Mercedes-Benz C-Clas 2016 Owner's Manual page 257

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254
Display messages
b
Switch on headlamps Switch on headlamps
Adaptive Highbeam Adaptive Highbeam
Assist Plus cur‐ Assist Plus cur‐
rently unavailable rently unavailable
See Owner's Manual See Owner's Manual
Adaptive Highbeam Adaptive Highbeam
Assist Plus inoper‐ Assist Plus inoper‐
ative ative
Engine
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+
Top up coolant See Top up coolant See
Owner's Manual Owner's Manual
?
Possible causes/consequences and M M Solutions
You are driving without dipped-beam headlamps.
Turn the light switch to the L or à position.
X
Adaptive Highbeam Assist Plus is deactivated and temporarily inop-
erative. Possible causes:
The windscreen is dirty in the camera's field of vision.
R
Visibility is impaired due to heavy rain, snow or fog.
R
Clean the windscreen.
X
If the system detects that the camera is fully operational again, the
Adaptive Highbeam Assist Plus available again Adaptive Highbeam Assist Plus available again
displayed.
Adaptive Highbeam Assist Plus is operational again.
Adaptive Highbeam Assist Plus is faulty.
Consult a qualified specialist workshop.
X
Possible causes/consequences and M M Solutions
The coolant level is too low.
!
Avoid making long journeys with too little coolant in the engine
cooling system. The engine will otherwise be damaged.
Top up the coolant, observing the warning notes when doing so
X
( page 312).
Y
If you have to top up the coolant frequently:
Contact a qualified specialist workshop and have the engine cooling
X
system checked.
The fan motor is faulty.
If the coolant temperature is below 120 †, drive on to the nearest
X
qualified specialist workshop.
Avoid heavy loads on the engine as you do so, e.g. driving in moun-
X
tainous terrain and stop-start traffic.
message is