MERCEDES-BENZ A-CLASS SALOON 2021 Owners Manual

Br
Br
ak
ak es
es
ABS (Anti-lo ckBraking System).............. 215
Ac tive Brake Assist................................. 235
Ad aptive brake lights.............................. 220
BAS (Brake Assist System).................... .216
Driving tips............................................ 163
EBD (Electronic Brake forc e Distribu-
tion).......................................................2 18
HOLD function....................................... 219
Limited braking e.ect (salt-treated
ro ads)................................................... .163
Ne w/replaced brake linings/brake
discs...................................................... 162
Po st-collision brak e.................................. 60
Ru nning-in no tes.................................... 162
Br
Br ak ak es
es
see Recuperation
Br Br aking assist aking assist ance
ance
see BAS (Brake Assist System)
Br
Br eakdo
eakdo wn
wn
Assistance overview. ................................ 20
To w- starting........................................... 359
To wing away.......................................... 356
Tr anspo rting theve hicle........................ .357
Wheel chang e........................................ 373 Br
Br ea kdo
eakdo wn
wn
see Flat tyre
Butt
Butt ons
ons
St eering wheel....................................... 273 C
C
Calls
Calls Mercedes me......................................... 305
Camera
Camera
Information............................................ 214
Camera
Camera
see 360° Camera
see Dashcam
see Reversing camera
Car key
Car key
see Key
Car w Car w ash
ash
see Care
Car w
Car w ash (car
ash (car e)
e)............................................ 331
Car
Car -t
-to-X
o-X -Communication
-Communication
Displaying hazard warnings.................... 299
Care
Care 360° camera......................................... 336 Air-water duct........................................ 331
Au
tomatic car wash.............................. .331
Carpet................................................... 337
Decorative foil........................................ 335
Display................................................... 337
Exterior lighting...................................... 336
Head-up display..................................... 337
High-pressure cleaner............................3 33
Pa int...................................................... 334
Plastic trim............................................3 37
Re alwo od/trim elements..................... .337
Re versing camera..................................3 36
Ro of lining............................................. 337
Seat belt................................................ 337
Seat co ver............................................. 337
Sensors................................................. 336
St eering wheel....................................... 337
Ta ilpipes................................................ 336
Tr ailer hitc h............................................ 336
Ve hicle soc ketfo rth e high-voltage
battery................................................... 336
Wa shing byhand.................................... 334
Wheels/rims.......................................... 336
Wi ndo ws................................................ 336
Wi per blades.......................................... 336 488 488
Index

Car
Car
pe
pet (Car
t (Car e)
e)............................................... 337
Changing bulbs
Changing bulbs Dipped beam.........................................1 41
Fi tting/removing co ver (front wheel
ar ch )...................................................... 140
Main beam............................................. 141
No tes..................................................... 139
Overview................................................ 140
Re versing lights......................................1 41
Tu rn signal lights (rear)........................... 141
Changing g
Changing g ears ears
Manually................................................ 179
Changing hub caps
Changing hub caps ....................................... 373
Char
Char ging
ging
Char geleve l displa y............................... 205
Charg ing cable control panel.................. 194
Ending thech arging process (alternat-
ing cur rent, mode 2/3).......................... 200
Ending thech arging process (direct
cur rent, mode 4).................................... 204
Indica tor lamps on vehicle soc ket........... 195
No tes - charging station (mode 3)......... .191
No tes - fast charging station (mode 4)... .193
No tes - mains soc ket (Mode 2)............... 190 No
tes - wallbox (mode 3)........................ 191
No tes on charging the high-voltage
battery................................................... 188
On-board electrical system battery
(12 V).................................................... 352
Setting the maximum possible charg-
ing cur rent (mains soc ket)...................... 193
St arting thech arging process (alter-
nating cur rent, mode 2/3)..................... 197
St arting thech arging process (direct
cur rent, mode 4).................................... 201
St ow ing thech arging cable.................... 188
USB port............................................... .126
Char
Char ging cable ging cable
Control panel......................................... 194
St ow ing................................................. 188
Child safe
Child safe ty lock ty lock
Re ar door................................................ .79
Re ar side wind ows................................... 80
Child seat
Child seat Appr oval catego ries.................................66
At tach ing (no tes)..................................... .66
Basic instructions.................................... 61
Fr ont passenger seat (no tes).................... 76 Fr
ont passenger seat (without auto-
matic airbag shuto.)............................... .76
ISOFIX/i-Size (/tting).............................. .70
No tes on risks and danger s...................... 62
Re commendations forch ild restraint
systems................................................... 65
Seats suitable for belt-secured child
re straint systems..................................... 73
Seats suitable for i‑Size child restraint
systems................................................... 69
Seats suitable for ISOFIX child
re straint systems..................................... 68
Securing on the co-driver seat..................77
Securing on there ar seat......................... 75
To pTe ther................................................ 72
Childr
Childr en
en
Av oiding dangers in theve hicle............... .62
Basic instructions.................................... 61
Chock Chock Storage location..................................... 372
Chock Chock see Chock
City lighting
City lighting.................................................. 134 Index
489
489

Cleaning
Cleaning
see Care
Cleaning
Cleaning 0uid
0uid
see windscreen washer 0uid
Climat
Climat e contr
e contr ol
ol
Ac tivating/deactivating.......................... 148
Ac tivating/deactivating the A/C func-
tion (MBUX multimedia system).............. 148
Ac tivating/deactivating the synchro-
nisation function (control panel).............1 49
Ac tivating/deactivating the synchro-
nisation function (MBUX multimedia
system).................................................. 149
Air-recirculation mode (with /ne parti-
cle pre/lter)...........................................1 49
Au tomatic control................................. .148
Calling up the air conditioning menu....... 148
Demisting the windscreen...................... 147
Demisting windo ws................................ 149
Fr ont air vents........................................ 154
Immediate pre-entry clima tecont rol....... 152
No te...................................................... 147
Pre-entry climate control at depa rture
time.......................................................1 50
Pre-entry climate control using theke y... 150 Re
ar air vents......................................... 155
Re sidual heat......................................... 149
Setting (MBUX multimedia system)......... 148
Setting the air distribution...................... 147
Setting the air0ow.................................. 147
Setting theve hicle interior temp era-
ture....................................................... 147
St ationary heater/ ventilation................. 152
Switching the A/C function on/o.
(control panel)....................................... 148
Switching there ar wind owheater
on/o.................................................... 147
THERM ATIC cont rol panel...................... 147
THERMOTRONIC control panel............... 147
Ve ntilating theve hicle (con venience
opening).................................................. 95
Co-dr
Co-dr iv iver airbag
er airbag shut
shut o.
o.
see Automatic co-driver airbag shuto.
Coc Coc kpit kpit
Overview.............................................. 6, 10
Co.ee
Co.ee cup symbol
cup symbol
see ATTENTION ASSIST
Collision det
Collision det ection (park
ection (parked v
ed vehicle)
ehicle)
Information............................................ 212 Combination switch
Combination switch
.................................... .132
Com
Com ponent-speci/c
ponent-speci/c inf
infor
ormation
mation................... 383
Com
Com put
puter
er
see On-board computer
Conv
Conv enience closing
enience closing...................................... 96
Conv
Conv enience opening
enience opening..................................... 95
Coolant (engine)
Coolant (engine) Levelch eck............................................ 330
No tes..................................................... 393
Cooling
Cooling see Climate control
Cop
Cop yr
yright
ight....................................................... 45
Cor
Cor ner
nering light
ing light............................................. 134
Cr
Cr oss
oss tr
tr a1c
a1c (w
(war
arning)
ning)
see Manoeuvring assis tance
Cr
Cr oss
oss Tr
Tra1c
a1c Alert
Alert........................................ 264
Cr
Cr osswind Assist
osswind Assist
Fu nction/no tes...................................... 217
Cr
Cr uise contr
uise contr ol
ol
Ac tivating............................................... 224
Buttons.................................................. 224
Calling up a speed................................. 224 490 490
Index

Deactivating........................................... 224
Fu nction................................................ 223
Maximum design speed.......................... 172
Re quirements:....................................... 224
Selecting............................................... 224
Setting a speed...................................... 224
St oring a speed...................................... 224
System limitations.................................. 223 D D
Dam
Dam ping adjus
ping adjus tment
tment.................................... 248
Dashboard
Dashboard see Cockpit
Dashcam
Dashcam Notes..................................................... 300
Selecting a USB device......................... .301
St arting/stopping a video recording...... .301
Dat
Dat a acq
a acq uisition
uisition
Ve hicle..................................................... 42
Dat
Dat a pr ot
a pr otection r
ection r ights
ights
Data storag e............................................ 45
Dat
Dat a st
a st or
orage
age
Data pr otection rights.............................. 45
Electronic control units............................ 42 Online services........................................ 44
Ve
hicle..................................................... 42
Deactiv Deactiv ating t
ating the alar
he alar m (AT
m (ATA)
A)........................ .102
Dealer
Dealer ship
ship
see Quali/ed specialist workshop
Declar
Declar ation of conf
ation of conf or
ormity
mity
Elect romagnetic compatibilit y.................. 29
Impor ter addresses.................................. 36
Jack.........................................................36
Speci/c absor ption rate........................... 29
TIREFIT kit................................................ 37
Wi reless vehicle component s................... 29
Decor
Decor ativ ative f
e f oil (cleaning ins
oil (cleaning instr tructions)
uctions)........... 335
DeN
DeNOx ag Ox ag ent
ent
see AdBlue ®
Des
Destination entry tination entry
Entering a POI or addres s....................... 296
Det
Det ecting inatt
ecting inatt entiv
entiveness
eness
see ATTENTION ASSIST
Diagnos
Diagnostics connection tics connection.................................. 38
Diesel
Diesel Low outside tempe ratures...................... 388
No tes..................................................... 388 Digit
Digit
al Owner's Manual
al Owner's Manual.................................. 22
Dingh
Dingh yto
y to wing
wing
see Tow- bar system
Dipped beam
Dipped beam Changing bulbs..................................... .141
DIRECT SELECT lev
DIRECT SELECT lev er
er
Engageing reve rsege ar.......................... 178
Engaging drive position.......................... 179
Engaging neutral................................... .178
Engaging park position automaticall y...... 178
Fu nction................................................ 177
Selecting park position........................... 178
Displa
Displa y (car y (care)
e)............................................... 337
Displa
Displa y (MBUX multimedia syst
y (MBUX multimedia syst em)
em)
Home sc reen.........................................2 80
Operating.............................................. 281
Displa
Displa y (on-boar
y (on-boar d com
d comput
put er)
er)
Displa yson the inst rument displa y......... 276
Displa
Displa y in t
y in the windscr
he windscr een
een
see Head-up display
Displa
Displa y message
y message
Calling up (on-board computer).............. 401
No tes..................................................... 401 Index
491 491

Displa
Displa
y messag
y messag es
es
ç - - - km/h..................................... 441
È - - - km/h..................................... 441
h - - - km/h..................................... 440
# 12 V battery See Owner's Man-
ual......................................................... 456
ò Acoustic presence indicator
inoperative............................................ .415
: Active Light System inoperative..... 409
¯ AdBlue system fault Emer. op.:
max. XXX km/h Start not poss. in
XXX km.................................................. 465
¯ AdBlue system fault Emer gency
op. in XXX miles See Owner's Manual.... 464
¯ AdBlue system fault Engine
start not possible................................... 465
¯ AdBlue system fault See Own-
er's Manual............................................ 464
5 Add 1 litre engine oil when next
re fuelling ............................................... 466 é
ATTENTION ASSIST inoperati ve..... 440
é ATTENTION ASSIS T:Take a
break!.................................................... 440
: Automatic driving lights inoper-
ative...................................................... 409
Û Battery overheated Stop, every-
body out! Outdoors if possible ................ 417
û Before starting the engine, turn
th e steering wheel.................................. 424
J Brake immediately ........................ 438
Á Change key batteries .................... 406
è Charger cable connected .............. 415
J Check brake 0uid le vel.................. 439
ï Check trailer hitch lock (white
display message) .................................... 421
h Check tyre(s) ................................ 459
! Clean the fuel /lter....................... 429
ÿ Coolant Stop vehicle Switch
engine o............................................... 428 !
currently una vailable See Own-
er's Manual............................................4 51
÷ currently una vailable See Own-
er's Manual............................................4 52
5 Engine oil le vel cannot be meas-
ured....................................................... 467
5 Engine oil le velRe duce oil le vel..... 466
5 Engine oil le velSt op vehicle
Switch engine o.................................... 466
5 Engine oil pressure Stop Switch
o. engine.............................................. 467
ä Fault Drive at max. 80 km/h ......... 450
6 Front leT malfunction Consult
wo rkshop (e xample)...............................4 03
& inoperative Battery low................. 412
& inoperative Char geHV battery...... 413
& inoperati veHigh-voltage battery
ch arging inco mplete ............................... 413
& inoperative Refuel vehicle............. .413
& inoperative See Owner's Man........ 412 492 492
Index

!
inoperative See Owner's Manual... 452
÷ inoperative See Owner's Manual... 453
T inoperative See Owner's Manual... 454
G Inoperative................................... 455
: Intelligent Light System inopera-
tive........................................................ 410
Á Key being initialised Please wait.... 407
Á Key not de tected (red display
message).............................................. .407
Á Key not de tected (white display
message).............................................. .407
: LeT dipped beam (e xample).......... 408
6 LeT windowbag malfunction
Consult workshop (e xample).................. 404
: Malfunction See Owner's Man-
ual.........................................................4 09
Û Malfunction Visit workshop ........... 418
d Malfunction.................................. 419
Û Malfunction.................................. 418
ð Maximum speed exceeded ............ 443 ç
O................................................. 442
ë O................................................. 439
! Parking brake See Owner's
Manual..................................................4 35
d Performance se verely limited........ 419
6 Please wait Depressurising tank .... 420
& Pre-entry clima tecont rol (via
ke y) available again aTer engine start..... 414
& Pre-ent ryclimate cont rol (via
ke y) inoperati veHV-battery low .............. 414
h Rectify tyre pressure ..................... 460
Ú Re/ll AdBlue See Owner ’sMan-
ual ......................................................... 463
! Release parking brake ...................437
¸ Replace air cleaner ....................... 429
Á Replace key.................................. 406
æ Reser vefuel le vel.......................... 429
6 Restraint sys. malfunction Con-
sult workshop ....................................... .402
# See Owner's Manual..................... 456 Ù
Steering malfunction Increased
ph ysical e.ort See Owner's Manual.......4 23
Ù Steering malfunction See Own-
er's Manual ............................................ 424
Ù Steering malfunction Stop
immediately See Owner's Manual ........... 423
d Stop Switch engine o.................. .419
# Stop vehicle Lea veengine run-
ning ....................................................... 458
# Stop vehicle See Owner's Man-
ual......................................................... 457
ç suspended .................................... 441
: Switch o. lights............................ 410
: Switch on headlamps .................... 410
6 Tank is dep ressurised Ready for
re fuelling ............................................... 420
6 Tank ventilation Malfunction
Consult workshop ................................. .420
á temp orarily una vailable Camera
view restric ted....................................... 449 Index
493 493

¸
temp orarily una vailable Sensors
dirty....................................................... 448
Ú Top up AdBlue Emer gency op. in
XXX miles See Owner's Manual.............. 463
+ Top up coolant See Owner ’s
Manual.................................................. 427
¥ Top up washer 0uid...................... .426
u Towing not permitted See Own-
er's Manual ............................................ 415
d Trans. oil overheated Drive on
with care................................................ 432
! Turn on the ignition torelease
th e parking brake ................................... 438
Ú .................................................... 463
d Vehicle is operational Switch o.
ignition before exiting............................. 421
h Warning tyre defect....................... 460
h Wheel sensor(s) missing ................ 459Ú
XX,X l Top up AdBlue Swit chon
ignition, wait 60 sec. or eng. start not
poss...................................................... 464
"Electric" drive prog ram cur rently
una vailable............................................. 417
Ac tive Blind Spot Assist cur rently
una vailable See Owner's Manual ............ 446
Ac tive Blind Spot Assist inoperative........ 446
Ac tive Blind Spot Assist not available
when towing a trailer See Owner's
Manual.................................................. 447
Ac tive bonnet malfunction See Own-
er's Manual............................................ 424
Ac tive Brake Assist Functions cur-
re ntly limi ted See Owner's Manual .........454
Ac tive Brake Assist Functions limi ted
See Owner's Manual.............................. 455
Ac tive Distance Assist available again ..... 443
Ac tive Distance Assist cur rently
una vailable See Owner's Manual ............ 442Ac
tive Distance Assist inoperative.......... 442
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual ............ 447
Ac tive Lane Keeping Assist inoperative... 447
Ac tive Steering Assist cur rently
una vailable due tomultiple emer-
ge ncy stops........................................... 444
Ac tive Steering Assist cur rently
una vailable See Owner's Manual ............ 444
Ac tive Steering Assist inoperative...........4 44
Ad aptive Highbeam Assist cur rently
una vailable See Owner's Manual ............ 410
Ad aptive Highbeam Assist inoperative ....4 11
Ad aptive Highbeam Assist Plus cur-
re ntly una vailable See Owner's Manual ... 411
Ad aptive Highbeam Assist Plus inop-
erative.................................................. .411
Anti-theT alarm system Malfunction ....... 426
Apply brake todeselect Park (P) posi-
tion....................................................... .430 494 494
Index

Apply brake
toselect D or R ...................430
Apply brake toselect R .......................... 430
Au xiliary battery malfunction (red dis-
play message) ....................................... .434
Au xiliary battery malfunction (white
displ aymessage) .................................... 434
Beginning emer gency stop..................... 444
Blind Spot Assist cur rently una vailable
See Owner's Manual.............................. 445
Blind Spot Assist inoperative.................. 446
Blind Spot Assist not available when
to wing a trailer See Owner's Manual ...... 446
Cann otstart engine See Owner's
Manual................................................. .427
Charging fault Please change charging
me thod See Owner's Manual .................416
Charging me thod cur rently una vaila-
ble Please try again or change charg-
ing me thod............................................ 416 Check brake pads See Owner's Man-
ual........................................................
.439
Check tyre pressures then restart Run
Flat Indicator......................................... 462
Clutch overheated Avoid pulling away
until thewa rning goes out...................... 433
Cruise control and Limiter inoperative.... 440
Cruise control inoperative...................... 440
Cruise control o.................................... 441
Depress clutch fully tostart engine........ 433
Device de tected at diagnostics con-
nection See Owner's Manual................. .456
Drive system Malfunction Stop Switch
engine o............................................... 429
Drive system Malfunction Visit work-
shop ...................................................... 429
Fr ont-passenger airbag disabled See
Owner's Manual .................................... .404
Fr ont-passenger airbag enabled See
Owner's Manual .................................... .405 Hazard
warning lamps malfunctioning .... 412
Head-up display cur rently una vailable
See Owner's Manual.............................. 422
Head-up display inoperative ...................423
Limiter inoperative................................. 441
Limiter passive....................................... 441
N permanently active Risk of vehicle
ro lling....................................................4 31
Not possible tounlock charging cable
See Owner's Manual.............................. 415
Only elect ric drive available Power
limited................................................... 416
Only select Park (P) when vehicle is
stationary.............................................. 430
Pa rking Assist and PARKTRONIC inop-
erative See Owner's Manual................... 450
Pa rking lock inoperative Apply the
parking brake ........................................ .432
Place theke y in the mar ked space
See Owner's Manual.............................. 408 Index
495 495

PRE-SAFE inoperati
veSee Owner's
Manual.................................................. 406
Re duce speed........................................ 461
Re duced drive system per form ance
See Owner's Manual.............................. 417
Re versing not poss. Consult workshop ... 431
Risk of vehicle rolling away App ly
parking brake See Owner's Manual ........ 433
Risk of vehicle rolling awayPa rking
brake not applied See Owner's Manual ... 438
Risk of vehicle rolling Driver door
open and transmission not in P .............. 431
Ru n Flat Indica tor inoperative................. 462
Speed limit (winter tyres) XXX km/h .......443
Speed Limit Assist cur rently una vaila-
ble See Owner's Manual........................ 443
Speed Limit Assist inoperative................ 443
Te aching in transmission comple te......... 433 Te
aching in transmission Operate
selector le ver Brake for XX seconds
Risk of vehicle rolling ............................. 432
To shiT out of P or N,depress brake
and start engine.................................... .430
To switch o. the engine, press the
St art/ Stop button for at least 3 sec-
onds or 3 times...................................... 427
Tr a1c Sign Assist cur rently una vaila-
ble See Owner's Manual........................ 445
Tr a1c Sign Assist inoperative................. 445
Tr ansmission Malfunction ....................... 432
Tr ansmission Malfunction Stop............... 431
Tr ansmission Malfunction Visit work-
shop ...................................................... 433
Ty re press. monitor cur rently una vaila-
ble......................................................... 458
Ty re press. monitor inoperative .............. 458
Ty re press. monitor inoperative No
wheel sensors ........................................ 459 Ty
re pressure Check tyres ...................... 461
Ty re(s) ove rheated .................................. 461
Ve hicle not cur rently being charged
Charging station fault............................. 416
Wi per malfunctioning .............................426
Wi thout changing gear, consult work-
shop ............................................. .418, 431
Wi thout starting engine again, consult
wo rkshop ............................................... 418
Dist
Dist ance contr
ance contr ol ol
see Active Distance Assist DISTRONIC
DIS
DIS TR
TRONIC
ONIC
see Active Distance Assist DISTRONIC
Door
Door Additional door loc k................................. 86
Child saf ety lock (rear door )..................... 79
Locking/unlocking (emer gency key)........ .89
Opening (from inside).............................. .86
Unlo cking (from inside)............................ 86
Door contr
Door contr ol panel
ol panel......................................... 18
Dra
Dra wbar
wbar
see Tow- bar system 496
496
Index

Dr
Dr
iv
ive Awa
e Away Assi st
y Assi st........................................ .263
Dr
Dr iv
ive position
e position
Engaging................................................ 179
Dr
Dr iv
ive pr
e pr ogr
ogram display
am display .................................. 173
Dr
Dr iv
ive pr
e pr ogr
ograms
ams
see DYNAMIC SELECT
Dr
Dr iv
iver's seat
er's seat
see Seat
Dr
Dr iving abr
iving abr oad
oad
Light adjustment (l owbeam).................. 130
Dr
Dr iving safe
iving safe ty syst
ty system
em
ABS (Anti-lock Braking System)............. .215
Ac tive Brake Assist................................. 235
Ad aptive brake lights.............................. 220
BAS (Brake Assist System).................... .216
Cameras................................................2 14
EBD (Electronic Brake forc e Distribu-
tion).......................................................2 18
ESP ®
Crosswind Assist.......................... 217
ESP ®
trailer stabilisation........................ 217
Overview................................................ 214
Ra dar and ultrasonic sensor s................. 214
Re sponsibility......................................... 213
ST EER CONTROL................................... 218 Dr
Dr iving syst
iving syst em
em
Suspension with adaptive damping
adjustment............................................ 248
Dr
Dr iving syst
iving syst em
em
see 360° Camera
see Active Blind Spot Assist
see Active Distance Assist DISTRONIC
see Active Emer gency Stop Assist
see Active Lane Keeping Assist
see Active Parking Assist
see Active Speed Limit Assist
see Active Steering Assist
see ATTENTION ASSIST
see Blind Spot Assist
see Cruise cont rol
see Driving saf ety sy stem
see HOLD function
see Limi ter
see Parking Assist PARKTRONIC
see Reversing camera
see Speed Limit Assist
see Start-o. assist
see Tra1c Sign Assist Dr
Dr iving tips iving tips
Driving abroad (low beam light adjust-
ment)..................................................... 130
Gene ral driving tips................................1 63
Ru nning-in no tes.................................... 162
Dr
Dr iving tips iving tips
see Recuperation
Dr ow
Dr ow siness det
siness det ection
ection
see ATTENTION ASSIST
Dynamic handling contr
Dynamic handling contr ol syst
ol system
em
see ESP ®
(Electronic Stability Prog ram)
D
D YN
YNAMIC SELECT AMIC SELECT
Ad aptive damping adjustmen t................248
Calling up the fuel consum ption indi-
cator...................................................... 175
Con/guring drive prog ram I................... .174
Displaying engine data........................... 175
Displaying vehicle dat a........................... 175
Drive prog ram displa y............................ 173
Drive prog rams..................................... .172
Fu nction................................................ 172
Ope rating.............................................. 173
Selects the drive prog ram...................... 173 Index
497 497