See also:

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. ...

System self-test
After you have switched on the ignition, the system carries out a self-diagnosis. WARNING   A malfunction in the system has been detected if one of the following conditions occurs: • t ...

Switching the additional speedometer on or off
An additional digital speedometer can be shown in the multifunction display. Vehicles with a kilometer speedometer: the digital speedometer has mph units. Vehicles with a miles speedometer: the ...