Mercedes-Benz AMG GT 53 4MATIC+ 2019 Operator's Manual page 456

454 Display messages and warning/indicator lamps
Display messages
Stop Vehicle Leave Engine
Running
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48 V Battery See Opera-
tor's Manual
Cannot Start Engine See
Operator's Manual
Engine Can Now Be Started
Û
Please Wait Charging High-
voltage Battery...
Possible causes/consequences and
Leave the engine running.
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Wait until the display message disappears before pulling away.
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* The 48 V system is malfunctioning. Convenience functions may be restricted.
Visit a qualified specialist workshop immediately.
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* The charge level of the 48 V battery is too low. You can no longer start the engine.
Switch off electrical consumers that are not required.
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Connect a suitable charger approved by Mercedes-Benz with sufficient charge output to the jump-start connec‐
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tion point of the 12 V battery (
The 48 V battery is charged via the voltage converter in the vehicle.
* The 48 V battery has been charged automatically via the voltage converter.
Start the engine and drive the vehicle for a while to charge the 12 V battery and the 48 V battery.
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* The 48 V battery is discharged. You have switched on the ignition while the 12 V battery is being charged with a
suitable charger or while another vehicle is providing starting assistance.
The discharged 48 V battery is charged automatically via the voltage converter. After a few minutes, the
Can Now Be Started display message is shown on the multifunction display.
Start the engine.
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M M Solutions
page 376).
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Engine