Mercedes-Benz S-Class Coupe 2020 Operator's Manual page 479

Battery
Display messages
Possible causes/consequences and
#
* The engine is off and the charge level is too low.
12 V Battery See Opera-
tor's Manual
* If the message appears while the engine is running, this indicates an on-board electrical system malfunction.
#
* The battery is not being charged.
See Operator's Manual
Switch off electrical consumers that are not required.
#
To charge the battery:
Leave the engine running for a few minutes, or drive an extended distance.
#
Consult a qualified specialist workshop.
#
* NOTE Possible engine damage if you continue driving
Do not continue driving under any circumstances.
#
Consult a qualified specialist workshop.
#
Pull over and stop the vehicle safely and switch off the engine, paying attention to road and traffic conditions.
#
Consult a qualified specialist workshop.
#
Display messages and warning/indicator lamps 477
M M Solutions