Mercedes-Benz A-Class 2021 Operator's Manual page 383

Warning/indicator lamp Possible causes/consequences and
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* The red seat belt warning lamp flashes and an intermittent warning tone sounds.
The driver or front passenger has not fastened his/her seat belt while the vehicle is in motion.
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There are objects on the front passenger seat.
Seat belt warning lamp
flashes
#
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* The red seat belt warning lamp lights up for six seconds once the engine has started.
In addition, an intermittent warning tone may sound.
The red seat belt warning lamp reminds the driver and front passenger to fasten their seat belts.
Seat belt warning lamp
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lights up
If you have placed objects on the front passenger seat, the red seat belt warning lamp may remain lit.
Vehicle
Warning/indicator lamp
Possible causes/consequences and
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* The red power steering system warning lamp is lit while the engine is running.
The power assistance or the steering itself is malfunctioning.
Power steering warning
lamp (red)
Fasten your seat belt ( page 40).
/
Remove the objects from the front passenger seat.
Fasten your seat belt ( page 40).
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& WARNING Risk of accident if steering capability is impaired
If the steering does not function as intended, the vehicle's operating safety is jeopardized.
Display messages and warning/indicator lamps 381
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M M Solutions