Mercedes-Benz S-Class 2020 Owner's Manual page 561

558 Display messages and warning/indicator lamps
Display messages
¯
AdBlue system malfunction
Emerg. op.: max. XXX
km/h Start not poss. in
XXX km
¯
AdBlue system fault Engine
start not possible
Possible causes/consequences and
* Power restriction due to the AdBlue
be possible to start the engine.
Consult a qualified specialist workshop immediately.
#
* The AdBlue ®
system is malfunctioning. You can no longer start the engine.
Consult a qualified specialist workshop immediately.
#
M M Solutions
®
system fault. After the distance displayed has been covered, it will no longer