Mercedes-Benz A-Class Operator's Manual page 475

Warning/indicator lamp Possible causes/consequences and
Pull over and stop the vehicle safely as soon as possible, paying attention to road and traffic conditions. Do not
#
continue driving under any circumstances.
Observe the messages on the multifunction display.
#
Consult a qualified specialist workshop.
#
USA only: if an additional display message appears with the # symbol on the multifunction display, the brakepads
have reached their wear limit.
Visit a qualified specialist workshop.
#
Display messages and warning/indicator lamps 473
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