Mercedes-Benz A-Class Owner's Manual page 426

Display messages
Active bonnet malfunction
See Owner's Manual
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C
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Possible causes/consequences and
* The active bonnet (pedestrian protection) is malfunctioning or inoperative after having already been triggered.
Consult a qualified specialist workshop.
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* The bonnet is open.
& WARNING Risk of accident due to driving with the engine bonnet unlocked
An unlocked engine bonnet may open up when the vehicle is in motion and block your view.
Never unlock the engine bonnet when driving.
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Before every trip, ensure that the engine bonnet is locked.
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Stop the vehicle immediately, paying attention to road and traffic conditions.
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Close the bonnet.
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* At least one door is open.
Close all doors.
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* The tailgate is open.
& DANGER Risk of exhaust gas poisoning
Combustion engines emit poisonous exhaust gases such as carbon monoxide. Exhaust gases can enter the
vehicle interior if the tailgate is open when the engine is running, especially if the vehicle is in motion.
Always switch off the engine before opening the tailgate.
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Display messages and warning/indicator lamps 423
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