Mercedes-Benz S-Class 2014 Owners Manual - Manual (Page 285)

Display messages Possible causes/consequences and M M Solutions
b
Switch Off Lights Switch Off Lights
The lights are still switched on when you leave the vehicle. A
warning tone also sounds.
X
Turn the light switch to Ã.
Adaptive Highbeam Adaptive Highbeam
Assist Assist
Inoperative Inoperative or
Adaptive Highbeam Adaptive Highbeam
Assist Plus Assist Plus
Inoperative Inoperative
Adaptive Highbeam Assist or Adaptive Highbeam Assist Plus 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
or Adaptive Adaptive
Highbeam Assist Highbeam Assist
Plus Currently Plus Currently
Unavailable See Unavailable See
Operator's Manual Operator's Manual
Adaptive Highbeam Assist or Adaptive Highbeam Assist Plus is
deactivated and temporarily not operational. 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, display
message Adaptive Highbeam Assist Now Available Adaptive Highbeam Assist Now Available or
Adaptive Highbeam Assist Plus Available Again Adaptive Highbeam Assist Plus Available Again is
displayed.
Adaptive Highbeam Assist or Adaptive Highbeam Assist Plus is
operational again.
Engine
Display messages Possible causes/consequences and M M Solutions
+
Check Coolant Check Coolant
Level See Level See
Operator's Manual Operator'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 351).
X If coolant needs to be added more often than usual, have the
engine coolant system checked at a qualified specialist
workshop.
? ? 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
mountainous terrain, and stop-and-go traffic.
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