See also:

Setting the center vents in the rear compartment
ear-compartment air vent thumbwheel ear-compartment air vent, right ear-compartment air vent, left To open/close: turn thumbwheel 1 up or down. ...

The first 1000 miles (1500 km)
The more you look after the engine when it is new, the more satisfied you will be with its performance in the future.  - Drive at varying vehicle speeds and engine speeds for the first 100 ...

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. ...