key MERCEDES-BENZ EQA SUV 2021 Service Manual

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
Á
Key not detected (white dis-
play message) *T
hekey is cur rently unde tected. #
Change the location of theke y in theve hicle. #
Ifth eke y is still not recognised, place it in the slot for starting with theke y (/ page 151).
Á Key not detected (red dis-
play message) *T
hekey cann otbe de tected and may no longer be in theve hicle.
The key is no lon ger in theve hicle and you switch o. theve hicle:
R You can no longer start theve hicle.
R You cannot centrally lock theve hicle. #
Ensu rethat theke y is in theve hicle.
If th eke y de tection function has a malfunction due toa st rong radio signal source: #
Stop theve hicle immediately in accordance with the tra1c conditions. #
Place theke y in the slot for starting the engine with theke y (/ page 151).
Á Key being initialised Please
wait *T
hevehicle is processing in order to teach in the new key. #
Wait until processing is comple te. Display messages and
warning/indicator lamps
363
363

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
Place the key in the
marked space See Owner's
Manual *K
eydetection is malfunctioning. #
Change the location of theke y in theve hicle. #
Place theke y in the slot for starting the engine with theke y (/ page 151). Lights Lights
Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/conseq uences and
uences andM
MSolutions
Solutions
:
Left dipped beam (examp le) *T
he cor responding light source is defecti ve. #
Drive on carefull y. #
Consult a quali/ed specialist workshop immediatel y.
% LED light sources: the display message forth e cor responding light appears only when all the light-emitting diodes
in the light are faulty.
: Malfunction See Owner's
Manual *T
heexterior lighting is malfunctioning. #
Consult a quali/ed specialist workshop.
*V Vehicles wit ehicles wit h a tr
h a trailer hitc
ailer hitc h:
h:a fuse may ha veblown. #
Stop theve hicle in accordance with the tra1c conditions. #
Check the fuses and replace them if necessary (/ page 328).364
364
Display messages and
warning/indicator lamps

Climat
Climat
e contr
e contr ol
ol Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/conseq uences and
uences andM
MSolutions
Solutions
&
inoperative High-voltage
battery charging incom-
plete *T
he high- voltage battery is charging. Pre-ent ryclimate cont rol cannot be switched on. #
Wait until thech arging process has achie ved a minimum charge.
&
inoperative Charge HV bat-
tery *T
hecharge ofthe high-voltage battery is too lo w.Pre-entry clima tecont rol cannot be switched on. #
Char gethe high-voltage batter y.
& Pre-entry climate control
(via key) available again
after engine start *Y
ou ha veattem pted toswitch on pre-ent ryclimate cont rol more than thre e times with theve hicle switched o.. #
Start theve hicle forte n seconds.
Pre-entry clima tecont rol is operational again. 366 366
Display message
s andwarning/indicator lamps

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
&
Pre-entry climate control
(via key) inoperative HV-
battery low *T
hecharge ofthe high-voltage battery is too lo w.Pre-entry clima tecont rol cannot be switched on. #
Char gethe high-voltage batter y.
When the high-voltage battery is su1ciently charge d, pre-ent ryclimate cont rol will be operational again. Dr Dr
iv
ive syst
e syst em
em Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/conseq uences and
uences andM
MSolutions
Solutions
d
Performance severely limi-
ted *A
malfunction has occur red in the high-voltage batter y.
Output and range are se verely re stricted. #
Switch theve hicle o. and lock it. #
ATer waiting for a short time, unlock theve hicle and start it again.
If th e display message appears again: #
Drive on carefull y. #
Fully charge the high-voltage battery (/ page 163).
If th e output and range are still reduced, there is a malfunction in the drive system. Display messages and
warning/indicator lamps
367 367

Bicy
Bicy
cle r
cle r ack
ack
Load capacit y........................................ 357
Tr ailer operatio n..................................... 241
Blind Spo
Blind Spo t Assist
t Assist
Ac tivating/deactivating.......................... 219
Fu nction................................................ 216
System limi tations.................................. 216
Blow
Blow er
er
see Clima tecont rol
Bonnet
Bonnet
Function (active bonnet)......................... 299
Opening/closing.................................... 300
Re setting (active bonn et)........................ 299
Boo
Boo t lid
t lid
see Tailgate
Br
Br ak
ak e Assis
e Assist Syst t System
em
see BAS (Brake Assist System)
Br
Br ak
ak e
e0uid
0uid
No tes..................................................... 352
Br
Br ak
ak e f
e f or
orce disce distr tribution
ibution
EBD (Elect ronic Brake forc e Distribu-
tion).......................................................1 92Br
Br
ak
ak es
es
ABS (Anti-lock Braking System).............. 190
Ac tive Brake Assist................................. 208
Ad aptive brake lights.............................. 194
BAS (Brake Assist System).................... .190
Driving tips............................................ 152
EBD (Electronic Brake forc e Distribu-
tion).......................................................1 92
HOLD function....................................... 193
Limited braking e.ect (salt-treated
ro ads)................................................... .152
Ne w/replaced brake linings/brake
discs...................................................... 152
Po st-collision brak e.................................. 58
Ru nning-in no tes.................................... 152
Br
Br ak ak es
es
see Recuperation
Br Br aking assist aking assist ance
ance
see BAS (Brake Assist System)
Br
Br eakdo
eakdo wn
wn
Assistance overview. ................................ 18
To w- starting........................................... 328
To wing away.......................................... 324
Tr anspo rting theve hicle........................ .326
Wheel chang e........................................ 340 Br
Br ea kdo
eakdo wn
wn
see Flat tyre
Butt
Butt ons
ons
St eering wheel....................................... 246 C
C
Calls
Calls
Mercedes me......................................... 276
Camera Camera Information............................................ 188
Camera Camera see 360° Camera
see Dashcam
see Reversing camera
Car key
Car key
see Key
Car w Car w ash
ash
see Care
Car w
Car w ash (car
ash (car e)
e)............................................ 303
Car
Car -t
-to-X
o-X -Communication
-Communication
Displaying hazard warnings.................... 269
Care
Care 360° camera......................................... 307 424
424
Index

Displa
Displa
y in t
y in the windscr
he windscr een
een
see Head-up display
Displa
Displa y message
y message
Calling up (on-board computer).............. 358
No tes..................................................... 358
Displa Displa y messag
y messag es
es
ç - - - km/h.................................... .389
È - - - km/h..................................... 389
h - - - km/h..................................... 388
# 12 V battery See Owner's Man-
ual......................................................... 374
ò Acoustic presence indicator
inoperative............................................ .368
é ATTENTION ASSIST inoperati ve..... 387
é ATTENTION ASSIS T:Take a
break!.................................................... 388
: Automatic driving lights inoper-
ative...................................................... 365
Û Battery overheated Stop, every-
body out! Outdoors if possible ................ 373
Á Change key batteries .................... 362 è
Charger cable connected .............. 370
J Check brake 0uid le vel.................. 386
ï Check trailer hitch lock (white
display message) .................................... 376
h Check tyre(s) ................................ 405
ÿ Coolant Stop vehicle Switch
engine o............................................... 369
! currently una vailable See Own-
er's Manual............................................3 99
÷ currently una vailable See Own-
er's Manual............................................4 00
ä Fault Drive at max. 80 km/h ......... 398
6 Front leT malfunction Consult
wo rkshop (e xample)...............................3 59
& inoperative Char geHV battery...... 366
& inoperati veHigh-voltage battery
ch arging inco mplete ............................... 366
! inoperative See Owner's Manual... 400
÷ inoperative See Owner's Manual... 401
T inoperative See Owner's Manual... 402 G
Inoperative................................... 403
Á Key being initialised Please wait.... 363
Á Key not de tected (red display
message).............................................. .363
Á Key not de tected (white display
message).............................................. .363
: LeT dipped beam (e xample).......... 364
6 LeT windowbag malfunction
Consult workshop (e xample).................. 360
: Malfunction See Owner's Man-
ual.........................................................3 64
d Malfunction Visit workshop ........... 375
Û Malfunction Visit workshop ........... 373
d Malfunction.................................. 374
Û Malfunction.................................. 373
ð Maximum speed exceeded ............ 391
ç O................................................. 390
ë O................................................. 387
! Parking brake See Owner's
Manual..................................................3 83428 428
Index

d
Performance se verely limited........ 367
& Pre-entry climate control (via
ke y) available again aTer engine start..... 366
& Pre-ent ryclimate cont rol (via
ke y) inoperati veHV-battery low .............. 367
h Rectify tyre pressure ..................... 406
! Release parking brake ...................386
Á Replace key.................................. 362
ô Reser veleve l Char gehigh- volt-
age battery............................................ 374
6 Restraint sys. malfunction Con-
sult workshop ....................................... .359
Ù Steering malfunction Increased
ph ysical e.ort See Owner's Manual....... 378
Ù Steering malfunction Stop
immediately See Owner's Manual ........... 379
Û Stop immediately Drive will be
deactivated Char gehigh- volt. battery ..... 372
d Stop Switch engine o................... 375
ç suspended .................................... 389 :
Switch o. lights............................ 365
: Switch on headlamps .................... 365
á temp orarily una vailable Camera
view restric ted....................................... 397
¸ temp orarily una vailable Sensors
dirty....................................................... 396
+ Top up coolant See Owner ’s
Manual.................................................. 369
¥ Top up washer 0uid...................... .380
v Towing not permitted See Own-
er's Manual ............................................ 368
! Turn on the ignition torelease
th e parking brake ................................... 386
d Vehicle is operational Switch o.
ignition before exiting............................. 376
h Warning tyre defect....................... 406
h Wheel sensor(s) missing ................ 405
AC charging inoperative Consult work-
shop ...................................................... 371 Ac
tive Blind Spot Assist cur rently
una vailable See Owner's Manual ............ 394
Ac tive Blind Spot Assist inoperative........ 394
Ac tive Blind Spot Assist not available
when towing a trailer See Owner's
Manual................................................. .395
Ac tive bonnet malfunction See Own-
er's Manual............................................ 379
Ac tive Brake Assist Functions cur-
re ntly limi ted See Owner's Manual .........402
Ac tive Brake Assist Functions limited
See Owner's Manual.............................. 403
Ac tive Distance Assist available again ..... 391
Ac tive Distance Assist cur rently
una vailable See Owner's Manual ............ 390
Ac tive Distance Assist inoperative.......... 390
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual ............ 395
Ac tive Lane Keeping Assist inoperative... 395 Index
429 429

Pa
rking Assist and PARKTRONIC inop-
erative See Owner's Manual................... 398
Place theke y in the mar ked space
See Owner's Manual.............................. 364
Please wait. Battery has not yet
re ached operating temp erature.
Engine cannot start................................ 372
PRE-SAFE inoperative See Owner's
Manual..................................................3 62
Re duce speed........................................ 408
Re duced drive system per form ance
See Owner's Manual.............................. 371
Re versing not poss. Consult workshop ... 382
Risk of vehicle rolling Driver door
open and transmission not in P .............. 382
Speed limit (winter tyres) XXX km/h .......391
Speed Limit Assist cur rently una vaila-
ble See Owner's Manual........................ 391
Speed Limit Assist inoperative................ 391 To
shiT out of P or N,depress brake
and start engine.................................... .381
To switch o. the engine, press the
St art/ Stop button for at least 3 sec-
onds or 3 times...................................... 368
Tr a1c Sign Assist cur rently una vaila-
ble See Owner's Manual........................ 393
Tr a1c Sign Assist inoperative................. 393
Tr ansmission Malfunction Stop............... 382
Ty re press. monitor cur rently una vaila-
ble......................................................... 404
Ty re press. monitor inoperative .............. 405
Ty re press. monitor inoperative No
wheel sensors ........................................ 405
Ty re(s) ove rheated .................................. 407
Ve hicle not cur rently being charged
Charging station fault............................. 370
Wi per malfunctioning .............................380
Wi thout changing gear, consult work-
shop ...................................................... 382 Wi
thout starting engine again, consult
wo rkshop ............................................... 374
Dist
Dist ance contr ance contr ol
ol
see Active Distance Assist DISTRONIC
DIS
DIS TR
TR ONIC
ONIC
see Active Distance Assist DISTRONIC
Door
Door Additional door loc k................................. 82
Child saf ety lock (rear door )..................... 76
Locking/unlocking (emer gency key)........ .86
Opening (from inside).............................. .83
Unlo cking (from inside)............................ 83
Door contr
Door contr ol panel
ol panel......................................... 16
Dra
Dra wbar
wbar
see Tow- bar system
Dr
Dr iv
ive Awa
e Away Assi st
y Assi st........................................ .236
Dr
Dr iv
ive position
e position
Engaging................................................ 163
Dr
Dr iv
ive pr
e pr ogr
ogram display
am display .................................. 160
Dr
Dr iv
ive pr
e pr ogr
ograms
ams
see DYNAMIC SELECT Index
431
431

Easy e
Easy e
xit f
xit feature
eature
Fu nction/no tes...................................... 111
Setting................................................... 112
EBD (Electr
EBD (Electr onic Br
onic Brak
ake f
e f or
orce Dis
ce Dis tr
tribution)
ibution)
Fu nction/no tes...................................... 192
EC
EC O Assist
O Assist
Fu nction................................................ 156
EC
EC O display
O display
Fu nction................................................ 154
Electr
Electr ic mode
ic mode
No tes..................................................... 148
Electr
Electr ic par
ic parking br
king br ake
ake
Appl ying automatical ly........................... 185
Applying/releasing manually.................. 187
Emer gency braking................................ 187
Re leasing automaticall y.......................... 186
Electr
Electr ical fuses ical fuses
see Fuses
Electr
Electr omagne
omagne tic com
tic compatibility
patibility
Declaration of conformity........................ .28
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................................. 18
Fire extinguisher.................................... 312
Fi rs t-aid kit (soT sided).......................... 312
Re moving thewa rning triangle............... 311
Saf etyve st............................................. 311
Setting up thewa rning triangle............... 312
Emerg
Emerg ency br
ency br aking
aking...................................... 187
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.................................. 81
Locking/unlocking the doors................... 86
Unlocking theta ilgat e.............................. 92
Emerg
Emerg ency oper
ency oper ation mode
ation mode
St arting theve hicle............................... .151
Emerg
Emerg ency
encyshut
shuto.
o.
see High-voltage on-board electrical system
Emerg
Emerg ency spar
ency spar e wheel
e wheel
No tes..................................................... 345
Emerg
Emerg encyst
enc yst ar
ar t (dr
t (dr iv
ive sy
e sy st
stem)
em) .................... 328 Ener
Ener
gy
gy0ow
0ow display
display
Displayin g.............................................. 263
Fu nction/no tes...................................... 263
Engine
Engine
Engine number....................................... 349
Engine data
Engine data Displ aying.............................................. 161
Engine electr
Engine electr onics
onics
No tes..................................................... 347
Engine number
Engine number ............................................. 349
ERA
ERA -GL
-GLON
ONASS t ASS t es
est modet mode
St arting/ending.................................... .290
Err
Err or message
or message
see Display message
ESC (Electr
ESC (Electr onicSt
onic Stability Contr
ability Contr ol)
ol)
see ESP ®
(Elect ronic Stability Prog ram)
ESP
ESP ®
®
Crosswind Assis t.................................... 191
Tr ailer stabilisatio n................................. 192
ESP
ESP ®
®
(Electr
(Electronic St
onic Stability Pr
ability Pr ogr
ogram)
am)
Ac tivating/deactivating.......................... 192
Fu nction/no tes...................................... 190 Index
433
433

Care...................................................... 308
Fu nction................................................ 248
Menu (on-boa rdcomputer)..................... 248
Operating the memory function.............. 113
Setting the position (on-board com-
puter).................................................... 248
Switching on/o.....................................2 49
Headlam Headlam p
p0ashing
0ashing ........................................ 131
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.......................... 131
High-pr
High-pr essur
essure cleaner (car
e cleaner (car e)
e)........................ 305
High-v
High-v olt
oltag
age batt
e batt ery
ery
Cha rge le vel displa y............................... 180
Charg ing at time of departure................ 180
Charging cable control panel.................. 169
Charging duration.................................. 354
Con/guring weekly pro/le...................... 180
Connection types................................... 354 Disconnect device................................. 148
Ending
thech arging process (alternat-
ing cur rent, mode 2/3).......................... 175
Ending thech arging process (direct
cur rent, mode 4).................................... 179
Energy 0ow displa y................................. 263
Fu nction/no tes...................................... 320
Gene ral no tes on chargin g.................... .163
Indicator lamps on vehicle soc ket........... 171
No tes on charging (charging station,
mode 3)................................................ .167
No tes on charging (fast charging sta-
tion, mode 2)......................................... 168
No tes on charging (mains soc ket,
mode 2)................................................. 166
No tes on charging (wallbox, mode 3)...... 167
Ra nge.................................................... 354
Setting the maximum possible charg-
ing cur rent (mains soc ket)...................... 169
St arting thech arging process (alter-
nating cur rent, mode 2/3)..................... 172
St arting thech arging process (direct
cur rent, mode 4).................................... 176
St ow ing thech arging cable.................... 163
Ty pe....................................................... 354
Vo ltage types......................................... 354 High-v
High-v olt oltag
age on-boar
e on-boar d electr
d electrical syst
ical syst em
em
Charging cable control panel.................. 169
Disconnect device................................. 148
Indicator lamps on vehicle soc ket........... 171
Manual disconnectio n............................ 148
Hill St
Hill Star art Assist
t Assist............................................ 194
HOLD function
HOLD function
Function/no tes...................................... 193
Switching on/o..................................... 193
Home scr
Home scr een (media displa
een (media displa y)
y)
Overview................................................ 251 I
I
i-Size c
i-Size c hild seat secur
hild seat secur ing syst
ing system
em
Fi tting...................................................... 67
Seats suitable for attaching...................... 67
Identi/cation
Identi/cation plate
plate
Engine................................................... 349
Ve hicle.................................................. 349
Ignition key
Ignition key
see Key
Immediat Immediat e pr
e pre-entr
e-entr y climat
y climat e contr
e control
ol............ .146
Immobiliser
Immobiliser .................................................... 99 Index
435
435