display MERCEDES-BENZ A-CLASS SALOON 2021 Owners Manual

Changing bulbs (only
forve hicles with hal-
ogen headlamps) ......................................... 139
Wi ndsc reen wipers and windscreen
wa sher system ............................................ 141
Mir rors ........................................................ 144 Climat
Climat
e contr
e control ol........................................... 147 147
Overview of climate control systems ............ 147
Operating the climate control system .......... 148 Dr
Dr
iving and par
iving and par king
king..................................... 156 156
Driving ........................................................1 56
DY NAMIC SELECT switch ........................... .172
Manual transmission ................................... 175
Au tomatic transmission .............................. .177
Fu nction of the 4MATIC ...............................1 81
Re fuelling .................................................... 182
Charging the high-voltage battery (plug-in
hy brid) ........................................................ 188
Pa rking .......................................................2 05
Driving and driving saf ety sy stems ............... 213
Tr ailer hitch ................................................ .264
Bicycle rack function ................................... 268
Ve hicle towing instructions .......................... 270 Ins
Ins
tr
trument displa
ument displa y and on-boar
y and on-boar d com-
d com-
put
put er
er........................................................... 271 271
No tes on the inst rument display and on-
board computer .......................................... 271
Overview of instrument display .................... 272
Overview of buttons on the steering wheel ... 273
Operating the on-board computer ................2 73
Fu nction of the po wer me ter (plug-in
hy brid) ........................................................ 275
Fu nction of the electric mo tor po wer
av ailability displ ay(plug-in hybrid) ................ 275
Displaying the po wer me ter (plug-in
hy brid) ........................................................ 276
Overview of displa ysinthe inst rument
display ........................................................ 276
Head-up display .......................................... 276 MBUX multimedia syst MBUX multimedia syst
em
em........................... .279
279
Overview and operation ............................... 279
System settings .......................................... 288
Plug-in hybrid settings ................................ .292
Na vigation .................................................. .293
Te lephone ................................................... 302
Mercedes me app ....................................... 305 Mercedes-Benz emer
gency call system ....... 314
Ra dio & media ............................................ .318
Sound settings ............................................ 323 Maint Maint
enance and car
enance and car e
e................................. 324 324
ASS YST PLUS service inter val display .......... 324
Engine compartment ................................... 325
Cleaning and care ....................................... 331 Br Br
eakdo
eakdo wn assist
wn assist ance
ance................................. 340 340
Emer gency .................................................. 340
Flat tyre ...................................................... 342
Battery (vehicle) .......................................... 349
To w- starting or towing away ........................ 354
Electrical fuses ............................................ 360 Wheels and tyr Wheels and tyr
es
es......................................... 363 363
No tes on noise or unusual handling char-
acteristics ................................................... 363
No tes on regula rly inspecting wheels and
tyres .......................................................... .363
No tes on snow chains ................................. 363
Ty re pressure .............................................. 364 Contents
3 3

Wheel
change ............................................. 368
Emer gency spa rewheel .............................. .378 T
T
ec
ec hnical dat
hnical dat a
a............................................. 381 381
No tes on tech nical data .............................. 381
On-board electronics ................................... 381
Re gula tory radio identi/cation and no tes ..... 383
Ve hicle identi/cation plate, VIN and
engine number overview .............................. 384
Operating 0uids ...........................................3 85
Ve hicle data ................................................ 395
Tr ailer hitch ................................................ .397 Displa Displa
y messag
y messag es and w
es and war
arning/indicat
ning/indicat or
or
lam
lam ps
ps.......................................................... 401 401
Display message s ....................................... .401
Wa rning and indicator lamps ....................... 468 Inde
Inde
x
x.......................................................... 484 4844
4
Contents

In
this Owner's Manual, you will /nd thefo llowing
symbols: &
W
W ARNING
ARNING Danger due tonot observing
th ewa rning notices
Wa rning notices dr awyour attention tohaz-
ards that may endanger your health or life, or
th e health or life of others. #
Obser vethewa rning notices. +
ENVIR
ENVIR
ONMENT
ONMENT AL NO
AL NOTE
TEEnvironmental
damage due tofailure toobser veenviron-
mental no tes Environmen
tal no tes include information on
environmentally responsible behaviour or envi-
ro nmentally responsible disposal. #
Obser veenvironmental no tes. *
N
NO OTE
TE Damage toproperty due tofailure
to obser venotes on material damage No
tes on material damage inform you of risks
which may lead toyour vehicle being dam-
aged. #
Obser venotes on material damage. %
These symbols indicate useful instructions or
fu rther information that could be helpful to
yo u.
# Instruction
(/ page) Further information on a topic
Display Display /eld in the Instrument Dis-
play/media display
4 Highest menu le vel, which is tobe
selected in the multimedia system
5 Releva nt submenus, which are tobe
selected in the multimedia system
*I ndicates a cause Symbols
5
5

1
Steering wheel gearshiT paddles →
179
2 Combination switch →
132
3 Instrument displ ay →
272
4 DIRECT SELECT le ver →
177
5 ü Start/stop but ton →
160
è ECO start/s top function →
167
6 Media display →
279
7 Climate control systems →
148
8 £ Hazard warning light system →
133
9 PASSENGER AIR BAG indicator la mps→
57
A Glovecompartment →
120
B Stow age compartment →
120
C Cup holder
D 8 Controller forvo lume and switching
sound on/o. →
279
Ü Switches the MBUX multimedia system
on/o. →
279 E
z Calls up navigation →
281
F | Calls up radio or media →
281
G % Calls up thete lephone →
281
H ß Calls up favo urites →
281
I y Calls up vehicle functions →
281
J c Active Parking Assist →
260
K DYNAMIC SELECT switch →
173
L Touchpad →
281
M Control panel forth e MBUX multimedia system →
273
N Adjusts the steering wheel →
114
O ý Switches the steering wheel heater
on/o. →
115
P Control panel:
On-board computer →
273
Cruise control or variable limi ter →
224
I Active Distance Assist DISTRONIC →
228
Q Diagnostics connection →
38 At
a glance – Cockpit
7
7

1
Instrument displ ay:
õ Operational readiness →
271
Po we rav ailability displ ay →
275
Po we r me ter →
275
Tr ip computer →
271
ECO Assist →
170
2 Media displa y:
Plug-in hybrid settings →
292
Energy 0ow display →
293 3
& Switches immediate pre-ent ryclimate
cont rol on/o. →
152
4 A Sets pre-entry climate control for depar-
ture time →
151
5 DYNAMIC SELECT switch →
172
6 \ Calls up the EQ menu →
292
7 qReduces recuperation →
169
8 ±Increases recuperation →
169
9 6 Depressurises the fuel tank →
182 At
a glance – Cockpit (Plug-in-Hybrid)
11
11

Wi
descreen cockpit instrument display 14
14
At
a glance – Indicator and warning lamps (widescreen cockpit)

1
#! Turn signal lights →
132
2 ï Trailer hitch →
472
3 6 Restraint system →
469
4 å ESP®
OFF →
480
÷ ESP®
→
480
5 R Rear fog light →
131
6 K High beam →
132
L Low beam →
130
T Standing lights →
130
7 ÿ Coolant temp erature →
473
8 Coolant temp erature display →
272
9 ! Electric parking brake (yellow) →
477
A J Brakes (yellow) →
477
B # Electrical fault →
473 C
L Distance warning →
479
D ! ABS →
480
E Ù Powe r steering →
472
F h Tyre pressure monitoring system →
482
G % Diesel engine: preglow
H æ Reser vefuel wi thfuel /ller 0ap location
indicator →
473
I Fuel le vel →
272
J ! Electric parking brake (red) →
477
K ü Seat belt →
469
L J Brakes (red) →
477
M ; Engine diagnostics →
473
N ä Indicator lamp inoperative At
a glance – Indicator and warning lamps (widescreen cockpit)
15
15

Calling up t
Calling up t
he Digit
he Digital Owner's Manual
al Owner's Manual
Multimedia system: 4 © 5
Info 5
Owner's Manual 5
Õ The Digital Owner's Manual describes
the func-
tions and operation of theve hicle and the multi-
media system. #
Select one of thefo llowing menu items in the
Digital Owner's Manual:
R Search: sear chforke ywords in order to/nd
qu ick answers toquestions about the opera-
tion of theve hicle.
R Quick start: here is where you /nd the /rst
steps towa rds setting up your vehicle. R
Tips: /nd information that prepares youfor
cer tain eve ryday situations with your vehicle.
R Animations :wa tch animations of theve hicle
functions.
R Messages: receive additional information
about the messages in the Instrument Displa y.
R Bookmarks :ga in access toyour personally
sa ved bookmar ks.
R Language: select the language forth e Digital
Owner's Manual. 1
Back
2 Adds bookmar ks
3 Pictu re 4
Contents section
5 Directions of mo vement of contents section
6 Menu
Some sections in the Digital Owner's Manual,
such as warning no tes, can be expanded and col-
lapsed.
A A dditional met
dditional met hods of calling up t
hods of calling up t he Digit
he Digital Own-
al Own-
er's Manual:
er's Manual:
Dir Dir ect access:
ect access: openthere qu ired content in the
Digital Owner's Manual bypressing and holding
an entry on theta b bar in the multimedia system: Ins
Instr
trument Display
ument Display :
:call up brief information as
display messages in the inst rument clus ter 22
22
Digital Owner's Manual

Pr
ot
Pr otection of t
ection of t he en
he envir
vironment
onment
+ ENVIR
ENVIR
ONMENT
ONMENT AL NO
AL NOTE
TE Environmental
damage due tooperating conditions and
personal driving st yleThe pollutant emission of
theve hicle is
directly related tothewa yyo u operate the
ve hicle.
Operate your vehicle in an environmentally
re sponsible manner tohelp pr otect the envi-
ro nment. Please obser vethefo llowing recom-
mendations on operating conditions and per-
sonal driving st yle.
Oper
Oper ating conditions:
ating conditions: #
Make sure that the tyre pressure is cor-
re ct. #
Do not car ryany unnecessary weight
(e.g. roof luggage rack s once you no lon-
ge r need them). #
Adhere tothe service inter vals.
A regula rly serviced vehicle will cont rib-
ute toenvironmental pr otection. #
Always ha vemaintenance workcar ried
out at a quali/ed specialist workshop.
P
P er
er sonal dr
sonal dr iving s
iving stytyle:
le: #
Do not depress the accelerator pedal
when starting the engine. #
Do not warm uptheve hicle while sta-
tionar y. #
Drive carefully and maintain a suitable
distance from theve hicle in front. #
Avoid frequent, sudden acceleration and
braking. #
Change gear in good time and use each
ge ar only up toÔ of its maximum
engine speed. #
Switch o. theve hicle in stationary traf-
fi c, e.g. byusing the ECO start/s top
function. #
Drive in a fuel-e1cient manner. Obse rve
th e ECO display for an economical driv-
ing style. Plug-in h Plug-in h
ybr
ybrid
id
+ ENVIR
ENVIR
ONMENT
ONMENT AL NO
AL NOTE
TEEnvironmental
pollution caused byirre sponsible disposal
of the high-voltage battery A high-voltage battery contains materials
which are harmful
tothe environment. #
Dispose of faulty high-voltage batteries
at a quali/ed specialist workshop. T T
ak
ak e-bac
e-bac k of end-of-lif
k of end-of-lif e v
e vehicles
ehicles
EU countr EU countr ies only:
ies onl y:
Mercedes-Benz will take back your end-of-life
ve hicle for environment-fri endly disposal in
accordance with the European Union (EU) End-of-
Life Vehicles Directi ve.
A network of vehicle take -back points and dis-
mantlers has been established foryo uto return
yo ur vehicle. You can lea veit at any of these
points free of charge . This makes an impor tant
cont ribution toclosing there cycling circle and
conserving resources. 24 24
Gene
ral no tes

Dat
Dat
a st
a st or
orage
age Dat
Dat
a pr
a pr ocessing in t
ocessing in t he v
he vehicle
ehicle Electr
Electr
onic contr
onic contr ol units
ol units
Electronic control units are /t tedinyour vehicle.
Control units process data which, forex ample,
th ey receive from vehicle senso rs,ge nerate them-
sel ves or exch ange between themsel ves. Some
cont rol units are requ ired forth e safe operation of
yo ur vehicle, some assist you when driving, such
as driver assistance systems, while others enable
con venience or inf otainment functions.
The following pr ovides you with general informa-
tion rega rding data processing in theve hicle.
Ad ditional information rega rding exactly which
data in your vehicle are collected, sa ved and
transmitted tothird parties, and for what purpose,
can be found in the information directly related to
th e functional characteristics in question in their
re specti veoperating instructions. This information
is also available online and, depending on the
ve hicle equipment, digitall y. P
P er
er sonal data
sonal data
Every vehicle is identi/ed bya unique vehicle
identi/cation number. Depending on the countr y,
th is vehicle identi/cation number can be used by,
fo rex ample, go vernmental authorities todeter-
mine the identity of theow ner. There are other
possibilities touse data collected from theve hicle
to identify theow ner or driver, such as the licence
plate number.
Therefore, data generated or processed bycont rol
units may be attributable toa person or, under
cer tain conditions, become attributable toa per-
son. Depending on which vehicle data are availa-
ble, it may be possible tomake inferences about,
fo rex ample, your driving behaviour, your location,
yo ur route or your use patterns.
Leg
Leg al r
al req
equir
uir ements r
ements r eg
egar
arding t
ding t he disclosur
he disclosur e of
e of
data
data
If legally requ ired todo so, manufacturers are, in
individual cases, legally obliged toprov ide go vern-
mental entities, upon requ est and totheex tent
re qu ired, data stored bythe manufacturer. For
ex ample, this may be the case during the in vesti-
ga tion of a criminal o.ence. Go
vernmental entities are themsel ves, in individ-
ual cases and within the applicable legal frame-
wo rk, authorised toread out data from theve hi-
cle. In the case of an accident, information that
can help with an in vesti gation can, therefore, be
ta ke n from the airbag control unit, forex ample.
Oper
Oper ational dat ational dat a in t
a in the v
he vehicle
ehicle
This is data rega rding the operation of theve hicle,
which ha vebeen processed bycont rol units.
This includes thefo llowing data, forex ample:
R vehicle status information such as the speed,
longitudinal acceleration, lateral acceleration,
number of wheel revo lutions or thefa stened
seat belts display
R ambient conditions, su chastemp erature, rain
sensor or distance sensor
Generall y,the use of these data is temp orar y;
th ey will not be stored be yond the period of oper-
ation and will only be processed within theve hicle
itself. Control units oTen contain data memories
fo rve hicle keys,fo rex ample. Their use permits
th ete mp orary or permanent documentation of
te ch nical information about theve hicle's operat- 42 42
Gene
ral no tes