fuel MERCEDES-BENZ A-CLASS HATCHBACK 2018 Workshop Manual

Wa
rning and indicator lamps Overview of
warning and indicator lamps Some sy
stems will per form a self-test when the
ignition is switched on. Some warning and indi‐
cator lamps may brief lylight up or flash. This
behaviour is non-critical. These warning and indi‐
cator lamps indicate a malfunction only if they
light up or flash af terth e engine has been star‐
te d or during a journe y.
Instrument display (standard) Instrument display in
the widescreen cockpit Depending on
the display setting, the positions
of the indicator lamps on the instrument display
may dif fer from theex ample shown.
Wa rning and indicator lamps:
L Low beam(→
page122)
T St
anding lights (→ page122)
K High beam(→
page124)
#! Tu
rn signal lights(→ page124)
R Re
ar fog light(→ page122)
6 Re
stra int sy stem(→ page549)
ü Seat belt not
fastened(→ page 554) J
Brakes (yellow)(
→page 549)
J Brakes (red)(
→page 549)
! Electric pa
rking brake (yellow)
(→ page 549)
! Electric pa
rking brake (red)
(→ page 549)
! ABS malfunctioning(→
page 549)
÷ ESP®
(→ page 549)
å ESP®
OFF( →page 549)
L Distance warning(→ page 555)
Ð Po
we r-assis tedsteering malfunction‐
ing( →page 555)
; Engine diagnosis (→
page 557)
% Preglow
# Elect
rical fault (→ page 557)
æ Fu
elreser vewith fuel filler flap loca‐
tion indicator (→ page 557)
? Ve
hicles with widescreen cock pit:
coolant too hot/cold (→ page 557)
h Ty
re pressure monitoring sy stem
(→ page 559) 548
Displaymessa ges and warning/indicator lamps

Engine
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
; Engine diagnosis warning
lamp The
yellow engine diagno stics warning lamp is lit while the engine is running.
A malfunction has occu rred in the engine, theex haust sy stem or the fuel sy stem.
The emissions limit value may ha vebeen exceeded and the engine may be running in eme rgency operation mode. #
Have theve hicle checked as soon as possible at a qualified specialist workshop.
Ve hicles with a diesel engine: the fuel tank may ha vebeen run dr y. #
Start the engine thre eto four times af terre fuelling.
If th eye llow engine diagnosis warning lamp goes out, emer gency operation mode is cancelled. The vehicle need not
be checked.
æ Fu elreser ve wa rning lamp The
yellow fuel reser ve wa rning lamp is lit while the engine is running.
The fuel supp lyhas dropped into there ser verange. #
Refuel.
#
Electrical fault warning
lamp The
red elect rical fault warning lamp is lit.
There is a fault in the electrics. #
Obser vethe messages on the multifunction displa y. Displ
aymessa ges and warning/indicator lamps 557

Fu
nction .............................................. 24 0
Sensitivity (function/no tes) ................. 241
Setting the sensitivity .......................... 24 2
Sy stem limitations ...............................2 40
Tr ailer operation .................................. 24 0
Ac tive Parking Assist .............................. 225
Cross Traf fic Alert ................................ 231
Drive AwayAssi st................................ 230
Exiting a pa rking space ...................... .228
Fu nction .............................................. 225
Manoeuvring assi stance ...................... 231
Pa rking ................................................ 227
Sy stem limitations ...............................2 25
Ac tive Se rvice Sy stem PLUS
AS SYST PLUS ....................................... 419
Ac tive Speed Limit Assi st....................... 204
Display ................................................ 204
Fu nction .............................................. 204
Ac tive Steering Assist ............................ .206
Ac tivating/deactivating ...................... .208
Ac tive Emergency Stop Assist .............. 210
Ac tive Lane Change Assi st.................. 208
Displa ysinthe Instrument Display .......2 10
Fu nction .............................................. 206 Sy
stem limitations ...............................2 06
Ad aptive brake lights ..............................19 6
Ad aptive cruise control
see Active Dis tance Assi stDISTRONIC
Ad aptive functions, MULTIBEAM LED
see Intelligent Light Sy stem
Ad aptive Highbeam Assist
Fu nction .............................................. 127
Switching on/off ................................. 12 8
Ad aptive Highbeam Assist Plus
Fu nction .............................................. 12 8
Switching on/off ................................. 12 9
Ad Blue ®
.................................................... 489
Ad ditives .............................................4 89
Capacity .............................................. 490
Consu mption ....................................... 490
Fill le vel .............................................. .254
No tes ................................................... 172
Purity ................................................... 489
Ra nge .................................................. 254
To pping up ...........................................1 73
Ad ditional door lo ck.................................. 69 Ad
diti ves.................................................. 490
Ad Blue ................................................. 489
Engine oil ............................................ 490
Fu el ..................................................... 487
Ad diti ves (AdBlue ®
)
see AdBlue ®
Ad diti ves (engine oil)
see Additives
Ad diti ves (fuel)
see Fuel
Ad dress book
see Contacts
Ad justing the balance/ fader
Adva nced sound sy stem ......................4 18
Burmes ter®
sur round sound sy stem ....4 17
Ad justing the headlamp range ............... 12 3
Ad justing the sound focus
Burmes ter®
sur round sound sy stem ....4 17
Ad justing treble, mid- range and bass
settings
Adva nced sound sy stem ......................4 18
Burmes ter®
sur round sound sy stem ....4 16 562
Index

Ad
aptive Highbeam Assist cur rently
una vailable See Owner's Manual .........547
Ad aptive Highbeam Assist inopera‐
tive ...................................................... 547
Ad aptive Highbeam Assist Plus cur‐
re ntly una vailable See Owner's Man‐
ual ...................................................... .547
Ad aptive Highbeam Assist Plus inop‐
erative ................................................ .547
¯ AdBlue sy stem fault Engine
st art not possible ................................ 527
¯Ad Blue system fault Perf.
re duced in XXX miles See Owner's
Manual ................................................ 527
¯ AdBlue sy stem fault See Own‐
er's Manual ........................................ .527
4 Add 1 litre engine oil when next
re fuelling ............................................. 525
Anti-theft ala rmsystem Malfunction ...545 App
lybrake todeselect Park (P)
position ...............................................5 38
Apply brake toselect R ........................ 537
ÀAT TENTION ASSIST inoperative ...51 5
À ATTENTION ASSIS T:Take a
break! .................................................. 514
b Automatic driving lights inoper‐
ative .................................................... 547
Au xilia rybattery malfunction .............. 535
_Before starting the engine, turn
th esteering wheel. .............................. 542
Blind Spot Assi stcur rently una vaila‐
ble See Owner's Manual ......................512
Blind Spot Assi stinope rative ............... 513
Blind Spot Assi stnot available when
to wing a trailer See Owner's Manual ...5 15
Brake immediately ............................... 499
ÂChange key bat teries .................. 534
JCheck brake fluid le vel................ 504 ïCheck trailer hitch lock (white
display message) ................................ .539
hChe cktyre(s) ............................... 529
!Clean the fuel filter .................... .520
Clutch overheated Avoid pulling away
fo r XX:XX mins ................................... .536
?Coolant Stop vehicle Switch
engine off ............................................ 520
Cruise contro l and Limiter inope ra‐
tive ....................................................... 519
Cruise cont rol inope rative .................... 519
Cruise cont rol off ................................ .518
Cur rently una vailable Camera view
re stricted ............................................. 517
Cur rently una vailable Radar sensors
dirty .....................................................5 16
! currently una vailable See Own‐
er's Manual ........................................ .505
÷cur rently una vailable See Own‐
er's Manual ........................................ .499 Index
571

hRe
ctify tyre pressure ................... 530
Re duce speed ...................................... 532
ØRe fill Ad Blue Engine start not
possible .............................................. .526
ØRe fill Ad Blue See Owne r’s Man‐
ual .......................................................5 25
!Re lease parking brake .................503
¸Re place air cleaner ...................... 521
,Re placekey See Owner's Man‐
ual ...................................................... .534
ÂRe placekey ................................ .533
æRe servefuel le vel........................ 524
6Re stra int sys. malfunction Con‐
sult workshop ...................................... 507
Re versing not poss. Consult work‐
shop ....................................................5 38
Risk of vehicle rolling away Apply
pa rking brake See Owner's Manual .....5 39 Risk of
vehicle rolling away Parking
brake not applied See Owner's Man‐
ual ...................................................... .504
Risk of vehicle rolling Driver door
open and transmission not in P ...........541
# See Owner's Manual ................... 522
Speed limit (winter tyres) XXX km/h ...519
Ð Steering malfunction Incre ased
ph ysical ef fort See Owner's Manual ....542
Ð Steering malfunction See Own‐
er's Manual .......................................... 541
Ð Steering malfunction Stop
immediately See Owner's Manual .......542
#St opvehicle Lea veengine run‐
ning ..................................................... 522
#St opvehicle See Owner's Man‐
ual .......................................................5 21
ç suspended ................................... 51 8
b Switch off lights .......................... 546
b Switch on headlamps ..................546Te
aching in transmission comple te...... 537
Te aching in transmission Operate
selec tor le ver Brake for XX seconds
Risk of vehicle rolling .......................... 535
To shift out of P or N,depress brake
and start engine .................................. 537
To p up coolant See Owner ’sManual ... 522
¥To p upwasher fluid .................... .545
Tr af fic Sign Assi stcur rently una vaila‐
ble See Owner's Manual ......................51 5
Tr af fic Sign Assi stinope rative .............. 514
ï Trailer coupling extending… ......... 535
Tr ans. oil overheated Drive on with
care ..................................................... 537
Tr ansmission Malfunction ....................541
Tr ansmission Malfunction Stop ........... 535
Tr ansmission Malfunction Visit work‐
shop ....................................................5 37
! Turn on the ignition torelease
th e parking brake ................................ 500 Index
573

F
Fa tigue de tection
see ATTENTION ASSIST
Fa ult message
see Displ aymessa ge
Favo urites
Ad ding .................................................2 96
Ad ding a destination ...........................3 33
Calling up ............................................ 296
Deleting ............................................... 297
Home ................................................. .333
Moving ................................................. 297
Overview ............................................. 296
Re naming ............................................ 297
Wo rk .................................................... 333
Fi ll le vel
Ad Blue ®
............................................... 254
Fi lling station sear ch
St arting automatic sear ch................... 340
Switching au tomatic sear chon/off ..... 340
Fire extinguisher ..................................... 437
Fi rs t-aid kit (soft sided) .......................... 437 Flat
towing
see Tow- bar sy stem
Flat tyre ....................................................4 38
MOExtended tyres ............................... 438
No tes .................................................. 438
TIREFIT kit ...........................................4 40
Wheel change ...................................... 472
Floor mats ................................................ 12 0
Fo il co vering ............................................ 185
Fo rw arding e-mails
see In Car Of fice
Fr ee software ............................................ 29
Fr equencies
Mobile phone ...................................... 482
Tw o-w ayradio ...................................... 482
Fr equency band
Dialling (on-board computer) .............. .257
Fr ont airbag (driver, front passenger) .....37
Fr ont wheel ar ch..................................... 13 3
Fitting/removing the co ver .................. 13 3
Fr ont wheel ar chcover
Fitting/removing ................................. 13 3Fu
el .......................................................... .487
Ad ditives .............................................4 87
Diesel .................................................. 488
E10 ...................................................... 486
Fu elreser ve ........................................ 489
Low outside temp eratures ...................4 88
Pe trol ................................................... 486
Quality (diesel) .................................... 488
Quality (p etro l) .................................... 486
Re fuelling ............................................ 16 9
Sulphur content ................................... 486
Ta nk content ....................................... 489
Fu el consum ption
On-board computer ............................ .255
Fu el consum ption indicator
Calling up ............................................ 16 2
Fu nction seat
see Door cont rol panel
Fu ses ........................................................ 454
Before replacing a fuse ........................ 454
Fu se assignment diagram .................... 454
Fu se box in the engine compartment .. 455
Fu se box in the front passenger foot‐
we ll ...................................................... 456 Index
577

No
n-operational time
Ac tivating/deactivating standby
mode .................................................. .184
St andby mode function ...................... .184
No tifications Centre ................................ 298
Calling up a notification ...................... .299
Editing a notification ........................... 299
Global sea rch ...................................... 300
Noti fication types ................................ 298
Overview ............................................. 298
Selecting actions for a notification ..... .299
Using theglobal sear ch....................... 300 O
Occupant saf ety
Pe ts in theve hicle ................................. 63
Occupant saf ety
see Airbag
see Automatic front passenger front
airbag shutoff
see PRE-SAFE ®
(anticipatory occu‐
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus) see
Restra int sy stem
see Seat belt
Odome ter
see Total dis tance
Oil see Engine oil
On-board co mputer ................................. 250
Assis tant displ aymenu ........................ 254
Displaying the service due date ........... 419
Head-up display menu ........................ .259
Media menu ........................................ 258
Menu designs ...................................... 251
Menu overview .................................... 250
Multifunction display .......................... .253
Na vigation menu ................................. 256
Operating ............................................ 250
Ra dio menu .........................................2 57
Service menu ...................................... 254
Te lephone menu .................................. 258
Tr ip menu ............................................ 255
On-boa rddiagno stics inter face
see Diagno stics connection
On-boa rdelectronics
Engine electronics .............................. .481 No
tes ................................................... 481
Tw o-w ayradios .................................... 481
Open-source software .............................. 29
Operating fluids
Ad Blue ®
............................................... 489
Ad ditives (fuel) .................................... 487
Brake fluid .......................................... .492
Coolant (engine) .................................. 492
Engine oil ............................................ 490
Fu el (diesel) ......................................... 488
Fu el (petrol) ......................................... 486
No tes .................................................. 485
Wi ndsc reen washer fluid .................... .493
Operating saf ety
Declaration of Conformity (electro‐
magnetic compatibility) ........................ .23
Declaration of conformity (ja ck) ............ 23
Declaration of con form ity (TIREFIT kit) .. 24
Declaration of conformity (wireless
ve hicle components) ............................. 23
Information ............................................ 22
Operating sy stem
see On-board computer 586
Index

Switching traf
fic announcements
on/off .................................................. 41 5
Vo ice commands (LINGU ATRO NIC) ...... 271
Ra dio stations
Dialling (on-boa rdcompu ter) ............... 257
Ra in closing function
Sliding sunroof ...................................... 82
Ra in-closing feature
Side wind ows ........................................77
Ra nge
Ad Blue ®
............................................... 254
Displaying ............................................ 255
REA CHregulation ...................................... 26
Re ading e-mails
see In Car Of fice
Re ading light
see Interior lighting
Re ading out e-mails
see In Car Of fice
Re alwo od (Care) .................................... .434
Re ar door (child saf ety lock) .................... 62 Re
ar fog light ...........................................1 22
Switching on/off ................................. 12 3
Re ar seat
see Seat
Re ar seat belt
St atus display ........................................ 36
Re ar seat belt status display .................... 36
Re ar window
Changing the wiper blade .................... 13 6
Re ar window heater ................................ 141
Re ar window wipers
Ac tivating/deactivating ...................... .134
Re ar-view mir ror
see Outside mir rors
Re cycling
see Take -ba ckof end-of-life vehicles
Re ducing agent
see AdBlue ®
Re fuelling
Re fuelling theve hicle .......................... 16 9
To pping up AdBlue ®
............................. 173Re
gistration
Ve hicle .................................................. 26
Re mo tecont rol (stationa ryheater)
Displ ays ............................................... 147
Problems ............................................. 14 9
Re placing the battery .......................... 14 8
Setting ................................................. 14 6
Re mo teOnline
Charging the battery ............................1 55
Cooling or heating theve hicle inte‐
ri or .......................................................1 55
St arting theve hicle ............................. 15 5
Re placing a bulb
see Changing bulbs
Re scue card ............................................... 27
Re ser ve
Fu el ..................................................... 489
Re set function (multimedia sy stem) .....3 20
Re sidual heat ...........................................1 44
Re storing (factory settings)
see Reset function (multimedia sy stem)
Re stra int sy stem ...................................... .30
Children, no tes on safe transpor tation .. 46 Index
589

see
Stow age compartment
St ow age comp artment........................... 102
Armrest ............................................... 102
Centre console .................................... 102
Door .................................................... 102
Glo vebox .............................................1 02
Spectacles compartment .................... 103
St ow age comp artments
see Loading
see Stow age compartment
St ow age space underneath the load
compa rtment floor .................................. 11 0
Suggestions ............................................. 294
Calling up ............................................ 295
Configuring .......................................... 295
Deleting ............................................... 296
Overview ............................................. 294
Re naming ............................................ 295
Sulphur content ...................................... 486
Sun visor Ope rating ............................................ 14 0
Sur round lighting
Ac tivating/deactivating ...................... .130 Sur
round View
see 360° Camera
SV HC (substances of very high con‐
cern ).......................................................... .26
Switch-off delay time Exterior ................................................ 12 9
Interior ................................................. 131
Synchronisation function Activating/deactivating (multimedia
sy stem) ................................................ 14 4
Switching on/off (control panel) ......... 14 3
Sy stem settings
Ac tivating/deactivating PIN pr otec‐
tion ...................................................... 317
Re set function (multimedia sy stem) ....3 20
Setting the dis tance unit ...................... 316
Setting the time and date automati‐
cally ..................................................... 312
Setting the time zone ........................... 312
Setting the time/date form at .............. .312
Switching transmission of theve hicle
position on/off .................................... 313
Sy stem settings
see Blue tooth® see Data import/export
see Language
see Software update
see
Wi-Fi T
Ta ilgate ...................................................... .74
Closing .................................................. 75
Opening .................................................74
Opening dimensions ............................4 94
Un locking (emer gency key) .................... 75
Ta ilpipes (Care) ........................................ 432
Ta ke -back of end-of-life vehicles .............. 20
Pr otection of the environment ............... 20
Ta nk content
Ad Blue ®
............................................... 490
Fu el ..................................................... 489
Re ser ve(fuel) ...................................... 489
Te ch nical data
Axle load (trailer operation) ................. 497
Fa stening points (trailer hitch) .............4 95
Information .......................................... 481
Mounting dimensions (trailer hitch) ..... 495
No tes (trailer hitch) ............................. 495 594
Index