Mercedes-Benz ML320 Cdi Operator's Manual page 433

Practical hints
What to do if ...
Display message
DISTRONIC
--- mph
inoperative
Override
432
Possible cause/consequence
You have attempted to set a speed
while driving below 20 mph
(30 km/h).
®
The ESP is switched off.
The automatic transmission is set to
position P, R, or N.
The vehicle is secured with the
parking brake.
The Distronic* or the Distronic*
display are malfunctioning.
You have accelerated. The
Distronic* has switched off.
Possible solution
Accelerate to a speed exceeding 20 mph
(30 km/h) and set the speed ( page 250).
®
Switch on the ESP ( page 98).
Set the automatic transmission to
position D ( page 187).
Release the parking brake ( page 57).
Have the system checked by an authorized
Mercedes-Benz Light Truck Center.
Stop accelerating.