Mercedes-Benz GLC 200 4MATIC Owner's Manual page 554

Warning/indicator lamp
L
Warning lamp for distance
warning function
Ó
Active Brake Assist warning
lamp
ê
Active Brake Assist warning
lamp
Possible causes/consequences and
* The red distance warning lamp lights up while the vehicle is in motion.
The distance to the vehicle in front is too small for the speed selected.
If there is an additional warning tone, you are approaching an obstacle at too high a speed.
Be prepared to brake immediately.
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Increase the distance.
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Function of Active Brake Assist (
* The Active Brake Assist warning lamp is on.
Due to dirty sensors or a malfunction, the system is not available or the range of functions is restricted.
Note the messages on the driver's display.
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* The Active Brake Assist warning lamp is on.
The system is switched off or the range of functions has been automatically restricted.
This may be the case if the driver is not wearing a seat belt or another driving system has been activated.
Observe the notes on Active Brake Assist (
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Solutions
M
page 265).
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page 265).
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Display messages and warning/indicator lamps 551