Mercedes-Benz 2014 GLK Class - Manual (Page 253)

Display messages Possible causes/consequences and M Solutions
¯
Eng. Start Not
Possible in ..km
The DEF system is malfunctioning. A warning tone also sounds.
X Visit a qualified specialist workshop immediately.
¯
Eng. Start Not
Possible
The DEF system is malfunctioning. A warning tone also sounds.
You can no longer start the engine.
X Consult a qualified specialist workshop immediately.
Driving systems
Display messages Possible causes/consequences and M Solutions
À
Attention Assist:
Take a Break!
Based on certain criteria, ATTENTION ASSIST has detected fatigue
or a lack of concentration on the part of the driver. A warning tone
also sounds.
X If necessary, take a break.
During long journeys, take regular breaks in good time so you get
enough rest.
À
Attention Assist
Inoperative
ATTENTION ASSIST is inoperative.
X Visit a qualified specialist workshop.
ë
Off
The HOLD function is deactivated. the vehicle is skidding.
A warning tone also sounds.
X Reactivate the HOLD function later ( Y page 183).
The HOLD function is deactivated. When the brake pedal is firmly
depressed, an activation condition is not fulfilled.
A warning tone also sounds.
X Check the activation conditions for the HOLD function
(
Y page 183).
Radar Sensors
Deactivated See
Operator's Manual
The radar sensor system is deactivated.
X Switch on the radar sensor system ( Y page 233).
Display messages
251
On-board computer and displays
Z