Mercedes-Benz C-Class Coupe Operator's Manual page 227

Display messages
Cruise Control
Inoperative
Cruise Control
- - - mph
Possible causes/consequences and M Solutions
Cruise control is defective.
A warning tone also sounds.
Visit a qualified specialist workshop.
X
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.
If conditions permit, drive faster than 20 mph (30 km/h) and
X
store the speed.
Check the activation conditions for cruise control
X
( page 155).
Y
I n f o r m a t i o n P r o v i d e d b y :
Display messages
225
Z