2018 MERCEDES-BENZ A-CLASS SALOON engine

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

Ac
tive Lane Keeping Assist .................... 24 5
Ac tivating/deactivating ...................... .247
Ac tivating/deactivating thewa rning .... 247
Fu nction .............................................. 24 5
Setting the sensitivity .......................... 247
Sy stem limitations ...............................2 45
Tr ailer operation .................................. 24 5
Ac tive Parking Assist .............................. 230
Cross Traf fic Alert ............................... 236
Drive AwayAssi st................................ 235
Exiting a pa rking space ...................... .234
Fu nction .............................................. 230
Manoeuvring assi stance ...................... 237
Pa rking ................................................ 232
Sy stem limitations ...............................2 30
Ac tive Se rvice Sy stem PLUS
see AS SYST PLUS
Ac tive Speed Limit Assi st....................... 209
Display ................................................ 209
Fu nction .............................................. 209
Ac tive Steering Assist ............................ .211
Ac tivating/deactivating ...................... .213
Ac tive Emergency Stop Assist .............. 215
Ac tive Lane Change Assi st................... 213Displ
ays in the instrument display .......2 15
Fu nction ............................................... 211
Sy stem limitations ...............................2 11
Ad aptive brake lights .............................. 201
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 .............................................. 13 2
Switching on/off ................................. 13 3
Ad aptive Highbeam Assist Plus
Fu nction .............................................. 13 3
Switching on/off ................................. 13 4
Ad Blue ®
.................................................... 500
Ad ditives .............................................5 00
Capacity .............................................. 501
Fill le vel .............................................. .260
No tes ................................................... 17 7
Purity ................................................... 500
Ra nge .................................................. 260
To pping up ...........................................1 78
Ad ditional door lo ck.................................. 77Ad
diti ves.................................................. 501
Ad Blue ®
............................................... 500
Engine oil ............................................. 501
Fu el ..................................................... 498
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 28
Burmes ter®
sur round sound sy stem ... 427
Ad justing the headlamp range ............... 12 8
Ad justing the sound focus
Burmes ter®
sur round sound sy stem ... 427
Ad justing treble, mid- range and bass
settings
Adva nced sound sy stem ......................4 28
Burmes ter®
sur round sound sy stem ... 426 Index
575

Anti-theft pr
otection
see ATA (anti-theft alarm sy stem)
Anticipatory occupant pr otection
see PRE- SAFE®
(anticipatory occu‐
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
Apple CarPlay Trans ferred vehicle data ......................3 96
Apple CarPlay™ ....................................... 393
Connecting an iPhone ®
....................... 394
Ending ................................................. 395
No tes ................................................... 394
Overview ............................................. 393
Sound settings .................................... 395
Ashtr ay
Using ....................................................1 19
Assistance sy stems
see Driving saf ety sy stem
Assistant display Menu (on-board computer) .................. 261
ASS YST PLUS ........................................... 429
Battery disconnection pe riods .............4 30Displ
aying the service due date ........... 429
Fu nction/no tes ................................... 429
Re gular maintenance work .................. 429
Special service requ irements .............. 429
ATA (anti-theft ala rmsystem) .................. .94
Deactivating the alarm .......................... 95
Fu nction ................................................ 94
Fu nction of interior pr otection ............... 96
Priming/deactivating interior pr otec‐
tion ........................................................ 96
Priming/deactivating tow- aw ay pro‐
te ction ................................................... 95
To w- aw ay protection function ................95
AT TENTION ASSI ST.......................... 237, 238
Fu nction .............................................. 237
Setting ................................................. 238
Sy stem limitations ...............................2 37
At tention assistant
see ATTENTION ASSIST
Au gmented reality
see Route guidance with augmented reality
Au thorised workshop
see Qualified specialist workshop Au
tomatic distance control
see Active Dis tance Assi stDISTRONIC
Au tomatic driving lights .........................12 8
Au tomatic engine start (ECO start/
sto p function) .......................................... 16 2
Au tomatic engine stop (ECO start/
sto p function) .......................................... 16 2
Au tomatic front passen ger front air‐
bag deacti vation sy stem
see Automatic front passenger front
airbag shutoff
Au tomatic front passen ger front air‐
bag shu toff .......................................... 42, 43
Fu nction of the automatic front
passenger front airbag deactivation
sy stem ................................................... 42
PA SSENGER AIR BAG indicator lamp .... .43
Au tomatic mir rorfo lding function
Ac tivating/deactivating ...................... .143
Au tomatic transmission
DIRECT SELECT le ver ........................... 16 9
Drive prog ram display ......................... .165
Drive programs ................................... .164 Index
577

Ac
tivating/deactivating the synchro‐
nisation function (cont rol panel) .......... 147
Ac tivating/deactivating the synchro‐
nisation function (multimedia sys‐
te m) ..................................................... 14 8
Air di stribution settings .......................1 47
Air-reci rculation mode ........................ .148
Au tomatic control ................................ 147
Calling up the air conditioning menu ... 147
Defrosting the windscreen ...................1 45
Demisting wind ows............................. 14 8
Fr ont air vents ..................................... 15 3
No te .................................................... 14 5
Re ar air vents ...................................... 154
Re sidual heat ....................................... 14 8
Sets the air flow ................................... 14 5
Setting (multimedia sy stem) ................1 47
Setting the air distribution ...................1 45
Setting thete mp erature ......................1 45
St ationary heater/ ventilation .............. 14 8
Switching on/off ................................. 14 6
Switching there ar wind owheater
on/off .................................................1 45
THERMATIC control panel .................... 14 5
THERMOTRONIC contro l panel ............14 5Ve
ntilating theve hicle (con venience
opening) ................................................ 87
Cockpit ........................................................ .6
Overview .................................................6
Cof fee cup symbol
see ATTENTION ASSIST
Combination switch ................................12 9
Compass .................................................. .371
Compu ter
see On-board computer
Connection status
Displ aying ............................................ 408
Overview ............................................ .408
Connectivity Switching transmission of theve hicle
position on/off .................................... 320
Contacts ................................................... 383
Calling up ............................................ 384
Deleting ............................................... 386
Deleting favo urites .............................. 386
Downloading (from mobile phone) ...... 384
Importing ............................................ 385
Importing (o verview) .......................... .385 Information .......................................... 383
Making a call ....................................... 385
Na me form at ...................................... .384
Options ................................................ 385
Saving as a favo urite .......................... .386
Selecting options for suggestions ........ 386
St oring ................................................ 385
Con venience closing ................................. 87
Con venience opening ................................ 87
Coolant (engine) Check le vel .......................................... 435
No tes .................................................. 503
Cooling see Climate control
Co pyright .................................................... 31
Cornering light ........................................ .131
Cross Traf fic Alert .................................. .236
Crosswind Assist Function/no tes .................................... 194
Cruise control .......................................... 201
Ac tivating ............................................ 203
Buttons ................................................ 203
Calling up a speed ............................... 203 Index
581

Ac
tive Steering Assist cur rently
una vailable See Owner's Manual .........525
Ac tive Steering Assist inoperative .......524
Ad aptive Highbeam Assist cur rently
una vailable See Owner's Manual .........559
Ad aptive Highbeam Assist inopera‐
tive ...................................................... 559
Ad aptive Highbeam Assist Plus cur‐
re ntly una vailable See Owner's Man‐
ual ...................................................... .560
Ad aptive Highbeam Assist Plus inop‐
erative ................................................ .560
¯ AdBlue sy stem fault Engine
st art not possible ................................ 539
¯Ad Blue system fault Perf.
re duced in XXX miles See Owner's
Manual ................................................ 538
¯ AdBlue sy stem fault Perf.
re duced: XXX km/h Nostart in XXX
km ...................................................... .538 ¯
AdBlue sy stem fault See Own‐
er's Manual ........................................ .538
4Ad d 1 litre engine oil when next
re fuelling ............................................. 536
Anti-theft ala rmsystem Malfunction ... 556
Apply brake todeselect Park (P)
position ...............................................5 40
Apply brake toselect R ........................ 543
À ATTENTION ASSIST inoperative ... 526
ÀAT TENTION ASSIS T:Take a
break! .................................................. 525
bAu tomatic driving lights inoper‐
ative .................................................... 559
Au xilia rybattery malfunction ...............541
_ Before starting the engine, turn
th esteering wheel. .............................. 544
Blind Spot Assi stcur rently una vaila‐
ble See Owner's Manual ...................... 523
Blind Spot Assist inope rative ............... 524 Blind Spot Assi
stnot available when
to wing a trailer See Owner's Manual ...5 26
Brake immediate ly............................... 51 0
Á Changekey bat teries .................. 550
JCheck brake fluid le vel................ .515
Check brake pads See Owner's Man‐
ual ...................................................... .523
ïChe cktrailer hitch lo ck(white
display message) .................................5 52
Che cktyre pressu resth en restart
Ru n Flat Indicator ................................ 549
h Check tyre(s) .............................. .546
!Clean the fuel filter ...................... 531
Clutch overheated Avoid pulling away
fo r XX:XX mins .................................... .541
? Coolant Stop vehicle Switch
engine off ............................................ 534
Cruise contro l and Limiter inope ra‐
tive ...................................................... 529
Cruise control inope rative ................... 529 584
Index

Cruise cont
rol off ................................ 529
Cur rently una vailable Camera view
re stricted ............................................. 530
Cu rrently unavailable Radar sensors
dirty .....................................................5 27
! currently una vailable See Own‐
er's Manual .......................................... 516
÷ currently una vailable See Own‐
er's Manual .......................................... 51 0
Dep ress clutch fully tostart engine .....5 42
Drive sy stem Malfunction Stop
Switch engine off ................................ 533
Drive sy stem Malfunction Visit work‐
shop ....................................................5 33
5Engine oil le vel cannot be
measured ............................................ 535
4Engine oil le velRe duce oil le vel...5 35
4Engine oil le velSt op vehicle
Switch engine off ................................ 535 4Engine oil pressure
Stop Switch
off engine ............................................ 536
6Fr ont left malfunction Consult
wo rkshop (Example) ............................5 21
Fr ont-passenger airbag disabled See
Owner's Manual ................................... 519
Fr ont-passenger airbag enabled See
Owner's Manual ................................... 51 8
& inope rative Battery low ............... 557
&inoperati veRefuel vehicle ........... 557
&inoperative See Owner's Man. ....556
!inoperative See Owner's Man‐
ual ........................................................ 517
÷ inope rative See Owner's Man‐
ual ....................................................... .517
T inope rative See Owner's Man‐
ual ....................................................... .514
G Inoperative .................................. 521
bIntellige nt Light System inoper‐
ative ....................................................5 57Á
Key not de tected (red displ ay
messa ge).............................................5 49
ÁKe y not de tected (white dis‐
pl ay messa ge).....................................5 50
bLeft dipped beam (Example) ....... 558
6Left wind owbag malfunction
Consult workshop (Example) ................518
Limiter inoperative .............................. 529
Limiter passive .................................... 530
bMalfunction See Owner's Man‐
ual ....................................................... 559
ðMaximum speed exceeded ..........5 30
Mercedes me connect Services limi‐
te d See Owner's Manual .....................520
N permanently active Risk of vehicle
ro lling .................................................. 542
ç Off............................................... 528
ëOff ............................................... 526
Only select Park (P) when vehicle is
st ationary ............................................ 543 Index
585

ïOperation only possible in
transmission position N
....................... 551
ïOperation only possible in
transmission position P ....................... 553
!Pa rking brake See Owner's
Manual ................................................ .511
Pa rking lock malfunct. Apply parking
brake .................................................. .541
Á Place theke y in the mar ked
space See Owner's Manual ................. 550
PRE-SAFE inoperative See Owner's
Manual ................................................ 520
hRe ctify tyre pressure ...................547
Re duce speed ...................................... 548
Ø Refill Ad Blue Engine start not
possible .............................................. .537
Ø Refill Ad Blue See Owne r’s Man‐
ual .......................................................5 37
! Release parking brake .................514
¸ Replace air cleaner .....................532ÀRe
placekey See Owner's Man‐
ual ...................................................... .551
Á Replace key ................................ .550
æRe servefuel le vel........................ 534
6Re stra int sys. malfunction Con‐
sult workshop ...................................... 522
Re versing not poss. Consult work‐
shop ..................................................... 541
Risk of vehicle rolling away Apply
pa rking brake See Owner's Manual .....5 42
Risk of vehicle rolling away Parking
brake not applied See Owner's Man‐
ual ........................................................ 51 5
Risk of vehicle rolling Driver door
open and transmission not in P ...........543
Ru n Flat Indicator inope rative ............. 549
# See Owner's Manual ................... 531
Speed limit (winter tyres) XXX km/h ... 530
Speed Limit Assi stinope rative ........... .531 Ð
Steering malfunction Incre ased
ph ysical ef fort See Owner's Manual .... 554
ÐSt eering malfunction See Own‐
er's Manual ......................................... 544
Ð Steering malfunction Stop
immediately See Owner's Manual .......554
# Stop vehicle Lea veengine run‐
ning ..................................................... 532
#St opvehicle See Owner's Man‐
ual .......................................................5 33
çsuspended .................................. 528
bSwitch off lights .......................... 558
bSwitch on headla mps.................. 559
Te aching in transmission comple te..... 543
Te aching in transmission Operate
selec tor le ver Brake for XX seconds
Risk of vehicle rolling .......................... .541
To shift out of P or N,depress brake
and start engine .................................. 540586
Index

Ad
aptive brake lights .......................... .201
BA S (Brake Assi stSystem) ...................1 91
EBD (Electronic Brake forc e Distribu‐
tion) ..................................................... 19 5
ESP ®
Crosswind Assi st........................ 194
ESP ®
trailer stabilisation ...................... 194
Overview ............................................. 19 0
Ra dar sensors ...................................... 19 0
Re sponsibility ...................................... 189
ST EER CONTROL ................................. 19 5
Driving sy stem
Suspension with adaptive damping
adjustment .......................................... 219
Driving sy stem
see 360° Camera
see Active Blind Spot Assi st
see Active Dis tance Assi stDISTRONIC
see Active Emergency Stop Assist
see Active Lane Change Assi st
see Active Lane Keeping Assist
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) .................................................. 127
Gene ral driving tips ............................ .160
Ru nning-in no tes ..................................1 59
Dr ows iness de tection
see ATTENTION ASSIST
Dynamic handling control sy stem
see ESP ®
(Elect ronic Stability Prog ram)
DY NA MIC SELECT .................................... 16 4
Con figuring drive program I ................. 16 6
Displ aying engine data ........................ .167
Displ aying vehicle data ........................ 16 6
Drive prog ram display ......................... .165
Drive programs ................................... .164
Fu nction .............................................. 16 4Operating (DYNAMIC SELECT switch)
.............................................................1 65
Selecting the drive prog ram ............... .165
DY NA MIC SELECT switch
Damping adju stment ........................... 219 E
E10 ............................................................ 497
Easy entry feature
Fu nction/no tes ................................... 106
Setting ................................................. 107
Easy exitfeature
Fu nction/no tes ................................... 106
Setting ................................................. 107
EBD (Electronic Brake forc e Distribu‐
tion)
Function/no tes ................................... 19 5
ECO display Function .............................................. 16 4
Re setting ............................................. 262
ECO start/s top function ......................... 16 2
Au tomatic engine start ........................ 16 2
Au tomatic engine stop .........................1 62588
Index