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148 High-voltage system ›
Charging of high-voltage battery
What you should be mindful of
WARNING
Danger of life-threatening electric shock, fire hazard,
danger of damage to vehicle.
Follow the correct procedure for charging.
▶
Connect the charging cable to a power outlet that
▶
is protected from both moisture and liquids.
Only charge at correctly installed and undamaged
▶
sockets and at a faultless electrical installation.
Have the sockets and electrical installations
checked at regular intervals.
Never charge in potentially explosive areas. Com-
▶
ponents of the charging cable can cause sparks
and thus ignite explosive vapours.
Protect the charging plugs from moisture and liq-
▶
uids.
Do not carry out work on the vehicle while charg-
▶
ing.
Always remove the charging cable before starting
▶
up the vehicle. Fit the protective cap and close the
battery charging flap.
Never charge several vehicles at the same time at
▶
the mains sockets of a fuse circuit.
Observe the maximum charge capacity of the fuse
▶
circuit used. If the charging cable is plugged into a
socket of the same circuit together with other
consumers, the circuit may be overloaded and the
charging process may be interrupted.
WARNING
Never use damaged charging plugs or charging ca-
▶
bles.
NOTICE
Long periods with the vehicle left standing with a
fully charged high-voltage battery for several
months can lead to a permanent reduction in the
charging capacity of the high-voltage battery.
Avoid prolonged vehicle downtimes when the
▶
high-voltage battery is at a high state of charge.
At very low and very high temperatures, there
may be restrictions when charging the high-voltage
battery. The charging time may be longer.
As the state of charge of the high-voltage battery
increases during charging, the ability of the high-
voltage battery to absorb energy decreases. This
slows down the charging process.
Charging of high-voltage battery
Overview
Charging socket, charging indicator and buttons
Charging indicator
Plate on the interior of the battery flap
Illuminates in green: high-voltage battery is
A
charged, charging process is complete
Pulsating green: high-voltage battery is charg-
B
ing
Flashes green (about 1 minute after connecting
C
the charging cable): time-delayed charging is ac-
tivated, but has not yet started
D
Flashes yellow: selector lever is not in position
Lights up yellow for several seconds: charging
E
plug inserted in charging socket is detected
Continuously illuminated in yellow: Charging
plug is plugged into the charging socket, but no
mains power was detected. Check the power
supply or mains power.
Lights up red: Charging plug is not locked into
F
the charging socket. Disconnect the charging
plug and insert it again into the charging socket
until it stops. If the fault persists, seek the help
of a specialist company.
Flashes red: Fault with the charging system of
the vehicle. Seek the help of a specialist garage.
Charging options
Public charging station (AC alternating current).
▶
Home Charging Station - Wall box (AC alternating
▶
current).
Charge at usual mains socket.
▶
Charging indicator
A
Immediate charging
B
button and time-de-
layed charging but-
ton
Charging socket
C
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