Mercedes-Benz A-Class 2021 Operator's Manual page 391

Driving systems
Warning/indicator lamp
Possible causes/consequences and
æ
* The white Active Brake Assist warning lamp is lit.
The system is switched off or unavailable.
Active Brake Assist warning
lamp
L
* 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.
Warning lamp for distance
#
warning function
#
Function of Active Brake Assist (
M M
Be prepared to brake immediately.
Increase the distance.
page 173).
/
Display messages and warning/indicator lamps 389
Solutions