Mercedes-Benz B-Class hatchback 2022 Owner's Manual page 457

454 Display messages and warning/indicator lamps
Display messages
Auxiliary battery malfunc-
tion (white display message)
Auxiliary battery malfunc-
tion (red display message)
Possible causes/consequences and
or
If possible, continue driving at a steady speed and remove your foot from the clutch pedal. Do not let the clutch
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drag.
The clutch will cool while the vehicle is in motion.
When the clutch has cooled down, the display message will disappear.
* The auxiliary battery for the automatic transmission is no longer being charged.
Consult a qualified specialist workshop.
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Until then, always select park position j manually before you switch off the vehicle.
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Before leaving the vehicle, apply the electric parking brake.
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* Vehicles with manual transmission: There is a fault with the auxiliary battery.
Vehicles with automatic transmission: The auxiliary battery for the transmission is no longer being charged.
Consult a qualified specialist workshop.
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Vehicles with automatic transmission: until then, always select park position j before you switch off the vehicle.
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Before leaving the vehicle, apply the electric parking brake.
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Solutions
M