See also:

Socket in the glove box
Open the glove box. Lift up the cover of socket 1. ...

Low-beam headlamps (halogen headlamps)
- Remove the cover in the front wheel arch. - Turn housing cover 1 counter-clockwise and pull it out. - Turn bulb holder 2 counter-clockwise and pull it out. - Take the bulb out of bulb holde ...

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" ...