Mercedes-Benz GLK-Class 2012 Owners Manual - Manual (Page 193)

Display messages Possible causes/consequences and M Solutions
b
Check Rear Left
Sidemarker
Lamp or Check Rear
Right Sidemarker
Lamp
The rear left or right side marker lamp is defective.
X Check whether you are permitted to change the bulb yourself
(
Y page 108).
or
X Visit a qualified specialist workshop.
b
Check Left Daytime
Running
Light or Check Right
Daytime Running
Light
The left or right-hand daytime running lamp is defective.
X Check whether you are permitted to change the bulb yourself
(
Y page 108).
or
X Visit a qualified specialist workshop.
b
Active Headlamps
Inoperative
The active light function is defective.
X Visit a qualified specialist workshop.
b
Malfunction See
Operator's Manual
The exterior lighting is defective.
X Visit a qualified specialist workshop.
b
AUTO Lamp Function
Inoperative
The light sensor is defective.
X Visit a qualified specialist workshop.
b
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 c or Ã.
Engine
Display messages Possible causes/consequences and M Solutions
+
Check Coolant
Level See
Operator's Manual
The coolant level is too low.
X Add coolant, observing the warning notes when doing so
(
Y page 240).
X If coolant needs to be added more often than usual, have the
engine coolant system checked at a qualified specialist
workshop.
Display messages
191
On-board computer and displays
Z