Mercedes-Benz 2005 C 230 Kompressor Sport Operator's Manual page 150

Controls in detail
Control system
The selection marker is on the month
setting.
Press button æ or ç to set the
month.
148
Setting the date (day)
This function can only be seen with audio
system.
i
Vehicles with COMAND*:
For information on setting the date,
refer to the separate COMAND
operating instructions.
Move the selection marker with
button æ or ç to the
submenu.
Press button j or k repeatedly
until the message Date Set day
appears in the multifunction display.
The selection marker is on the day
setting.
Time/Date
Press button æ or ç to set the
day.