2019 MERCEDES-BENZ EQC SUV battery

#
Drive tothe nearest qualified specialist work‐
shop and ha vethe tyre, tyre sealant bottle
and filling hose replaced there. Batte
ry(vehicle) Note
s onthe12 V battery &
WARNING Risk of an accident due to
wo rkcar ried out incor rectly on the bat‐
te ry
Wo rkcar ried out incor rectly on the battery
can, forex ample, lead toa short circuit. This
can lead tofunction restrictions in saf ety-re l‐
eva nt sy stems, e.g. the lighting sy stem, ABS
(anti-lock braking sy stem) or ESP ®
(Elec‐
tronic Stability Prog ram). The operating
saf ety of your vehicle may be restricted.
Yo u could lose cont rol of theve hicle in the
fo llowing situations:
R when braking
R intheeve nt of ab rupt steering manoeu‐
vres and/or when theve hicle's speed is
not adap tedto thero ad conditions #
Intheeve nt of a sho rtcircuit or a simi‐
lar incident, contact a qualified special‐
ist workshop immediately. #
Do not continue driving. #
Alw ays ha vewo rkon the battery car ried
out at a qualified specialist workshop. R
Further information on ABS (/ page198)
R Further information on ESP ®
(/ page 198)
Fo r saf etyre asons, Mercedes-Benz recommends
th at you on lyuse bat teries which ha vebeen tes‐
te d and appr ovedfo ryo ur vehicle byMercedes-
Benz. These batteries pr ovide inc reased impact
pr otection topreve ntvehicle occupants from
suf fering acid bu rns should the battery be dam‐
aged in theeve nt of an accident. &
WARNING Risk ofexplosion due toelec‐
tros tatic charge
Electros tatic charge can cause spa rks which
may ignite the highly flammable gas mixture
in the batter y. #
Todischar geany electros tatic charge
th at may ha vebuilt up, touch the me tal ve
hicle body before handling the bat‐
te ry. The highly
flammable gas mixture is created
while the battery is charging and during starting
assis tance. &
WARNING Danger of chemical burns
from the battery acid
Battery acid is caustic. #
Avoid contact with the skin, eyes or
clo thing. #
Do not lean overth e batter y. #
Do not inhale battery gases. #
Keep children away from the batter y. #
Immedia tely rinse battery acid off thor‐
oughly with plenty of clean water and
seek medical attention immediately. 480
Breakdown assi stance

+
ENVIRONMENTAL
NOTEEnvironmental
dama gedue toimproper disposal of bat‐
te ries Batteries conta
in pollutants. It is
illegal todispose of them with the household
ru bbish. #
Dispose of batteries in an
environmen tally responsible manner.
Ta ke dischar ged batteries toaqu alified
specialist workshop or toa collection
point for used batteries. If
yo u ha vetodisconnect the12 V batter y,con‐
ta ct a qualified specialist workshop.
Comply with saf ety no tes and take protective
measures when handling batteries. Risk of
explosion. Fire, naked
flames and smoking are
prohibi ted when handling the batter y.
Av oid creating spar ks. Electrolyte
or battery acid is cor ro‐
sive. Avoid contact with the skin, eyes
or clo thing. Wear suitable pr otective
clo thing, in particular glove s, an
apron and a face mas k.Immedia tely
ri nse electrolyte or acid splashes off
with clean water.Consult a doc tor if
necessar y. We
ar saf etygl asses. Ke
ep children away. Obser
vethis Owner's Manual.
If yo u do not wanttouse theve hicle for a long
period of time, consult a qualified specialist
wo rkshop. Note
s onthe high-voltage bat tery &
DANG ER Risk of explosion from exces‐
sive internal pressure of the high-voltage
battery
In theev ent of a vehicle fire ,th e internal
pressure of the high-voltage battery could
exc eed a critical value. In this case, flamma‐
ble gas escapes thro ugh a bleed valve in the
ve hicle's underbody.
The gas can ignite. #
Stop thech arging process immediately
in case of unusual odours, smo keor
burn mar ks. Breakdown assis
tance 481

#
Lea vethe danger zone immediatel y.
Secu rethe danger zone at a suf ficient
di st ance. #
Call thefire service. In order
forth e high-voltage battery toachie ve
th e maximum possible service life, it should
alw ays be suf ficiently charge d. Ha vethe bat‐
te ry 's ch arge leve lch ecked if you park theve hi‐
cle for a long period of time. Exhaustive dis‐
ch arging caused bytheve hicle standing idle for
lengt hyperiods can damage the high-voltage
batter y.Ifth eve hicle is idle for lengt hyperiods,
ru n it for a few minutes once everyfour we eks to
ch arge up the high-voltage batter y. Risk of
explosion. Fire, naked
flames and smoking are
prohibi ted when handling the batter y.
Av oid creating spar ks. Electrolyte
or battery acid is cor ro‐
sive. Avoid contact with the skin, eyes
or clo thing. Wear suitable pr otective
clo thing, in particular glove s, an
apron and a face mas k.Immedia tely
ri nse electrolyte or acid splashes off
with clean water.Consult a doc tor if
necessar y. We
ar saf etygl asses. Ke
ep children away. Obser
vethis Owner's Manual.
Fu rther information on charging the high-voltage
battery (/ page175). St
arting assi stance and charging the12 V
battery #
Only ha vestarting assis tance pr ovided by a
qu alified specialist workshop, e.g. a
Mercedes-Benz Service Centre. #
Only ha vethe battery charge d at a qualified
specialist workshop, e.g. a Mercedes-Benz
Service Centre. Re
placing the 12V battery #
Only ha vethe battery replaced at a qualified
specialist workshop, e.g. at a Mercedes-Benz
Service Centre. To
w- starting or towing away Pe
rm itted towing me thods Mercedes-Benz
recommends transporting your
ve hicle in the case of a breakdown, rath er than
to wing it away.
Fo rto wing, use a tow rope or tow bar with bo th
axles on the ground. Do not use tow bar sys‐
te ms. 482
Breakdown assi stance

If
yo u notice that theve hicle has lost coolant, do
not ha veitto we daw ay. Ha vetheve hicle trans‐
por ted ins tead. *
NO
TEDama getotheve hicle due to tow‐
ing away incor rectly #
Obser vethe instructions and no tes on
to wing away. Pe
rm itted towing me thods Bo
th axles on thegr ound Fr
ont axle raised
Ye s, maximum 50 km at 50 km/h Yes, maximum 50 km at 50 km/h To
wing theve hicle with bo thaxles on the
gr ound #
Obser vethe no tes on the permitted towing
me thods (/ page 482). #
Make sure that the battery is connected and
ch arge d. Obser
vethefo llowing points when the battery is
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 %
Only transporting is permitted in thefo llow‐
ing situations:
R ifth e transmission cann otbe shif tedto
position i
R ifth e multifunction display in the instru‐
ment clus ter is not working
R ifth eá Towing not permitted See
Owner's Manual message is displa yed Breakdown assis
tance 483

Ro
of load EQC 400 4MATIC
Maximum
roof load 75kg Te
ch nical data of the high-voltage bat tery Missing
values werenot available at the time of
going topress.
High-voltage battery EQC 400 4MATIC
Ty
pe Lithium-ion
Battery energy con tent
(NEDC) 80 kWh
Ra nge
Charge time – mode 4
wi th appr ox.11 0 kW peak
ch arging capacity App
rox.
40 min
Charge time – mode 3
wi th 7.4 kW charging capacity App
rox. 11 h EQC 400 4MATIC
Char
getime – mode 2
wi th 3.7 kW charging capacity App
rox. 21 h
30 min
Charge time – mode 2
with 2.3 kW charging capacity App
rox. 40 h
45 min
Charge time – mode 2
wi th 1.8 kW charging capacity App
rox. 53 h
15 min The
charge times – modes 2 and 3 are forch arg‐
ing from 10%to 100% of the usable battery capa‐
city with alternating cur rent.
The charge time – mode 4 is forch arging from
10 %to 80% of the usable battery capacity with
direct cur rent.
The charging capacity de term ines thech arge
time, in addition tothe battery charge status and
th e ambient temp erature. The charging capacity
depends on the supply voltage, the cur rent
intensity and the type of po wer supp ly. Tr
ailer hitch Gene
ral no tes on the trailer hit ch Modifications
tothe engine cooling sy stem may
be necessar y,depending on theve hicle model.
The retrofitting of a trailer hitch is only pe rmissi‐
ble if a towing capacity is specified in your vehi‐
cle documents.
Fu rther information can be obtained at a quali‐
fi ed specialist workshop. Te
ch nical da ta517

Display messages
Possible causes/consequences and M
MSolutions #
Order a new digital vehicle keyst icke r from a Mercedes-Benz Service Centre or at http://www.mercedes-
benz.com/connect.
Á
Replace key *T
hekey needs tobe replaced. #
Consult a qualified specialist workshop.
Á Change key batteries *T
hekey bat tery is dischar ged. #
Replace the battery (/ page74).
Á Ke y not detected (white
display message) *T
hekey is cur rently und etected. #
Change the location of theke y in theve hicle. #
Ifth eke y is still not recognised, place it in the slot forst arting with theke y (/ page165). Displ
aymessa ges and warning/indicator lamps 549

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 when it is 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 dischar geand it will then be possible tostart theve hicle only with the aid of a second battery
(s ta rting assis tance).
ï Trailer coupling extending… *T
he ball neck will retract/ extend.
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.
ï
Check trailer hitch lock
(white display message) *T
he trailer hitch is not operational during a journey with a trailer. #
Stop theve hicle immediately in accordance with the traf fic conditions and switch off the drive sy stem. #
Uncouple the trailer and secure it against rolling away. #
Toinitiate a new swivel mo vement, press and hold the button on theta ilgate until the ball neck engages
beneath the bumper (/ page 256). #
When the display message disappears, couple up the trailer and drive on. Display messages and
warning/indicator lamps 551

Climate control
Displ
aymessages
Possible causes/consequences and M
MSolutions
& inoperative High-voltage
battery charging incom-
plete *T
he high-voltage battery is charging. Pre-ent ryclimate control cannot be switched on. #
Wait until thech arging process has achie ved a minimum charge.
& inoperative Charge HV bat-
tery *T
hecharge ofthe high-voltage battery is too lo w.Pre-ent ryclimate control cannot be switched on. #
Charge the high-voltage batter y.
& Pre-entry climate control
(via key) available again
after engine start *Y
ou ha veattem ptedto switch on pre-entry climate contro l morethan thre e times with the engine switched off. #
Let the drive sy stem runfo rte n seconds.
Pre-entry clima tecontrol is ope rational again. 556
Displaymessa ges and warning/indicator lamps