2018 MERCEDES-BENZ A-CLASS SALOON wheel

Display messages
Possible causes/consequences and M
MSolutions &
WARNING Risk of an accident from driving wi thaflat tyre
Flat tyres are dangerous in thefo llowing ways:
R The tyres can overheat and cause a fire.
R ‑ The driving characteristics, steering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. #
Do not drive with a flat tyre. #
Obse rveth e no tes on flat tyres. No
tes on flat tyres (/ page448). #
Stop theve hicle, paying attention toroad and traf fic conditions. #
Check the tyres.
h Check tyre(s) *T
he tyre pressure in one or more tyres has dropped significantl y.The wheel position is displa yed. &
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. 546
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
Yo u could then lose control of theve hicle. #
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 (/ page470) and the tyres.
h Rectify tyre pressure *T
he tyre pressure is too low in at least one of the tyres, or the tyre pressure dif fere nce between the wheels is too
great. #
Check the tyre pressure and add air, if necessar y. #
When the tyre pressure is cor rect, restart the tyre pressure monitoring sy stem (/ page473).
h Tyre press. monitor cur-
rently unavailable *T
here is inter fere nce from a po werful radio signal source. As a result, no signals from the tyre pressure sensors are
re cei ved. The tyre pressure monitoring sy stem is temp orarily una vailable. #
Drive on.
The tyre pressure monitoring sy stem restarts automatically as soon as the cause has been rectified.
h
Wheel sensor(s) missing *T
he tyre pressure sensor signal is missing from one or more tyre(s). The pressure of the af fected tyre is not dis‐
pl ay ed. #
Have thefa ulty tyre pressure sensor replaced at a qualified specialist workshop. Display messages and
warning/indicator lamps 547

Display messages
Possible causes/consequences and M
MSolutions
h Tyre press. monitor inoper-
ative No wheel sensors *T
he wheels fitted do not ha vesuitable tyre pressure sensors. The tyre pressure monitoring sy stem is deactivated. #
Fit wheels with suitable tyre pressure sensors.
h
Tyre press. monitor inoper-
ative *T
he tyre pressure monitoring 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.
Tyre(s) overheated *A
t least one tyre is overheating. The af fected tyres are displ ayed in red. At temp eratures close tothe limit value,
th e tyres are displa yed in yello w. #
Drive more sl owly.
Reduce speed *A
t least one tyre is overheating. The af fected tyres are displ ayed in red. At temp eratures close tothe limit value,
th e tyres are displa yed in yello w. 548
Displaymessa ges and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions #
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. #
Obser vethe messages on the multifunction displa y. #
Consult a qualified specialist workshop.
! ABS warning lamp The
yellow ABS warning lamp is lit while the engine is running.
ABS is malfunctioning.
If th ere is an additional warning tone, EBD is malfunctioning.
Other driving sy stems and driving saf ety sy stems may also be malfunctioning. &
WARNING Thereisrisk of skidding if EBD or ABS is malfunctioning
If EBD or ABS is malfunctioning, the wheels could lock when braking
The steering capability and braking characteristics are thus se verely impaired. The braking dis tance may increase in
an emergency braking situation. In addition, other driving saf ety sy stems are switched off. #
Drive on carefull y. #
Have the brake sy stem checked immediately at a qualified specialist workshop. #
Drive on carefully. #
Obser vethe messages on the multifunction displa y. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 563

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions #
Consult a qualified specialist workshop.
÷ ESP ®
wa rning lamp flashes The
yellow ESP ®
wa rning lamp flashes while theve hicle is in motion.
At least one wheel and tyre assembly has reached its traction limit (/ page191). #
Adapt your driving style to suit thero ad and weather conditions.
÷ ESP ®
wa rning lamp lights
up The
yellow ESP ®
wa rning lamp is lit while the engine is running.
ESP ®
is malfunctioning
Other driving sy stems and driving saf ety sy stems may also be malfunctioning. &
WARNING Risk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning, ESP ®
cannot car ryout vehicle stabilisation. In addition, other driving saf ety sy stems are
switched off. #
Drive on carefull y. #
Have ESP ®
ch ecked at a qualified specialist workshop. #
Drive on carefully. #
Obser vethe messages on the multifunction displa y. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 565

1,
2, 3 ...
12 V battery
see Battery (vehicle)
12 V so cket
see Soc ket (12 V)
11 5 V soc ket
see Soc ket (1 15 V)
230 V soc ket
see Soc ket (230 V)
360° Camera ........................................... 226
Ca re .................................................... 442
Fu nction .............................................. 226
Opening the camera co ver (r eve rsing
camera) .............................................. .230
Selecting a view .................................. 230
Setting favo urites ................................ 230
Swit ching automatic operation
on/off (r eversing camera) .................. .230 A
A/C function Activating/deactivating (multimedia
sy stem) ................................................ 147Switching on/off (control panel) .........
14 6
ABS (Anti-lock Braking Sy stem) ............ .191
Ac celeration
see Kickdown
Ac cess data
Setting (Blue tooth®
) ............................ 406
Ac cident and breakdown manage‐
ment
Mercedes me connect ........................ .399
Ac oustic locking verification signal
Ac tivating/deactivating ......................... 74
Ac tivating/deactivating automatic
vo lume adjustment
Ad vanced sound sy stem ......................4 28
Burmes ter®
sur round sound sy stem ... 426
Ac tive Blind Spot Assi st.......................... 24 2
Ac tivating/deactivating ...................... .245
Brake application ................................. 24 4
Fu nction .............................................. 24 2
Sy stem limitations ...............................2 42
Tr ailer operation .................................. 24 4
Ac tive bonn et(pedestrian pr otection) .. 430
Operation ............................................ 430 Re
setting ............................................. 430
Ac tive Brake Assi st
Fu nction/no tes ................................... 19 5
Setting ................................................. 201
Ac tive Di stance Assist DISTRO NIC........ 205
Ac tive Emergency Stop Assist .............. 215
Ac tive Lane Change Assi st................... 213
Calling up a speed .............................. .207
Displ ays in the instrument display .......2 15
Fu nction .............................................. 205
Increasing/decreasing speed .............. 207
Re quirements: .................................... .207
Ro ute-based speed adap tation ........... .210
Selecting ............................................. 207
St eering wheel buttons ........................ 207
St oring a speed ................................... 207
Switching off/deactivating .................. 207
Switching on/activating ......................2 07
Sy stem limitations ...............................2 05
Ac tive Eme rgency Stop Assist ................ 215
Ac tive headlamps .................................... 13 0
Ac tive Lane Change Assi st...................... 213
Ac tivating/deactivating ...................... .215
Fu nction ............................................... 213574
Index

DY
NA MIC SELECT switch .................... 16 4
Engaging drive position ........................ 171
Engaging neutral .................................. 17 0
Engaging pa rkposition ........................ 17 0
Engaging reve rsege ar ........................ .170
Kickdown ............................................. 172
Manual gear changing .......................... 171
St eering wheel gearshift paddles ........ .171
Tr ansmission position display .............. 16 9
Tr ansmission positions ........................ 16 9
Au tomatic transmission (problem)
see Transmission (problem)
Axle load Perm issible .......................................... 494
Tr ailer operation .................................. 508 B
Baidu CarLife Trans ferred vehicle data ......................3 96
Ball neck Folding out/in .................................... .248
BA S (Brake Assist Sy stem) .................... .191
Battery Charging (Remo teOnline) .................... 15 9Ke
y ........................................................ 75
Re mo tecontrol (s tationary heater) ...... 15 2
Battery see Battery (vehicle)
Battery (vehicle) ...................................... 460
Charging .............................................. 459
Charging (Remo teOnline) .................... 15 9
No tes .................................................. 455
No tes (s tarting assis tance and
ch arging) ............................................ .457
Re placing ............................................ 460
St arting assis tance .............................. 459
Belt see Seat belt
Bic ycle rack
Tr ailer operation .................................. 251
Blind Spot Assist .................................... .242
Ac tivating/deactivating ...................... .245
Fu nction .............................................. 24 2
Sy stem limitations ...............................2 42
Blo wer
see Climate control BlueTEC
see AdBlue ®
Blue tooth ®
............................................... 320
Information .......................................... 320
Setting up an Internet connection ....... 406
Switching on/off ................................. 320
Boot lid Closing .................................................. 83
HANDS-FREE ACCESS .......................... .84
Opening .................................................82
Opening dimensions ............................5 04
Brake Assist Sy stem
see BAS (Brake Assi stSystem)
Brake fluid Notes .................................................. 502
Brake forc e distribution
EBD (Elect ronic Brake forc e Distribu‐
tion) ..................................................... 19 5
Brakes ABS (Anti-lock Braking Sy stem) ........... 191
Ac tive Brake Assi st.............................. 19 5
Ad aptive brake lights .......................... .201
BA S (Brake Assi stSystem) ...................1 91
Driving tips .......................................... 16 0578
Index

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