2021 MERCEDES-BENZ EQC SUV check engine

#
Have theve hicle checked and repaired
immediately at a qualified specialist
wo rkshop.
or #
If driving saf ety is impaired while con‐
tinuing your journe y,pull over and stop
th eve hicle immediatel y,while paying
attention toroad and traf fic conditions,
and contact a qualified specialist work‐
shop. Electric
vehicles ha vean electric mo tor.The
electric mo tor's energy supply is pr ovided bythe
high-voltage on-board electrical sy stem. &
DANG ER Risk of fata l injury bytouching
damaged high-voltage co mponents
The vehicle's high-voltage on-board electrical
sy stem is under high voltage. If you modify
co mp onent parts in theve hicle's high-volt‐
age on-board electrical sy stem or touch dam‐
aged co mponent parts, you may be electro‐
cuted. The co
mponent parts in theve hicle's high-
vo ltage on-board elect rical sy stem may be
damaged in an accident, although the dam‐
age is not visible. #
Never car ryout changes on the high-
vo ltage on-board elect rical sy stem. #
Neverto uch co mponent parts in the
high-voltage on-board electrical sy stem. #
After an accident, do not touch any
high-voltage co mponents. #
After an accident, ha vetheve hicle
transpor tedaw ay. #
Have the high-voltage on-board electri‐
cal sy stem checked at a qualified spe‐
cialist workshop. The components of
the high-voltage on-board
electrical sy stem are mar ked with yellow warn‐
ing sticke rs. The cables of the high-voltage on-
board electrical sy stem are orange. Ve
hicles with an electric mo torge nerate signi fi‐
cantly less vehicle noise emissions than vehicles
with combustion engines. As a result, your vehi‐
cle may not be heard by otherroad users in cer‐
ta in situations. This can occur, forex ample,
when you are parking and your vehicle cannot be
seen by otherroad users. This requiresyouto
adopt a particular lyanticipatory driving style, as
it is necessary toallow forth e possibility that
ot her road users may beha veunpredic tably. Gene
ral no tes 21

#
Check the coolant temp erature display in the
instrument clus ter.
The coolant temp erature must be below
40°C. #
Slowly turn cap 1anti-clockwise torelease
ove rpressure. #
Continue turning cap 1anti-clockwise and
re mo veit. #
Ifth e coolant le vel is below the mar ker bar
2, visit a qualified specialist workshop, e.g.
a Mercedes-Benz Service Centre. Only ha ve
th e coolant checked or refilled at a qualified
specialist workshop. To
pping up the windsc reen washer sy stem &
WARNING Risk of bu rns from hot com‐
ponents in the engine compartment
Cer tain components in the engine compart‐
ment may be very hot, e.g. drive sy stem and
cooler. #
Allow the drive sy stem tocool down
and touch on lythe components descri‐
bed belo w. &
WARNING Risk offire and injury from
windsc reen washer concentrate
Wi ndsc reen washer concentrate is highly
fl ammable. #
Avoid fire , naked flames, smoking and
th e creation of spar kswhen using wind‐
screen washer concentrate. #
Remo vecap 1bytheta b. #
Top up thewa sher fluid.
% Further information about the windscreen
wa sher fluid (/ page 350) Main
tenance and care 303

To
wing theve hicle with bo thaxles on the
gr ound #
Obser vethe no tes on the permitted towing
me thods (/ page 320). #
Make sure that the12 V battery is connected
and charge d.
Obser vethefo llowing points when the12 V bat‐
te ry is disconnected or dischar ged:
R the drive sy stem cann otbe star ted
R the electric parking brake cann otbe released
or applied
R the transmission cann otbe shif tedto posi‐
tion iorj
In thefo llowing situations, only transporting the
ve hicle is permitted:
R ifth e transmission cann otbe shif tedto i
R ifth e12 V battery is disconnected or dis‐
ch arged
R ifth e multifunction display in the instrument
clus ter is not working R
ifth eá Towing not permitted See Own-
er's Manual message is displa yed
R ifth e+ Top up coolant See Owner’s
Manual message is displa yed
R ifth ed Stop Switch engine off message
is displa yed #
In such cases, transport theve hicle
(/ page 322).
* NO
TEDama gedue to to wing away at
exc essively high speeds or over long dis‐
ta nces The driv
etra in could be damaged when tow‐
ing at excessively high speeds or over long
dis tances. #
Atowing speed of 50 km/h must not
be exc eeded. #
Atowing dis tance of 50 km mu stnot be
exc eeded. &
WARNING Risk of accident due to tow‐
ing away ave hicle that is too heavy
If th eve hicle being tow star ted or towed
aw ay is heavier than the permissible gross
we ight of your vehicle, thefo llowing situa‐
tions may arise:
R The towing eyemay become de tach ed.
R The vehicle/trailer combination may even
tip ove r. #
Before tow starting or towing away a
ve hicle, check that it does not exceed
th e permissible gross weight. If a
vehicle must be tow- star ted or towe daw ay,
its permissible gross mass must not exceed the
permissible gross mass of theto wing vehicle. #
Information on the permissible gross mass of
th eve hicle can be found on theve hicle iden‐
tification plate (/ page 346).
To wing away theve hicle #
Fittheto wing eye (/ page 323). #
Fasten theto wing device. Breakdown assis
tance 321

Display messages
Possible causes/consequences and M
MSolutions
+ Top up coolant See Own-
er’s Manual *T
he coolant le vel is too lo w.
* NO
TEDama getothe drive sy stem due toinsuf ficient coolant #
Avoid long journe yswith insuf ficient coolant. #
Have the cooling sy stem of the drive sy stem checked at a qualified specialist workshop.
ÿ
Coolant Stop vehicle
Switch engine off *T
he coolant is too hot. #
Stop theve hicle immediately in accordance with the traf fic conditions and switch off the drive sy stem. &
WARNING Risk of inju rydue todrive sy stem overheating
If yo u open the bonn etintheeve nt of an overheated drive sy stem or fire inthe engine compartment, thefo llow‐
ing situations may occur:
R You may come into contact with hot gases.
R You may come into contact with other escaping hot operating fluids. #
Intheeve nt of overheating or a fire inthe engine compartment, keep the bonn etclosed and call thefire
service. #
Allow theove rheated drive sy stem tocool down if the engine must be opened. #
Wait until the drive sy stem has cooled down. #
Make sure that the air supply totheve hicle radiator is not obstructed. Display messages and
warning/indicator lamps 367

Seats suitable
for i‑Size child
re stra int sy stems..................................... 57
Seats suitable for ISOFIX child
re stra int sy stems..................................... 56
Securing on the co-driver seat................65
Secu ring on there ar seat........................ 63
To pTe ther............................................... 60
Children Avoiding dangers in theve hicle............... 50
Basic instructions.................................... 49
Chock Storage location.................................... 336
Chock see Chock
City lighting................................................ 127
Cleaning see Care
Climate control Activating/deactivating the A/C
function (MBUX multimedia sy stem)..... 14 0
Ac tivating/deactivating the synchro‐
nisation function (MBUX multimedia
sy stem).................................................. 141
Air-reci rculation mode.......................... .141 Au
tomatic control.................................. 14 0
Calling up the air conditioning menu..... 14 0
Climate style function............................1 40
Demisting the windscreen..................... 13 9
Demi sting windo ws................................ 141
Fr ont air vents....................................... 14 6
Immedia tepre-entry climate control.....1 45
Inserting/removing theflacon (fra‐
gr ance sy stem)...................................... 14 2
Ionisation............................................... 141
No te...................................................... 13 9
Pre-ent ryclimate control at depar‐
ture time................................................ 14 4
Pre-ent ryclimate control using the
ke y........................................................ .143
Re ar air vents........................................ 14 6
Re ar operating unit................................ 13 9
Setting (MBUX multimedia sy stem)....... 14 0
Setting the air distribution..................... 13 9
Setting the air flow ................................. 13 9
Setting the climate style........................ 141
Setting the fragrance sy stem.................1 42
Setting thete mp eratur e........................ 13 9
Switching on/of f................................... 14 0
Switching there ar wind owheater
on/off...................................................1 39THERMATIC control pane
l...................... 13 9
THERMOTRONIC contro l panel..............139
Ve ntilating theve hicle (con venience
opening)................................................. .85
Climate style
Fu nction................................................ 14 0
Setting................................................... 141
Clo thes hook .............................................. 11 5
Cockpit Overview................................................... 6
Cof fee cup symbol
see ATTENTION ASSIST
Collision de tection (pa rked vehicle)
Information............................................ 186
Combination switch .................................. 124
Compu ter
see On-board computer
Con venience closing ................................... 85
Con venience opening ..................................85
Coolant (engine) Check le vel............................................ 302
No tes....................................................3 49422
Index

Display (on-boa
rdcompu ter)
Displ ays on the multifunction displa y.... 251
Displ aymessage
Calling up (on-board compu ter)............ .355
No tes....................................................3 55
Display messages ¯ - - - km/h ..................................... 386
ç - - - km/h ..................................... 387
È - - - km/h ..................................... 387
# 12V battery See Owner's Man‐
ual......................................................... 372
ò Acoustic presence indicator
inoperative............................................ 366
: Active Light Sy stem inoperative... 362
é ATTENTION ASSIST inoperative ....385
é ATTENTION ASSIS T:Take a
break!....................................................3 86
: Automatic driving lights inoper‐
ative....................................................... 361
Û Battery overheated Stop,
eve rybody out! Outdoors if possible ......370 Á
Changekey bat teries ...................3 59
è Charger cable connected............. 368
J Check brake fluid le vel................. 384
ï Check trailer hitch lo ck................ 375
h Check tyre(s) ................................ 401
ÿ Coolant Stop vehicle Switch
engine off..............................................3 67
! currently una vailable See Own‐
er's Manual .......................................... .395
÷ currently una vailable See Own‐
er's Manual .......................................... .396
ä Fault Drive at max. 80 km/h........ 394
6 Front left malfunction Consult
wo rkshop (e xample).............................. 356
& inoperative Charge HV battery..... 364
& inoperative High-vol tage bat‐
te ry charging incomple te....................... 364
! inoperati veSee Owner's Man‐
ual......................................................... 396 ÷
inoperati veSee Owner's Man‐
ual......................................................... 397
T inoperati veSee Owner's Man‐
ual......................................................... 398
G Inoperati ve................................... 400
: Intelligent Light Sy stem inoper‐
ative...................................................... 362
Á Key not de tected (red displ ay
messa ge)............................................... 360
Á Key not de tected (white displ ay
messa ge)............................................... 360
: Left dipped beam (e xamp le)........ .361
6 Left windowbag malfunction
Consult workshop (e xample)................ .357
: Malfunction See Owner's Man‐
ual......................................................... 361
d Malfunction Visit workshop.......... 372
Û Malfunction Visit workshop.......... 371
d Malfunction.................................. 372
Û Malfunction.................................. 371424
Index

Ac
tive Lane Keeping Assist inopera‐
tive........................................................ 393
Ac tive Steering Assist cur rently
una vailable due tomultiple emer‐
ge ncy stops...........................................3 89
Ac tive Steering Assist cur rently
una vailable See Owner's Manual ...........389
Ac tive Steering Assist inoperative ......... 389
Ad aptive Highbeam Assist Plus Cam‐
era view restricted See Owner's
Manual................................................. .363
Ad aptive Highbeam Assist Plus cur‐
re ntly una vailable See Owner's Man‐
ual......................................................... 363
Ad aptive Highbeam Assist Plus inop‐
erative.................................................. .363
Apply brake todeselect Park (P)
position................................................. 378
App lybrake toselect D or R..................3 79
Apply brake toselect R.......................... 379Beginning eme
rgency stop.................... 390
Blind Spot Assist cur rently una vaila‐
ble See Owner's Manual ........................ 391
Blind Spot Assist inope rative ................. 392
Blind Spot Assi stnot available when
to wing a trailer See Owner's Manual .....3 92
Cha rging fault Please change charg‐
ing me thod See Owner's Manual........... 369
Charging me thod cur rently una vaila‐
ble Please try again or change charg‐
ing me thod............................................ 369
Check brake pads See Owner's Man‐
ual......................................................... 385
Cruise contro l and Limiter inope rative.. 386
Cruise control inope rative..................... 386
Cruise control off.................................. 386
Fr ont-passenger airbag disabled See
Owner's Manual....................................3 57
Fr ont-passenger airbag enabled See
Owner's Manual....................................3 58Hazard
warning lamps malfunctioning.. .364
High-voltage battery maintenance
requ ired ur gently. No start in appr ox.
XXX km (red display message) ..............373
High-voltage battery maintenance
requ ired ur gently. No start in appr ox.
XXX km (yellow display message) .........373
High-voltage battery maintenance
requ ired ur gently. Without engine
re start, consult workshop ......................3 73
Limiter inoperative................................ 387
Limiter passive ...................................... 387
Mercedes me connect Services limi‐
te d See Owner's Manual....................... 400
N permanently active Risk of vehicle
ro lling .................................................... 379
Not possible tounlo ck ch arging
cable See Owner's Manual .................... 368
On lyselect Park (P) when vehicle is
st ationary.............................................. 378426
Index