2021 MERCEDES-BENZ EQC SUV ECU

Display messages
Possible causes/consequences and M
MSolutions
Front-passenger airbag
enabled See Owner's Man-
ual *T
he front passenger airbag will be enabled while theve hicle is in motion in thefo llowing situations:
R even when a child, a small adult or an object weighing less than the sy stem weight thre shold is located on the
front passenger seat
R even when the front passenger seat is not occupied
The sy stem may de tect objects or forc es that are adding tothewe ight applied tothe seat. &
WARNING Risk of inju ryor death when using a child restra int sy stem while the front passenger airbag is
enabled
If yo u secure a child in a child restra int sy stem on the front passenger seat and the front passenger airbag is
enabled, the front passenger airbag can deploy in theev ent of an accident.
The child could be stru ck bythe airbag. #
Ensure, bo thbefore and during the journe y,that thest atus of the front passenger airbag is cor rect.
NEVER use a rear wa rdfacing child restra int on a seat pr otected byan ACTIVE AIRB AGin front of it, DE ATH or
SERIOUS INJU RYtotheCH ILD can occur. #
Stop theve hicle immediately in accordance with the traf fic conditions. #
Makesure that no objects are trapped under the front passenger seat. #
Check thest atus of automatic front passenger airbag actuation (/ page 45).#
If necessar y,consult a qualified specialist workshop immediatel y.358
Display messages and warning/indicator lamps

Ve
hicle Display messages
Possible causes/consequences and M
MSolutions
d Vehicle is operational
Switch off ignition before
exiting *Y
ou are leaving theve hicle in a ready-to-drive state. #
When you lea vetheve hicle, switch off the ignition, secure theve hicle against rolling away and take theke y with
yo u. #
Ifyo u do not lea vetheve hicle, switch off the electrical consumers, e.g. the seat heating. Otherwise, the12 ‑V
battery may discharge and starting the engine may be possible only with the help of a second battery (jump
st art).
ï
Operation only possible in
transmission position P *
The ball neck will not swivel because transmission position h,kor neut rali is selec ted. #
Depress the brake pedal. #
Enga gepark position j.
ï
Trailer coupling in motion *T
he ball neck is retracting/extending.
Do not attem pttospeed up, slow down or initiate the swivel mo vement using your hand, foot or other aids. During
th e swivel mo vement, do not couple a trailer.
When the ball neck has reached an operational position, the display message will disappear. 374
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
ï Check trailer hitch lock *T
he trailer hitch is not operational during a journey with a trailer. &
WARNING 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 traf fic conditions. Do not continue driving. #
Uncouple the trailer and secure it against rolling away. #
Initiate a new swivel mo vement and do not re-couple the trailer until thewa rning/indicator lamp goes out. #
Initiate a new swivel mo vement (/ page 239). #
When the display message disappears, couple up the trailer and drive on.
If th e display message does not disappear, the trailer hitch is malfunctioning and the ball neck is not loc ked. #
Do not couple up the trailer. Drive on without the trailer. No tethere duced ground clearance due tothe
unlo cked ball nec k. #
Consult a qualified specialist workshop.
*T he trailer hitch will not be operational when theve hicle is stationar y. #
Uncouple the coupled trailer and secure it against rolling away. #
Ifth e ball neck has been retracted: initiatea new swivel mo vement (/ page 239).
The ball neck will engage vertically in the loc ked position and then engage beneath the bumper. Display messages and
warning/indicator lamps 375

Brakes
Displ
aymessages
Possible causes/consequences and M
MSolutions
! Parking brake See Owner's
Manual *
The yellow ! indicator lamp is lit. The elect ric pa rking brake is malfunctioning.
To appl y: #
Switch the ignition off and switch it back on. #
Apply the electric parking brake manually (/ page186).
If it is not possible toapply the electric parking brake: #
Consult a qualified specialist workshop. #
Where necessar y,also secure the par kedve hicle against rolling away.
* The yellow ! indicator lamp and there d! indicator lamp are lit. The elect ric pa rking brake is malfunction‐
ing.
To release: #
Swit chthe ignition off and switch it back on. #
Release the electric parking brake manually (/ page186).
or #
Release the electric parking brake automatically (/ page186).
If it is still not possible torelease the electric parking brake: #
Do not continue driving. Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 381

Display messages
Possible causes/consequences and M
MSolutions
* The yellow ! indicator lamp is lit and there d! indicator lamp is flashing. The electric parking brake is mal‐
functioning.
The electric parking brake could not be applied or released. #
Swit chthe ignition off and switch it back on.
To appl y: #
Release and then apply the electric parking brake manually (/ page186).
To release: #
Apply and then release the electric parking brake manuall y.
If it is not possible toapply the electric parking brake or there d! indicator lamp continues toflash: #
Do not continue driving. Consult a qualified specialist workshop. #
Where necessar y,also secure the par kedve hicle against rolling away.
* The yellow ! indicator lamp is lit and there d! indicator lamp flashes for appro ximately ten seconds af ter
th e electric parking brake has been applied or released. It then remains lit or goes out. The electric parking brake is
malfunctioning.
If th est ate of charge istoo lo w: #
Char gethe12 V batter y.
To appl y: 382
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions #
Switch the ignition off.
The electric parking brake will be applied automaticall y.
If yo u do not wantthe electric parking brake tobe applied, e.g. at an automatic car wash or when theve hicle is
being towe d, lea vethe ignition switched on. This does not include having theve hicle towe d with there ar axle
ra ised.
If th e electric parking brake is not applied automatically: #
Switch the ignition off and switch it back on. #
Release and then apply the electric parking brake manually (/ page186).
If it is still not possible toapply the electric parking brake: #
Consult a qualified specialist workshop. #
Where necessar y,also secure the par kedve hicle against rolling away.
To release: #
Ifth e conditions for auto matic release are fulfilled and the electric parking brake is not released automaticall y,
re lease the electric parking brake manually (/ page186).
If it is still not possible torelease the electric parking brake: #
Do not continue driving. Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 383

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
ï Tr ailer tow hit chwarning
lamp *T
hered trailer hitch warning lamp is lit.
The trailer hitch is not operational or is swivelling. &
WARNING 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 traf fic conditions. Do not continue driving. #
Uncouple the trailer and secure it against rolling away. #
Initiate a new swivel mo vement and do not re-couple the trailer until thewa rning/indicator lamp goes out. #
Notethe messages on the multifunction displa y.
If th e trailer hitch is swivelling: #
Wait until the ball neck has reached the operational position. Display messages and
warning/indicator lamps 409

Carpe
t.................................................. .308
Decorative foil...................................... .306
Displ ay.................................................. 308
Exterior lighting..................................... 307
High-pressure cleaner........................... 305
Matt finis h............................................. 305
Pa int wo rk.............................................. 305
Plastic trim............................................ 308
Re alwo od/trim elements..................... 308
Re versing camera................................. .307
Ro of lining.............................................3 08
Seat belt............................................... .308
Seat co ver............................................. 308
Senso rs................................................. 307
St eering wheel...................................... 308
Tr ailer hit ch........................................... 307
Ve hicle soc ketfo rth e high-voltage
battery................................................... 307
Wa shing byhand................................... 305
Wheels/rims.........................................3 07
Wi ndo ws................................................ 307
Wi per blades.........................................3 07
Carpet (Care)............................................ .308
Charging Battery (vehicle).................................... 320 Cha
rge le vel displa y............................... 180
Charging cable cont rol panel................ .169
Cha rging station (mode 3)..................... 167
Ending thech arging process.......... 175, 178
Fa st ch arging station (mode 4).............. 16 8
Indicator lamps on vehicle soc ket.......... 17 0
Mains soc ket (mode 2).......................... 16 6
No tes on charging the high-voltage
battery................................................... 16 3
No tes on the high-voltage battery..........3 19
Setting the maximum possible charg‐
ing cur rent............................................. 16 8
St arting thech arging process (alter‐
nating cur rent)....................................... 172
St arting thech arging process (direct
cur rent).................................................. 176
Ve hicle soc ket....................................... 17 0
Wa llbox (mode 3).................................. .167
Cha rging cable control panel
Fu nction/no tes..................................... 16 9
Cha rging the bat tery
At time of depa rture.............................. 180
Char geleve l displa y............................... 180
Setting the maximum charging cur‐
re nt....................................................... .180 We
ek profile.......................................... 180
Cha rging the high-voltage bat tery
Charging station (mode 3)..................... 167
Fa st ch arging station (mode 4).............. 16 8
Mains soc ket (mode 2).......................... 16 6
St arting thech arging process (alter‐
nating cur rent)....................................... 172
St arting thech arging process (direct
cur rent).................................................. 176
Wa llbox (mode 3).................................. .167
Child saf ety lock
Re ar door................................................ .67
Re ar side wind ows................................... 68
Child seat Appr oval categories................................ .54
At tach ing (no tes).....................................54
Basic instructions.................................... 49
Fr ont passenger seat (no tes)...................65
Fr ont passenger seat (without auto‐
matic airbag shutoff)...............................64
ISOFIX/i-Size (fitting).............................. 58
No tes on risks and dangers..................... 50
Re commended child restra int sy stems.... 53
Seats suitable for belt-secu redch ild
re stra int sy stems..................................... 61 Index
421