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

Digita
l– in theve hicl eV ehicledocument walletD igital–on theInt erne tD igital–as an app
Fa mili arize yourself withth econ ‐
te nts oftheOper ator's Manual
dir ect lyvia theve hicle's multi‐
media system (menu item "Vehi‐
cle information ").Startwit hth e
qu ick guide orbroaden your
kn ow ledg ewit hpr act ical tips. Her
eyo ucan find com prehe n‐
si ve informatio nabout operating
yo ur vehicle andabout services
and guar antees inprint ed form . Yo
ucan find theOper ator's Man‐
ual ontheMer cedes- Benzhome‐
pag e. The
Mercedes- BenzGuides app
is available free- of-charge in
fa mili arapp stor es. É177
58433109ËÍ
1775843310 Apple
®
iOS AndroidTM Or
der no.P177 065 113 Partno. 17758 433 10
Edi tionB 202 1 A-
Class Ope
rator's Manu al
Merc edes-BenzMercedes-Benz A-Class

Publication
details
Int erne t
Fu rther information aboutMercedes-Ben zve hi‐
cles andabout Mercedes‑Ben zAG can befound
on thefo llo wing websit es:
htt ps:/ /www .mbusa. com(USAonl y)
htt ps:/ /www .mercedes- benz.ca(Canada only)
Documentation team
© Mer cedes ‑Benz AG:No tto be repr int ed, trans‐
lat ed orother wise repr oduced, inwhole orin
par t,wit hout written per mission from
Mer cedes‑ BenzAG .
Ve hicl emanuf acturer
Mer cedes‑Benz AG
Mer cedess traße 120
703 72Stutt gart
Ger man y Fr
ont passeng erair bag warning Airb
agwarning sticke rfo rUS Aand Canada &
WARNIN GRisk ofinju ryor deat hif th e
co-dr iver airba gis ena bled
If th eco- driver airbag isenabled, ach ild on
th eco- driver seat maybe stru ck bytheco-
dr iver airbag during anacciden t.
NEVE Ruse are ar wa rd-faci ng child restra int
sy stem onaseat withan ENABL EDFRONT
AIRB AG;DE ATHor SERIOU SINJU RYtothe
CH ILD can occur . Obser
vethech ap ter"C hild renin theve hicle".
Asat09.0 4.20

Thank
youfo rpur chasin gaMer cedes-Be nz
Bef oreyo ufirs tdr ive of f,re ad this Oper ator's
Manual carefull yand famili arize yourself with
yo ur vehicle. Foryo ur ow nsa fety and along er
op erati ng life span oftheve hicle, follo wthe
ins truct ions andwarning notic es inthis Opera ‐
to r's Manua l.Disr egarding them maylead to
damag eto theve hicle orinjur yto people.
Damag eto theve hicle resulting from thedisr e‐
ga rd oftheins truction sis no tco veredby the
Mer cedes-Ben zLimit edWarrant y.
The standar deq uipme ntand produc tdesc ript ion
of your vehicle mayva ry and depen dson thefo l‐
lo wing fact or s:
R Mod el
R Order
R National version
R Availabilit y
Mer cedes-Ben zre ser vesth eright tointroduce
ch ang esinthefo llo wing areas:
R Des ign
R Equipmen t R
Tech nica lfe atur es
The equipme ntinyour vehicle mayth er efor edif‐
fe rfr om that sho wninthedescr iption sand illus‐
tra tion s.
The follo wing docum entsar eint egralpar tsof
th eve hicle:
R Digit alOper ator's Manual
R Print ed Oper ator's Manual
R Maint enance Booklet
R Eq<0058004C00530050004800510057001000470048005300480051004700480051
0057> Supplements
Ke ep these documen tsintheve hicle atall
times. Ifyo usell theve hicle, alwayspass allof
th edocumen tson tothene wow ner .
Mer cedes-Be nzUS A,LLC
Mer cedes-Benz Canada,Inc.
A Daimle rCom pany
1775843310
1775843 310

Symbols
........................................................ 5 At
agl ance ....................................................6
Coc kpit ....... ..................... ..................... ..........6
Indica torand warning lam ps(stan dar d)........ 10
Indicat orand warning lam ps(Wide‐
scr een Cockpit)............................................ 12
Ov erhead controlpanel ................................ 14
Doo rop erati ng unitand seatad jus tment .....16
Emerg enciesand brea kdo wns ............ .......... 18 Digita
lOp erator&#39; sMa nua l......................... 20
Callin gup theDigit alOper ator&#39;s Manual ...... 20 Gener
alno tes... .......................................... 22
Pr otect ing theen vironmen t... ....................... 22
Genuine Mercedes- Benzparts......................2 2
Oper ator&#39;s Manual ........................... .............2 3
Ser vice andvehicle operation ......... .............. 24
Oper ating safety...........................................2 5
Decl arati on ofconf ormity forwireless
ve hicle component s... ..................................2 6
Dia gno stics con nection ................................ 27 Qua
lified speci alistwo rkshop ....................... 28
Cor rect useof theve hicle ............................2 8
No tesfo rper sons withelectr onicmedi‐
cal aids..... ........................................ ............ 28
Pr oble mswithyo ur vehicle ............... ............ 29
Re por tingsaf etydef ects ...............................2 9
Limit edWarrant y.......................................... 30
QR cod efo rre scue card... ............... .............3 0
Dat ast or ag e... ..............................................3 0
Cop yright ...................................................... 35 Occup
antsafety.... .....................................36
Re stra int system .............................. .............3 6
Sea tbel ts<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 38
Airb ags<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 42
PR E-S AFE ®
sy stem ....................................... 50
Au tomatic measu resaf te ran accide nt..... .... 51
Saf ely transp orting childr enintheve hi‐
cle ...... ........................................................... 51
No teson pets intheve hicle ............ .............6 5 Opening
andclosing .................................. 66
Smar tKey <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 66
Door s<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 70Tr
unk ............................................................ 73
Sid ewi ndo ws<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 77
Sli ding sunroof <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 80
Anti-t heftpr otect ion .....................................8 4 Seats
andstowing ...................................... 87
No teson thecor rect driver&#39;s seatpos i‐
tion <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011>.......87
Sea ts<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 88
St eer ing wheel ..............................................9 5
Eas yentr yand exitfeatur e...........................9 6
Memor yfunct ion.......................................... 97
St ow agear eas .............................................. 98
Soc kets ........... ............................................ 105
Wi reless chargin gof themobile phone
and connect ionwithth eex terior ant enna ..105
Ins talling/ remo ving thefloor mats .............1 07 Light
andvisibili ty................................... 10 9
Ext eriorlighti ng............. .............................109
Int erior ligh ting ............................................ 114
Wi ndsh ield wipe rand windsh ield wa sher
sy stem ........................................................ 115
Mir rors <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 117 2
Contents

Clim
atecontr ol......................................... 121
Ov ervie wof climat econt rolsy stems ..........1 21
Oper ating theclimat econ trol system ......... 121 Dr
ivin gand parking ................................. 125
Dr iving ............ ........................ ............ ........125
DY NA MIC SELE CTswitc h... .........................1 34
Au tomatic transmiss ion.............................. 137
Fu nctio nof the4MA TIC...............................1 41
Re fuel ing...... .............................................. 142
Pa rking .......................................................1 44
Dr iving and drivi ng safety systems .............. 151
Ve hicle towing instruct ions .........................2 00 Ins
trument Displa yand on-b oard
co mp uter ...... ............................................201
No teson theIns trument Displayand on-
boar dcom puter.......................................... 201
Ins trument displayove rview ............ ...........2 02
Ov ervie wof thebutt ons onthesteer ing
wheel .................. ........................................2 03
Oper ating theon- boar dcom puter.............. 203
Ov ervie wof what issho wnonthemulti‐
func tion displa y... ....................................... 205 Head-up
Display... ...................................... 205 MBUX
multimedia system ...................... 208
Ov ervie wand oper ation .................. ............ 208
Sy stem settings .............................. ............ 217
Na vig ation .......................................... .........221
Te lephon e........................................ ...........2 26
Mer cedes meand apps....... .............. .........230
Mer cedes -Benz emergency callsy stem ...... 238
Ra dio &media .................................. .......... 242
Sou ndsettings <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 249 Maint
enanc eand care...... ....................... 250
ASS YSTPL US service interva ldispla y........ 250
En gine compartment ...................... ............ 251
Chec kingth ebr ak epad thickn ess ...............2 57
Clean ingand care.......................................2 57 Br
eak down assista nc e<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 265
Emerg ency<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 265
Fla ttir e<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 266
Batt ery(v ehi cle)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 273
To w star tin gor towing away <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 278 Ele
ctrica lfu ses ............ ...............................283 Whe
elsand tires ............ ..........................287
No teson noise orunusua lhandling char‐
act eristic s...................................................2 87
No teson regular lyinsp ecting wheels and
tir es ............................................................ 287
No teson sno wch ains ................................ 288
Ti re pressur e.............................................. 288
Loading theve hicle .................................... 295
Ti re labeling ................................................ 299
Def inition ofterm sfo rtir es and loading ..... 304
Cha nging awhee l..... .................................. 307
Emer gency sparewheel .............................. 317 Te
ch nical data.......................................... 320
No teson tech nica lda ta <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 320
Ve hicle electr onics .....................................3 20
Ra dio oper ating permits forve hicle com‐
ponent s... ................................................... 322
Ve hicle identif ication plate,VIN and
engine number overview ............................ 322
Opera tingfluids .......................................... 323
Ve hicle data... ............................................. 330 Cont
ents 3

Disp
laymes sagesand warning/indi‐
cat orlam ps.............................................. 332
Displa ymessag es........ .................... ...........3 32
Wa rning and indic ator lam ps...................... 379 Inde
x......................................................... 39 4 4
Contents

In
this Oper ator&#39;s Manual, youwill find thefo l‐
lo wing symbols : &
DANG ER Dan gerdue tonotob ser ving
th ewa rning notic es
Wa rning notic es draw your att entio nto haz‐
ar ds that ma yend angeryour healt hor life, or
th ehealt hor life of other s. #
Obser vethewa rning notic es. +
ENV
IRONM ENTALNOTEEnvironme ntal
da ma gedue tofailur eto obser veenvi‐
ro nment alno tes En
vironme ntal no tesinclude information on
en vironment allyresponsible behaviororenvi‐
ro nment ally responsible disposal. #
Obser veenvironmen talno tes. *
NO
TEDama getoproper tydue tofailur e
to obser venoteson mat erial damag e No
teson mat erial damag einf orm youof
ri sk swhic hma ylead toyour vehicle being
damag ed. #
Obser venoteson mat erial damag e. %
These symbols indicateuseful instructions
or fur ther information that coul dbe helpf ul
to you.
# Instru ction
(/ page)F urther information onato pic
Display Inf
ormation onthemultifunc tiondis‐
pla y/media display
4 Highestmenu leve l,whic his to be
select edinthemultimedia system
5 Releva nt subme nus,wh ich ar eto be
select edinthemultimedia system
*I ndicat esacau se Sym
bols 5

Lef
t-hand-dr ive ve hicles 6
Ataglanc e– Coc kpit

1
Steer ing wheel gearshif tpaddles →
140
2 Comb inationswit ch →
110
3 Instrument display →
202
4 DIRECT SELECT leve r →
137
5 Start/ stop butt on →
126
00D6 ECOstar t/ stop funct ion →
133
6 Media display →
208
7 Climat econt rolsy stems →
121
8 002F Hazardwa rning light system →
111
9 PASSENGER AIRBAGind icat orlam ps →
47
A Glovebox →
100
B Stor ag ecom partmen t →
100
C Cup holder
D 0063 Controller forvo lume andswitc hing
sound on/off →
208
00D0 Switches theMBUX multimedia system
on/ off →
208 E
z Callsupnavig ation →
210
F | Callsupradio ormedia →
210
G 002B Callsupthete lephon e →
210
H ß Callsupfavo rite s →
210
I y Callsupvehicle functions →
210
J c ActivePa rking Assist →
196
K DYNA MIC SELE CTswitc h →
135
L Touc hpad →
210
M Control pan elforth eMBUX multimedia sys‐
te m →
203
N Adjus tsthesteer ing wheel →
95
O ý Switchesthesteer ing wheel heater
on/ off →
95
P Contr olpanel:
On- boar dcom puter →
203
Cr uise control →
161
Ac tiveDis tance AssistDIS TRONI C →
164 At
aglanc e– Coc kpit 7

Q
Diagno stics con nection →
27
R Opens thehood →
251 S
0024 Electric pa rking brak e →
148
T Light switch →
109 8
Ataglanc e– Coc kpit