engine MERCEDES-BENZ EQA SUV 2021 Owner's Guide

Displa
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ossible causes/consequences and uences andM
MSolutions
Solutions
*T he high- voltage battery is not charge d su1cient ly.
Drive system po wer output is reduced. The yellow reduced po wer output warning lamp _is lit. #
Drive on carefull y. #
Char gethe high-voltage battery immediatel y.
*I fth e drive system po wer output is still reduced, there is a fault in the drive system. #
Drive on carefull y. #
Consult a quali/ed specialist workshop.
Û
Stop immediately Drive will
be deactivated Charge
high-volt. battery *T
hecharge leve l of the high-voltage battery is so low that it is no lon ger possible todrive theve hicle. The drive system
can no lon ger be restar ted.
When the drive system is restar ted, the message Stop immediately Drive will be deactivated Charge high-volt. bat-
tery will appear again. #
Stop theve hicle immediately in accordance with the tra1c conditions. #
Char gethe high-voltage battery (/ page 163).
Please wait. Battery has
not yet reached operating
temperature. Engine can-
not start. *O
perational readiness is es tablished õandthe transmission position jis engaged.
The high-voltage battery is warmed up tothe operating temp erature. This process can take afew minutes and may be
prolonged if defrosting of the windscreen ¬is activated.
The heating process ends when transmission position his engaged. Ho wever, when driving, the output is signi/cantly
limited until the high-voltage battery has reached its operating temp erature. 372 372
Display messages and
warning/indicator lamps

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Without starting engine
again, consult workshop *I
t is not possible torestart the drive system due toa malfunction. #
Do not switch o. the drive system; drive on tothe nearest quali/ed specialist workshop.
ô Reserve level Charge high-
voltage battery *T
hecharge leve l of the high-voltage battery has dropped into there ser verange. #
Cha rgeth e high-voltage battery (/ page 163).
#
12 V battery See Owner's
Manual *T
he drive system is o. and thech arge leve l of the 12 V battery is too lo w. #
Switch o. elect rical consume rsthat are not requ ired. #
Drive theve hicle for 30–60 minutes.
or #
Char getheve hicle at a charging station (/ page 163).
If th e message appears while theve hicle is switched on, this indicates an on-board electrical system malfunction. #
Consult a quali/ed specialist workshop.
d
Malfunction *T
he drive system is malfunctioning. The output of your vehicle is restric ted. #
Consult a quali/ed specialist workshop. 374 374
Displ
aymessages and warning/indicator lamps

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d
Stop Switch engine off *T
he drive system is malfunctioning. #
Stop theve hicle immediately in accordance with the tra1c conditions and switch o. the drive system. Do not con-
tinue driving. #
Do not tow theve hicle, stop towing if necessar y. #
Consult a quali/ed specialist workshop.
d
Malfunction Visit workshop *T
he drive system is malfunctioning. #
Consult a quali/ed specialist workshop.
High-voltage battery main-
tenance required urgently.
No start in approx. XXX km
(yellow display message) *A
malfunction has occur red in the high-voltage batter y.
It will no lon ger be possible tostart the electric drive system aTer the distance displa yed has been co vered. #
Have the necessary maintenance workon the high-voltage battery car ried out at a quali/ed specialist workshop.
High-voltage battery main-
tenance required urgently.
No start in approx. XXX
km (red display message) *A
malfunction has occur red in the high-voltage batter y.
It will no lon ger be possible tostart the electric drive system aTer the distance displa yed has been co vered. #
Have the necessary maintenance workon the high-voltage battery car ried out immediately at a quali/ed specialist
wo rkshop. Displ
aymessages and warning/indicator lamps
375
375

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Displa
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ossible causes/consequences and uences andM
MSolutions
Solutions
High-voltage battery main-
tenance required urgently.
Without engine restart, con-
sult workshop *A
malfunction has occur red in the high-voltage batter y.
It will no lon ger be possible torestart the drive system once it has been switched o.. #
Do not switch o. the drive system; drive on tothe nearest quali/ed specialist workshop. V V
ehicle
ehicle Displa
Displa
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Solutions
d
Vehicle is operational
Switch off ignition before
exiting *Y
ou are leaving theve hicle in a ready-to-drive state. #
Get out of theve hicle, secure it against rolling away and take theke y with you. #
Ifyo u do not lea vetheve hicle, switch o. the electrical consumers, e.g. the seat heating. Otherwise, the 12‑V bat-
te ry may dischar geand starting the engine may be possible only with the help of a second battery (jump start).
ï
Check trailer hitch
lock (white display message) *T
he trailer hitch is not operational during a jou rney with a trailer. &
W WARNING
ARNING Risk of an accident if the ball neck is not loc ked
The trailer may become de tach ed. #
Stop theve hicle immediately in accordance with the tra1c conditions. Do not continue driving. 376
376
Display messages and
warning/indicator lamps

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Ù
Steering malfunction Stop
immediately See Owner's
Manual *T
he steering is malfunctioning. Steering capability is signi/cantly impaired. &
W WARNING
ARNING Risk of accident if steering capability is impaired
If th e steering 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 tra1c conditions. Do
not continue driving under any circums tances. #
Consult a quali/ed speciali stwo rkshop. Active bonnet malfunction
See Owner's Manual *T
he active bonn et(pedest rian pr otection) is malfunctioning or inoperative aTer having already been triggered. #
Consult a quali/ed specialist workshop.
C *A
t least one door is open. #
Close all doors.
? *T
he bonn etis open. &
W
WARNING
ARNING Risk of accident due todriving with the bonnet unloc ked
The bonnet may open and blo ckyour vie w. #
Neverre lease the bonnet when driving. #
Before every trip, ensure that the engine bonnet is loc ked. Display messages and
warning/indicator lamps
379
379

T
T
r
ransmission
ansmission Displa
Displa
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y messag es P
es Possible causes/conseq
ossible causes/conseq uences and
uences andM
MSolutions
Solutions
Only select Park (P) when
vehicle is stationary *I
t is possible toselect the park position jonly if theve hicle is stationar y. #
Depress the brake pedal tostop. #
ShiT the transmission topark position jwhen theve hicle is stationar y.
Apply brake to deselect
Park (P) position *Y
ou ha veattem pted toshiT the transmission out of park position jand into ano ther transmission position. #
Depress the brake pedal. #
Select transmission position h,kor neutral i.
To shift out of P or N,
depress brake and start
engine *Y
ou ha veattem pted toshiT the transmission out of park position jor neutral iand into ano ther transmission posi-
tion. #
Depress the brake pedal. #
Start theve hicle. #
Change the transmission position.
Apply brake to select D or R *You ha veattem pted toselect transmission position hork. #
Depress the brake pedal. #
Select transmission position hork.
Apply brake to select R *You ha veattem pted toselect transmission position k. #
Depress the brake pedal. Display messages and
warning/indicator lamps
381
381

Displa
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ossible causes/consequences and uences andM
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Solutions
Device detected at diagnos-
tics connection See Own-
er's Manual *T
hevehicle functions forfa ult de tection are restric ted.
At least one of the main functions of the Mercedes me connect system is malfunctioning. #
Obser vethe no tes on the diagnostics connection (/ page 36). #
Consult a quali/ed specialist workshop. Batt Batt
ery
ery Displa
Displa
y messag
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es Possible causes/conseq
ossible causes/conseq uences and
uences andM
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Solutions
Cannot start engine See
Owner's Manual *I
t is not possible tostart theve hicle.
A malfunction has occur red in the drive system. #
Switch theve hicle o. and lock it. #
ATer waiting for a short time, unlock theve hicle and start it again. #
Ifth e display message appears again and theve hicle does not start, consult a quali/ed specialist workshop. T T
yr
yr e pr
e pr essur
essur e monit
e monit or
or Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/conseq uences and
uences andM
MSolutions
Solutions
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
being received. The tyre pressure monitoring system is temp orarily una vailable. 404 404
Display message
s andwarning/indicator lamps

Securing on
there ar seat......................... 72
To pTe ther................................................ 69
Childr
Childr en
en
Av oiding dangers in theve hicle............... .60
Basic instructions.................................... 59
Chock
Chock Storage location..................................... 340
Chock
Chock see Chock
Cleaning
Cleaning see Care
Cleaning
Cleaning 0uid
0uid
see windscreen washer 0uid
Climat
Climat e contr
e contr ol
ol
Ac tivating/deactivating.......................... 143
Ac tivating/deactivating the A/C func-
tion (control panel).................................1 43
Ac tivating/deactivating the A/C func-
tion (MBUX multimedia system).............. 143
Ac tivating/deactivating the synchro-
nisation function (MBUX multimedia
system).................................................. 144
Air-recirculation mode (with /ne parti-
cle pre/lter)...........................................1 44Au
tomatic control................................. .143
Calling up the air conditioning menu....... 143
Demisting the windscreen...................... 142
Demisting windo ws................................ 144
Fr ont air vents........................................ 147
Immediate pre-entry clima tecont rol....... 146
No te...................................................... 142
Pre-entry climate control at depa rture
time....................................................... 145
Pre-entry climate control using theke y... 144
Re ar air vents......................................... 147
Setting (MBUX multimedia system)......... 143
Setting the air distribution...................... 142
Setting the air0ow.................................. 142
Setting thete mp erature......................... 142
Switching there ar wind owheater
on/o.................................................... 142
THERM ATIC cont rol panel...................... 142
THERMOTRONIC control panel............... 142
Ve ntilating theve hicle (con venience
opening).................................................. 94
Clot
Clot hes hook hes hook ................................................ 123
Co-dr Co-dr iv iver airbag
er airbag shut
shuto.
o.
see Automatic co-driver airbag shuto. Coc
Coc
kpit
kpit
Overview.................................................... 6
Co.ee
Co.ee cup symbol
cup symbol
see ATTENTION ASSIST
Collision det
Collision det ection (park
ection (parked v
ed vehicle)
ehicle)
Information............................................ 187
Combination switch
Combination switch .................................... .131
Com
Com ponent-speci/c
ponent-speci/c inf
infor
ormation
mation................... 349
Com
Com put
puter
er
see On-board computer
Conv
Conv enience closing
enience closing...................................... 94
Conv
Conv enience opening
enience opening..................................... 94
Coolant (engine)
Coolant (engine) Levelch eck............................................ 302
No tes..................................................... 352
Cooling
Cooling see Climate control
Cop
Cop yr
yright
ight....................................................... 43
Cr aw
Cr aw ler mode
ler mode
Fu nction/no tes...................................... 194
Cr
Cr oss
oss tr
tra1c
a1c (w
(war
arning)
ning)
see Manoeuv ring assistance 426
426
Ind
ex

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