2021 MERCEDES-BENZ EQA SUV check engine light

In
these or similar operating conditions, ha vethe
interior air /lter changed more frequentl y.The
tyres must be checked more frequently if theve hi-
cle is operated under increased loads. Further
information can be obtained at a quali/ed special-
ist workshop.
The AS SYST PLUS service inter val display is only
an aid. The driver of theve hicle bears responsibil-
ity as rega rdsto whe ther maintenance work
needs tobe per form ed more oTen than speci/ed
based on the actual operating conditions and/or
loads. Batt
Batt
er
ery disconnection per
y disconnection per iods
iodsThe ASS
YST PLUS service inter val display can cal-
culate the service due date only when the battery
is connected. #
Display and no tedown the service due date
on the inst rument display before disconnect-
ing the battery (/ page 298). Engine com
Engine com
par
partment
tment A
A
ctiv
ctiv e bonne
e bonne t (pedes
t (pedestr trian pr ot
ian pr otection)
ection) Oper
Oper
ation of t
ation of t he activ
he active bonne
e bonne t (pedes
t (pedestr trian pr ot
ian pr otec-
ec-
tion)
tion)
In cer tain accident situations, the actuation of the
active bonnet reduces therisk of injury topedes-
trians. The rear area of the bonnet is raised by
appr oximately 70 mm.
Fo rth e drive tothewo rkshop, reset the actuated
active bonnet yourself (/ page 299).
ATer the active bonnet has been actuated, pedes-
trian pr otection may be limited.
Ha ve the full functionality of the active bonnet
re stored in a quali/ed specialist workshop.
R
R ese ese tting t
tting t he activ
he activ e bonnet
e bonnet &
W
WARNING
ARNING Risk of burns from hot compo-
nents in the engine compartment
Cer tain components in the engine compart-
ment can be very hot, e.g. the drive system
and the cooler. #
Allow the drive system tocool down and
to uch only the components described
belo w. #
With your hand 0at, push down active bonnet
1 inthe area around the hinges on bo th
sides (ar rows ).
In doing so, the actuator is depressurised and
yo u may hear a hissing sound.
The engine bonnet must engage in position. #
If active bonnet 1can be raised slightly at
th ere ar in the area of the hinges, repeat the
step until it engages co rrectl y. Maintenance and ca
re
299
299

#
Ifth e bonnet can still be liTed slightl y,open
th e bonnet again and close it with a little force
until it engages cor rectl y. Chec
Chec
king t
king t he coolant lev
he coolant lev el
el &
W
WARNING
ARNING Risk of scalding from hot cool-
ant
If yo u open the cap when the drive system is
at normal operating temp erature, you could be
scalded. #
Let theve hicle cool down before opening
th e cap. #
When opening the cap, wear pr otective
glo ves and saf ety glasses. #
Open the cap slo wlytorelease pressure. #
Only ha vethe coolant checked or re/lled at a
qu ali/ed specialist workshop. T
T
opping up t
opping up t he windscr
he windscreen w
een washer syst
asher syst em
em &
W
WARNING
ARNING Risk of burns from hot compo-
nents in the engine compartment
Cer tain components in the engine compart-
ment can be very hot, e.g. the drive system
and the cooler. #
Allow the drive system tocool down and
to uch only the components described
belo w. &
W
WARNI NG
ARNI NGRisk of /re and injury from
windscre enwasher concent rate
Wi ndsc reen washer concent rate is highly 0am-
mable. #
Avoid /re, naked 0ames, smoking and
th e creation of spar kswhen using wind-
screen washer concent rate. #
Remo vecap 1bytheta b. #
Top up thewa sher 0uid.
% Further information about the windscreen
wa sher 0uid (/ page 353)302
302
Main
tenance and ca re

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

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