See also:

Lights
Switching the daytime running lamps on/off This function is not available in Canada. If you have activated the Daytime Running Lights: function and the light switch is in the or position, the ...

Attaching the roof carrier
Secure the roof carrier to the roof rails. Observe the manufacturer's installation instructions. ...

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" ...