fuel type MERCEDES-BENZ A-CLASS HATCHBACK 2021 Owners Manual

1
Safetyve sts →
346
2 Fire extinguisher →
347
3 ; me button →
311
G SOS button →
311
4 £ Hazard warning light system →
137
5 Stow age compartment for customer literature
6 Starting assis tance →
357
7 Tocheck and top up operating 0uids →
393
8 Tow- starting or towing away →
360
9 Flat tyre →
348 A
B-pillar with:
QR code for accessing there scue card →
42
B Tow- starting or towing away →
360
C Warning triangle →
346
D TIREFIT kit →
350
E Firs t-aid kit (soT sided) →
347
F Fuel /ller 0ap with:
information label on fuel type →
188
information label on tyre pressure →
370
QR code for accessing there scue card →
42 At
a glance – Emer gencies and breakdowns
21 21

or
R when theve hicle is towing a trailer and there
is a risk of a rear impact
The system will not initiate any braking application
in thefo llowing situations:
R whilst driving
or
R when entering or exiting a parking space while
using Active Parking Assist A A
ut
ut omatic measur
omatic measur es
esaTer
aTer an accident
an accident
Depending on the type and se verity of the acci-
dent, and depending on theve hicle's equipment,
th efo llowing measures can be implemented, for
ex ample:
R automatic braking (post-collision brake)
R activating the hazard warning lights
R triggering an automatic emer gency call
(/ page 320)
R switching o. the engine To
start theve hicle again, switch theve hicle
o. and on once more (/ page 166). Depend-
ing on the type and se verity of the accident,
yo u may no longer be able tostart theve hicle.
R switching o. the fuel supply
R v
v ehicles wit
ehicles wit h h
h hybr
ybr id dr
id dr iv
ive:
e: switching o. the
hy brid system and high-voltage on-board elec-
trical system
R unlocking theve hicle doors
R lowe ring the side windo ws
R displaying the emer gency guide in the multi-
media system display
R switching on the interior lighting
F
F unction of t
unction of t he pos
he post-collision brt-collision br ake
ake
Depending on the accident situation, the post-col-
lision brake can minimise the se verity of a fur ther
collision or evenavo id it.
If an accident is de tected, the post-collision brake
can implement automatic braking. When theve hi-
cle has come toa standstill, the electric parking
brake is automatically applied. The driver can cancel automatic braking
bytaking
th efo llowing actions:
R braking more strongly than automatic braking
R fully depressing the accelerator pedal with
fo rce Saf
Saf
el
ely tr
y tr anspor
anspor ting c
ting childr
hildren in t
en in t he v
he vehicle
ehicle Alw
ay
Alw ays observ
s observ e when c
e when c hildr
hildren ar
en ar e trav
e tr avelling in t
elling in t he
he
v
v ehicle
ehicle %
Also strictly obser vethe saf ety no tesfo rthe
speci/c situation. In this wa yyo u can recog-
nise po tential risks and avoid dangers if chil-
dren are tr avelling in theve hicle
(/ page 62).
Be dilig
Be dilig ent
ent
Bear in mind that negligence when securing a
ch ild in thech ild restraint system ma y haveseri-
ous conse quences. Alw ays be dili gent in securing
a ch ild carefully before every journe y.
Ne ver allow babies and children totrave l sitting
on the lap of ano ther vehicle occupant. Occupant saf
ety
61
61

The
Tank is depressurised Ready for refuel-
ling messa geappears in the Instrument Dis-
pla y.
% Inthefo llowing situations there is a malfunc-
tion:
R indicator lamp 20ashes initially and then
goes out
R theye llow ; engine diagnosis warning
lamp lights up
The fuel tank can only be bled if the conditions
mentioned abo veare ful/lled. Otherwise, drive the
ve hicle at least 0.5 km and repeat the procedure.
% Opening the fuel /ller 0ap ma y,in exceptional
cases, take up to15 minutes. 1
Fuel /ller 0ap
2 Brac ketfo r fuel /ller cap
3 Tyre pressure table
4 Fuel type
5 QR code forre scue card #
Press on the back area of fuel /ller 0ap 1. #
Turn the fuel /ller cap anti-clockwise and
re mo veit. #
Insert fuel /ller cap from abo veinto brac ket
2 . #
Comple tely insert the pump nozzle into the
ta nk /ller nec k,hook in place and refuel. #
Only /ll the fuel tank until the pump nozzle
switches o..
% V Vehicles wit ehicles wit h a diesel engine:
h a diesel engine: theta nk /ller
neck is designed forre fuelling at diesel /lling
pumps.
% V
Vehicles wit
ehicles wit h a diesel engine:
h a diesel engine: whenthe fuel
ta nk is comple tely em pty, top up with at least
5 litres of diesel.
% V
Vehicles wit
ehicles wit h a diesel engine:
h a diesel engine: use a /ller neck
with a lar gediame terfo rve hicles with a diesel
engine when topping up fuel from a fuel can.
Otherwise, the /ller neck cannot slide into the
ta nk. #
Replace the cap on the /ller neck and turn
clockwise until it engages audibl y. #
Close fuel /ller 0ap 1. Driving and parking
191
191

#
Change immediately out of clo thing that
has come into contact with fuel. Flexible-fuel
vehicles can be refuelled wi th thefo l-
lowing fuel types:
R unleaded petrol
R E85 fuel
R a mixture of E85 fuel and unleaded petrol
Flexible-fuel vehicles can be identi/ed bythe
Et Et hanol up t hanol up t o E85
o E85sticker on the inside of the fuel
/ller 0ap.
Depending on the countr y,the fuels you can use
in your vehicle may di.er from the information in
th e Owner's Manual. The fuels that ha vebeen
appr ovedfo ryo ur vehicle can be found on the
inst ruction label on the inside of the fuel /ller 0ap. F F
uel
uel Inf
Inf
or
ormation on fuel q
mation on fuel q uality f
uality for v
or vehicles wit
ehicles wit h a pe
h a pet-
t-
r
r ol engine
ol engine
No tethe inst ructions about operating 0uids
(/ page 393). *
N
NO OTE
TE Damage caused bythe wrong fuel Even small amounts of
the wrong fuel could
re sult in damage tothe fuel system, the
engine and the emission control system. #
Only refuel using unleaded, sulphur-free
spar k-ignition engine fuel that conforms
to European EN 228, or an equivalent
speci/cation.
Fu el of this speci/cation may contain up to
10% ethanol byvolume. Your vehicle is suita-
ble for use with E10 fuel. #
See the information label in fuel /ller 0ap
fo rot her compatible fuels .
Ne verre fuel wi thone of thefo llowing fuels:
R Diesel
R Regular petrol with an octane number
lo we rth an 91 RON
R Petrol with more than 3% me thanol byvol-
ume, e.g. M15, M30
R Petrol with additives containing me tal If
yo u ha veacciden tally refuelled wi th the
wrong fuel: #
Do not switch on theve hicle. #
Consult a quali/ed specialist workshop. The
following compatibility indications for fuel
apply toyour vehicle: 1
For petrol with maximum 5% ethanol byvol-
ume
2 For petrol with maximum 10% ethanol byvol-
ume
The compatibility indications for fuel on theve hi-
cle according tothe European standard EN 16942 Te
ch nical data
395
395

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

V
V
ehicle dimensions
ehicle dimensions ...................................... 403
V
V ehicle emerg
ehicle emerg ency st
ency start
art...............................3 64
V
V ehicle
ehicle identi/cation
identi/cation number
number
see VIN
V
V ehicle
ehicle identi/cation
identi/cation plate
plate
EU type appr oval number....................... 392
Maximum gross vehicle weight............... 392
Pa int code............................................. 392
Pe rm issible axle load.............................. 392
VIN........................................................3 92
V
V ehicle int
ehicle int er
erior
ior
Cooling or heating (Remo teOnline)........ 167
V
V ehicle key
ehicle key
see Key
V
V ehicle maint
ehicle maint enance
enance
see ASS YST PLUS
V
V ehicle sensors
ehicle sensors
Information............................................ 220
V
V ehicle so cket
ehicle soc ket
Care...................................................... 342
Indicator lamps...................................... 201
V V ehicle t
ehicle t ool kit
ool kit
TIREFIT kit...................................... 349, 350 To
wing eye............................................. 363
V
V entilating
entilating
Con venience opening.............................. .94
V
V entilation
entilation
see Climate control
V
V ents
ents
see Air vents
VIN
VIN Engine compartment.............................. 392
Identi/cation pla te................................. 392
Wi ndsc reen............................................ 392
V
V ision
ision
Demisting windo ws................................ 155 W
W
W
W ar
ar ning lamp
ning lamp
see Warning/indicator lamp
W
W ar
ar ning syst
ning syst em
em
see ATA (anti-theT alarm system)
W
W ar
ar ning tr
ning tr iangle
iangle
Re moving............................................... 346
Setting up.............................................. 347 W
W
ar
ar ning/indicat
ning/indicat or lamp
or lamp
! ABSwarning lamp......................... 488
Ó Active Brake Assist warning lam p..4 87
J Brake system warning lamp (red)... 486
J Brake system warning lamp (yel-
low)....................................................... 485
ÿ Coolant warning lamp (red)........... 481
ÿ Coolant warning lamp (yellow).......4 83
! Electric parking brake indicator
lamp (red).............................................. 485
# Electrical fault warning lamp
...................................................... 480, 484
; Engine diagnosis warning lamp...... 483
å ESP®
OFF warning lam p................ 489
÷ ESP®
wa rning lamp 0ashes........... 488
÷ ESP®
wa rning lamp lights up......... 489
æ Fuelreser vewarning lamp lights
up.......................................................... 484
Ù Powe r steering warning lamp
(red)...................................................... 480 Index
525 525