Mercedes-Benz C-Class Saloon Owner's Manual page 492

490 Display messages and warning/indicator lamps
Display messages Possible causes/consequences and
,
* Vehicles with a digital vehicle key: only a few or no authorisations remain for starting the engine.
Replace key See Owner's
Manual
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* The key battery is discharged.
Change key batteries
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* The key is currently undetected.
Key not detected (white
display message)
Make sure that the internet connection is not limited by certain mobile phone settings.
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Open the Mercedes me connect http://www.mercedes.me and call up the digital vehicle key service.
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Deactivate the service first and then activate it again.
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If the display message still appears, contact the Mercedes-Benz Customer Assistance Center (CAC).
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Vehicles with a digital vehicle key sticker: only a few or no authorisations remain for starting the engine.
Order a new digital vehicle key sticker from a Mercedes-Benz Service Centre or at http://www.mercedes-
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benz.com/connect.
Replace the battery ( page 75).
→
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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 170).
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