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Possible causes/consequences and MM Solutions
b
Switch Off LightsSwitch Off Lights
You leave the vehicle and the lights are switched on. A warning tone
also sounds.
X
Turn the light switch to the à position.
b
Switch On HeadlampsSwitch On Headlamps
You are driving with low-beam headlamps switched off.
X
Turn the light switch to the L or à position.
Adaptive HighbeamAdaptive Highbeam
Assist CurrentlyAssist Currently
Unavailable SeeUnavailable See
Operator's ManualOperator's Manual
Adaptive Highbeam Assist is deactivated and temporarily inoperative.
Possible causes are:
R
The windshield in the camera's field of vision is dirty.
R
Visibility is impaired due to heavy rain, snow or fog.
X
Clean the windshield.
If the system detects that the camera is fully operational, the Adap‐Adap‐
tive Highbeam Assist Now Availabletive Highbeam Assist Now Available message is displayed.
Adaptive Highbeam Assist is operational again.
Adaptive HighbeamAdaptive Highbeam
Assist InoperativeAssist Inoperative
Adaptive Highbeam Assist is faulty.
X
Visit a qualified specialist workshop.
Engine
Display messages
Possible causes/consequences and MM Solutions
+
CheckCheck CoolantCoolant LevelLevel
See Operator's Man‐See Operator's Man‐
ualual
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.
X
Add coolant, observing the warning notes before doing so
(Y page 324).
If you have to add coolant frequently:
X
Contact a qualified specialist workshop and have the engine cooling
system checked.
?
The fan motor is malfunctioning.
X
At coolant temperatures below 248 ‡(120 †), drive to the nearest
qualified specialist workshop.
X
Avoid heavy loads on the engine as you do so, e.g. driving in moun-
tainous terrain and stop-and-go traffic.
Display messages
257
On-board computer and displays
Z
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