ECU MERCEDES-BENZ EQC SUV 2022 Workshop Manual

%
For saf etyre asons, only use thech arging
cable supplied with theve hicle or an original
Mercedes-Benz charging cable. Mercedes-
Benz thoroughly tests these original charging
cables forth eir suitability for high-voltage
ch arging of your vehicle. Pur chase these parts
at a Mercedes-Benz Service Centre and
obtain advice there.
Se
Se tting t tting t he maximum c
he maximum c harg
harge lev
e lev el
el #
Select Maximum charge state. #
Set the desired percentage.
The high-voltage battery is charge d up tothe
set percentage as a maximum.
% The percentage can be set in increments of
10%.
A maximum charge leve l of 80% is recommen-
ded. Higher maximum charge leve ls can
diminish the long evity of the high-voltage bat-
te ry ( / page 167).
% As soon as the full charge leve l is reached, a
noti/cation is shown in the media display that
th ech arging process is comple ted and the
journey may be continued. P P
ar
ar king
king P
P
ar
ar king t
king t he v
he vehicle
ehicle &
W
WARNI NG
ARNI NGRisk of accident and injury
caused byan insu1ciently secured vehi-
cle rolling away
If th eve hicle is not securely par ked su1-
cient ly,it can rollawa y in an uncontrolled way
eve n at a slight downhill gradient. #
On uphill or downhill gradients, turn the
front wheels so that theve hicle rolls
to wa rdsth eke rb if it starts moving. #
apply the parking brake. #
Switch the transmission toposition j. &
W
WARNING
ARNING Risk of accident and inju rydue
to leaving children unattended in theve hi-
cle
If ch ildren are leT unattended in theve hicle,
th ey could, in particular:
R open doors, thereby endangering other
persons or road users.
R get out and be struck byoncoming tra1c.
R operate vehicle equipment and become
trapped, forex ample.
In addition, thech ildren could also set the
ve hicle in motion by,fo rex ample:
R releasing the parking brake.
R changing the transmission position.
R starting theve hicle. #
Never lea vechildren unattended in the
ve hicle. #
When leaving theve hicle, alw aysta ke the
ke y with you and lock theve hicle. #
Keep theve hicle key out of there ach of
ch ildren. Driving and parking
185
185

*
N
NO
OTE
TE Damage totheve hicle due toitro ll-
ing away #
Always secure theve hicle against rolling
awa y. *
N
NO
OTE
TE Damage caused byvehicle being
lo we red V
V
ehicles wit
ehicles wit h r
h rear axle lev
ear axle lev el contr
el control
olThe vehi-
cle can be lo wered due todi.erences in tem-
perature or extended non-operational times.
This can cause damage toparts of the body. #
When stopping theve hicle and when
driving o., make sure that there are no
obstacles such as kerbs under or in the
immediate vicinity of the body. %
Ifyo u park theve hicle for a long period,
obser vethefo llowing no tes:
R Make sure the high-voltage battery has a
su1cient state of charge , especially at
ve ry low outside temp eratures. In this way
yo u can avoid any problems when the
ve hicle is subsequently star ted. R
If possible, avoid parking spaces in direct
sunlight.
Obser vethe no tes on charging the high-volt-
age battery (/ page 167). #
Bring theve hicle toa standstill bypressing the
brake pedal. #
Ongradients, turn the front wheels so that the
ve hicle will rollto wa rdsth eke rb if it starts
moving. #
Apply the electric parking brake. #
Engage transmission position jin a station-
ary vehicle with the brake pedal depressed
(/ page 166). #
Switch o. theve hicle bypressing button 1. #
Release the service brake slo wly. #
Get out of theve hicle and lock it.
% When you park theve hicle, you can still oper-
ate the side windo wsand the sliding sunroof
fo r appr oximately four minutes if the driver's
door is closed. 186
186
Driving and parking

from transmission position
jtoh ork
when on le velgr ound.
R Ifth e transmission is in position k,theta il-
ga te must be closed.
R The seat belt tongue is inse rted into the seat
belt buckle of the driver's seat.
If th e seat belt tongue is not inse rted into the
seat belt buckle of the driver's seat, one of the
fo llowing conditions must be ful/lled:
- You shiT from transmission position j.
or
- You ha veprev iously driven at speeds
gr eater than 3 km/h.
When the electric parking brake is released, the
re d! indicator lamp in the inst rument cluster
goes out. Appl
Appl ying/r
ying/r eleasing t
eleasing t he electr
he electric par
ic parking br
king br ake
ake
manually
manually
Appl Appl ying
ying #
Push handle 1.
The red! indicator lamp lights up in the
inst rument cluster. %
The electric parking brake is only securely
applied if there d! indicator lamp is lit
continuousl y.
R R eleasing eleasing #
Switch on theve hicle. #
Pull handle 1.
The red! indicator lamp in the inst rument
cluster goes out.
Emerg
Emerg ency br
ency br aking
aking #
Press and hold handle 1.
As long as theve hicle is driving, theRelease
parking brake message is displa yed and the
re d! indicator lamp 0ashes.
When theve hicle has been braked toa stand-
still, the electric parking brake is applied. The
re d! indicator lamp lights up in the inst ru-
ment cluster. Inf
Inf
or
ormation on collision det
mation on collision det ection on a park
ection on a parked
ed
v
v ehicle
ehicle If a collision is de
tected when theto w- awa y pro-
te ction is primed on a loc kedve hicle, you will 190
190
Driving and parking

A
A
ctiv
ctiv ating/deactiv
ating/deactiv ating t
ating the HOLD function
he HOLD function &
W
W ARNING
ARNING Risk of an accident due tothe
HOLD function being active when you
lea vetheve hicle
If th eve hicle is only braked with the HOLD
function it could, in thefo llowing situations,
ro llawa y:
R Ifth ere is a malfunction in the system or in
th e po wer suppl y.
R Ifth e HOLD function is deactivated by
depressing the accelerator pedal or brake
pedal, e.g. byave hicle occupant. #
Always secure theve hicle against rolling
awa y before you lea veit. R
R
eq
eq uir
uir ements:
ements:
R The vehicle is stationar y.
R The driver's door is closed or the seat belt on
th e driver's side is fastened.
R The vehicle has been star ted.
R The electric parking brake is released. R
Active Distance Assist DISTRONIC is deactiva-
te d.
R The transmission is in position h,kori.
A
A ctiv
ctiv ating t
ating t he HOLD function
he HOLD function #
Depress the brake pedal, and aTer a short
time quickly depress fur ther until theë
display appears in the Instrument Displa y. #
Release the brake pedal.
Deactiv
Deactiv ating t
ating the HOLD function
he HOLD function #
Depress the accelerator pedal topull away.
or #
Depress the brake pedal until theë display
disappears from the Instrument Displa y.
The HOLD function is deactivated in thefo llowing
situations:
R Active Distance Assist DISTRONIC is acti va-
te d.
R The transmission is shiTed toposition j.
R The vehicle is secured with the electric par k-
ing brake. In
thefo llowing situations, theve hicle is held by
transmission position jand/or bythe electric
parking brake:
R The seat belt is unfastened and the driver's
door is opened.
R The vehicle is switched o..
R There is a system malfunction.
R The po wer supply is insu1cient. F F
unction of t
unction of t he int
he intellig
ellig ent cr aw
ent cr awler mode
ler mode The intelligent cr
awler mode assists you when
pulling away, manoeuvring and parking on uphill
or downhill inclines. When the brake pedal is
re leased, theve hicle rolls in the direction of the
engaged transmission position. The cr awler tor-
qu e is adap tedto the uphill incline.
In recuperation le velhà (/page 158) the
intelligent cr awler mode also assists you up to
speeds of appr oximately 20 km/h, byfollowing
th eve hicle in front at appr oximately the same
speed. Driving and parking
197
197

The intelli
gent cr awler mode is only an aid. The
driver is responsible for maintaining a su1cient
distance totheve hicle in front.
Syst
Syst em limits
em limits
The intelli gent cr awler mode does not automati-
cally stop theve hicle if theve hicle in front stops.
Bring theve hicle toa standstill using the brake
pedal. F
F
unction of Hill St
unction of Hill Star
art Assist
t Assist Hill
Start Assist holds theve hicle for a short time
when pulling away on a hill under thefo llowing
conditions:
R The transmission is in position hork.
R The electric parking brake is released.
This gives you enough time tomo veyour foot
from the brake pedal tothe accelerator pedal and
depress it before theve hicle begins torollawa y. &
W
WARNI NG
ARNI NGRisk of accident and injury due
to theve hicle rolling away
ATer a sho rttime, Hill Start Assist no lon ger
holds theve hicle. #
SwiTly mo veyour foot from the brake
pedal tothe accelerator pedal. Do not
lea vetheve hicle when it is being held by
Hill Start Assist. F
F
unction of A
unction of A dap
daptiv
tive Br
e Br ak
ak e Lights
e Lights Ad
aptive Brake Lights warnfollowing tra1c in an
emer gency braking situation with thefo llowing
actions:
R 0ashing the brake lamps
R activating the hazard warning lights
(/ page 129)
If th eve hicle is braked sharply from speeds abo ve
50 km/h, the brake lamps 0ash rapidl y.This pro-
vides tra1c tr avelling behind you with an even
more noticeable warning. A
A
TTENTION ASSIST
TTENTION ASSIST F
F
unction of A
unction of A TTENTION ASSIST
TTENTION ASSIST
AT TENTION ASSIST assists you on long, mono to-
nous journe ys, e.g. on mo torw ays and trunk
ro ads. If ATTENTION ASSIST de tects indicators of
fa tigue or increasing lapses in concentration on
th e part of the driver, it suggests taking a break.
AT TENTION ASSIST is only an aid. It cannot
alw ays de tect fatigue or lapses in concentration in
time. The system is not a substitute for a well-res-
te d and attentive driver. On long journe ys,ta ke
re gular breaks in good time that allow for ade-
qu ate recuperation.
Yo u can choose between two settings:
R St Standar andar d:
d:normal system sensitivity.
R Sensitiv
Sensitiv e:
e:higher system sensitivity. The driver
is wa rned earlier and the attention le vel de tec-
te dby ATTENTION ASSIST is ada pted accord-
ingl y.
If dr owsiness or increasing lapses in concent ra-
tion are de tected, theATTENTION ASSIST: Take
a break! warning appears in the Instrument Dis-
pla y.Yo u can ackno wledge the message and take 198
198
Driving and parking

#
Activate or deactivate the function.
If AT TENTION ASSIST de tects fatigue or
increasing lack of attention, it suggests a rest
area in the vicinity. #
Select the suggested rest area.
Yo u are guided tothe selected rest area. Cr
Cr
uise contr
uise control and limit ol and limit er
er F
F
unction of cr
unction of cr uise contr
uise controlol
Cruise control regula testh e speed totheva lue
selected bythe driver.
If yo u accelerate toove rtake, fore xamp le,the
stored speed is not dele ted. If youre mo veyour
fo ot from the accelerator pedal aTer overtaking,
cruise cont rol will resume speed regulation back
to the stored speed.
Yo u can store any speed abo ve20 km/h up tothe
maximum design speed, up tothe speed recom-
mended byrange moni toring or up tothe set win-
te r tyre limit.
Obser vethe no tes on driving systems and your
re sponsibility; you may otherwise failto recognise
dangers (/ page 191). Display Display
s in t s in the Ins
he Ins tr
trument Display
ument Display
R h (gre y): cruise control is selected but not
yet activated.
R h (gre en): cruise control is active.
A stored speed appears along with theh dis-
pla y.
% The segments extending from the cur rent
stored speed tothe end of the scale, or tothe
set winter tyre limit, light up in the speedome-
te r.
Syst Syst em limits em limits
Cruise control may be unable tomaintain the
stored speed on uphill gradients. The stored
speed is resumed when thegr adient evens out.
Increase recuperation in good time on long and
steep downhill gradients. Take particular no teof
th is when driving a laden vehicle. By doing so, you
will make use of the electric mo tor's braking
e.ect tocharge the high-voltage batter y.This
re lie vesth e load on the brake system and pre-
ve nts the brakes from overheating and wearing
to oqu ickl y. Do not use cruise control in
thefo llowing situa-
tions:
R in tra1c situations which requ ire frequent
ch anges of speed, e.g. in heavy tra1c, on
winding roads
R on slippery roads. Accelerating can cause the
drive wheels tolose traction and theve hicle
could then skid.
R when visibility is poor
F
F unction of t
unction of t he limit
he limiter
er
The limiter restricts the speed of theve hicle. To
re duce the speed tothe set speed, the limiter
applies the brakes automaticall y.
Yo u can limit the speed as follo ws:
R V
V ar
ar iable:
iable: for a short-term speed restriction,
e.g. in built-up areas
R P
Per
er manent
manent :
:fo r a longer-term speed restric-
tion, e.g. in winter ty remode
Yo u can store any speed abo ve20 km/h up tothe
maximum design speed or up tothe set winter
tyre limit. You can also per form settings while the
ve hicle is stationary if theve hicle has been star-
te d. 200
200
Driving and parking

#
T
To oper
o oper at
ate A
e A ctiv
ctiv e Dist
e Dist ance Assis
ance Assist t
DIS
DIS TR
TRONIC:
ONIC: pressthero ck er switches on the
stee ring wheel cont rol unit up or down tothe
desired position.
Switc
Switc hing be
hing be tw
tw een A
een A ctiv
ctiv e Dist
e Dist ance Assis
ance Assist t
DIS
DIS TR
TRONIC and t
ONIC and t he limit
he limiter
er #
Press button I.
A A ctiv ctiv ating t
ating t he v
he var
ariable limit
iable limit er or A
er or Activ
ctive Dist
e Dist ance
ance
Assis
Assist DIS t DISTR
TRONIC
ONIC #
T
To activ
o activ at
ate wit
e wit hout a st
hout a st or
ored speed:
ed speed: press
ro ck er switch 1upM or down N, or
select Jwiththe leT rock er switch.
or #
T
To activ
o activ at
ate wit
e wit h a st
h a st or
or ed speed:
ed speed: selectJ
with the leT rock er switch. #
A
Activ
ctiv e Dist
e Dist ance Assis
ance Assist DIS t DISTR
TRONIC:
ONIC: remo ve
yo ur foot from the accelerator pedal.
The cur rent vehicle speed is stored and main-
ta ined (Active Distance Assist DISTRONIC) or
limited (variable limiter) bytheve hicle.
A
A dop
dop ting a det
ting a det ect
ected speed limit
ed speed limit #
Activate Active Distance Assist DISTRONIC. #
If a tra1c sign has been de tected and is dis-
pla yed in the inst rument cluster: select J
with the leT rock er switch.
The maximum permissible speed on the tra1c
sign is adop ted as the stored speed. The vehi-
cle adapts its speed tothat of theve hicle in
front, but only up tothe stored speed.
Pulling awa
Pulling away wit
y wit h A
h Activ
ctiv e Dist
e Dist ance Assis
ance Assis t
t
DIS
DIS TR
TRONIC
ONIC #
Activate Active Distance Assist DISTRONIC
and remo ve yo urfoot from the brake pedal. #
Select Jwiththe leT rock er switch.
or #
Depress the accelerator pedal brie0y and
/rml y.
The functions of Active Distance Assist
DISTRONIC continue tobe car ried out.
Deactiv
Deactiv ating A
ating Activ
ctive Dist
e Dist ance Assis
ance Assist DIS t DISTR
TRONIC
ONIC &
W
WARNING
ARNING Risk of an accident due to
Ac tive Distance Assist DISTRONIC being
acti vewhen you lea vethe driver's seat
If yo u lea vethe driver's seat while theve hicle
is being braked byActive Distance Assist
DISTRONIC onl y,theve hicle can rollaw ay. #
Always deacti vate Ac tive Distance Assist
DISTRONIC and secure theve hicle to
pr ev ent it from rolling away before you
lea vethe driver's seat. #
Select Owiththe leT rock er switch.
% Ifyo u brake, deactivate ESP ®
or if ESP ®
inter-
ve nes, Active Distance Assist DISTRONIC is
deactivated.
Incr
Incr easing/decr
easing/decr easing t
easing the st
he stor
ored speed
ed speed #
1 km/h: press roc ker switch 1upM or
down Ntothe pressure point, or press and
hold (increments of1 km/h).
or 206
206
Driving and parking

&
W
W ARNI NG
ARNI NGRisk of accident if Active Steer-
ing Assist unexpectedly stops functioning
If th e system limits of Active Steering Assist
are reached there is no guarantee that the
system will remain active or will keep theve hi-
cle in lane. #
Alwayske ep your hands on the steering
wheel and obser vethe tra1c carefull y. #
Always steer theve hicle paying attention
to tra1c conditions. &
W
W ARNI NG
ARNI NGRisk of accident if Active Steer-
ing Assist unexpectedly inter venes
The de tection of lane markings and objects
may malfunction and cause unexpected steer-
ing inter ventions. #
Steer according totra1c conditions. A A
ctiv
ctiv ating/deactiv
ating/deactiv ating A
ating Activ
ctiveSt
e St eer
eer ing Assist
ing Assist
R
R eq
eq uir
uir ements:
ements:
R ESP ®
is activated, but is not inter vening. R
Active Distance Assist DISTRONIC is acti va-
te d.
Multimedia system: 4 © 5
Settings 5
Quick access #
Select aAct. Steer. Asst . F
F
unction of A
unction of A ctiv
ctive Emerg
e Emerg encySt
ency Stop Assist
op Assist If
th e system de tects that the driver has not
steered theve hicle for a considerable period of
time or has remo vedth eir hands from the steering
wheel, display 1appears in the Instrument Dis-
pla y.Ifth e driver still does not steer theve hicle,
or gives no con/rmation tothe system, a warning to
ne sounds in addition tothe visual warning mes-
sage.
If th e driver still does not respond tothewa rning,
th eBeginning emergency stop message appears
in the Instrument Displa y.Ifth e driver still does
not respond, Active Distance Assist DISTRONIC
re duces the speed. The vehicle is decelerated in
stages toa standstill.
Depending on the countr y,at speeds below
60 km/h the hazard warning lights switch on
automaticall y.
When theve hicle is stationar y,thefo llowing
actions are car ried out:
R The vehicle is secured with the electric par k-
ing brake.
R Active Distance Assist DISTRONIC is ended.
R The vehicle is unloc ked.
R If possible, an emer gency call is placed tothe
Mercedes-Benz eme rgency call centre.
The driver can cancel the deceleration at any time
by per form ing one of thefo llowing actions:
R Steering Driving and parking
211 211

In
theev ent of increased rear axle load, the car/
trailer combination must not exceed a maximum
speed of 100 km/h forre asons conce rning the
operating permit. This also applies in countries in
which the permissible maximum speed for car/
trailer combinations is abo ve100 km/h. Ext
Ext
ending and re
ending and retr
tracting t
acting t he ball nec
he ball nec k full
k fully electr
y electr i-
i-
cal ly
cally &
W
WARNING
ARNING Risk of accident due tothe ball
neck not being engaged
If th e ball neck is not engaged, the trailer may
come loose. #
Make sure that the ball neck securely
engages and loc ksinto place. *
N NOOTE TE Damage tothe all-electric trailer
hitch due toadditional pressure The all-elect
ric trailer hitch could be mechani-
cally damaged byapplying additional pressure
when the ball neck is being extended or
re tracted. #
Do not make the ball neck extend/
re tract faster byapplying additional pres-
sure. *
N NOOTE
TE Increased risk of damage toprop-
erty due tofolded-out ball neck #
When the trailer is not coupled or the
bicycle rack is attached, fold in the ball
neck or, in the case of a fully electric
trailer hitch, retract the ball nec k. *
N
NO
OTE
TE Damage totheve hicle due toincor-
re ct use of the trailer hitch When a trailer hitch is used
toreco ver a vehi-
cle, theve hicle may be damaged in the proc-
ess. #
Use the trailer hitch only for pulling a
trailer or attaching appr oved car rier sys-
te ms (e.g. a bicycle rack ). R
R
eq
eq uir
uir ements:
ements:
R The vehicle is secured against rolling away.
R The swivel range is clear. R
The trailer cables or ada pter plugs ha vebeen
re mo ved.
Ext
Ext ending t
ending t he ball nec
he ball nec k full
k fully electr
y electr ically
ically #
Pull button 1.
Indicator lamp 2will 0ash and the message
Trailer coupling in motion will appear onthe
inst rument displa y.
The ball neck will extend fully electricall y.242
242
Driving and parking

#
Wait until the ball neck has loc ked in place.
When indicator lamp 2is continuously lit, the
ball neck is securely loc ked in place.
If th e ball neck is not securely loc ked in place,
indicator lamp 2will 0ash and the message
Check trailer hitch lock will appear onthe
inst rument displa y. R
R
e
e tr
tr acting t
acting t he ball nec
he ball nec k full
k fully electr
y electr ically
ically #
Pull button 1.
Indicator lamp 2will 0ash and the message
Trailer coupling in motion will appear onthe
inst rument displa y.
The ball neck will retract fully electricall y. #
Wait until the ball neck has loc ked in place.
When indicator lamp 2goes out, the ball
neck is securely loc ked in place.
If th e ball neck is not securely loc ked in place,
indicator lamp 2will 0ash and the message
Check trailer hitch lock will appear onthe
inst rument displa y.
Obser vethe information about the displa yson the
inst rument cluster:
R Indicator and warning lamps (/ page 412)
R Display message s (/page 360) Ext
Ext
ending and re
ending and retr
tracting t
acting t he ball nec
he ball nec k full
k fully electr
y electr i-
i-
call
call y (multimedia syst
y (multimedia syst em)
em) &
W
WARNING
ARNING Risk of accident due tothe ball
neck not being engaged
If th e ball neck is not engaged, the trailer may
come loose. #
Always engage the ball neck as descri-
bed. *
N
NOOTE
TE Damage tothe all-electric trailer
hitch due toadditional pressure The all-elect
ric trailer hitch could be mechani-
cally damaged byapplying additional pressure
when the ball neck is being extended or
re tracted. #
Do not make the ball neck extend/
re tract faster byapplying additional pres-
sure. R
R
eq
eq uir
uir ements:
ements:
R The vehicle is secured against rolling away.
R The swivel range is clear. Driving and parking
243
243