See also:

Changing the windshield wiper blades
Removing the wiper blades - Remove the SmartKey from the ignition lock. - Fold the wiper arm away from the windshield. - Firmly press release knob 1 and pull the wiper blade upwards from th ...

Please bear the following in mind
At the onset of winter, have your vehicle winterproofed at a qualified specialist workshop, e.g. at an authorized Mercedes- Benz Center. Observe the notes in the "Changing a wheel" ...

Defrosting the windshield
You can use this function to defrost the windshield or to defrost the inside of the windshield and the side windows. You should only select the defrosting function until the windshield is clear ...