Mercedes Vito 111CDi 2008 (no steering wheel buttons)
Turn on ignition (2clicks).
If the display shows a spanner and the number of days to the service, wait 30sec until it reverts to mileage display.
Press O button (bottom left of instrument console) for 30 seconds.
Release after you hear a beep and press M (upper left).
Scroll through the messages until you reach the Reset Std message.
If you have used oil according to quality sheet 229.31 or 228/229.51, you can scroll to Reset.31 or Reset.51 respectively.
This selects the oil type used.
Now, when appropriate oil type is selected - press O for 6 seconds until ''2'' is displayed.
Press O once again briefly and the ''done'' message will confirm that the job is finished.
Switch off ignition.
**No more beeps when switching the ignition on**
Jeff Manning, August 2010