How do you reset your 06 cls clock?

To reset the clock in a 2006 Mercedes-Benz CLS, first turn the ignition to the "On" position without starting the engine. Then, locate the clock button on the dashboard or the command system. Press and hold the button until the time display begins to blink, then use the buttons for hours and minutes to set the correct time. Finally, press the clock button again to save your settings.