Mercedes-Benz S-Class 2023, Operator'S Manual

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Display messages Possible causes/consequences and
M
Solutions
Cannot Start Vehicle See
Operator's Manual
* 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.
#
Connect a suitable charger approved for Mercedes-Benz with sufficient charge output to the jump-start connection
point of the 12 V battery (
/
page 430).
The 48 V battery is charged via the voltage converter in the vehicle.
Starting Possible Again * The 48 V battery has been charged automatically via the voltage converter.
#
Start the vehicle and drive for a while to charge the 12 V battery and the 48 V battery.
Tire pressure monitor
Display messages Possible causes/consequences and
M
Solutions
Tire Pressure Monitor Cur-
rently Unavailable
* There is interference from a powerful radio signal source As a result, no signals from the tire pressure sensor are
being received. The tire pressure monitoring system is temporarily unavailable.
The tire pressure monitoring system will restart automatically as soon as the cause has been rectified.
#
Drive on
Tire Pressure Monitor Inop-
erative
* The tire pressure monitoring system is malfunctioning.
&
WARNING There is a risk of an accident if the tire pressure monitoring system is malfunctioning
The tire pressure monitoring system cannot issue a warning if there is pressure loss in one or more of the tires.
556 Display messages and warning/indicator lamps