See also:

Multifunction steering wheel
Multifunction steering wheel Function 1 Multifunction display 2 Audio system/COMAND; see the separate operating instructions 3 Switches on the Voice Control System; see the separate operating ...

Removing a wheel
Unscrew the wheel bolts. Do not place wheel bolts in sand or on a dirty surface. The bolt and wheel hub threads could otherwise be damaged when you screw them in. Remove the wheel. ...

Qualified specialist workshop
An authorized Mercedes-Benz Center is a qualified specialist workshop. It has the necessary specialist knowledge, tools and qualifications to correctly carry out the work required on your vehicle. ...