Mercedes-Benz 2013 C Class Sedan - Manual (Page 237)

Display messages Possible causes/consequences and M Solutions
Cruise Control
Inoperative
Cruise control is defective.
A warning tone also sounds.
X Visit a qualified specialist workshop.
Cruise Control
--- mph A condition for activating cruise control has not been fulfilled.
You have tried to store a speed below 20 mph (30 km/h), for
example.
X If conditions permit, drive faster than 20 mph (30 km/h) and
store the speed.
X Check the activation conditions for cruise control
(
Y page 165).
Display messages
235
On-board computer and displays
Z