Mercedes-Benz 2013 C Class Coupe - Manual (Page 266)

Display messages Possible causes/consequences and M Solutions
Cruise control
¯
--- km/h
A condition for activating cruise control has not been met.
You have tried to store a speed below 30 km/h, for example.
X If conditions permit, drive faster than 30 km/h and store the
speed.
X Check the activation conditions for cruise control
(
Y page 174).
120 km/h
120 km/h Only for certain countries: the maximum speed has been excee-
ded.
X Drive more slowly.
Driving systems (12-button multifunction steering wheel)
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.
Speed Limit Assist
currently unavail‐
able See Owner's
Manual
Speed Limit Assist is deactivated and temporarily inoperative.
Possible causes:
R
the windscreen is dirty in the camera's field of vision.
R
visibility is impaired due to heavy rain, snow or fog.
If the display message does not disappear:
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 169).
X Clean the windscreen.
If the system detects that the camera is fully operational, the dis-
play message disappears.
Speed Limit Assist is operational again.
Speed Limit Assist
inoperative
Speed Limit Assist is faulty.
X Visit a qualified specialist workshop.
264
Display messages
On-board computer and displays