2021 MERCEDES-BENZ A-CLASS SALOON ad blue

A
A
ut
ut omatic engine st
omatic engine st op
op
see ECO start/s top function
A
A ut
ut omatic fr
omatic fr ont passeng
ont passeng er airbag
er airbagshut
shuto.
o.
PA SSENGER AIR BAG indicator la mps...... 57
A
A ut
ut omatic measur
omatic measur es
esaTer
aTer an accident
an accident ............ 60
A
A ut
ut omatic mirr
omatic mirr or f
or folding function
olding function
Ac tivating/deactivating.......................... 146
A
A ut
ut omatic tr
omatic tr ansmission
ansmission
DIRECT SELECT le ver............................. 177
Drive prog rams...................................... 172
DY NAMIC SELECT switch....................... 172
Engaging drive position.......................... 179
Engaging reve rsege ar............................ 178
Kickdown............................................... 180
Manual gear changing........................... .179
Selecting park position........................... 178
St eering wheel gearshiT paddles............ 179
Tr ansmission position displ ay................. 177
Tr ansmission position s........................... 177
A
A ut ut omatic tr
omatic tr ansmission (pr
ansmission (problem) oblem)
see Transmission (problem)
Axle load
Axle load Perm issible............................................ 384
Tr ailer operatio n..................................... 399 B
B
Ball neck
Ball neck Folding out/in........................................ 265
B
B AS (Br
AS (Br ak
ake Assis
e Assist Syst t System)
em)........................... 216
Batt
Batt ery
ery
see High-voltage battery
Batt
Batt er
ery (high-v
y (high-v olt
oltag
age on-boar
e on-boar d electr
d electrical
ical
syst
syst em)
em)
see High-voltage battery
Batt
Batt er
ery (ke
y (ke y)
y)
Re placing................................................. 84
Batt
Batt er
ery (v
y (v ehicle)
ehicle)
Charging (Remo teOnline)..................... .161
No tes..................................................... 349
No tes (starting assis tance and charg-
ing)........................................................ 350
Batt
Batt er
ery oper
y oper ation
ation......................................... 156
Belt
Belt
see Seat belt
Bicy
Bicy cle r
cle r ack
ack
Load capacit y........................................ 399
Tr ailer operatio n.................................... .268 Blind Spo
Blind Spo t Assist
t Assist
Ac tivating/deactivating.......................... 246
Fu nction................................................ 243
System limi tations.................................. 243
Blow
Blow er
er
see Clima tecont rol
BlueTEC BlueTEC see AdBlue ®
Bonnet Bonnet Function (active bonnet)......................... 325
Opening/closing.................................... 326
Re setting (active bonn et)........................ 325
Boo
Boo t lid
t lid
Closin g.................................................... 91
HANDS-FREE ACCESS............................. 92
Opening...................................................90
Br
Br ak
ak e Assis
e Assist Syst t System
em
see BAS (Brake Assist System)
Br
Br ak
ak e
e0uid
0uid
No tes..................................................... 393
Br
Br ak
ak e f
e f or
orce disce distr tribution
ibution
EBD (Elect ronic Brake forc e Distribu-
tion)....................................................... 218 Index
487
487

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

L
L
umbar suppor
umbar suppor t (4-wa
t (4-way)
y)...............................1 10M
M
Main beam
Main beam Changing bulbs...................................... 141
Maint
Maint enance
enance
see ASS YST PLUS
Malfunction
Malfunction
Restraint system..................................... .47
Manoeuvr
Manoeuvr ing aid
ing aid
see Manoeuvring assistance
Manoeuvr
Manoeuvr ing assist
ing assistance
ance
Cross Tra1c Ale rt.................................. 264
Drive Away Assist................................... 263
Manoeuvr
Manoeuvr ing assist
ing assistant
ant
Ac tivating/deactivating.......................... 264
Manual tr
Manual tr ansmission
ansmission
Operating thege arshiT le ver.................. 175
Map
Map
Displaying online map contents.............. 299
Displaying weather informatio n.............. 299
Moving................................................... 298
Selecting the map orientation................ 298 Setting
the map scale............................ 298
Switching mo torw ay information
on/o.................................................... 298
Massag
Massag e pr
e progr
ogrammes
ammes
Re setting the settings............................ 112
Selecting the front seats........................1 12
Maximum design speed
Maximum design speed ................................ 172
Maximum design speed
Maximum design speed see Limiter
Maximum per
Maximum per missiblegr
missible gross v
oss v ehicle w
ehicle w eight
eight... 384
MBUX Int
MBUX Int er
erior Assist
ior Assist ant
ant
Overview................................................ 284
Switching there ading light on/o.
(contactless).......................................... 285
Switching the sear chlight on/o.
(contactless). ......................................... 285
MBUX multimedia syst MBUX multimedia syst em
em
Ac tivating/deactivating standby mode... 213
Collision de tection (par kedve hicle)........ 212
Con/guring drive prog ram I................... .174
Home screen......................................... 280
No tes..................................................... 279
Operating theto uchscreen..................... 281
Overview................................................ 279 Re
storing (fac tory settings).................... 292
Setting route-based speed adap tation.... 232
Setting the air distribution...................... 149
Setting the stationary heater/ventila-
tion........................................................ 154
St andby mode function.......................... 212
MBUX multimedia syst MBUX multimedia syst em em
see Displ ay(MBUX multimedia system)
see MBUX Interior Assistant
Media Media Overvi ewofthe functions and symbols.. .318
Media mode Media mode Connecting Blue tooth ®
audio equip-
ment..................................................... .319
Medical aids
Medical aids................................................... 40
Memor
Memor y function
y function
Fu nction................................................ 116
Head-up display — Calling up stored
settings.................................................. 117
Head-up display — Storing settings......... 117
Operating............................................. .117
Outside mir rors — Calling up stored
settings................................................. .117
Outside mir rors —St oring settings.......... 117 504 504
Index

see Map
see
Route
N N eutr
eutr al
al
Engaging................................................ 178
N
Noise oise
Wheels and tyres................................... 363
Wheels/tyres......................................... 363 O
O
Occupant safe
Occupant safe ty
ty
see Airbag
see Automatic co-driver airbag shuto.
see Automatic measures aTer an accident
see Child seat
see Pets in theve hicle
see Post-collision brake
see PRE-SAFE ®
(anticipa tory occu-
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
see Restraint system
see Seat belt
Oil
Oil
see Engine oil On-boar On-boar
d com
d comput
puter
er
Displa yingthe service due dat e.............. 324
Head-up display menu............................ 277
Instrument displa y................................. 276
Menu overview.......................................2 73
Operating.............................................. 273
On-boar
On-boar d diagnos
d diagnostics int tics interf
erface
ace
see Diagnostics connection
On-boar
On-boar d electr
d electrical syst
ical syst em batt
em batter
ery (12 V)
y (12 V)
Charging................................................ 352
Re placing.............................................. .353
St arting assis tance............................... .352
On-boar On-boar d electr
d electronics
onics
Engine electronics................................. 381
No tes..................................................... 381
Tw o-w ayradios...................................... 381
on-demand f on-demand f eature
eature
Ac tivating................................................. 26
No tes...................................................... .26
Online ser
Online ser vices
vices
Data storag e............................................ 44
Online ser
Online ser vices
vices
see In-Car O1ce
Open-sour
Open-sour ce
cesoTw
soTw are
are................................... .45Opening t
Opening t
he boo
he boot lid using y
t lid using y our f
our foot
oot
HANDS-FREE ACCESS............................. 92
Oper
Oper ating
ating 0uids
0uids
Ad Blue ®
................................................ .390
Ad ditives (fuel)....................................... 388
Brake 0uid............................................. 393
Coolant (engine).................................... 393
Engine oil............................................... 391
Fu el (diesel)........................................... 388
Fu el (petrol)........................................... 387
No tes..................................................... 385
windsc reen washer 0uid........................ .394
Oper
Oper ating safe ating safe ty
ty
Declaration of conformity (electro-
magnetic compatibility)............................ 29
Declaration of conformity (jack)...............36
Declaration of conformity (TIREFIT kit)...... 37
Declaration of conformity (wireless
ve hicle components)................................ 29
Informatio n..................................... ......... 27
Oper
Oper ating syst ating syst em
em
see On-boa rdcomputer
Output
Output see Powe r me ter 506
506
Index

R
R
R
R adar and ultr
adar and ultr asonic senso rs
asonic senso rs
Damage................................................. 214
R
R adio
adio
Overview of the functions and symbols.. .320
R
R ain closing function
ain closing function
Side windo ws........................................... 95
R
R ain-closing f
ain-closing f eature
eature
Sliding sunroof......................................... 99
REAC
REAC H r
H regulation
egulation........................................... 40
R
R eading lamp
eading lamp
see Interior lighting
R
R eading light
eading light
Switching on/o. (contactless). .............. 285
R
R eal w
eal w ood (Car
ood (Car e)
e).......................................... 337
R
R ear door (c
ear door (c hild safe
hild safety loc
ty lock)
k)........................... 79
R
R ear f
ear f og light
og light
Switching on/o..................................... 131
R
R ear seat
ear seat
see Seat
R R ear seat belt ear seat belt
Status displ ay.......................................... 52 R
R
ear seat belt st
ear seat belt st atus display
atus display........................... 52
R
R ear windo
ear windo w heat
w heater
er...................................... 147
R
R ear
ear -vie
-vie w mirr
w mirr or
or
Anti-dazzle mode (automatic)................. 145
R
R ear
ear -vie
-vie w mirr
w mirr or
or
see Outside mir rors
R
R ecuper
ecuper ation
ation
Fu nction................................................ 168
Setting.................................................. .169
R
R ecy
ecy cling
cling
see Take -back of end-of-life vehicles
R
R educing ag
educing ag ent
ent
see AdBlue ®
R
R efuelling
efuelling
Refuelling theve hicle............................ .182
R
R egistr
egistr ation
ation
Ve hicle..................................................... 40
R
R egulat
egulat or
ory r
y r adio
adio identi/cation
identi/cation
Indonesia............................................... 383
Small components................................. 383
R
R emot emot e Online
e Online
Charging the star ter batter y................... 161
Cooling/heating theve hicle interior...... .161 St
arting theve hicle............................... .162
R
R eplacing a bulb
eplacing a bulb
see Changing bulbs
R
R escue card
escue card ................................................... 41
R
R eser ve
eser ve
Fu el....................................................... 389
R
R ese
ese t function (MBUX multimedia syst
t function (MBUX multimedia syst em)
em).... 292
R
R esidual heat
esidual heat............................................... 149
R
R est
est or
oring (f
ing (f act
actor
ory se
y se ttings)
ttings)
see Reset function (MBUX multimedia system)
R
R estr
estr aint syst
aint syst em
em
Basic instructions forch ildren.................. 61
Fu nction in an accident............................ 47
Fu nctionality............................................ 47
Limi ted pr otection.................................... 46
Malfunction............................................. 47
Pr otection................................................ 46
Self-test...................................................47
Wa rning lamp........................................... 47
Rev
Rev er
er se g se g ear
ear
Engaging................................................ 178
Rev
Rev er
ersing camera
sing camera
Care...................................................... 336 Index
509
509