Mercedes-Benz B-Class 2011 Owner's Manual page 230

Display messages
Cruise control and
SPEEDTRONIC
inoperative
Limit
--- km/h
Cruise control
--- km/h
120 km/h
Maximum speed
exceeded
Possible causes/consequences and M Solutions
Cruise control and SPEEDTRONIC are malfunctioning.
A warning tone also sounds.
Visit a qualified specialist workshop.
X
While depressing the accelerator pedal beyond the pressure point
(kickdown), SPEEDTRONIC cannot be activated.
A condition for activating cruise control has not been met.
You have tried to store a speed below 30 km/h, for example.
If conditions permit, drive faster than 30 km/h and store the
X
speed.
Check the activation conditions for cruise control
X
( page 150).
Y
Only for certain countries: the maximum speed has been excee-
ded.
In addition, the multifunction display shows
Drive slower.
X
Display messages
120 km/h.
227
Z