Mercedes-Benz S-Class 2019 Operator's Manual page 486

484 Display messages and warning/indicator lamps
Display messages
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(USA only)
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(Canada only)
Check Brake Fluid Level
Radar Sensors Dirty See
Operator's Manual
Possible causes/consequences and
Have the brake system checked immediately at a qualified specialist workshop.
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Drive on carefully.
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Visit a qualified specialist workshop immediately.
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* There is insufficient brake fluid in the brake fluid reservoir.
& WARNING Risk of an accident due to low brake fluid level
If the brake fluid level is too low, the braking effect and the braking characteristics may be impaired.
Pull over and stop the vehicle safely as soon as possible, paying attention to road and traffic conditions.
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Do not continue driving under any circumstances.
Consult a qualified specialist workshop.
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Do not add 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 add brake fluid.
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Consult a qualified specialist workshop.
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* The radar sensor system is malfunctioning. Possible causes are:
Dirt on the sensors
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Heavy rain or snow
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M M Solutions