Mercedes-Benz GLK-Class 2013 Owners Manual - Manual (Page 249)

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 179).
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 179).
Radar Sensor
Deactivated See
Operator's Manual
The radar sensor system is deactivated.
X Switch on the radar sensor system (
Y
page 229).
Display messages
247
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boar
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