bulb 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

A
A
djus
djus ting t
ting t he br
he br ightness
ightness #
Select Brightness. #
Adjust the brightness.
A
A ctiv
ctiv ating t
ating t he br
he brightness f
ightness f or zones
or zones #
Select Brightness. #
Select Brightness zones. #
Switch the function on or o..
or #
Set the brightness forth e desired zones.
A
A ctiv
ctiv ating multi-colour
ating multi-colour ed lighting
ed lighting #
Select Colour. #
Select Multi-colour. #
Select a colour combination.
A
A ctiv
ctiv ating multi-colour
ating multi-colour ed animation
ed animation #
Select Colour. #
Select Multi-colour animat..
The chosen colour combination will change at
prede/ned inter vals. A
A ctiv
ctiv ating w
ating w elcome lighting
elcome lighting #
Select Colour. #
Select Welcome.
When theve hicle is unloc ked, a special ambi-
ent lighting sequence will run.
A
A ctiv
ctiv ating dependency on air conditioning se
ating dependency on air conditioning se t-
t-
tings
tings #
Select Colour. #
Select Climate .
If ch anges are made tothete mp erature set-
ting in theve hicle, the colour of the ambient
lighting will change brie0y. Switc
Switc
hing t
hing t he int
he inter
erior lighting
ior lighting switc
switch-o.
h-o. delay
delay
time
time on/o.
on/o. Multimedia system:
4 © 5
Settings 5
Lights
5 Int. light. del. sw. off #
Switch the swit ch-o. delay time on or o..
When this function is active, the interior light-
ing lights up for a short time aTer theve hicle
is loc ked. Changing bulbs (onl
Changing bulbs (onl
y f
y for v
or v ehicles wit
ehicles wit h halog
h halogen
en
headlam
headlam ps)
ps) N
No
ot
tes on c
es on c hanging bulbs
hanging bulbs &
W
WARNING
ARNING Risk of burns from hot compo-
nent parts whilst replacing a bulb
Bulbs, lamps and plugs can become very hot
during operation.
When replacing a bulb, you could burn your-
self on these component parts. #
Allow the component parts tocool down
before replacing the bulb. R
Do not use a bulb if it has been dropped or if
its glass has been scratched. The bulb may
otherwise explode.
R Do not touch the glass bulb with your bare
hands.
R Protect bulbs from moisture and do not allow
bulbs tocome into contact with liquids. Light and sight
139 139

Ov
Ov
er
ervie
vie w of t
w of t he bulbs t
he bulbs t o be c
o be c hang
hanged
ed Halog Halog
en headlam en headlam ps
ps 1
High beam: H7 55 W bulb
2 Low beam: H7 55 W bulb T
T
ail lam
ail lam ps
ps 1
Turn signal light: PY 21 W bulb
2 Reversing light: W 16 W bulb Changing t
Changing t
he fr
he front bulbs (v
ont bulbs (v ehicles wit
ehicles with halog
h halogen
en
headlam
headlam ps)
ps) F
F
itting/r
itting/r emo
emoving t
ving t he cov
he cov er in t
er in the fr
he front wheel ar ch
ont wheel ar ch
R
R eq
eq uir
uir ements:
ements:
R The lighting system is switched o..
R The appropriate front wheel is turned in wards. 140
140
Light and sight

#
T
To r
o r emov
emov e:
e:turn co ver1 tothe leT and
re mo veit from the wheel ar chliner. #
T
To
o /t:
/t: insert co ver1 into the wheel ar chliner
and turn it totheright until it engages.
R
R eplacing light sour
eplacing light sour ces in t
ces in t he halog
he halog en headla mp
en headlamp
R
R eq
eq uir
uir ements:
ements:
R Lo
Low beam:
w beam: an H7 55 W light source is availa-
ble.
R High beam:
High beam: an H7 55 W light source is availa-
ble. 1
Low beam housing co ver
2 High beam housing co ver #
Switch the lighting system o.. #
Remo vethe co ver in the front wheel ar ch
( / page 140). #
Turn there leva nt housing co ver anti-clockwise
and remo veit. #
Turn the soc ket anti-clockwise and remo veit. #
Pull the light source out of the soc ket. #
Inse rtthe new light source into the soc ket
such that the entire base of the light source is
re sting on the bottom of the soc ket. #
Inse rtthe soc ket and turn it clockwise. #
Press on the housing co ver and turn it cloc k-
wise. #
Replace the co ver in the front wheel ar ch
( / page 140). Changing t
Changing t
he r
he rear bulbs (v
ear bulbs (v ehicles wit
ehicles with halog
h halogen
en
headlam
headlam ps)
ps) R R
eplacing t
eplacing t he t
he t ail lam
ail lam p bulbs
p bulbs #
Due totheir locations, ha vethe bulbs forthe
turn signal light and reve rsing light changed at
a qu ali/ed specialist workshop. W W
indscr
indscr een wiper
een wiper s and windscr
s and windscr een w
een washer sy
asher sy s-
s-
t
t em
em Switc
Switc
hing t
hing t he windscr
he windscr een wiper
een wipers
son/o.
on/o. 1
gWindsc reen wipers o.
2 Ä Automatic wiping, normal
3 Å Automatic wiping, frequent Light and sight
141
141

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

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

Au
tomatic driving lights......................... .131
Changing bulbs...................................... 139
City lighting............................................ 134
Combination switc h............................... 132
Cornering light....................................... 134
Driving abroad (low beam light adjust-
ment)..................................................... 130
Hazard warning lights............................. 133
Headlamp 0ashing................................. 132
Headlamp range.................................... .131
High beam............................................. 132
Intelligent Light System.......................... 133
Light switch........................................... 130
Low beam.............................................. 130
Mo torw ay mode.................................... .134
Pa rking lights......................................... 130
Re ar fog light......................................... 130
Re sponsibility for lighting systems.......... 130
Setting theex terior lighting switch-o.
delay time.............................................. 137
St anding lights....................................... 130
Switching the Intelligent Light System
on/o....................................................1 34
Switching the sur round lighting on/o.... 138
Tu rn signal indicator............................... 132 Limit Limit
er
er
Ac tivating............................................... 224
Buttons.................................................. 224
Calling up a speed................................. 224
Deactivating........................................... 224
Fu nction................................................ 223
Maximum design speed.......................... 172
Pa ssive mode......................................... 223
Pe rm anent setting.................................. 226
Re quirements........................................ 224
Selecting............................................... 224
Setting a speed...................................... 224
St oring a speed.............................. 224, 228
Switching o./deactivating.................... .228
Switching on/activating......................... 228
System limits......................................... 223
Limiting speed
Limiting speed
see Limiter
LIN LIN GUA
GUA TR TRONIC
ONIC
Fu nction................................................ 283
St arting................................................ .283
Liv
Liv e
eTr
Tra1c
a1c Inf
Infor
ormation
mation
Switching the tra1c information dis-
play on................................................... 299 Loading
Loading
Notes..................................................... 118
Ro of luggage rack .................................. 123
Ti e-down eyes........................................ 123
Loading guidelines
Loading guidelines.......................................1 18
Loads Loads Fixing..................................................... 118
Loc Loc king/unloc
king/unloc king
king
Ad ditional door loc k................................. 86
Emer gency key......................................... 89
KEYLESS-GO............................................ 87
Switching the automatic locking fea-
ture on/o.............................................. .88
Unlo cking/opening the doors from
th e inside................................................. 86
Lo Lo w beam
w beam
Ac tivating/deactivating.......................... 130
Light adjustment (driving abroad)........... 130
L
L ubr
ubr icant additiv
icant additiv es
es
see Additives
L
L ugg
ugg age
age
Securing................................................ 118
L
L umbar support
umbar support
see Lumbar support (4-w ay) Index
503
503

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

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

Fu
nction................................................ 249
Opening the camera co ver (360°
Camera)................................................ 254
Switching automatic operation on/o.
(360° Camera)...................................... 254
R
R e
ev
ver
er sing lights (c
sing lights (c hanging bulbs)
hanging bulbs).................. 141
Rims (car Rims (car e) e).................................................. 336
R
R oll awa
oll awa y prot
y pr otection
ection
see HOLD function
R
R oller sunblind
oller sunblind
Sliding sunroof......................................... 97
R
R oof lining (car
oof lining (car e)
e).......................................... 337
R
R oof load
oof load.....................................................3 95
R
R oof lugg
oof lugg ag
age r
e r ack
ack
Loading.................................................. 123
Securing................................................ 123
R
R oute
oute
Calculating............................................. 297
Selecting options................................... 297
R
R out
out e guidance wit
e guidance wit h augment
h augment ed r
ed reality
eality
Ac tivating............................................... 297
Displaying street names and house
numbers................................................ 297 R
R out
out e-based oper
e-based oper ating-mode s
ating-mode strtrat
at egy
egy
Fu nction/no tes...................................... 171
R
R out
out e-based speed adapt
e-based speed adapt ation
ation
Fu nction................................................ 231
Setting.................................................. .232
R
R un-0at
un-0at c
char
har act
acter
eristics
istics
MOExtended tyres................................. 342
R
R unning-in not
unning-in not es
es.......................................... 162 S
S
Safe
Safe ty syst
ty syst ems
ems
see Driving saf ety sy stem
Sa fe
Safe ty v
ty vest
est.................................................. .340
Searc
Searc h light
h light
Switching on/o. (contactless). .............. 285
Seat
Seat 4-waylumbar suppor t............................ 110
adjusting (electrically)............................ 110
Ad justing (Seat Com fort)........................ 107
Ad justment (without Seat Com fort
Pa ckage)................................................ 105
Con/guring settings.............................. .112
Cor rect driver's seat position................. 104 Fo
lding back the backrest (rear)............. 122
Fo lding the backrest forw ards (rear)...... .120
Locking the backrest (rear).................... 122
Operating the memory function.............. 117
Re setting the settings............................ 112
Setting options......................................... 18
Seat belt Seat belt Activating/deactivating seat belt
adjustment.............................................. 51
Care...................................................... 337
Fa stening................................................. 50
Pro tection................................................ 48
Re ar seat belt status displ ay..................... 52
Re duced pr otection.................................. 49
Re leasing................................................. 51
Seat belt adjustment (function)................ 51
Wa rning lamp........................................... 51
Seat belt adjus Seat belt adjustment tment
Ac tivating/deactivating............................ 51
Fu nction.................................................. 51
Seat belt t
Seat belt t ensioners ensioners
Ac tivation................................................ 47
Seat belt w
Seat belt w ar
ar ning
ning
see Seat belt 510
510
Index