engine coolant MERCEDES-BENZ EQA SUV 2021 Owners Manual

#
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

R
Tree resin, oils, fuels and greases: remo veby
ru bbing gently with a clo thsoaked in petro-
leum ether or lighter 0uid.
R Coolant and brake 0uid: remo vewith a damp
clo thand clean water.
R Tar stains: use tarre mo ver.
R Wax: use silicone remo ver.
R Do not attach sti ckers, /lms or similar materi-
als. Only ha ve/lm attached tothe bumper at
a qu ali/ed specialist workshop.
R Remo vedirt immediatel y,where possible.
Matt
Matt /nish
/nish
R Only use care products appr oved for
Mercedes-Benz.
R Do not attach stic kers, /lms or similar materi-
als. Only ha ve/lm attached tothe bumper at
a qu ali/ed specialist workshop.
R Do not polish theve hicle and light-alloy
wheels.
R Only use car washes that cor respond tothe
latest engineering standards. R
Do not use car wash prog rammes with a /nal
hot wax treatment.
R Do not use paint cleaners, bu1ng or polishing
products, gloss preser vers, e.g. wax.
In theev ent of paintwork damage:
R Always ha vepaintwork repairs car ried out at a
qu ali/ed specialist workshop.
R Make sure thera dar sensors function
(/ page 188). N
No
ot
tes on cleaning decor
es on cleaning decor ativ
ative f
e foils
oils Obser
vethe no tes on matt /nish care in thech ap-
te r "No tes on paintwork/matt /nish paintwork
care" (/ page 305). They also apply tomatt dec-
orative foils.
Obser vethe no tes on cleaning decorative foils to
av oid vehicle damage.
Cleaning
Cleaning
R For cleaning, use plenty of water and a mild
cleaning agent without additives or abrasive
substances, e.g. a car shampoo appr ovedfor
Mercedes-Benz. R
Remo vedirt immediatel y,where possible,
whilst avoiding rubbing too hard. There is oth-
erwise a risk of damaging the decorative foil
ir re parabl y.
R Ifth ere is dirt on the /nish or if the decorative
fo il is dull: Use thePa int Cleaner recommen-
ded and appr ovedfo r Mercedes-Benz.
R Insect remains: Soak with insect remo ver and
ri nse o. the treated areas aTer wards.
R Bird droppings: Soak with water and rinse o.
aTer wards.
R Topreve ntwa ter stains, dry a foil-wrapped
ve hicle with a soT, absorbent clo thaTer every
car wash.
A
A v
voiding damag
oiding damag e t
e to t
o t he decor
he decor ativ
ative f
e foil
oil
R The service life and colou ring of decorative
fo ils are impaired by:
- Sunlight
- Tempe rature, e.g. hot air blo wer
- Weather conditions
- Stone chippings and dirt
- Chemical cleaning agents 306
306
Maintenance and care

Fu
rther information on appr oved operating 0uids
is available at thefo llowing locations:
R inthe Mercedes-Benz Speci/cations for Oper-
ating Fluids byentering the designation
- at https://be vo.mercedes-benz.com
- inthe Mercedes-Benz BeVo App
R at a quali/ed specialist workshop N
No
ot
tes on br
es on br ak
ake
e0uid
0uid No
tethe inst ructions about operating 0uids
(/ page 351). &
W
WARNING
ARNING Risk of an accident due to
va pour poc kets form ing in the brake sys-
tem
The brake 0uid constantly absorbs moisture
from the air. This lo wersthe boiling point of
th e brake 0uid. If the boiling point is too lo w,
va pour poc kets may form inthe brake system
when the brakes are applied hard.
This impairs the braking e.ect. #
Have the brake 0uid rene we d at the
speci/ed inter vals. Ha
ve the brake 0uid regula rly re placed at a quali-
/ed specialist workshop.
Only use a brake 0uid appr ovedby Mercedes-
Benz according toMB-F reigabe or MB-Appr oval
331.0. Coolant
Coolant
N
No
ot
tes on coolant
es on coolant
Obser vethe no tes on operating 0uids
(/ page 351). &
W
WARNING
ARNING Risk of /re‑ and injury from
antif reeze
If antifreeze comes into contact with hot com-
ponent parts in the engine compartment, it
may ignite. #
Allow the drive system tocool down
before youto p up the antifreeze. #
Make sure that no antif reeze spills out
next tothe /ller opening. #
Thoroughly clean the antifreeze from
component parts before starting the
ve hicle. *
N
NOOTE
TE Damage caused byincor rect cool-
ant #
Only use coolant that has been premixed
with there qu ired antifreeze pr otection.
Information on coolant is available at thefo l-
lowing locations:
R Inthe Mercedes-Benz Speci/cation for
Operating Fluids 320.1
- Athttps://be vo.mercedes-benz.com
- Inthe Mercedes-Benz BeVo App
R Ataqu ali/ed specialist workshop *
N NOOTE
TE Overheating at high outside temp er-
atures If an inappropriate coolant is used,
the engine
cooling system is not su1ciently pr otected
against overheating and cor rosion at high out-
side temp eratures. 352
352
Te
ch nical data

#
Only use coolant appr ovedby Mercedes-
Benz. #
Obser vethe inst ructions in the
Mercedes-Benz Speci/cations for Oper-
ating Fluids 320.1. Ha
ve the coolant regula rly re placed at a quali/ed
specialist workshop.
Proportion of antif reeze concentrate in the engine
cooling system:
R A minimum of 50% (antifreeze pr otection down
to about -37°C)
R A maximum of 55% (antif reeze pr otection
down to-45°C) N
No ot
tes on windscr
es on windscr een w
een washer
asher 0uid
0uid Obser
vethe no tes on operating 0uids
(/ page 351). &
W
WARNING
ARNING Risk of /re and injury from
windscreen washer concent rate
Wi ndsc reen washer concent rate is highly 0am-
mable. If it comes into contact with hot com-
ponents, it may ignite. #
Make sure that windscreen washer con-
cent rate is not spilled near tothe /ller
opening. *
N NOOTE
TE Damage totheex terior lighting due
to unsuitable windscreen washer 0uid Unsuitable windscreen
washer 0uids may
damage the plastic sur face of theex terior
lighting. #
Only use windscreen washer 0uids which
are also suitable for use on plastic sur fa-
ces, e.g. MB SummerFit or MB WinterFit. *
N
NOOTE
TE Bloc ked spr aynozzles caused by
mixing windscreen washer 0uids #
Do not mix MB SummerFit and MB Win-
te rFit with other windscreen washer 0u-
ids. Do not use distilled or de-ionised
water. Other-
wise, the /ll le vel sensor may be triggered er rone-
ous ly.
Re commended windscreen washer 0uid:
R abo vefreezing point: e.g. MB SummerFit
R below freezing point: e.g. MB WinterFit
Fo rth e cor rect mixing ratio, referto the informa-
tion on the antifreeze container.
Mix washer 0uid with windscreen washer 0uid all
ye ar round. Te
ch nical data
353
353

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
+
Top up coolant See Own-
er’s Manual *T
he coolant le vel is too lo w.
* N
N O OTE
TE Damage tothe drive system due toinsu1cient coolant #
Avoid long journe yswith insu1cient coolant. #
Have the cooling system of the drive system checked at a quali/ed specialist workshop.
ÿ
Coolant Stop vehicle
Switch engine off *T
he coolant is too hot. #
Stop theve hicle immediately in accordance with the tra1c conditions and switch o. the drive system. &
W WARNING ARNING Risk of injury due tooverheated vehicle
If yo u open the bonnet in theev ent of an overheated vehicle or /re in the engine compartment, thefo llowing situa-
tions may occur:
R You may come into contact with hot gases.
R You may come into contact with other escaping hot operating 0uids. #
Intheev ent of overheating or /re in the engine compartment, keep the bonnet closed and call the /re
service. #
Allow theov erheated vehicle tocool down /r stifyo u need toopen the bonnet. #
Wait until the drive system has cooled down. #
Make sure that the air supply totheve hicle radiator is not obstructed. Display messages and
warning/indicator lamps
369
369

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

N
N
a
avig
vig ation
ation
see Destination entry
see Map
see Route
Na
Na vig vigation wit
ation wit h Electr
h Electric Int
ic Intellig
elligence
ence
see Route
N N eutr eutr al
al
Engaging................................................ 162
N
Noise oise
Wheels and tyres................................... 332
Wheels/tyres......................................... 332 O
O
Occupant safe
Occupant safe ty
ty
see Airbag
see Automatic co-driver airbag shuto.
see Automatic measures aTer an accident
see Child seat
see Pets in theve hicle
see Post-collision brake
see PRE-SAFE ®
(anticipa tory occu-
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus) see
Restraint system
see Seat belt
On-boar
On-boar d com d comput
puter
er
Displa yingthe service due dat e.............. 298
Head-up display menu............................ 248
Instrument displa y................................. 247
Menu overview.......................................2 46
Operating.............................................. 246
On-boar
On-boar d diagnos
d diagnostics int tics interf
erface
ace
see Diagnostics connection
On-boar
On-boar d electr
d electrical syst
ical syst em batt
em batter
ery (12 V)
y (12 V)
Charging................................................ 323
Re placing.............................................. .323
St arting assis tance............................... .323
On-boar
On-boar d electr
d electronics
onics
Engine electronics................................. 347
No tes..................................................... 347
Tw o-w ayradios...................................... 347
on-demand f on-demand f eature
eature
Ac tivating................................................. 25
No tes...................................................... .25
Online ser
Online ser vices
vices
Data storag e............................................ 42 Online ser
Online ser vices
vices
see In-Car O1ce
Open-sour
Open-sour ce
cesoTw
soTw are
are.................................... 43
Opening t
Opening t he t
he tailg
ailgat
ate using y
e using y our f
our foot
oot
HANDS-FREE ACCESS............................. 90
Oper
Oper ating
ating 0uids
0uids
Brake 0uid............................................. 352
Coolant (engine)....................................3 52
No tes..................................................... 351
windsc reen washer 0uid........................ .353
Oper
Oper ating safe
ating safe ty
ty
Declaration of conformity (electro-
magnetic compatibility)............................ 28
Declaration of conformity (jack)...............35
Declaration of conformity (TIREFIT kit)...... 35
Declaration of conformity (wireless
ve hicle components)................................ 28
Information.............................................. 26
Oper
Oper ating syst ating syst em
em
see On-board computer
Outside mirr
Outside mirr ors
ors
Anti-dazzle mode (automatic)................ .140
Au tomatic mir rorfo lding function........... 141
Fo lding in/out........................................ 139 440
440
Index