Mercedes-Benz A-Class Owner's Manual page 416

Display messages
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Replace key
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Key not detected (white
display message)
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Change key batteries
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Possible causes/consequences and
Pull over and stop the vehicle safely as soon as possible, paying attention to road and traffic conditions.
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Place the key in the slot for starting the engine with the key (
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* The key needs to be replaced.
Consult a qualified specialist workshop.
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* The key is currently undetected.
Change the location of the key in the vehicle.
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If the key is still not recognised, start the engine with the key in the slot (
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* The key battery is discharged.
Replace the battery (
→
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* The key detection function is malfunctioning.
Change the location of the key in the vehicle.
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Start the vehicle with the key in the slot (
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M M Solutions
page 65).
page 151).
→
Display messages and warning/indicator lamps 413
page 151).
→
page 151).
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