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Display messages
Active Distance Assist
- - - mph
Active Distance Assist
Off
Active Distance Assist
Inoperative
Active Distance Assist
and Limiter Inoperative
Act. Distance Assist Sus-
pended
Active Distance Assist
Curr. Unavailable See
Oper. Manual
Active Brake Assist Sys-
tem Inoperative
Active Brake Assist Cur-
rently Unavail.
Display messages and warning and indicator lamps 249
Possible causes/consequences and
* An activation condition for Active Distance Assist DISTRONIC has
not been fulfilled.
Comply with the activation conditions for Active Distance Assist
#
DISTRONIC (
page 116).
/
* Active Distance Assist DISTRONIC has been deactivated
(
page 116).
/
In the event of a deactivation not initiated by the driver, a warning
tone sounds as well.
* A warning tone also sounds. Active Distance Assist DISTRONIC is
malfunctioning. In addition, BAS may have failed.
Consult a qualified specialist workshop.
#
* A warning tone also sounds. Active Distance Assist DISTRONIC and
the limiter are malfunctioning.
Consult a qualified specialist workshop.
#
* You are accelerating. Active Distance Assist DISTRONIC does not
intervene for the duration of the acceleration process.
Remove your foot from the accelerator pedal.
#
Active Distance Assist DISTRONIC will be activated again.
* A warning tone also sounds.
Active Distance Assist DISTRONIC has been switched off and is
temporarily non-operational.
The following causes are possible:
The function is impaired due to heavy rain or snow.
R
The radar sensor system is temporarily non-operational, e.g. due
R
to electromagnetic radiation close to TV or radio transmitting
stations or other sources of radiation.
The system is outside the operating temperature range.
R
The on-board electrical system voltage is too low.
R
If the causes mentioned above no longer apply, the display message
will disappear and Active Distance Assist DISTRONIC will be opera‐
tional again.
If the display message does not disappear:
Stop in accordance with the traffic conditions.
#
Secure the vehicle against rolling away.
#
* Active Brake Assist is unavailable due to a malfunction.
Consult a qualified specialist workshop.
#
* Active Brake Assist is temporarily non-operational.
The following causes are possible:
The sensors in the front bumper are dirty.
R
The function is impaired due to heavy rain or snow.
R
The radar sensor system is temporarily non-operational, e.g. due
R
to electromagnetic radiation close to TV or radio transmitting
stations or other sources of radiation.
M M
Solutions
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