See also:

Socket in the trunk
Lift up the cover of socket 1. ...

Notes on selecting, mounting and replacing tires
Only mount tires and wheels of the same type and make. Only mount tires of the correct size onto the wheels. After mounting new tires, run them in at moderate speeds for the first 60 miles ( ...

Assembling the ball coupling
Mercedes-Benz recommends that you have the ball coupling assembled at a qualified specialist workshop. Only a qualified specialist workshop has the necessary specialist knowledge and tool ...