2021 MERCEDES-BENZ A-CLASS HATCHBACK engine oil

Operating.............................................
.287
Displa
Displa y (on-boar
y (on-boar d com
d comput
puter)
er)
Displa yson the inst rument displa y......... 282
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).............. 409
No tes..................................................... 409
Displa
Displa y messag
y messag es
es
ç - - - km/h.................................... .449
È - - - km/h..................................... 449
h - - - km/h..................................... 448
# 12 V battery See Owner's Man-
ual......................................................... 464
ò Acoustic presence indicator
inoperative............................................ .423
: Active Light System inoperative..... 417
¯ AdBlue system fault Emer. op.:
max. XXX km/h Start not poss. in
XXX km.................................................. 473 ¯
AdBlue system fault Emer gency
op. in XXX miles See Owner's Manual.... 472
¯ AdBlue system fault Engine
start not possible................................... 473
¯ AdBlue system fault See Own-
er's Manual............................................ 472
5 Add 1 litre engine oil when next
re fuelling ............................................... 474
é ATTENTION ASSIST inoperati ve..... 448
é ATTENTION ASSIS T:Take a
break!.................................................... 448
: Automatic driving lights inoper-
ative...................................................... 417
Û Battery overheated Stop, every-
body out! Outdoors if possible ................ 425
û Before starting the engine, turn
th e steering wheel..................................4 32
J Brake immediately ........................ 446
Á Change key batteries .................... 414
è Charger cable connected .............. 423 J
Check brake 0uid le vel.................. 447
ï Check trailer hitch lock (white
display message) .................................... 429
h Check tyre(s) ................................ 467
! Clean the fuel /lter....................... 437
ÿ Coolant Stop vehicle Switch
engine o............................................... 436
! currently una vailable See Own-
er's Manual............................................4 59
÷ currently una vailable See Own-
er's Manual............................................4 60
5 Engine oil le vel cannot be meas-
ured....................................................... 475
5 Engine oil le velRe duce oil le vel..... 474
5 Engine oil le velSt op vehicle
Switch engine o.................................... 474
5 Engine oil pressure Stop Switch
o. engine.............................................. 475
ä Fault Drive at max. 80 km/h ......... 458500 500
Index

Engine data
Engine data
Displaying............................................. .181
Engine electr
Engine electr onics
onics
No tes..................................................... 389
Engine number
Engine number............................................. 392
Engine oil
Engine oil
Additives................................................ 399
Capacity................................................ 400
Checking the oil le vel using the on-
board computer.....................................3 34
MB-F reigabe or MB-Appr oval................. .400
Quality................................................... 400
To pping up............................................ .334
ERA
ERA -GL -GLON
ONASS tASS t es
est modet mode
St arting/ending.................................... .323
Err
Err or message
or message
see Display message
ESC (Electr
ESC (Electr onicSt
onic Stability Contr
ability Contr ol)
ol)
see ESP ®
(Elect ronic Stability Prog ram)
ESP
ESP ®
®
Crosswind Assis t.................................... 223
Tr ailer stabilisatio n................................. 223 ESP
ESP
®
®
(Electr
(Electronic St
onic Stability Pr
ability Pr ogr
ogram)
am)
Ac tivating/deactivating.......................... 224
Fu nction/no tes...................................... 222
EU type approv
EU type appr oval number
al number ............................. 392
Ext
Ext er
erior lighting
ior lighting
Car e...................................................... 342
Ext
Ext er
erior lighting
ior lighting
see Lights F
F
F
F atigue det
atigue det ection
ection
see ATTENTION ASSIST
F
F ir
ir e e
e e xtinguisher
xtinguisher.......................................... 347
F
F irs
irst-aid kit t-aid kit (soT
(soTsided)
sided)................................. 347
Flat to
Flat towing
wing
see Tow- bar system
Flat tyre
Flat tyre MOExtended tyres................................. 348
No tes..................................................... 348
TIREFIT kit.............................................. 350
Wheel chang e........................................ 378
Floor mats
Floor mats................................................... 132 F F
oil cov
oil cov er
ering
ing
Ra dar and ultrasonic sensor s................. 220
Fr
Fr ee
ee soTw
soTw are
are................................................. 45
Fr
Fr eq
eq uencies
uencies
Mobile phone......................................... 390
Tw o-w ayradio........................................ 390
Fr
Fr ont airbag (dr
ont airbag (dr iv
iver
er , fr
, fr ont passeng
ont passeng er)
er).............. 53
Fr
Fr ont passeng
ont passeng er seat
er seat
see Load compartment
see Seat
Fr Fr ont wheel ar ch
ont wheel ar ch
Fi tting/removing the co ver..................... 144
Fr
Fr ont wheel arc
ont wheel arc h cov
h cover
er
Fi tting/removing.................................... 144
F
F uel
uel
Additives................................................ 396
Diesel.................................................... 396
E10........................................................ 395
Fu elreser ve........................................... 397
Low outside temp eratures...................... 396
Pe trol..................................................... 395
Quality (diesel )....................................... 396
Quality (petrol)....................................... 395
Re fuellin g.............................................. .188 Index
507 507

see
Telephone
Model type
Model type see Vehicle identi/cation plate
MOExt
MOExt ended tyr
ended tyr es
es....................................... .348
Mot
Mot orwa
or wa y mode
y mode .......................................... .138
MUL
MUL TIBEAM LED
TIBEAM LED.......................................... 137
Multifunction st
Multifunction st eer
eering wheel
ing wheel
Overview of buttons............................... 279
Multifunction st
Multifunction st eer
eering wheel
ing wheel
see Steering wheel
Multimedia syst
Multimedia syst em
em
see MBUX multimedia system N
N
N
N a
avig
vig ation
ation
Ac tivating............................................... 300
No tes..................................................... 299
Overview................................................ 301
Sh ow ing/hiding the menu...................... 300
Na Na vig
vigation
ation
see Destination entry
see Map
see Route N
N eutr eutr al
al
Engaging................................................ 184
N
Noise oise
Wheels and tyres................................... 368
Wheels/tyres......................................... 368 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.............. 330 Head-up display menu............................ 283
Instrument displa
y................................. 282
Menu overview.......................................2 79
Operating.............................................. 279
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................................................ 357
Re placing.............................................. .358
St arting assis tance............................... .357
On-boar On-boar d electr
d electronics
onics
Engine electronics................................. 389
No tes..................................................... 389
Tw o-w ayradios...................................... 389
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.................................... 45 514
514
Index

Oper
Oper
ating
ating 0uids
0uids
Ad Blue ®
................................................ .398
Ad ditives (fuel)....................................... 396
Brake 0uid............................................. 401
Coolant (engine).................................... 401
Engine oil............................................... 399
Fu el (diesel)........................................... 396
Fu el (petrol)........................................... 395
No tes..................................................... 393
windsc reen washer 0uid......................... 402
Oper Oper ating safe
ating safe ty
ty
Declaration of conformity (elect ro-
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
Outside mirr
Outside mirr ors
ors
Anti-dazzle mode (automatic)................. 150 Au
tomatic mir rorfo lding function........... 152
Fo lding in/out........................................1 49
Operating the memory function.............. 115
Pa rking position..................................... 151
Setting................................................... 149
Ov
Ov er
erhead contr
head contr ol panel
ol panel
Overview.................................................. 16
Owner's Manual Owner's Manual Vehicle equipment................................... 26
Owner's Manual (digit Owner's Manual (digit al)
al)................................. 22 P
P
P
P aint (cleaning ins
aint (cleaning ins tr
tructions)
uctions) ........................ .340
P
P aint code
aint code................................................... 392
P
P anor
anor ama sliding sunr
ama sliding sunr oof
oof
see Sliding sunroof
P
P ar
ar k position
k position
Engaging................................................ 184
Selecting automatically..........................1 84
P P ar
ar king
king
see Electric parking brake
P
P ar
ar king aid
king aid
see Parking Assist PARKTRONIC P
P
ar
ar king Assis
king Assist P t PARK
ARK TR
TRONIC
ONIC
Ac tivating............................................... 264
Ad justing warning tones......................... 264
Deactivating........................................... 264
Fu nction................................................ 261
Side impact pr otection........................... 262
System limitations.................................. 261
P P ar
ar king assist
king assist ance syst
ance systems
ems
see Active Parking Assist
P
P ar
ar king br
king br ake
ake
see Electric parking brake
P
P ar
ar king lights
king lights............................................... 134
P
P ar
ar king op
king op tion
tion
Selecting............................................... 305
P
P ar
ar king position
king position
Outside mir rors...................................... 151
St oring the position of the passenger
outside mir ror using reve rsege ar........... 152
P
P ar
ar king ser
king ser vice
vice
Selecting parking options...................... .305
P
P ar
ar king up
king up................................................... 218
P
P ar
ar titioning net
titioning net
At tach ing/removing............................... 124 Index
515
515