Mercedes-Benz GLB 2023 Operator's Manual page 428

426 Display messages and warning/indicator lamps
Warning/indicator lamp Possible causes/consequences and
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* 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.
Distance warning lamp
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Function of Active Brake Assist (
Ó
* 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.
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Active Brake Assist warning
lamp
Solutions
M
® ®
If ESP cannot be activated, ESP is malfunctioning.
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Have ESP checked immediately at a qualified specialist workshop.
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Observe the notes on deactivating ESP
Be prepared to brake immediately.
Increase the distance.
page 199).
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Note the messages on the instrument display.
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( page 179).
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