If
yo uha ve todiscon nectth e12 Vbatt ery, con‐
ta ct aqu alif ied spec ialistwo rkshop. Com
plywit hsaf etyno tesand take protect ive
measur eswhen handling batteries. Risk
ofexplosion. Fir
e,open flames andsmokingar e
pr ohibi tedwhen handling thebatt ery.
Av oid creating sparks. Ele
ctroly teor batt eryacid iscor ro‐
siv e.Avoid cont actwithth eskin ,eye s
or clo thing. Wearsuit able protect ive
clo thing, inpar ticular glove s,an
apr onand afa ce mas k.Immedia tely
ri nse electr olyteor acid splashes off
wit hclean water.Con sult adoc torif
necessar y. We
arsaf etygl asses . Ke
ep childr enaway. Obser
vethis Opera tor's Manua l.
If yo udo notint endto use theve hicle overan
ex tende dpe riod oftime:
R Activatest andb ymode ,or
R Con nectth ebatt eryto abat tery charge r
appr ovedby Mer cedes-Ben z,or
R Consult aqu alif ied spec ialistwo rkshop to
discon nectth ebatt ery No
teson star ting assistance andchargin g
th e12 Vbatt ery Whe
nch argin gth ebatt eryand during star tin g
assis tance, alwa ys use thejum p-start connec‐
tion pointintheengine compartmen t. 27
4
Brea kdo wnassista nce

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
ä Malfunct ionDrive atMax.
50 mph *T
headjus table dam ping ismalfunc tioning. Thevehicle's handling charact eristic sma ybe affect ed. #
Donotdr ive at spe eds grea terth an 50 mph(80 km/h). #
Consult aqu alif ied spec ialistwo rkshop.
Parking Assistand
PARKTRONIC Inoperative
See Operator's Manual *
Ve hicl eswith Activ ePa rking Assis t:Ac tivePa rking Assistand Parking AssistPA RK TRONI Caremalf unction ing .
Ve hicl eswithout Activ ePa rking Assis t:Pa rking AssistPA RK TRONI Cis malf unction ing . #
Stop theve hicle inaccor dance withth etra ffic con dition sand restar tth eengine. #
Ifth edispla ymessag est ill appear s,con sult aqu alif ied spec ialistwo rkshop. 36
4
Displa ymessag esand warning/ indic ator lam ps

see
PRE-S AFE®
PL US (anticipat ory
occupant protect ion plus)
Apple CarPla y®
see Smar tphon eint egr ation
Assis tance systems
see Drivin gsaf etysy stem
ASS YSTPL US <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011>250
Batt erydi sconne ctionpe riods .............2 51
Dis play ing theser vice duedate........... 250
Fu nctio n/no tes ................................... 250
Re gular maint enance work <0011001100110011001100110011001100110011001100110011001100110011
00110011> 250
Spec ialser vice requ iremen ts.............. 250
ATA (anti-thef tala rm system) .................. 84
Ac tivati ng/d eactiv ating theint erior
mo tion sensor ......... .............................. 86
Ar ming/ disarming theto w- aw ay
alar m.....................................................8 5
Dea ctivating thealar m..................... ..... 85
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 84
Fu nctio nof theint erior motion sensor ..86
The tow- aw ay alar mfun ction .................8 5
AT TENTI ONASSIST <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 158, 160
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>158
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 160 Sy
stem limit ations ........................... ....1 58
At tention assistant
see ATTENTION ASSIST
Au thorized Mercedes- BenzCenter
see Qualif iedspec ialistwo rkshop
Au thorized workshop
see Qualif iedspecialis two rkshop
Au tomatic carwa sh mode
Ac tivati ng ........... ................................. 259
Au tomatic distanc eco ntr ol
se eAc tiveDis tance AssistDIS TRONI C
Au tomatic drivin glights ........... ............ ...110
Au tomatic engine star t(E CO star t/
st op fun ction) .......................................... 132
Au tomatic engine stop (ECO star t/
st op fun ction) .......................................... 132
Au tomatic fron tpass engerfr on tair‐
bag shutoff <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> 45,47
Fu nctio nof theaut omatic front
passeng erfront airbag shutoff......... ..... 45
PA SSENGER AIRBAGind icat orlam p.....4 7 Au
tomatic fron tpass engerfr on tair‐
bag shutoff
see Automatic front pass engerfront
airb agshut off
Au tomatic measures afte ran acciden t... 51
Au tomatic mirrorfo lding function
Ac tivati ng/d eactiv ating ........... ............120
Au tomatic trans mis sion
DIR ECT SELEC Tleve r..... ......................137
Dr ive pr og ram disp lay ..... .....................1 35
Dr ive pr ogr ams ....................................134
DY NA MIC SELE CTswitc h.................... 134
Eng aging drive po sitio n............ ........... 139
Eng aging neu tral ............ ...................... 138
Eng aging park position ........................ 138
Eng aging reve rsege ar .........................1 38
Kic kdo wn ....... ......................................141
Manual gearshif ting.............................1 40
St eer ing wheel paddle shifters ............ 140
Tr ans miss ionposit iondispla y.............. 137
Tr ans miss ionposit ions........................ 137
Au tomatic trans mis sion (problem)
se eTr ans miss ion(problem ) 396
Inde x

Ac
tivati ng/d eactiv ating thesync hro‐
nizat ionfunc tion (cont rolpanel) .......... 122
Ac tivati ng/d eactiv ating thesync hro‐
nizat ionfunc tion (MBUX multimedia
sy stem) .......................................... ...... 122
Air -reci rculati onmod e.................... .....1 23
Au tomatic control..... ...........................122
Callin gup theair con ditionin gmenu ...122
Con trol pan elfor3-zone automatic
clima tecontr ol<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> ........121
Fil ling cap acityforPA Goil ...................3 30
Fr ont airvents <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ............123
No te <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 121
Re ar air vents <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ..............124
Re frig er ant .......................................... 329
Re frig er ant filling capac ity.............. .....3 30
Re mo ving condensatio nfrom the
windo ws<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 123
Re sidua lheat ....................................... 123
Se tting (MBU Xmul time diasy stem) ..... 122
Ve ntil ating theve hicle (convenie nce
op eni ng) <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 78
Coc kpit .........................................................6
Ov ervie w .......................................... .......6 Cof
feecup symbol
see ATTENTION ASSIST
Collisi ondetection (parked vehicl e)...... 150
Comb inationswitc h................................ 110
Com puter
see On-boar dcom puter
Consum ption indicat or
Calling up........................................ .... 137
Con venience closing featur e....... ............. 79
Co nvenience opening................................ 78
Coolant (engine)
Capacit y.......................................... .... 328
Chec kleve l.......................................... 255
No tes ................................................... 327
Cop yrights
License .................................................. 35
Tr ademar ks<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 35
Co rnering light .........................................1 12
Cr oss Traf fic Aler t...................................1 99
Cr oss wind Ass ist
Fu nctio n/no tes ................................... 155 Cr
uise contr ol.......................................... 160
Ac tivati ng ........... ..................................161
Butt ons <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> .......161
Callin gup aspee d...............................1 61
Dea ctivating ............ .............................161
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 160
Re quiremen ts:...................................... 161
Sel ecting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 161
Se tting aspe ed <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 161
St or ing aspeed .................................... 161
Sy stem limit ations ...............................1 60
Cus tomer Assist ance Center (CAC ).........2 9
Cus tomer Relat ions Depar tment .............2 9 D
Dam pingad just men t........... ................... 184
Dash board
see Cockpit
Data acquisition
Ve hicle .................................................. 30
Data protection rights
Dat ast or ag e .......................................... 33 Inde
x399

Data
storage
Dat apr otect ion rights ..................... ...... 33
Elect ronic contr oluni ts <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 30
Onl ine service s<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> .............33
Ve hicle ............................................. ..... 30
Deactiv atingthealarm(ATA ).................... 85
Dealer ship
see Qualif iedspec ialistwo rkshop
Dec laration ofconf ormity
Wi reless vehicle component s................2 6
Decor ative fo il(cleaning instructions) ..261
Def initions (tiresand loading )...............3 04
De stinat ionentr y.... ................................ 223
En tering aPOI oraddress <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 223
De tectin ginat tentiv eness
see ATTENTION ASSIST
Diagnos ticsconnec tion............................2 7
Digita lOp erator' sMa nua l........................ 20
Dingh yto wing
see Tow- bar system
DIRECT SELECT leve r............ ...................137
Eng aging drive po sitio n............ ........... 139 Eng
aging neu tral ............. .....................138
Eng aging park position .................. ...... 138
Eng aging park position automatic ally .. 138
Eng aging reve rsege ar .................... .....1 38
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>137
Disp lay(car e)...........................................2 63
Di spla y(MBUX multimedia system)
Hom escr een .......................................2 09
Di spla y(multime diasystem) .................. 210
Oper ating ............................................. 210
Disp lay(on- boardcom puter)
Dis play son themultifunc tiondispla y.. 205
Displa ymessag e.....................................3 32
Ca lling up (on-boa rdcom puter) ..... ......3 32
No tes .................................................. 332
Displa ymessag es
00B2 ---mp h...................................... 357
ç ---mp h...................................... 357
003D 12VBatt erySee Oper ator's
Manual ................................................ 370
: ActiveHea dlamps Inoperati ve .... 339 é
ATTENTION ASSISTInoper ative
... ..........................................................3 56
é ATTENTION ASSIST: Take a
Br ea k! <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>........357
: Automatic HeadlampMode
Inoper ative..... ..................................... 338
û BeforeSt artin gth eEn gine,
Tu rn Steer ing Wheel ............................3 42
0027 CheckBrak eFlu idLevel.............3 55
0026 CheckBrak ePa ds See Oper a‐
to r's Manua l...... .................................. 356
00BD CheckCool antLevelSee Oper‐
at or's Manual ...................................... 344
00B3 CheckEn gine OilLevel(A dd 1
qu art) .................................................. 377
: CheckLef tLo wBeam (exa m‐
ple) ...................................................... 338
0077 CheckTire s ................................ 373
00B2 CheckWa sher Fluid ...................3 44 400
Index

De
vic eDe tected atDia gnos ticsCon‐
nectio nSee Operator's Manua l...... ..... 369
Dr iver's Door Open &Trans miss ion
No tin PRisk ofVehicle Rolling Away ... 347
Fr ont Passeng erAirbag Disabled See
Oper ator's Manual ...............................3 34
Fr ont Passeng erAirbag Enabled See
Oper ator's Manual ...............................3 34
Hazard Warning Flashe rsMalfunc‐
tioning .................................................3 40
N Pe rm anen tly Ac tiveRi sk ofRo lling
Aw ay <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 347
Only Shiftto 'P' when Vehicle isSta‐
tio nar y.................................................3 46
Pa rking Assistand PARK TRONI C
In operativ eSe eOperat or'sMan ual.....3 64
Pa rking LockIno per ativ eAppl yPa rk‐
ing Brak e.............................................3 49
Pla cetheKe yin theMar kedSpace
See Oper ator's Manual ........................ 337 PRE-S
AFEInoper ativeSee Oper a‐
to r's Manua l...... .................................. 335
Re versing NotPo ssible Service
Re quired .............................................. 348
Ru nFla tIndi catorInop erati ve .............. 376
Ser vice Required Do NotShif tGear s
Vi sit Dealer .......................................... 348
Te ac hin gin Trans miss ionCom plete .... 349
Te ac hin gin Trans miss ionOper ate
Sel ectorLeverAppl yBr ak efo rXX s
Ris kof Vehicle Rolling Away ................ 349
Ti re Press. Monit orCur rently
Un available .......................................... 372
Ti re Press. Monit orInopera tive ............ 372
Ti re Pressur eMonit orInopera tiveNo
Wheel Sensors .....................................3 72
Ti re sOv erheat ed................................. 374
To Dese lect Por N, Dep ress Brak e
and StartEn gin e.................................. 347 To
switc hengine off,pr ess and hold
St art/ Stop butt onforat lea st3sec‐
onds orpress 3times. ........................344
Tr af fic Sign AssistCur rently Unavail‐
able SeeOperat or'sMan ual................ 360
Tr af fic Sign AssistInoper ative.... .........3 60
Tr ans miss ionMalfun ction .................... 348
Tr ans miss ionMalfun ction Service
Re quired .............................................. 350
Tr ans miss ionMalfun ction Stop ........... 348
Displa yon thewindsh ield
see Head- upDis play
Dis tance control
see ActiveDis tance AssistDIS TRONI C
DI ST RO NIC
see ActiveDis tance AssistDIS TRONI C
Do or
Ch ild sa fety lock (rear door s)................ 63
Loc king(emer gency key) .......................7 2
Opening (from inside) ............................7 0
Un loc kin g(emer gency key) .................... 72
Un loc kin g(fr om insid e).........................7 0 Inde
x403

Door
controlpan el.....................................1 6
DO T,Tire Iden tificat ionNumbe r(TI N) ... 300
Dr aw bar
see Tow- bar system
Dr inking anddriving ................................ 129
Dr ive Awa yAssis t.... ................................ 198
Dr ive Awa yAssis t
see Protect ion agains tcollision
Dr ive position
Inser ting..............................................1 39
Dr ive pr og ram dis pla y........... ..................135
Dr ive pr og rams
se eDY NA MIC SELE CT
Dr iver's seat
see Seat
Dr iving safetysy stem .............................. 151
ABS (Anti-lock Braki ng System) ........... 153
Ac tiveBr ak eAssi st<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 173
BA S(Br akeAssi stSystem) .................. 153
Cameras .............................................. 152
EBD (electr oni cbr ak efo rc edis tribu‐
tion )..................... ................................ 155 ESP
®
Cr oss wind Assi st<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 155
Ov ervie w .......................................... ... 152
Ra dar and ultrasonic sensors........ ...... 152
Re sponsibili ty....................................... 151
ST EER CONTR OL............. ....................156
Dr ivin gsy stem
Susp ension withadap tivedam ping
adjus tment .......................................... 184
Dr ivin gsy stem
see 360° Camer a
see ActiveBli nd Spo tAssi st
see ActiveDis tance AssistDIS TRONI C
see ActiveEmerg encyStop Assis t
see ActiveLa ne Chang eAssi st
see ActiveLa ne Keeping Assist
see ActivePa rking Assist
see ActiveSpe edLimi tAssi st
see ActiveSt eer ing Assis t
see ATTENTION ASSIST
see Blind SpotAssis t
see Cruise control
see Driving safetysy stem
see HOLD function
see Parking AssistPA RK TRONI C
see Rear vie wcam era see
Start-of fassis t
see Traf fic Sign Assist
Dr ivin gtips
Dr ink ing and drivin g............................ 129
Gene raldr ivin gtips .............................1 29
No teson breaking-in ane wvehicle ..... 129
Dr ow siness detection
see ATTENTION ASSIST
Dynamic handlingcontrolsystem
see ESP®
(Ele ctro nic Stabilit yPr og ram)
DY NA MIC SELECT .................................... 134
Con figur ing drive pr ogr am I... .............. 136
Dis play ing engin edat a........................ 136
Dis play ing vehicle data........................ 136
Dr ive pr og ram disp lay ..... .....................1 35
Dr ive pr ogr ams ....................................134
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>134
Oper ating (DYN AMIC SELECTswitc h)
... ..........................................................1 35
Selecti ngthedr ive pr ogr am ................1 35
DY NA MIC SELECT switch
Dam ping adjustment ........................... 184 40
4
Inde x

Online
services
Dat ast or ag e ............ .............................. 33
Open-sour cesof tware .............................. 35
Opening thetrunk lidusing your foot
HANDS-FREE ACCES S.................... .......7 5
Oper ating fluids
Ad ditiv es(fuel) ................................ .... 326
Br ak efluid ...................................... .....3 27
Coolan t(en gine) ............................ ...... 327
En gin eoil ............................................ 326
Fu el(gasoline) ................................. ....3 25
No tes ..................... ............................. 323
Re frig er ant (airconditio ningsystem) ...329
Wi ndsh ield wa sher fluid .................. .... 328
Ope ratin gsaf ety
Decl arati on ofconf ormity (wirel ess
ve hicle component s)............................. 26
Inf ormation ............................................ 25
Oper ating system
see On-bo ardcom puter
Oper ator' sMan ual
Ve hicle equipment ................................. 23
Oper ator's Manual (digital) ......................2 0 Ov
erhead controlpanel
Ov ervie w .......................................... ...... 14 P
Pa int code ................................................ 322
Pa intw ork(cleaning instructions) .........2 60
Pa nic alar m................................................ 67
Ac tivati ng/d eactiv ating ........... ..............67
Pa nor ama roof wit hpo we rtil t/s lidin g
pane l
see Sliding sunroo f
Pa rk pos ition
Inser ting<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> .............138
Sel ecting automatical ly<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 138
Pa rking
see Elec tric par kingbr ak e
Pa rking aid
see Parking AssistPA RK TRONI C
Pa rking Assis tPA RK TRONI C<0011001100110011001100110011001100110011001100110011001100110011
00110011> 189
Ac tivati ng ........... ................................. 193
Ad jus ting warning tones <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 194
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>189
Sid eim pa ct protect ion ..................... ... 192 Swi
tching off<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 193
Sy stem limit ations ...............................1 89
Pa rking assis tance systems
see ActivePa rking Assist
Pa rking brak e
see Elec tric par kingbr ak e
Pa rking foran extended period .............. 150
Pa rking light s...........................................1 09
Pa rking posit ion
Ex terior mir rors <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 119
St or ing theposition ofthefront -
passeng eroutside mirrorusi ng
re ve rsege ar .........................................1 20
PA SSEN GERAIRBAGstatus displa y
see Automatic front pass engerfront
airb agshut off
Pa yload
Calculat ionexam ple ............................ 297
De term inin gth emaximum .................. 296
Pe riod out ofuse
Ac tivati ng/d eactiv ating standb y
mode ...................................................1 51
St andb ymode function ........................ 151 41
2
Inde x