2004 Mercedes C-Class Owner's Manual - Page 123

Controls in detail Control system Settings menu In the SETTINGS menu there are two functions: The function RESET TO FACTORY SETTINGS, with which you can reset all the settings to the original factory settings. A collection of submenus with which you can make individual settings for your vehicle. Press button è or ÿ repeatedly until the SETTINGS menu is seen in the display. Press the reset button again. The functions of all the submenus will reset to factory settings. Resetting all settings You can reset all the functions of all submenus to the factory settings. Press the reset button in the instrument cluster ( page 22) for approximately three seconds. In the display you will see the request to press the reset button again to confirm. i The settings you have changed will not be reset unless you confirm the action by pressing the reset button a second time. Approximately five seconds after pressing the reset button for the second time, the SETTINGS...menu reappears in the display. For safety reasons, the following functions are not reset while driving: the LIGHT CIRCUIT HEADLIGHT MODE function in the LIGHTING submenu the SETTINGS KEY-DEPENDENT function in the CONVENIENCE submenu 123