Mercedes-Benz C-Coupe 2015 Owners Manual - Manual (Page 229)

Display messages Possible causes/consequences and M M Solutions
Cruise control Cruise control
Inoperative Inoperative
Cruise control is defective.
A warning tone also sounds.
X
Visit a qualified specialist workshop.
Cruise control Cruise control
- - - mph
- - - 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 158).
Display messages
227
On-
boar
d
comp
ut
er
and
dis
pla
ys
Z