Mercedes-Benz 2010 M-Class Operator's Manual page 281

Vehicle status messages in the multifunction display
Display messages
DISTRONIC Currently
Unavailabl
e
See
Operator's
Manual
DISTRONIC Currently
Unavailabl
e
See
Operator's
Manual
G
Warning!
Distronic cannot take weather conditions into
account. Switch off Distronic or do not turn it
on if the sensor is dirty or visibility is
diminished as a result of snow, rain or fog. The
distance control may be impaired even before
Possible causes/consequences and M Solutions
Distronic is deactivated because:
The Distronic cover in the radiator grille is dirty.
R
The functionality is impaired by heavy precipitation or fog.
R
The system is overheated.
R
X
If necessary, clean the Distronic cover in the area of the
Y
radiator grille ( page 263).
X
If necessary, wait until the system has cooled down.
X
Restart the vehicle.
Distronic becomes operational again without the engine being
restarted when:
dirt on the radiator grille has fallen off while driving (e.g.
R
slush or snow)
the system recognizes full sensor availability (due to
R
lessening rain or the road surface drying)
the message in the multifunction display disappears
R
You can then operate Distronic as usual again.
Distronic is deactivated because the functionality is impaired
by external interferences, e.g. high-frequency sources such
as toll stations, speed measuring systems etc.
X
Leave the area of the external interference.
X
Activate Distronic again (
DISTRONIC Available Again appears.
Distronic is deactivated because the Distronic sensor has not
sensed any other vehicles or objects, e.g. road sign or such,
for a long time.
X
Activate Distronic again (
DISTRONIC Available Again appears.
the system is able to detect a dirty sensor. The
message DISTRONIC Currently
Unavailable See Operator's Manual will
be displayed in the multifunction display and
Distronic will be turned off.
Y page 147) when the message
Y page 147) when the message
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Z