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478 Display messages and warning/indicator lamps
Display messages
Possible causes/consequences and
* The 48 V battery is discharged. You have switched on the vehicle while the 12 V battery was being charged with a
Ý
Please Wait Charging 48 V
Battery...
Cannot Start Engine See
* The condition of charge of the 48 V battery is too low. You can no longer start the vehicle.
Operator's Manual
Engine Can Now Be Started
* The 48 V battery has been charged automatically via the voltage converter.
Solutions
M
suitable charger or while another vehicle was providing starting assistance.
The discharged 48 V battery is charged automatically via the voltage converter. After a few minutes, the
Now Be Started
display message will be shown on the instrument display.
Start the vehicle.
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Drive the vehicle for a while to charge the 12 V battery and the 48 V battery after disconnecting the charger from
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the vehicle.
Engine Can Now Be Started
If the
display message does not appear after a few minutes:
Try to start the vehicle.
#
If the vehicle does not start, consult a qualified specialist workshop.
#
Switch off electrical consumers that are not required.
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Connect a suitable charger approved for Mercedes-Benz with sufficient charge output to the jump-start connection
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point of the 12 V battery (
page 364).
/
The 48 V battery is charged via the voltage converter in the vehicle.
Start the vehicle and drive for a while to charge the 12 V battery and the 48 V battery.
#
Engine Can
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