2021 MERCEDES-BENZ A-CLASS HATCHBACK heating

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Select park position j, transmission position kor neutral i.
Risk of vehicle rolling away
Apply parking brake See
Owner's Manual *T
he transmission position cann otbe reliably identi/ed. #
Use the electric parking brake tosecure theve hicle against rollingaway.
Teaching in transmission
complete *T
he transmission's teach-in process is comple te. All transmission positions can be selected again.
Transmission Malfunction
Visit workshop *T
he transmission is malfunctioning.
Consult a quali/ed specialist workshop.
Depress clutch fully to
start engine *Y
ou ha veattem pted tostart theve hicle without depressing the clutch pedal. #
Depress the clutch pedal and then start theve hicle.
*T hevehicle has stalled while theve hicle was pulling away,e.g. because the clutch pedal wasre leased tooqu ickl y. #
Depress the clutch pedal again.
The vehicle will start automaticall y. #
Slowly re leasethe clutch pedal topull away.
Clutch overheated Avoid
pulling away until the warn-
ing goes out *T
he clut chis under considerable load and is overheating.
Av oid frequent pulling away and driving at walking pace over longer distances. #
Stop theve hicle, paying attention toroad and tra1c conditions and lea vetheve hicle running.
The clutch will cool more quickly when theve hicle is running. Display messa
ges and warning/indicator lamps
441 441

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
Tyre(s) overheated *At least one tyre is overheating. The a.ected tyres are displa yed in red. At temp eratures close tothe limit value, the
tyres are displa yed in yello w. &
W
WARNI NG
ARNI NGRisk of an accident from driving with overheated tyres
Overheated tyres can burst. #
Reduce speed so that the tyres cool down. Reduce speed
*At least one tyre is overheating. The a.ected tyres are displa yed in red. At temp eratures close tothe limit value, the
tyres are displa yed in yello w. &
W
WARNI NG
ARNI NGRisk of an accident from driving with overheated tyres
Overheated tyres can burst. #
Reduce speed so that the tyres cool down. T
T
yr
yr e pr
e pr essur
essur e loss w
e loss w ar
ar ning syst
ning syst em
em Displa
Displa y messag
y messag es P
es Possible causes/conseq
ossible causes/conseq uences and
uences andM
MSolutions
Solutions
Tyre pressure Check tyres *The tyre pressure loss warning system has de tected a signi/cant loss of pressure. Display messages and
warning/indicator lamps
469
469

Sulphur content....................................
.395
Ta nk content.......................................... 397
F
F uel consump
uel consump tion indicat
tion indicator
or
Calling up.............................................. 181
F
F unction seat
unction seat
see Door cont rol panel
F
F uses
uses
Before replacing a fuse.......................... 364
Fu se assignment diag ram. ...................... 364
Fu se box in the engine compartment......3 65
Fu se box in the front passenger foot-
we ll........................................................ 366
Fu se box in the load compartment......... 367
No tes..................................................... 364 G
G
Gar Gar ag
age door opener
e door opener
Clea ring the memory.............................. 215
Gar Gar ag
age door openers
e door openers
Opening/closing the door......................2 15
Prog ramming buttons............................. 213
Re solving problems................................ 214
Syn chronising thero lling code................ 214
Gear
Gear shiT shiT r
recommendation
ecommendation................... 183, 186 Genuine par
Genuine par
ts
ts................................................ 25
Glide mode
Glide mode.................................................. 187
Gr Gr oss mass
oss mass.................................................. 392 H
H
Handbr
Handbr ake
ake
see Electric parking brake
Handling c
Handling c har
haract
act er
eris
istics (unusual)tics (unusual) ................ 368
Hazar
Hazar d w
d war
arning lights
ning lights................................... 137
Head r
Head r es
estrtraint
aint
Fr ont (adjusting mechanically)................ 108
Re ar (adjusting)..................................... .109
Re ar (removing//tting)........................... 110
Head-up displ ay
Head-up display
Adjusting brightness (on-board com-
puter).................................................... 283
Ad justing display elements (on-board
co mp uter).............................................. 283
Care...................................................... 343
Fu nction................................................ 282
Menu (on-boa rdcomputer)..................... 283
Operating the memory function.............. 115 Setting
the position (on-board com-
puter).................................................... 283
Switching on/o.....................................2 84
Headlam
Headlam p p0ashing
0ashing ........................................ 136
Headlam
Headlam ps
ps
see Automatic driving lights
Heating
Heating see Climate control
Help call
Help call see Mercedes-Benz emer gency call system
High beam
High beam Activating/deactivating.......................... 136
High beam
High beam see Adaptive Highbeam Assist
see Adaptive Highbeam Assist Plus
High-pr
High-pr essur
essure cleaner (car
e cleaner (car e)
e)........................ 339
High-v
High-v olt
oltag
age batt
e batt ery
ery
Char geleve l displa y............................... 211
Charg ing cable control panel.................. 200
Charging duration.................................. 404
Connection types...................................4 04
Ending thech arging process (alternat-
ing cur rent, mode 2/3).......................... 206 508 508
Ind
ex

R
R
egulat
egulat or
ory r
y r adio
adio identi/cation
identi/cation
Indonesia............................................... 391
Small components................................. 391
R R emot
emot e Online
e Online
Charging the star ter batter y................... 167
Cooling/heating theve hicle interior....... 167
St arting theve hicle............................... .168
R
R eplacing a bulb
eplacing a bulb
see Changing bulbs
R
R escue card
escue card................................................... 42
R
R eser ve
eser ve
Fu el....................................................... 397
R
R ese
ese t function (MBUX multimedia syst
t function (MBUX multimedia syst em)
em).... 298
R
R esidual heat
esidual heat............................................... 155
R
R est
est or
oring (f
ing (f act
actor
ory se
y se ttings)
ttings)
see Reset function (MBUX multimedia system)
R
R es
es tr
traint syst
aint syst em
em
Basic instructions forch ildren.................. 61
Fu nction in an accident............................ 47
Fu nctionality........................................... .47
Limited pr otection....................................46
Malfunction............................................. 47
Pr otection................................................ 46 Self-test...................................................47
Wa
rning lamp........................................... 47
R
R e ev
ver
er se g
se g ear
ear
Engaging................................................ 184
Rev
Rev er
ersing camera
sing camera
Care...................................................... 342
Fu nction................................................ 255
Opening the camera co ver (360°
Camera)................................................ 260
Switching automatic operation on/o.
(360° Camera)...................................... 260
Rev Rev er
ersing lights (c
sing lights (c hanging bulbs)
hanging bulbs).................. 145
Rims (car
Rims (car e)
e).................................................. 342
R
R oll awa
oll awa y prot
y pr otection
ection
see HOLD function
R
R oller sunblind
oller sunblind
Sliding sunroof......................................... 95
R
R oof lining (car
oof lining (car e)
e).......................................... 343
R
R oof load
oof load.....................................................4 04
R
R oof lugg
oof lugg ag
age r
e r ack
ack
Loading.................................................. 127
Securing................................................ 127 R R
oute
oute
Calculating............................................. 303
Selecting options................................... 303
R
R out
out e guidance wit
e guidance wit h augment
h augmented r
ed reality
eality
Ac tivating............................................... 303
Displaying street names and house
numbers................................................ 303
R R out
out e-based oper
e-based oper ating-mode s
ating-mode strtrat
at egy
egy
Fu nction/no tes...................................... 177
R
R out
out e-based speed adapt
e-based speed adapt ation
ation
Fu nction................................................ 237
Setting.................................................. .238
R
R un-0at
un-0at c
char
har act
acter
eristics
istics
MOExtended tyres................................. 348
R
R unning-in not
unning-in not es
es.......................................... 168 S
S
Safe
Safe ty syst
ty syst ems
ems
see Driving saf ety sy stem
Sa fe
Safe ty v
ty vest
est.................................................. .346
Searc
Searc h light
h light
Switching on/o. (contactless). .............. 291518
518
Index

Seat
Seat
4-waylumbar suppor t............................ 108
adjusting (electrically)............................ 108
Ad justing (Seat Com fort)........................ 105
Ad justing the seat backrest angle
(rear)..................................................... 122
Ad justment (without Seat Com fort
Pa ckage)................................................ 103
Con/guring settings.............................. .110
Cor rect driver's seat position................. 102
Fo lding back the backrest (rear)............. 121
Fo lding the backrest (front passenger
seat) forw ards....................................... .119
Fo lding the backrest forw ards (rear)...... .120
Locking the backrest (rear).................... 122
Operating the memory function.............. 115
Re setting the settings............................ 110
Setting options......................................... 18
Seat belt
Seat belt
Activating/deactivating seat belt
adjustment.............................................. 52
Care...................................................... 343
Fa stening................................................. 51
Pro tection................................................ 48
Re ar seat belt status displ ay..................... 52 Re
duced pr otection.................................. 49
Re leasing................................................. 52
Seat belt adjustment (function)................ 51
Wa rning lamp........................................... 52
Seat belt adjus
Seat belt adjustment tment
Ac tivating/deactivating............................ 52
Fu nction.................................................. 51
Seat belt t Seat belt t ensioners ensioners
Ac tivation................................................ 47
Seat belt w
Seat belt w ar
arning
ning
see Seat belt
Seat cov
Seat cov er (Car
er (Care)
e)......................................... 343
Seat heating
Seat heating Activating/deactivating.......................... 111
Seat v
Seat v entilation
entilation
Switching on/o..................................... 111
Selecting a g
Selecting a g ear
ear
see Changing gears
Select
Select or lev
or lever
er
see DIRECT SELECT le ver
Self-t
Self-t est
est
Au tomatic front passenger airbag shut
o............................................................. 57 Sensor
Sensor
s (car
s (care)
e)............................................. 342
Ser
Ser vice
vice
see ASSY STPLUS
Ser
Ser vice cent re
vice centre
see Quali/ed specialist workshop
Ser
Ser vice int
vice int erv
erval displ ay
al displ ay
see AS SYST PLUS
Se
Se tting a speed
tting a speed ............................................ 178
Se
Se tting a speed
tting a speed
see Cruise cont rol
Se
Se tting t
tting t he map scale
he map scale
see Map
ShiT
ShiT paddles
paddles
see Steering wheel gearshiT paddles
ShiTing
ShiTing g
gears
ears
GearshiT recommendation............ .183, 186
Side airbag
Side airbag..................................................... 53
Side im Side im pact prot
pact pr otection
ection ................................. 262
Side windo ws
Side windo ws
Au tomatic function.................................. .93
Child saf ety lock in there ar..................... .80
Closing using theke y............................... 94 Index
519
519

V
V
ehicle dimensions
ehicle dimensions ...................................... 403
V
V ehicle emerg
ehicle emerg ency st
ency start
art...............................3 64
V
V ehicle
ehicle identi/cation
identi/cation number
number
see VIN
V
V ehicle
ehicle identi/cation
identi/cation plate
plate
EU type appr oval number....................... 392
Maximum gross vehicle weight............... 392
Pa int code............................................. 392
Pe rm issible axle load.............................. 392
VIN........................................................3 92
V
V ehicle int
ehicle int er
erior
ior
Cooling or heating (Remo teOnline)........ 167
V
V ehicle key
ehicle key
see Key
V
V ehicle maint
ehicle maint enance
enance
see ASS YST PLUS
V
V ehicle sensors
ehicle sensors
Information............................................ 220
V
V ehicle so cket
ehicle soc ket
Care...................................................... 342
Indicator lamps...................................... 201
V V ehicle t
ehicle t ool kit
ool kit
TIREFIT kit...................................... 349, 350 To
wing eye............................................. 363
V
V entilating
entilating
Con venience opening.............................. .94
V
V entilation
entilation
see Climate control
V
V ents
ents
see Air vents
VIN
VIN Engine compartment.............................. 392
Identi/cation pla te................................. 392
Wi ndsc reen............................................ 392
V
V ision
ision
Demisting windo ws................................ 155 W
W
W
W ar
ar ning lamp
ning lamp
see Warning/indicator lamp
W
W ar
ar ning syst
ning syst em
em
see ATA (anti-theT alarm system)
W
W ar
ar ning tr
ning tr iangle
iangle
Re moving............................................... 346
Setting up.............................................. 347 W
W
ar
ar ning/indicat
ning/indicat or lamp
or lamp
! ABSwarning lamp......................... 488
Ó Active Brake Assist warning lam p..4 87
J Brake system warning lamp (red)... 486
J Brake system warning lamp (yel-
low)....................................................... 485
ÿ Coolant warning lamp (red)........... 481
ÿ Coolant warning lamp (yellow).......4 83
! Electric parking brake indicator
lamp (red).............................................. 485
# Electrical fault warning lamp
...................................................... 480, 484
; Engine diagnosis warning lamp...... 483
å ESP®
OFF warning lam p................ 489
÷ ESP®
wa rning lamp 0ashes........... 488
÷ ESP®
wa rning lamp lights up......... 489
æ Fuelreser vewarning lamp lights
up.......................................................... 484
Ù Powe r steering warning lamp
(red)...................................................... 480 Index
525 525