Mercedes-Benz A-Class Operator's Manual page 456

454 Display messages and warning/indicator lamps
Display messages Possible causes/consequences and
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* The battery is not being charged.
See Operator's Manual
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* The engine is off and the battery charge level is too low.
12 V Battery See Opera-
tor's Manual
* NOTE Possible engine damage if you continue driving
Do not continue driving under any circumstances.
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Consult a qualified specialist workshop.
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Pull over and stop the vehicle safely and switch off the engine, paying attention to road and traffic conditions.
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Consult a qualified specialist workshop.
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Switch off electrical consumers that are not required.
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Leave the engine running for a few minutes, or drive for a longer distance.
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The battery will charge.
The battery charge level is too low and one of the following conditions has been met:
The vehicle has been started.
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The vehicle is being driven.
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Visit a qualified specialist workshop.
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M M Solutions