Mercedes-Benz A-Class 2020, Operator'S Manual

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Driving systems
Warning/indicator lamp Possible causes/consequences and M M Solutions
L
Warning lamp for distance
warning function
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.
#
Increase the distance.
Function of Active Brake Assist (
/
page 163).
Engine
Warning/indicator lamp
Possible causes/consequences and M M Solutions
;
Engine diagnosis warning
lamp
The yellow Check Engine warning lamp is lit while the engine is running.
*A malfunction has occurred in the engine, the exhaust system or the fuel system.
The emission limit values may be exceeded and the engine may be in emergency mode.
In some states, legal requirements stipulate that you must immediately consult a qualified specialist workshop as
soon as the yellow Check Engine warning lamp lights up.
#
Have the vehicle checked as soon as possible at a qualified specialist workshop.
Display messages and warning/indicator lamps 395