444 Display messages and warning/indicator lamps
Display messages
Radar sensors dirty See
Owner's Manual
Possible causes/consequences and
Stop the vehicle as soon as possible, paying attention to road and traffic conditions. Do not continue driv‐
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ing.
Consult a qualified specialist workshop.
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Do not top up the brake fluid.
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Pull over and stop the vehicle safely as soon as possible, paying attention to road and traffic conditions. Do not
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continue driving under any circumstances.
Do not top up the brake fluid.
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Consult a qualified specialist workshop.
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* The radar sensor system is malfunctioning. Possible causes:
soiling of the sensors
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heavy rain or snow
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extended country driving without other traffic, e.g. in the desert
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Driving systems and driving safety systems may be malfunctioning or temporarily unavailable.
Once the cause of the problem is no longer present, driving systems and driving safety systems will be available
again.
If the display message does not disappear:
Pull over and stop the vehicle, paying attention to road and traffic conditions.
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Clean all sensors (
page 373).
→
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Solutions