steering MERCEDES-BENZ A-CLASS HATCHBACK 2018 Manual Online

Driving sy
stems Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
L Wa rning lamp for dis tance
wa rning function The
red dis tancewarning lamp lights up while theve hicle is in motion.
The dis tance totheve hicle in front is too small forth e speed selected.
If th ere is an additional warning tone, you are approaching an obs tacle at too high a speed. #
Be prepared tobrake immediatel y. #
Increase the dis tance.
Ac tive Brake Assi st . 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. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 555

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

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions #
Obser vethere commended tyre pressures. #
Adjust the tyre pressure if necessar y. #
Stop theve hicle, paying attention toroad and traf fic conditions. #
Check the tyre pressure and the tyres.
h Ty re pressure monitoring
sy stem warning lamp
fl ashes The
yellow tyre pressure monitoring sy stem warning lamp (pressure loss/malfunction) flashes for appro ximately one
minu teand then remains lit.
The tyre pressu remonitoring sy stem is faulty. &
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. 560
Display messages and warning/indicator lamps

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

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

Digital speedome
ter ............................... 255
Digital Vehicle Keyst icker
Locking theve hicle ................................ 70
St arting theve hicle ............................. 15 3
Un locking theve hicle ............................70
Dinghy towing
see Tow- bar sy stem
Dipped beam Changing bulbs .................................... 13 3
DIRECT SELECT le ver............................... 16 4
Engaging drive position ....................... 16 6
Engaging neutral .................................. 16 5
Engaging pa rkposition ........................ 16 5
Engaging pa rkposition automatically .. 16 5
Engaging reve rsege ar ........................ .165
Fu nction .............................................. 16 4
Display Care .................................................... 434
Display (MBUX multimedia sy stem)
Home screen ...................................... .282
Operating ............................................ 285
Display (multimedia sy stem)
Settings ................................................ 311Display (on-boa
rdcompu ter)
Displ ays on the multifunction display .. 253
Display content Displaying ............................................ 252
Display message .....................................4 98
Calling up (on-boa rdcompu ter) .......... .498
No tes .................................................. 498
Display messages ¯ - - - km/h .................................... 51 8
ç - - - km/h .................................... 517
È - - - km/h .................................... 519
# 12V battery See Owner's Man‐
ual ....................................................... 524
Ac tive Blind Spot Assi stcur rently
una vailable See Owner's Manual .........513
Ac tive Blind Spot Assi stinope rative ..... 516
Ac tive Blind Spot Assi stnot available
when towing a trailer See Owner's
Manual ................................................ .512
Ac tive bonnet malfunction See Own‐
er's Manual ......................................... 543Ac
tive Brake Assi stFunctions cur‐
re ntly limited See Owner's Manual .......511
Ac tive Brake Assi stFunctions limited
See Owner's Manual ............................511
Ac tive Dis tance Assi stavailable
again .................................................... 51 8
Ac tive Dis tance Assi stcur rently
una vailable See Owner's Manual .........518
Ac tive Dis tance Assi stinope rative ....... 51 8
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual .........514
Ac tive Lane Keeping Assist inopera‐
tive .......................................................5 15
b Active Light Sy stem inoperative ..546
Ac tive Parking Assist and
PA RKTRONIC inoperati veSee Own‐
er's Manual .......................................... 513
Ac tive Steering Assist cur rently
una vailable See Owner's Manual .........514
Ac tive Steering Assist inoperative ........513 57 0
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

see
Active Parking Assist
see Active Speed Limit Assi st
see Active Steering Assist
see ATTENTION ASSIST
see Blind Spot Assist
see Cruise control
see Driving saf ety sy stem
see HOLD function
see Limiter
see Parking Assist PARKTRONIC
see Reversing camera
see Speed Limit Assist
see Traf fic Sign Assi st
Driving tips Driving abroad (symmetrical dipped
beam) .................................................. 12 2
Gene ral driving tips ............................ .156
Ru nning-in no tes ..................................1 56
Dr ow siness de tection
see ATTENTION ASSIST
DY NA MIC BODY CONT ROL
Chassis ................................................ 214
Dynamic handling cont rol sy stem
see ESP ®
(Elect ronic Stability Prog ram) DY
NA MIC SELECT .................................... 16 0
Con figuring drive program I ................. 161
Displ aying engine data ........................ 16 2
Displ aying vehicle data ........................ 16 2
Drive program display .......................... 161
Drive programs .................................... 16 0
Fu nction .............................................. 16 0
Operating (DYNAMIC SELECT switch) .. 161
Selecting the drive prog ram ................. 161 E
E10 ............................................................ 486
Easy entry feature
Fu nction/no tes .....................................98
Setting ................................................... 99
Easy exitfeature
Fu nction/no tes .....................................98
Setting ................................................... 99
EBD (Electronic Brake forc e Distribu‐
tion)
Function/no tes ................................... 19 0
ECO display Function .............................................. 16 0
Re setting ............................................. 255 ECO
start/s top function ................. 158, 15 9
Au tomatic engine start ........................ 15 8
Au tomatic engine stop .........................1 58
Operation ............................................ 15 8
Switching off/on ................................. 15 9
Electric pa rking brake ............................ .181
App lying automatically ........................ .181
App lying or releasing manually ............ 183
Emergency braking .............................. 183
Re leasing automatically ...................... .182
Electrical fuses see Fuses
Electromagnetic compatibility Declaration of conformity ......................23
Electronic Stability Prog ram
see ESP ®
(Electronic Stability Prog ram)
Electronics ............................................... 481
Emer gency
Fire extinguisher ................................. .437
Fir st-aid kit (so ftsided) ....................... 437
Overview of the help functions .............. 16
Re moving thewa rning triangle ............ 436
Saf etyve st .......................................... 436
Setting up thewa rning triangle .......... .437 Index
575

Setting .................................................
316
LED light see In telligent Light Sy stem
Light switch Overview ............................................. 12 2
Lighting see In terior lighting
see Lights
Lights ........................................................ 12 2
Ac tive headla mps ................................ 12 5
Ad aptive Highbeam Assist .................. .127
Ad aptive Highbeam Assist Plus .......... .128
Ad justing the instrument lighting ........ 253
Au tomatic driving lights ....................... 12 3
Changing bulbs .................................... 131
City lighting ........................................ .126
Combination switch ............................ .124
Corne ring light ..................................... 12 6
Driving ab road (symm etrical dipped
beam) .................................................. 12 2
Haza rdwa rning lights .......................... 12 5
Headla mpflasher ................................ .124
Headla mprange .................................. 12 3
High beam ........................................... 124Intellige
nt Light Sy stem ....................... 12 5
Light switch .........................................1 22
Low beam ............................................ 12 2
Mo torw ay mode ................................... 12 6
Pa rking lights ...................................... .122
Re ar fog light ....................................... 12 2
Re sponsibility for lighting sy stems .......1 22
St anding lights .................................... .122
Tu rn signal lights ..................................1 24
Limiter ...................................................... 197
Ac tivating ............................................ 19 8
Buttons ................................................ 19 8
Calling up a speed .............................. .198
Deactivating ........................................ 19 8
Fu nction .............................................. 197
Pa ssive mode ....................................... 197
Pe rm anent setting .............................. .200
Re quirements: .................................... .198
Selecting ............................................. 19 8
Setting a speed ................................... 19 8
St oring a speed ................................... 19 8
Sy stem limitations ...............................1 97
Limiting speed see Limiter LINGU
ATRO NIC ........................................ 261
Au dible help functions .........................2 64
Impr oving speech quality .................... .264
Langua gesetting ................................. 263
Media pla yervo ice commands ............ 272
Message voice commands .................. .275
Multifunction steering wheel (operat‐
ing) ...................................................... 261
Na vigation voice commands ................ 267
No tes on thevo ice commands ............ 265
Online voice control ............................ 265
Operable functions .............................. 263
Operating saf ety .................................. 261
Ra dio voice commands ........................ 271
Setting (multimedia sy stem) ................2 63
Switch voice commands ...................... 265
Te lephone voice controls .................... .269
Te xt messa gevoice commands .......... .275
Ve hicle voice commands .................... .276
Vo ice prom pting .................................. 262
Live Traf fic Information
Displaying subsc ript ion information .... 350
Displaying the tra ffic map .................... 351
Displaying traf fic incidents .................. 352
Extending a subscription ...................... 351 Index
581