How do you reset clock on a 2001 Mercedes c240?

To reset the clock on a 2001 Mercedes C240, first, turn the ignition to the "On" position without starting the engine. Then, locate the clock adjustment buttons on the dashboard; typically, there will be a "H" (hour) and "M" (minute) button. Press the "H" button to set the hour and the "M" button to set the minutes. Once the correct time is displayed, simply turn off the ignition, and the settings will be saved.