Mercedes-Benz S-Class Owner's Manual page 588

586 Display messages and warning/indicator lamps
Key
Display messages
Possible causes/consequences and
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* The key cannot be detected and may no longer be in the vehicle.
Key not detected (red dis‐
play message)
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* The key needs to be replaced.
Replace key
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* The key is currently undetected.
Key not detected (white
display message)
The key is no longer in the vehicle and you switch off the engine:
You can no longer start the engine.
R
You cannot centrally lock the vehicle.
R
Ensure that the key is in the vehicle.
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If the key detection function has a malfunction due to a strong radio signal source:
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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Consult a qualified specialist workshop.
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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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M M Solutions
page 195).
→
page 195).
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