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Display messages
Possible causes/consequences and MM Solutions
Active DistanceActive Distance
Assist CurrentlyAssist Currently
Unavailable SeeUnavailable See
Operator's ManualOperator's Manual
Active Distance Assist DISTRONIC is temporarily inoperative.
Active Steering Assist is also temporarily inoperative.
Possible causes are:
R
the radar sensor system is temporarily inoperative, e.g. due to elec-
tromagnetic radiation emitted by nearby TV or radio stations or
other sources of electromagnetic radiation
R
the system is outside the operating temperature range
R
the on-board voltage is too low
A warning tone also sounds.
When the causes stated above no longer apply, the display message
disappears.
Active Distance Assist DISTRONIC is operational again.
If the display message does not disappear:
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X
Secure the vehicle against rolling away (Y page 152).
X
Restart the engine.
Active DistanceActive Distance
Assist InoperativeAssist Inoperative
Active Distance Assist DISTRONIC is defective.
The following may have also failed:
R
Active Brake Assist with cross-traffic function
A warning tone also sounds.
X
Visit a qualified specialist workshop.
Active DistanceActive Distance
Assist SuspendedAssist Suspended
You have depressed the accelerator pedal. Active Distance Assist
DISTRONIC is no longer controlling the speed of the vehicle.
X
Remove your foot from the accelerator pedal.
Active DistanceActive Distance
Assist - - - mphAssist - - - mph
A condition for activating Active Distance Assist DISTRONIC has not
been met.
X
Check the activation conditions for Active Distance Assist
DISTRONIC (Y page 164).
248
Display messages
On-board computer and displays
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