Mercedes-Benz E-Class Sedan Operator's Manual page 423

Lights
Display messages
b
Example:
b
b
Possible causes/consequences and
* The corresponding light source is defective.
Visit a qualified specialist workshop.
#
% LED light bulbs: the display message for the corresponding lamp only appears when all the light-emitting diodes
in the lamp have failed.
* The active light function is malfunctioning.
Consult a qualified specialist workshop.
#
* The exterior lighting is malfunctioning.
Consult a qualified specialist workshop.
#
Display messages and warning/indicator lamps 421
M Solutions