2021 MERCEDES-BENZ A-CLASS HATCHBACK parking brake

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Check the conditions for automatic release of the electric parking brake. #
Release the electric parking brake manuall y.
!
Turn on the ignition to
release the parking brake *T
hered! indicator lamp is lit.
Yo u ha veattem pted torelease the electric parking brake with theve hicle switched o.. #
Switch on theve hicle.
Risk of vehicle rolling away
Parking brake not applied
See Owner's Manual *V
Vehicles wit ehicles wit h manual tr
h manual tr ansmission:
ansmission: the electric parking brake has not been applied and you open the driver's door. #
Apply the electric parking brake.
J
Brake immediately *V
Vehicles wit
ehicles wit h manual tr
h manual tr ansmission:
ansmission: a malfunction has occur red while the HOLD function was activated.
A horn may also sound at regular inter vals. If you attem pttolock theve hicle, the horn will become louder.
Yo u cannot start theve hicle system. #
Immediately depress the brake pedal /rmly until the display message disappears.
Yo u cannot start theve hicle system again. 446
446
Displ
aymessages and warning/indicator lamps

W
W
ar
ar ning and indicat
ning and indicat or lam
or lamps
ps Ov
Ov
er
ervie
vie w of indicat
w of indicat or and w
or and war
arning lam
ning lam ps
ps Some systems will per
form a self-test when the
ve hicle is switched on. Some indicator and warn-
ing lamps may brie0y light up or 0ash. This beha v-
iour is non-critical. These indicator and warning
lamps indicate a malfunction only if they light up
or 0as haTer theve hicle has been star ted or dur-
ing a journe y.
S
S t
tandar
andar d ins
d instr
trument displ ay
ument display W
W
idescr
idescr een coc
een coc kpit ins
kpit instrtrument display
ument display Depending on
the display setting, the positions of
th e indicator lamps on the inst rument display may
di.er from theex ample shown.
Indicat
Indicat or and w
or and w ar
arning lam
ning lam ps:
ps:
6 Restraint system (/ page 477)
ü Seat belt (/ page 477)
_ Reduced po wer (/ page 479)
Ú System error (/ page 479)
# Electricalfault (/ page 479)
ï Trailer hitch (/ page 480)
Ù Powe r steering (/ page 480) ÿ
V
V ehicles wit
ehicles wit h a widescr
h a widescr een coc
een coc kpit
kpit:
:
coolant temp erature (/ page 481)
; Engine diagnostics (/ page 481)
% V
Vehicles wit
ehicles wit h a diesel engine:
h a diesel engine: preglow
# Electricalfault (/ page 481)
æ Reser vefuel wi thfuel /ller 0ap loca-
tion indicator (/ page 481)
! Electric parking brake (red)
(/page 485)
! Electric parking brake (yellow)
(/page 485)
J Brakes (yellow) (/ page 485)
J Brakes (red) (/ page 485)
L Distancewarning (/ page 487)
Ó Active Brake Assist (/ page 487)
ê Active Brake Assist (/ page 487)
! ABS (/page 488)
÷ ESP®
(/ page 488)
å ESP®
OFF (/ page 488) 476 476
Display messages and
warning/indicator lamps

Br
Br
ak
ak es
es W
W
ar
ar ning/indicat
ning/indicat or lamp P
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
!
Electric parking brake indi-
cator lamp (red)
!
The electric parking brake
(yellow) indicator lamp *T
he red electric parking brake indicator lamp 0ashes or is lit.
The yellow electric parking brake indicator lamp is also lit in theev ent of a malfunction. #
Notethe messages on the instrument displa y.
J
Brake system warning lamp
(yellow) *T
he yellow brake warning lamp is lit while theve hicle is running. &
W WARNI NG
ARNI NGRisk of an accident due toa brake system malfunction
If th e brake system is malfunctioning, braking characteristics may be impaired. #
Drive on carefull y. #
Have the brake system checked immediately at a quali/ed specialist workshop. #
Adjust your speed and drive on carefull y,leaving a suitable distance totheve hicle in front. #
Ifth e inst rument display sho wsa displ aymessage, obser veit. Display message
s andwarning/indicator lamps
485
485

6
Front leT malfunction Consult
wo rkshop (e xample)...............................4 11
& inoperative Battery low................. 420
& inoperative Char geHV battery ...... 421
& inoperati veHigh-voltage battery
ch arging inco mplete ............................... 421
& inoperative Refuel vehicle............. .421
& inoperative See Owner's Man........ 420
! inoperative See Owner's Manual.. .460
÷ inoperative See Owner's Manual.. .461
T inoperative See Owner's Manual.. .462
G Inoperative................................... 463
: Intelligent Light System inopera-
tive........................................................ 418
Á Key being initialised Please wait.... 415
Á Key not de tected (red display
message).............................................. .415
Á Key not de tected (white display
message).............................................. .415
: LeT dipped beam (e xample).......... 416 6
LeT windowbag malfunction
Consult workshop (e xample).................. 412
: Malfunction See Owner's Man-
ual.........................................................4 17
Û Malfunction Visit workshop ........... 426
d Malfunction.................................. 427
Û Malfunction.................................. 426
ð Maximum speed exceeded ............ 451
ç O................................................. 450
ë O................................................. 447
! Parking brake See Owner's
Manual..................................................4 43
d Performance se verely limited........ 427
6 Please wait Depressurising tank .... 428
& Pre-entry clima tecont rol (via
ke y) available again aTer engine start..... 422
& Pre-ent ryclimate cont rol (via
ke y) inoperati veHV-battery low .............. 422
h Rectify tyre pressure ..................... 468 Ú
Re/ll AdBlue See Owner ’sMan-
ual ......................................................... 471
! Release parking brake ...................445
¸ Replace air cleaner ....................... 437
Á Replace key.................................. 414
æ Reser vefuel le vel.......................... 437
6 Restraint sys. malfunction Con-
sult workshop ....................................... .410
# See Owner's Manual..................... 464
Ù Steering malfunction Increased
ph ysical e.ort See Owner's Manual.......4 31
Ù Steering malfunction See Own-
er's Manual ............................................ 432
Ù Steering malfunction Stop
immediately See Owner's Manual ........... 431
d Stop Switch engine o.................. .427
# Stop vehicle Lea veengine run-
ning ....................................................... 466
# Stop vehicle See Owner's Man-
ual......................................................... 465 Index
501 501

ç
suspended .................................... 449
: Switch o. lights............................ 418
: Switch on headlamps .................... 418
6 Tank is dep ressurised Ready for
re fuelling ............................................... 428
6 Tank ventilation Malfunction
Consult workshop ................................. .428
á temp orarily una vailable Camera
view restric ted....................................... 457
¸ temp orarily una vailable Sensors
dirty....................................................... 456
Ú Top up AdBlue Emer gency op. in
XXX miles See Owner's Manual.............. 471
+ Top up coolant See Owner ’s
Manual.................................................. 435
¥ Top up washer 0uid...................... .434
u Towing not permitted See Own-
er's Manual ............................................ 423
d Trans. oil overheated Drive on
with care................................................ 440 !
Turn on the ignition torelease
th e parking brake ................................... 446
Ú .................................................... 471
d Vehicle is operational Switch o.
ignition before exiting............................. 429
h Warning tyre defect....................... 468
h Wheel sensor(s) missing ................ 467
Ú XX,X l Top up AdBlue Swit chon
ignition, wait 60 sec. or eng. start not
poss...................................................... 472
"Electric" drive prog ram cur rently
una vailable............................................. 425
Ac tive Blind Spot Assist cur rently
una vailable See Owner's Manual ............ 454
Ac tive Blind Spot Assist inoperative........ 454
Ac tive Blind Spot Assist not available
when towing a trailer See Owner's
Manual.................................................. 455
Ac tive bonnet malfunction See Own-
er's Manual............................................ 432 Ac
tive Brake Assist Functions cur-
re ntly limi ted See Owner's Manual .........462
Ac tive Brake Assist Functions limited
See Owner's Manual.............................. 463
Ac tive Distance Assist available again ..... 451
Ac tive Distance Assist cur rently
una vailable See Owner's Manual ............ 450
Ac tive Distance Assist inoperative.......... 450
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual ............ 455
Ac tive Lane Keeping Assist inoperative... 455
Ac tive Steering Assist cur rently
una vailable due tomultiple emer-
ge ncy stops........................................... 452
Ac tive Steering Assist cur rently
una vailable See Owner's Manual ............ 452
Ac tive Steering Assist inoperative...........4 52
Ad aptive Highbeam Assist cur rently
una vailable See Owner's Manual ............ 418
Ad aptive Highbeam Assist inoperative ....4 19 502 502
Index

Only select
Park (P) when vehicle is
stationary.............................................. 438
Pa rking Assist and PARKTRONIC inop-
erative See Owner's Manual................... 458
Pa rking lock inoperative Apply the
parking brake ........................................ .440
Place theke y in the mar ked space
See Owner's Manual.............................. 416
PRE-SAFE inoperative See Owner's
Manual.................................................. 414
Re duce speed........................................ 469
Re duced drive system per form ance
See Owner's Manual.............................. 425
Re versing not poss. Consult workshop ... 439
Risk of vehicle rolling away App ly
parking brake See Owner's Manual ........ 441
Risk of vehicle rolling awayPa rking
brake not applied See Owner's Manual ... 446
Risk of vehicle rolling Driver door
open and transmission not in P .............. 439Ru
n Flat Indica tor inoperative................. 470
Speed limit (winter tyres) XXX km/h .......451
Speed Limit Assist cur rently una vaila-
ble See Owner's Manual........................ 451
Speed Limit Assist inoperative................ 451
Te aching in transmission comple te......... 441
Te aching in transmission Operate
selector le ver Brake for XX seconds
Risk of vehicle rolling ............................. 440
To shiT out of P or N,depress brake
and start engine.................................... .438
To switch o. the engine, press the
St art/ Stop button for at least 3 sec-
onds or 3 times...................................... 435
Tr a1c Sign Assist cur rently una vaila-
ble See Owner's Manual........................ 453
Tr a1c Sign Assist inoperative................. 453
Tr ansmission Malfunction ....................... 440
Tr ansmission Malfunction Stop............... 439 Tr
ansmission Malfunction Visit work-
shop ...................................................... 441
Ty re press. monitor cur rently una vaila-
ble......................................................... 466
Ty re press. monitor inoperative .............. 466
Ty re press. monitor inoperative No
wheel sensors ........................................ 467
Ty re pressure Check tyres ...................... 469
Ty re(s) ove rheated .................................. 469
Ve hicle not cur rently being charged
Charging station fault............................. 424
Wi per malfunctioning .............................434
Wi thout changing gear, consult work-
shop ............................................. .426, 439
Wi thout starting engine again, consult
wo rkshop ............................................... 426
Dist
Dist ance contr ance contr ol
ol
see Active Distance Assist DISTRONIC
DIS DIS TR TRONIC
ONIC
see Active Distance Assist DISTRONIC 504
504
Index

Door
Door
Additional door loc k................................. 86
Child saf ety lock (rear door )..................... 79
Locking/unlocking (emer gency key)........ .89
Opening (from inside).............................. .86
Unlo cking (from inside)............................ 86
Door contr
Door contr ol panel
ol panel......................................... 18
Dra
Dra wbar
wbar
see Tow- bar system
Dr
Dr iv
ive Awa
e Away Assi st
y Assi st........................................ .269
Dr
Dr iv
ive position
e position
Engaging................................................ 185
Dr
Dr iv
ive pr
e pr ogr
ogram display
am display .................................. 179
Dr
Dr iv
ive pr
e pr ogr
ograms
ams
see DYNAMIC SELECT
Dr
Dr iv
iver's seat
er's seat
see Seat
Dr
Dr iving abr
iving abr oad
oad
Light adjustment (l owbeam).................. 134
Dr
Dr iving safe
iving safe ty syst
ty system
em
ABS (Anti-lock Braking System)............. .221
Ac tive Brake Assist................................. 241
Ad aptive brake lights.............................. 226 BAS
(Brake Assist System).................... .222
Cameras................................................2 20
EBD (Electronic Brake forc e Distribu-
tion).......................................................2 24
ESP ®
Crosswind Assist.......................... 223
ESP ®
trailer stabilisation........................ 223
Overview................................................ 220
Ra dar and ultrasonic sensor s................. 220
Re sponsibility......................................... 219
ST EER CONTROL................................... 224
Dr Dr iving syst
iving syst em
em
Suspension with adaptive damping
adjustment............................................ 254
Dr
Dr iving syst
iving syst em
em
see 360° Camera
see Active Blind Spot Assist
see Active Distance Assist DISTRONIC
see Active Emer gency Stop Assist
see Active Lane Keeping Assist
see Active Parking Assist
see Active Speed Limit Assist
see Active Steering Assist
see ATTENTION ASSIST
see Blind Spot Assist
see Cruise cont rol see Driving saf
ety sy stem
see HOLD function
see Limi ter
see Parking Assist PARKTRONIC
see Reversing camera
see Speed Limit Assist
see Start-o. assist
see Tra1c Sign Assist
Dr
Dr iving tips iving tips
Driving abroad (low beam light adjust-
ment)..................................................... 134
Gene ral driving tips................................1 69
Ru nning-in no tes.................................... 168
Dr
Dr iving tips iving tips
see Recuperation
Dr ow
Dr ow siness det
siness det ection
ection
see ATTENTION ASSIST
Dynamic handling contr
Dynamic handling contr ol syst
ol system
em
see ESP ®
(Electronic Stability Prog ram)
D
D YN
YNAMIC SELECT AMIC SELECT
Ad aptive damping adjustmen t................254
Calling up the fuel consum ption indi-
cator...................................................... 181
Con/guring drive prog ram I................... .180 Index
505 505

Displaying engine data...........................1
81
Displaying vehicle dat a........................... 181
Drive prog ram displa y............................ 179
Drive prog rams...................................... 178
Fu nction................................................ 178
Ope rating.............................................. 179
Selects the drive prog ram. ..................... 179 E
E
E10
E10.............................................................. 395
Easy entr
Easy entr y f
y feature
eature
Fu nction/no tes...................................... 113
Setting................................................... 114
Easy e
Easy e xit f
xit featu re
eature
Fu nction/no tes...................................... 113
Setting................................................... 114
EBD (Electr
EBD (Electr onic Br
onic Brak
ake f
e f or
orce Dis
ce Dis tr
tribution)
ibution)
Fu nction/no tes...................................... 224
EC
EC O Assist
O Assist
Fu nction/no tes...................................... 176
EC
EC O display
O display
Fu nction................................................ 174 EC
EC
O st
O st ar
art/st
t/st op function
op function
Switching o./on.................................... 173
Electr
Electr ic dr
ic drive
ive................................................ 162
Electr
Electr ic par
ic parking br
king br ake
ake
Applying automaticall y........................... 215
Applying/releasing manually.................. 217
Emer gency braking................................ 218
Re leasing automaticall y.......................... 217
Electr
Electr ical fuses
ical fuses
see Fuses
Electr
Electr omagne
omagne tic com
tic compatibility
patibility
Declaration of conformity........................ .29
Electr
Electr onicSt
onic Stability Pr
ability Pr ogr
ogram
am
see ESP ®
(Elect ronic Stability Prog ram)
Emerg
Emerg ency
ency
Assis tance overview................................. 20
Fire extinguisher.................................... 347
Fi rs t-aid kit (soT sided).......................... 347
Re moving thewa rning triangle............... 346
Saf etyve st............................................. 346
Setting up thewa rning triangle............... 347
Emerg
Emerg ency br
ency br aking
aking...................................... 218 Emerg
Emerg
ency br
ency br aking
aking
see BAS (Brake Assist System)
Emerg
Emerg ency call
ency call
see Me rcedes-Benz emer gency call system
Eme rg
Emerg encykey
ency key
Inserting/ removing.................................. 84
Locking/unlocking the doors................... 89
Unlocking theta ilgat e.............................. 91
Emerg
Emerg ency oper
ency oper ation mode
ation mode
St arting theve hicle............................... .166
Emerg
Emerg ency
encyshut
shuto.
o.
see Hybrid system
Emerg
Emerg ency spar
ency spar e wheel
e wheel
In0ating................................................. 385
No tes..................................................... 383
Ener Ener gy
gy0ow
0ow display
display
Displayin g.............................................. 299
Fu nction/no tes...................................... 299
Engine
Engine
Engine number....................................... 392
Starting (emer gency ope ration mode ).... 166
St arting (Remo teOnline)........................ 168 506 506
Index