2018 MERCEDES-BENZ A-CLASS HATCHBACK warning light

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
or #
Exit theve hicle and keep a safe dis tance from it until the engine has cooled down. #
Check the coolant le vel (→ page 425). #
Make sure that the air supply tothera diator is not obstructed. #
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. In doing so, ensure that the
coolant temp erature display remains below 120 °C. Ty
res Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
h Ty re pressure monitoring
sy stem warning lamp lights
up The
yellow tyre pressure monitoring sy stem warning lamp (pressure loss/malfunction) is lit.
The tyre pressure monitoring sy stem has de tected tyre pressure loss in at least one of the tyres. &
WARNING Risk of an accident due toinsuf ficient tyre pressure
Ty res with insuf ficient tyre pressure pose thefo llowing risks:
R The tyres may bur st, especially as the load and vehicle speed increase.
R The tyres may wearexc essively and/or une venly, which may greatly impair tyre traction.
R ‑ The driving characteristics, steering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. Display messages and
warning/indicator lamps 559

New/replaced brakepads/brake
discs .................................................... 15 6
Ru nning-in no tes ..................................1 56
Braking assi stance
see BAS (Brake Assi stSystem)
Breakdown Overview of the help functions .............. 16
To w- starting ........................................ 453
To wing away ........................................ 450
Tr ansporting theve hicle ......................4 52
Wheel change ...................................... 472
Breakdown see Flat tyre
Burmes ter®
sur round sound sy stem .....4 16
Ad justing the balance/fader ................4 17
Ad justing the sound focus .................... 417
Ad justing treble, mid-range and bass
settings ................................................ 416
Au tomatic volume adjustment ............ .416
Calling up the sound menu .................. 416
Information .......................................... 416
Selecting the sound profile .................. 417
Buttons Steering wheel .....................................2 49 C
Call list Deleting ............................................... 379
Making a call ....................................... 378
Overview ............................................. 378
Selecting options for suggestions ........ 378
Calling up the sound menu
Adva nced sound sy stem ......................4 17
Burmes ter®
sur round sound sy stem ....4 16
Calls .......................................................... 373
Ac cepting ............................................ 373
Ac tivating functions du ring a call ......... 374
Calls with se veral participants ............ .374
Declining ............................................. 373
Ending a call ....................................... .373
Incoming call during an existing call .... 374
Making ................................................ 373
Camera see 360° Camera
see Reversing camera
Car key
see Key Car
wash
see Care
Car wash (care) ....................................... 427
Car-to-X-Communication Displaying hazard warnings ................ .354
Overview ............................................. 353
Sending hazard warnings .................... 354
Care .......................................................... 434
Air-water duct ...................................... 427
Car wash ............................................. 427
Carpet .................................................4 34
Decorative foil .................................... .430
Displ ay................................................ 434
Exterior lighting ................................... 432
High-pressure cleaner ......................... 427
Matt finish ........................................... 429
Pa int wo rk ............................................ 429
Plastic trim .......................................... 434
Re alwo od/trim elements ...................4 34
Re versing camera/360° Camera ........ 432
Ro of lining ...........................................4 34
Seat belt .............................................. 434
Seat co ver ........................................... 434
Sensors ............................................... 432
Ta ilpipes .............................................. 432 566
Index

Fu
se box in the load compartment ...... 457
No tes ................................................... 454 G
Garage door opener Cleari ngthe memory ........................... 17 9
Opening or closing the door ................1 79
Programming buttons .......................... 176
Ra dio equipment appr oval numbers .... 17 9
Re solving problems ............................. 178
Synchronising thero lling code ............ .177
Gearshift recommendation .............164,167
Genera l operating permit number
(EU) .......................................................... .483
Genuine parts ............................................ 21
Glide mode ............................................... 167
Global sear ch
Fu nction .............................................. 300
Overview ............................................. 300
Glo vebox
Locking/unlocking .............................. 102 H
Handbrake see Electric parking brake
Handling characteristics (unusual) ....... 458
Hazard warning lights ............................ .125
Head restra int .......................................... .92
Fr ont (adjusting mechanically) .............. 92
Re ar (adjusting) .................................... .93
Re ar (fitting/removing) ........................ .93
Head-up display ....................................... 259
Ad justing display elements (on-board
compu ter) ............................................ 259
Ad justing the brightness (on-board
computer) ............................................ 259
Fu nction .............................................. 260
Menu (on-board compu ter) .................. 259
Operating the memory function ..........1 00
Setting the position (on-board com‐
puter) .................................................. 259
Headla mpflasher ................................... .124
Heating see Climate control High beam
Adaptive Highbeam Assist .................. .127
Ad aptive Highbeam Assist Plus .......... .128
Switching on/off ................................. 124
High-pressure cleaner (care) .................. 427
Hill Start Assist ........................................ 212
HOLD function ......................................... 212
Fu nction/no tes .................................... 212
Switching on/off ................................. 212
Home screen (media display) Overview ............................................. 282
Hotspot Setting up (Wi-Fi) ................................. 315 I
i-Size child seat securing sy stem ............ 48
Fitting .................................................... 49
No tes ..................................................... 48
Seats suitable for attaching ................... 59
Identification plate Engine ................................................. 483
Vehicle ................................................ 483 578
Index

Ignition
Swit ching on (S tart/S top button) ........ 151
Ignition key
see Key
Immobiliser ................................................ 85
Implied warranty
Ve hicle .................................................. 26
In Car Of fice .................................... .381, 382
Calling up ............................................ 381
Fe atures .............................................. 381
Managing e-mails ................................ 382
Marking a task as comple ted .............. 382
Selecting a calendar ent ry................... 381
Selecting the options forTa sks &
Calls ....................................................3 82
In Car Of fice functions
see In Car Of fice
Indicator lamps see Warning/indicator lamps
Individual drive prog ram
Con figuring .......................................... 161
Selecting .............................................. 161Instrument clus
ter
see Instrument display
Instrument display ..................................2 48
Ad justing the lighting .......................... 253
Fu nction/no tes ................................... 24 8
Instrument clus ter ................................... 8
Wa rning/indicator lamps .................... 548
Instrument lighting .................................253
Intelligent Light Sy stem .......................... 12 5
Ac tive headla mps ................................ 12 5
Ad aptive Highbeam Assist .................. .127
Ad aptive Highbeam Assist Plus .......... .128
City lighting ......................................... 12 6
Corne ring light ..................................... 12 6
Mo torw ay mode ................................... 12 6
Overview ............................................. 12 5
Switching on/off ................................. 12 6
Interior lighting ........................................ 13 0
Ambiance light ..................................... 13 0
Re ading light ........................................ 13 0
Setting ................................................. 13 0
Switch-off del aytime ........................... 131
Interior pr otection
Fu nction ................................................ 86 Priming/deactivating .............................
87
Intermediate destination Calculating a route with intermediate
destinations ........................................ 338
En tering ............................................... 338
Modifying ............................................ 338
St arting an automatic filling station
sear ch................................................. 340
St arting the automatic service sta‐
tion sear ch.......................................... 340
In tern et
Calling up a web page .........................3 99
Closing the br ows er ............................4 02
Deleting a bookma rk........................... 402
Deleting his tory ................................... 402
Managing bookmar ks.......................... 402
In tern etconnection
Cancelling permission (mobile
phone) ................................................ .398
Connection status .............................. .399
Displ aying the connection status ........ 399
Es tablishing .........................................3 98
Es tablishing automatically ...................3 98
Information .......................................... 396
Mobile phone de tails .......................... .398 Index
57 9

Re
strictions ......................................... 396
Setting access da ta(Blue tooth ®
) .........3 97
Setting au tomatic disconnection ......... 398
Setting up (Blu etoo th®
) .......................3 97
Setting up (Wi-Fi) ................................. 397
Vi a communication module ................ .396
Internet radio
Calling up ............................................ 403
Calling up thest ation list (category
last selec ted) .......................................4 05
Deleting stations ................................ .405
Logging out ......................................... 405
Overview ............................................. 404
Re gis tering .......................................... 405
Saving stations .................................... 405
Selecting and connecting toast ation
............................................................ .405
Selecting stre am ................................ .405
Setting options ................................... .405
Te rm s of use ........................................4 05
iPhone ®
see Apple CarPlay™
see Mercedes-Benz Link ISOFIX
child seat securing sy stem .......... 48
Fitting .................................................... 49
No tes ..................................................... 48
Seats suitable for attaching ................... 57 J
Jack Declaration of conformity ......................23
Storage location ................................... 471
Jump-start connection ............................448
Gene ral no tes ...................................... 446
No tes .................................................. 446 K
Ke y.............................................................. 65
Ac oustic locking verification signal ....... 66
Battery ................................................... 67
Emergency key ...................................... 67
Energy consumption .............................. 66
Fe atures ................................................ 65
Ke yring attachment .............................. 67
Overview ............................................... 65
Pa nic alarm ........................................... 66
Problem ................................................. 68 Un
locking setting .................................. 66
Ke y functions
Deactivating .......................................... 66
KEYLESS-GO Locking theve hicle ................................ 71
Problem .................................................72
Un locking setting .................................. 66
Un locking theve hicle ............................71
Kickd own.................................................. 167
Using ................................................... 167
Knee airbag ................................................ 37 L
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 .................................................. 316
No tes ................................................... 316580
Index

Outside mir
rors ............................... 137, 13 8
Anti-dazzle mode (automatic) .............. 13 8
Au tomatic mir rorfo lding function ........ 14 0
Fo lding in/out .................................... .137
Operating the memory function ..........1 00
Pa rking position .................................. .139
Setting ................................................. 137
Overhead control panel Overview ................................................ 12
Owner's Manual Vehicle equipment ................................. 22
Owner's Manual (digital) ...........................18 P
Pa int code ................................................ 483
Pa intwork (cleaning instructions) .........429
Pa nic alarm ................................................ 66
Ac tivating/deactivating ......................... 66
Pa noramic sliding sunroof
see Sliding sunroof
Pa rk position
Inserting .............................................. 16 5
Selecting au tomatical ly....................... 16 5Pa
rking
see Electric parking brake
Pa rking (navigation service)
Pa ying parking charge s ....................... 365
Showing a parking option on the
map ..................................................... 365
Pa rking (service for navi gation)
No tes ................................................... 364
Selecting parking options .................... 364
Pa rking aid
see Parking Assist PARKTRONIC
Pa rking Assist PARKTRONIC ................... 214
Ac tivating ............................................ .217
Ad justing warning tones ...................... 217
Deactivating ......................................... 217
Fu nction ............................................... 214
Side impact pr otection .........................2 16
Sy stem limitations ...............................2 14
Pa rking assistance sy stems
see Active Parking Assist
Pa rking brake
see Electric parking brake
Pa rking lights .......................................... .122 Pa
rking position
Outside mir rors ................................... 13 9
St oring the position of the passenger
outside mir ror using reve rsege ar ........ 14 0
Pa rking up ................................................ 184
Pa rtition net
At tach ing ............................................ .107
PA SSENGER AIR BAGstatus display
see Automatic front passenger front
airbag shutoff
Pe destrian pr otection
see Active bonnet (pedestrian pr otection)
Pe rm issible axle load .............................. 483
Pe rm itted towing me thods .................... 449
Pe trol ........................................................ 486
Pe ts in the vehicle .................................... .63
Phone book see Contacts
PIN pr otection
Swit ching on/off .................................. 317
Plastic trim (Care) ................................... 434 Index
587

No
tes ................................................... 24 2
Overhang dimension ........................... 495
Soc ket ................................................. 24 4
To ngue weight .................................... .497
To wing capacity .................................. .496
Tr ailer operation
Ac tive Blind Spot Assi st....................... 238
Ac tive Lane Keeping Assist .................. 24 0
Bicycle rack ......................................... 24 5
Coupling up/uncoupling a trailer ........ .244
Fo lding the ball neck out/in ................2 42
No tes ................................................... 24 2
Soc ket ................................................. 24 4
Tr ailer stabilisation
Fu nction/no tes ................................... 189
Tr ansfer redve hicle data
Android Auto ....................................... 387
Apple CarPl ay™ ................................... 387
Baidu CarLife ....................................... 387
Tr ansmission (problem) ..........................16 8
Tr ansmission position display ................16 4
Tr anspo rting
Ve hicle ................................................ 452 Tr
im element (Care) ................................ 434
Tr ip
Menu (on-board computer) .................. 255
Tr ip computer
Displaying ............................................ 255
Re setting ............................................. 255
Tr ip distance ............................................ 255
Displaying ............................................ 255
Re setting ............................................. 255
Tr ip me ter
see Trip dis tance
Tu rn signal indicator
see Turn signal lights
Tu rn signal lights .....................................1 24
Changing bulbs (rear) .......................... 13 3
Switching on/off ................................. 124
Tw o phone mode
see Second telephone
Tw o-w ayradios
Fr equencies ......................................... 482
No tes on ins tallation ............................ 481
Tr ansmission output (maximum) ........ .482 Ty
re inflation compressor
see TIREFIT kit
Ty re pressure ........................................... 460
Checking (ty repressure monitoring
sy stem) ................................................ 461
No tes .................................................. 459
Re starting the tyre pressure loss
wa rning sy stem ................................... 467
Re starting the tyre pressure monitor‐
ing sy stem ...........................................4 62
TIREFIT kit .......................................... .440
Ty re pressure loss warning sy stem
(function) ............................................. 467
Ty re pressure monitoring sy stem
(function) ............................................. 461
Ty re pressure table .............................. 460
Ty re pressure loss warning sy stem
Fu nction .............................................. 467
Re starting ............................................ 467
Ty re pressure moni toring sy stem
Checking the tyre pressure .................. 461
Checking the tyre temp erature ............ 461
Fu nction ............................................... 461
Re starting ............................................ 462
Te ch nical da ta..................................... 463 Index
597

JBrake sy
stem warning lamp
(red) .................................................... 549
J Brake sy stem warning lamp
(yellow) ................................................ 551
?Coolant warning lamp ................ .558
#Electrical fault warning lamp ...... .557
; Engine diagnosis warning lamp .. .557
å ESP®
OFF warning lamp .............. 553
÷ESP ®
wa rning lamp flashes ........ .552
÷ESP ®
wa rning lamp lights up ...... .552
æFu elreser vewarning lamp .......... 557
ÐPo werst eering sy stem warning
lamp .................................................... 555
!Re d indicator lamp, elect ric
parking brake applied .......................... 551
6Re stra int sy stem warning lamp .. .553
7Seat belt warning lamp flashes .. .554
7 Seat belt warning lamp lights
up ........................................................ 554
ïTr ailertow hit chwarning lamp .... 556 hTy
repressure monitoring sys‐
te m wa rning lamp flashes .................. .560
hTy repressure monitoring sys‐
te m wa rning lamp lights up ................ .559
LWa rning lamp for dis tance
wa rning function ................................ .555
!Ye llow elect ric pa rking brake
indicator lamp is malfunctioning .......... 551
Wa rning/indicator lamps .......................548
Overview ............................................. 548
PA SSENGER AIR BAG ............................ .41
Wa rranty ....................................................26
Wa sher fluid
see Windsc reen washer fluid
Wa shing byhand (care) .......................... 428
Wa ter tank
see Air-water duct
We ather information ............................... 363
We b br owser
Calling up a web page .........................3 99
Calling up options ............................... 402 Calling up
the settings .........................4 02
Deleting a bookma rk........................... 402
Deleting Internet his tory ...................... 402
Ending ................................................. 402
Managing bookmar ks.......................... 402
Overview .............................................. 401
We bsite
Calling up ............................................ 399
Wheel change
Fitting a new wheel .............................. 475
Lo we ring theve hicle ............................4 76
Preparation .......................................... 472
Ra ising theve hicle ...............................4 73
Re moving a wheel ................................ 475
Re moving/fitting hub caps .................. 473
Wheel change
see Emergency spa rewheel
Wheel rotation ........................................ .471
Wheels Care .................................................... 432
Changing hub caps .............................. 473
Checking ............................................ .458
Che cking the tyre pressure (tyre
pressure monitoring sy stem) ............... 461 600
Index