See also:

Lowering the vehicle
► Place the ratchet wrench onto the hexagon nut of the jack so that the letters AB are visible. ► Turn the ratchet wrench until the vehicle is once again standing firmly on the gro ...

Cleaning the steering wheel and gear or selector lever
  Thoroughly wipe with a damp cloth or use leather care agents that have been recommended and approved by Mercedes- Benz. ...

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