Mercedes-Benz GLK-Class 2015 Owners Manual - Manual (Page 249)

Display messages Possible causes/consequences and M M Solutions
Adaptive Highbeam Adaptive Highbeam
Assist Inoperative Assist Inoperative
Adaptive Highbeam Assist is faulty.
X
Visit a qualified specialist workshop.
Adaptive Highbeam Adaptive Highbeam
Assist Currently Assist Currently
Unavailable See Unavailable See
Operator's Manual Operator's Manual
Adaptive Highbeam Assist is deactivated and temporarily inoper-
ative. 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 again, the
Adaptive Highbeam Assist Now Available Adaptive Highbeam Assist Now Available message is dis-
played.
Adaptive Highbeam Assist is operational again.
Engine
Display messages Possible causes/consequences and M M Solutions
+
Check Coolant Check Coolant
Level See Opera‐ Level See Opera‐
tor's Manual tor's Manual
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 303).
X
If coolant needs to be added more often than usual, have the
engine coolant system checked at a qualified specialist work-
shop.
? The fan motor is faulty.
X At coolant temperatures below 248 ‡ (120 †), drive to the
nearest qualified specialist workshop.
X
Avoid subjecting the engine to heavy loads, e.g. driving in moun-
tainous terrain, and stop-and-go traffic.
Display messages
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