Mercedes-Benz 2013 GLS Class - Manual (Page 280)

Display messages Possible causes/consequences and M Solutions
¯
Eng. start not pos‐
sible in ..km
The AdBlue ® system is malfunctioning. A warning tone also
sounds.
X Visit a qualified specialist workshop immediately.
¯
Eng. start not pos‐
sible
The AdBlue ® 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 that you
get enough rest.
À
Attention Assist
inoperative
ATTENTION ASSIST is inoperative.
X Visit a qualified specialist workshop.
¨
or
°
Vehicle rising
Your vehicle is adjusting to the level you have selected.
¨
or
°
Vehicle rising
Please wait
The vehicle level is too low when the vehicle is stationary. A warn-
ing tone also sounds.
X Do not pull away.
The vehicle level is set when the display message disappears.
¨
or
°
Stop vehicle Vehi‐
cle too low
You have pulled away while the vehicle level is still too low.
AIRMATIC sets the vehicle to the selected level after a short
period.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away ( Y page 180).
X Wait until the display message disappears before pulling away.
278
Display messages
On-board computer and displays