warning MERCEDES-BENZ A-CLASS SALOON 2018 Owners Manual

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
Ty re pressure monitoring
sy stem warning lamp
fl ashes &
WARNING Thereis a risk of an accident if the tyre pressure monitoring sy stem is malfunctioning
If th e tyre pressure monitoring sy stem is malfunctioning, it is not able toissue a warning if there is pressure loss in
one or more of the tyres.
Ty res with insuf ficient tyre pressure ma y,forex ample, af fect theve hicle's handling characteristics, steering and
braking. ‑ #
Have the tyre pressure monitoring sy stem checked at a qualified specialist workshop. #
Consult a qualified specialist workshop. Ve
hicle Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
Ð Po we rst eering sy stem
wa rning lamp The
red po werst eering sy stem warning lamp is lit while the engine is running.
The po wer-assis tedsteering or thesteering itself is malfunctioning. &
WARNING Risk of accident if steering capability is impaired
If th esteering does not function as intended, theve hicle's operating saf ety is jeopardised. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do
not continue driving under any circums tances. 572
Displaymessa ges and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions #
Consult a qualified specialist workshop. #
Obser vethe messages on the multifunction displa y.
ï
Tr ailer tow hit chwarning
lamp The
red trailer tow hit chwarning lamp is on.
The trailer tow hit chis not operational or swivels. &
WARNING Risk of an accident if the ball neck is not loc ked
If th e ball neck is not in the loc ked position, the trailer may come loose. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do
not continue driving under any circums tances. #
Uncouple the trailer and secure it against rolling away. #
Initiate a new swivelling procedure and do not re-couple the trailer until the display message disappears. #
Obser vethe messages on the multifunction displa y.
If th e trailer hitch swivels: #
Wait until the ball coupling has reached the operational position. Display messages and
warning/indicator lamps 573

EBD (Electronic Brake
forc e Distribu‐
tion) ..................................................... 19 5
HOLD function .................................... .217
Limited braking ef fect (salt-trea ted
ro ads) .................................................. 16 0
New/replaced brakepads/brake
discs .................................................... 15 9
Ru nning-in no tes ..................................1 59
Braking assi stance
see BAS (Brake Assi stSystem)
Breakdown Overview of the help functions .............. 18
To w- starting ........................................ 464
To wing away ........................................ 461
Tr ansporting theve hicle ......................4 63
Wheel change ...................................... 483
Breakdown see Flat tyre
Bu rm ester ®
sur round sound sy stem .....4 26
Ad justing the balance/fader ............... 427
Ad justing the sound focus ................... 427
Ad justing treble, mid-range and bass
settings ............................................... 426
Au tomatic volume adjustment ............ .426 Calling up
the sound menu .................. 426
Information .......................................... 426
Selecting the sound profile .................. 427
Butto ns
St eering wheel .................................... 255 C
Call list Deleting ............................................... 388
Making a call ....................................... 387
Overview ............................................. 387
Selecting options ................................. 387
Calling up the sound menu
Adva nced sound sy stem ......................4 27
Burmes ter®
sur round sound sy stem ... 426
Calls ..........................................................3 82
Ac cepting ............................................ 382
Ac tivating functions du ring a call ........ 382
Calls wi thseveral participants ............ .383
Declining ............................................. 382
Ending a call ........................................ 382
In Car Of fice ........................................ 391
Incoming call du ring an existing call .... 383
Making ................................................ 382 Mercedes me connect ........................
.398
Camera see 360° Camera
see Reversing camera
Car key
see Key
Car wash
see Care
Car wash (care) ....................................... 436
Car-to-X-Communication Displaying hazard warnings ................ .363
Overview ............................................. 362
Sending haza rdwa rnings .................... 363
Care .......................................................... 444
Air-water duct ...................................... 436
Car wash ............................................. 436
Carpet .................................................4 44
Deco rative foil .................................... .440
Displ ay................................................ 444
Exterior lighting ................................... 442
High-pressu recleaner ......................... 437
Matt finish ........................................... 439
Pa int wo rk ............................................ 439
Plastic trim .......................................... 444 Index
57 9

Fu
el .......................................................... .498
Ad ditives .............................................4 98
Diesel ................................................. .499
E10 ...................................................... 497
Fu elreser ve ........................................ 500
Low outside temp eratures ...................4 99
Pe trol ................................................... 497
Quality (diesel) .................................... 499
Quality (p etro l) .................................... 497
Re fuelling ............................................. 174
Sulphur content ................................... 497
Ta nk content ....................................... 500
Fu el consum ption
On-board computer ............................ .261
Fu el consum ption indicator
Calling up ............................................ .167
Fu nction seat
see Door cont rol panel
Fu ses ........................................................ 465
Before replacing a fuse ........................ 465
Fu se assignment diagram ...................4 65
Fu se box in the boot ............................4 68
Fu se box in the engine compartment .. 466 Fu
se box in the front passenger foot‐
we ll ...................................................... 467
No tes .................................................. 465 G
Garage door opener Cleari ngthe memory ........................... 184
Opening or closing the door ................1 84
Programming buttons .......................... 181
Ra dio equipment appr oval numbers .... 184
Re solving problems ............................. 183
Synchronising thero lling code ............ 182
Gearshift recommendation .............168, 172
Genera l operating permit number
(EU) .......................................................... .494
Genuine parts ............................................ 23
Glide mode ............................................... 172
Global sear ch
Fu nction .............................................. 307
Overview ............................................. 307
Glo vebox
Locking/unlocking .............................. .110 H
Handbrake see Electric parking brake
Handling characteristics (unusual) ....... 469
HANDS-FREE ACCESS ................................ 84
Hazard warning lights ............................ .130
Head restra int
Fr ont (adjusting mechanically) .............1 01
Re ar (adjusting) .................................. .102
Re ar (fitting/removing) ........................ 102
Head-up display ....................................... 266
Ad justing display elements (on-board
compu ter) ............................................ 266
Ad justing the brightness (on-board
computer) ............................................ 266
Fu nction .............................................. 267
Menu (on-board compu ter) .................. 266
Operating the memory function ........... 107
Setting the position (on-board com‐
puter) .................................................. 266
Headla mpflasher ................................... .129
Heating see Clima tecontrol Index
591

High beam
Adaptive Highbeam Assist .................. .132
Ad aptive Highbeam Assist Plus .......... .133
Switching on/off ................................. 12 9
High-pressure cleaner (care) .................. 437
Hill Start Assist ........................................ 217
HOLD function ......................................... 217
Fu nction/no tes .................................... 217
Switching on/off ................................. 218
Home screen (media display) Overview ............................................. 289
Hotspot Setting up (Wi-Fi) ................................. 322 I
i-Size child seat securing sy stem
Fitting .................................................... 60
Seats suitable for attaching ................... 59
Identification plate Engine ................................................. 494
Ve hicle ................................................ 494
Ignition Switching on (S tart/S top button) ........ 15 5Ignition
key
see Key
Immobiliser ................................................ 94
Implied warranty
Ve hicle .................................................. 29
In Car Of fice
Calling up ............................................ 390
Fe atures .............................................. 390
Managing e-mails ................................ 391
Marking a task as comple ted ...............3 91
Selecting functions (calendar entry) .... 390
Selecting functions (Tas ks& Calls) ...... 391
Indicator lamps see Warning/indicator lamps
Individual drive prog ram
Con figuring .......................................... 16 6
Selecting ............................................. 16 5
Inspection see AS SYST PLUS
Instrument clus ter
see Instrument display
Instrument display ..................................2 54
Ad justing the lighting .......................... 260 Fu
nction/no tes ................................... 254
Instrument clus ter ................................. 10
Wa rning/indicator lamps .................... 560
Instrument lighting .................................260
Intelligent Light Sy stem .......................... 13 0
Ac tive headla mps ................................ 13 0
Ad aptive Highbeam Assist .................. .132
Ad aptive Highbeam Assist Plus .......... .133
City lighting .......................................... 131
Corne ring light ..................................... 131
Mo torw ay mode ................................... 131
Overview ............................................. 13 0
Switching on/off ................................. 131
Interior lighting ........................................ 13 5
Ambient lighting .................................. 13 5
Re ading light ........................................ 13 5
Setting ................................................. 13 5
Switch-off del aytime ........................... 13 6
Interior pr otection
Fu nction ................................................ 96
Priming/deactivating ............................. 96
In term ediatedestination
Calculating a route with intermediate
destinations ........................................ .347 592
Index

Un
locking setting .................................. .74
Un locking theve hicle ............................79
Kickd own.................................................. 172
Using ................................................... 172
Knee airbag ................................................ 39L
Lamp see In terior lighting
Lamps (instrument display) see Warning/indicator lamps
Lane de tection (au tomatic)
see Active Lane Keeping Assist
Lane Keeping Assist
see Active Lane Keeping Assist
Language .................................................. 324
No tes ................................................... 324
Setting .................................................3 24
LED light see In telligent Light Sy stem
Light switch Overview ..............................................1 27Lighting
see In terior lighting
see Lights
Lights ........................................................ 127
Ac tive headla mps ................................ 13 0
Ad aptive Highbeam Assist .................. .132
Ad aptive Highbeam Assist Plus .......... .133
Ad justing the instrument lighting ........ 260
Au tomatic driving lights ....................... 12 8
Changing bulbs .................................... 13 6
City lighting .......................................... 131
Combination swit ch............................. 12 9
Corne ring light ..................................... 131
Driving ab road (symm etrical dipped
beam) .................................................. 127
Haza rdwa rning lights .......................... 13 0
Headla mpflasher ................................ 12 9
Headla mprange .................................. 12 8
High beam ........................................... 12 9
Intellige nt Light Sy stem ....................... 13 0
Light switch .........................................1 27
Low beam ............................................ 127
Mo torw ay mode ................................... 131
Pa rking lights ...................................... .127
Re ar fog light ....................................... 127Re
sponsibility for lighting sy stems .......1 27
Setting theex terior lighting switch-
off delay time ...................................... 13 4
St anding lights .................................... .127
Switching the sur round lighting
on/off ................................................ .135
Tu rn signal lights ................................. 12 9
Limiter ...................................................... 202
Ac tivating ............................................ 203
Buttons ................................................ 203
Calling up a speed ............................... 203
Deactivating ........................................ 203
Fu nction .............................................. 202
Pa ssive mode ...................................... 202
Pe rm anent setting .............................. .205
Re quirements: .................................... .203
Selecting ............................................. 203
Setting a speed ................................... 203
St oring a speed ................................... 203
Sy stem limitations ...............................2 02
Limiting speed see Limi ter
LINGU ATRO NIC ........................................ 268
Au dible help functions .........................2 71
Impr oving speech quality .................... .272 594
Index

On-board diagnostics inter
face
see Diagno stics connection
On-boa rdelectronics
Engine electronics .............................. .492
No tes .................................................. 492
Tw o-w ayradios .................................... 492
Online services In Car Of fice ........................................ 390
Open-source so ftwa re ............................... 31
Opening the boot lid using your foot
HANDS-FREE ACCESS .......................... .84
Operating fluids
Ad Blue ®
............................................... 500
Ad ditives (fuel) .................................... 498
Brake fluid .......................................... .502
Coolant (engine) .................................. 503
Engine oil ............................................. 501
Fu el (diesel) ......................................... 499
Fu el (petrol) ......................................... 497
No tes .................................................. 496
Wi ndsc reen washer fluid .................... .504
Operating saf ety
Declaration of Conformity (electro‐
magnetic compatibility) ........................ .25Declaration of conformity (ja
ck) ............ 26
Declaration of con form ity (TIREFIT kit) .. 26
Declaration of con form ity (wireless
ve hicle components) ............................. 25
Information ............................................ 24
Operating sy stem
see On-board computer
Outside mir rors ................................ 141, 14 2
Anti-dazzle mode (automatic) .............. 14 2
Au tomatic mir rorfo lding function ........ 14 3
Fo lding in/out ...................................... 141
Operating the memory function ........... 107
Pa rking position .................................. .142
Setting ................................................. 141
Overhead control panel Overview ................................................ 14
Owner's Manual Vehicle equipment ................................. 24
Owner's Manual (digital) .......................... 20 P
Pa int code ................................................ 494
Pa intwork (cleaning instructions) .........439 Pa
nic alarm ................................................ 74
Ac tivating/deactivating ......................... 74
Pa noramic sliding sunroof
see Sliding sunroof
Pa rk position
Inserting .............................................. 17 0
Selecting au tomatically ....................... 17 0
Pa rking
see Electric parking brake
Pa rking (navigation service)
Pa ying parking charge s ........................ 374
Showing a pa rking option on the
map ..................................................... 374
Pa rking (service for navi gation)
No tes ................................................... 373
Selecting pa rking options .................... 373
Pa rking aid
see Parking Assist PARKTRONIC
Pa rking Assist PARKTRONIC .................. 220
Ac tivating ............................................ 222
Ad justing warning tones ...................... 223
Deactivating ........................................ 222
Fu nction .............................................. 220 600
Index

Ro
ute guidance ........................................ 351
Cancelling .......................................... .356
Changing direction .............................. 352
Destination reached ............................ 355
Fr om an off-road location .................... 356
Lane recommendations ....................... 353
Mo torw ay information ........................ .354
No tes ................................................... 351
Off-road ............................................... 357
To an off- road destination .................. .356
Ro ute guidance with augmented real‐
ity .............................................................. 363
Ac tivating ............................................ 364
Displ aying stre et names and house
numbe rs.............................................. 364
Overview ............................................. 363
Switching on displ ayof traf fic lights .... 365
Ro ute-based speed adaptation
Displ ays in the instrument display .......2 15
Fu nction ............................................... 210
Ro ute-based speed adjustment
Setting ................................................ .211
Ru n-flat characteristics
MOExtended tyres ............................... 449Ru
nning-in no tes .....................................1 59 S
Saf ety sy stems
see Driving saf ety sy stem
Saf etyve st ............................................... 446
Satellite map ............................................ 371
Seat ..................................................... 97,111
4-w aylumbar support .......................... 101
Ad justing (electrically) ......................... 100
Ad justing (Seat Comfort) ..................... 100
Ad justment (without Seat Comfort
Pa ckage) ................................................ 98
Backrest (rear) locking ........................ .113
Con figuring the settings ......................1 03
Cor rect driver's seat position ................ 97
ENERGIZING seat kinetics ................... 328
Fo lding the backrest (rear) back ..........1 12
Fo lding the backrest (rear) forw ards .... 111
Operating the memory function ........... 107
Re setting the settings .......................... 103
Setting options ...................................... 16Seat belt
............................................... 34, 38
Ac tivating/deactivating seat belt
adjustment ............................................ 38
Ca re .................................................... 444
Fa stening ............................................... 37
Pr otection ..............................................34
Re ar seat belt status display ................ .38
Re duced pr otection ...............................35
Re leasing .............................................. .38
Seat belt adjustment (function) ............. 38
Wa rning lamp ........................................ 38
Seat belt adju stment
Ac tivating/deactivating ......................... 38
Fu nction ................................................ 38
Seat belt tensioners
Ac tivation .............................................. 33
Seat belt warning
see Seat belt
Seat co ver (Care) .................................... .444
Seat heater Activating/deactivating ...................... .103
Seat kinetics Setting ................................................. 328 604
Index

Ty
re pressure ........................................... 471
Checking (tyre pressure monitoring
sy stem) ................................................ 472
No tes ................................................... 470
Re starting the tyre pressure loss
wa rning sy stem ................................... 478
Re starting the tyre pressure monitor‐
ing sy stem ...........................................4 73
TIREFIT kit ...........................................4 50
Ty re pressure loss warning sy stem
(function) ............................................. 478
Ty re pressure monitoring sy stem
(function) ............................................. 472
Ty re pressure table .............................. 471
Ty re pressure loss warning sy stem
Fu nction .............................................. 478
Re starting ............................................ 478
Ty re pressure moni toring sy stem
Checking the tyre pressure .................. 472
Checking the tyre temp erature ............ 472
Fu nction .............................................. 472
Re starting ............................................ 473
Te ch nical da ta...................................... 474
Ty re pressure table .................................. 471Ty
re temp erature
Checking (tyre pressure monitoring
sy stem) ................................................ 472
Ty re pressure monitoring sy stem
(function) ............................................. 472
Ty re tread ................................................. 469
Ty re-change tool kit
Overview ............................................ .482
Ty res
Changing hub caps .............................. 484
Checking ............................................ .469
Che cking the tyre pressure (tyre
pressure monitoring sy stem) ............... 472
Fitting .................................................. 487
Flat tyre ............................................... 448
Inter changing ...................................... 482
MOExtended tyres .............................. .449
Noise ................................................... 469
No tes on fitting .................................... 479
Re moving ............................................ 486
Re placing .................................... 479, 483
Re starting the tyre pressure loss
wa rning sy stem ................................... 478
Re starting the tyre pressure monitor‐
ing sy stem ...........................................4 73Selection .............................................
479
Snow chains ........................................ 469
St oring ................................................ 482
TIREFIT kit ...........................................4 50
Ty re pressure (N otes) .......................... 470
Ty re pressure loss warning sy stem
(function) ............................................. 478
Ty re pressure monitoring sy stem
(function) ............................................. 472
Ty re pressure table .............................. 471
Un usual handling characteristics ........ 469 U
Un its of measurement
Setting ................................................ .324
Un locking setting ...................................... 74
USB port ...................................................1 23
User profile see Profile V
Ve hicle ...................................................... 157
Ac tivating/deactivating standby
mode .................................................. .189 Index
611

VIN
............................................................ 494
Engine compa rtment ........................... 494
Identification plate .............................. 494
Wi ndsc reen ......................................... 494
Vi sion
Demisting windo ws............................. 14 8
Vo ice control sy stem
see LINGU ATRO NIC W
Wa rning lamps
see Warning/indicator lamps
Wa rning sy stem
see ATA (anti-theft alarm sy stem)
Wa rning triangle
Re moving ............................................ 447
Setting up ............................................ 447
Wa rning/indicator lamp
!ABS warning lamp ...................... .563
JBrake sy stem warning lamp
(red) .................................................... 562 JBrake sy
stem warning lamp
(yellow) ................................................ 564
?Coolant warning lamp ................ .569
#Electrical fault warning lamp ...... .569
;Engine diagnosis warning lamp .. .568
åESP ®
OFF warning lamp .............. 566
÷ESP ®
wa rning lamp flashes ........ .565
÷ESP ®
wa rning lamp lights up ...... .565
æFu elreser vewarning lamp .......... 569
ÐPo werst eering sy stem warning
lamp .................................................... 572
! Red indicator lamp, elect ric
parking brake applied .......................... 564
6Re stra int sy stem warning lamp .. .566
7Seat belt warning lamp flashes .. .567
7 Seat belt warning lamp lights
up ........................................................ 567
ïTr ailertow hit chwarning lamp .... .573
h Tyre pressure monitoring sys‐
te m wa rning lamp flashes .................... 571h
Tyre pressure monitoring sys‐
te m wa rning lamp lights up .................. 571
L Warning lamp for dis tance
wa rning function ................................ .568
!Ye llow elect ric pa rking brake
indicator lamp is malfunctioning ........ .564
Wa rning/indicator lamps .......................560
Overview ............................................. 560
PA SSENGER AIR BAG ............................ 43
Wa rranty ....................................................29
Wa sher fluid
see Windsc reen washer fluid
Wa shing byhand (care) .......................... 438
Wa ter tank
see Air-water duct
We ather information ............................... 372
We b br owser
Calling up a web page .........................4 09
Calling up options ................................ 411
Calling up the settings .......................... 411
Del eting a bookmark ............................ 411
Del eting Internet his tory ...................... 411 Index
61 3