Mercedes-Benz 2007 E 320 BLUETEC Operator's Manual page 401

Practical hints
What to do if ...
Display message
DISTRONIC
currently unavailable
See Operator's Manual
400
Possible cause/consequence
Distronic* is switched off and is
temporarily unavailable.
Distronic* is deactivated if:
the Distronic* cover in the radi-
ator grille is dirty
its function is impaired by
heavy precipitation or fog
Possible solution
If necessary, clean the Distronic* cover in the area
of the radiator grille ( page 373).
Restart the vehicle.
or
Distronic* becomes operational again without the en-
gine being restarted when:
dirt on the radiator grille has fallen off while driving
(e.g. slush or snow)
the system recognizes full sensor availability (due to
lessening rain or the road surface drying)
the message in the multifunction display disappears
the speed last stored flashes in the display for
5 seconds.
You can operate Distronic* as usual again.