2004 Mercedes CLK-Class Owner's Manual - Page 139

Controls in detail Control system Should any malfunctions occur while driving, the number of malfunctions will reappear in the display when the SmartKey in the starter switch is turned to position 0 or removed from the starter switch. 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. Resetting all settings You can reset all the functions of all submenus to the factory settings. Press the reset button in the instrument cluster for approximately three seconds. In the display you will see the request to press the reset button again to confirm. Press the reset button again. The functions of all the submenus will reset to factory settings. i The message memory will be cleared when you turn the SmartKey in the starter switch to position 1 or 2. You will then only see high-priority malfunctions ( page 314). i The settings you have changed will not be reset unless you confirm the action by pressing the reset button a second time. After approximately five seconds, you will see the Settings...menu again. 139