Display messages
Possible causes/consequences and M Solutions
À
Attent. Asst inoper‐
ative
ATTENTION ASSIST has failed.
X
Visit a qualified specialist workshop.
À
Attent. Asst: 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.
SPEEDTRONIC limit
- - - mph
While depressing the accelerator pedal beyond the pressure point
(kickdown), SPEEDTRONIC cannot be activated.
X
If conditions permit, drive faster than 30 km/h and store the speed.
Limiter passive
You depress the accelerator pedal beyond the pressure point. Whilst
you are accelerating, SPEEDTRONIC does not control the speed.
X
Release the accelerator pedal. SPEEDTRONIC is reactivated and
limits the speed.
Cruise control
- - - mph
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 at a speed greater than 30 km/h and
store the speed.
X
Check the activation conditions for cruise control (Y page 187).
Cruise ctrl. / LIM
inoperative
A warning tone also sounds. Cruise control and SPEEDTRONIC are
malfunctioning.
X
Visit a qualified specialist workshop.
256
Display messages (vehicles without steering wheel buttons)
On-board computer and displays
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