Mercedes-Benz GLE Series 2020 Operator's Manual page 575

Display messages
Possible causes/consequences and
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* The radar sensor system is malfunctioning. Possible causes:
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Ä
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Currently Unavailable
Radar Sensors Dirty
Dirt on the sensors
R
Heavy rain or snow
R
Extended country driving without other traffic, e.g. in the desert
R
Driving systems and driving safety systems may be malfunctioning or temporarily unavailable.
Once the cause of the problem is no longer present, the driving systems and driving safety systems will be available
again.
If the display message does not disappear:
Stop the vehicle in accordance with the traffic conditions.
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Clean all sensors ( page 467).
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Restart the engine.
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Display messages and warning/indicator lamps 573
Solutions
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