Mercedes-Benz S-Class Saloon W223 2021 Owner's Manual page 567

Display messages
Û
48 V battery See Owner's
Manual
Ý
Please wait 48 V battery
charging
Cannot start vehicle See
Owner's Manual
Possible causes/consequences and
* The 48 V on-board electrical system has function restrictions. Comfort functions may be restricted.
Consult a qualified specialist workshop immediately.
#
* The 48 V battery is discharged. You have switched on the ignition while the 12 V battery was being charged with a
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 driver display
will show the Possible to start the engine again
Start the vehicle.
#
Drive the vehicle for a while to charge the 12 V battery and the 48 V battery after disconnecting the charger from
#
the vehicle.
If the Possible to start the engine again
Try to start the vehicle.
#
If the vehicle does not start, consult a qualified specialist workshop.
#
* The state of charge of the 48 V battery is too low. You can no longer start the vehicle.
Switch off electrical consumers that are not required.
#
Solutions
M
display message.
display message does not appear after a few minutes:
P223 0288 02
Display messages and warning/indicator lamps 565