See also:

Tire tread
WARNING Although the applicable federal motor vehicle safety laws consider a tire to be worn when the tread wear indicators (TWI) become visible at approximately 1/16 in (1.6 mm), we recomm ...

Please bear the following in mind
At the onset of winter, have your vehicle winterproofed at a qualified specialist workshop, e.g. at an authorized Mercedes- Benz Center. Observe the notes in the "Changing a wheel" ...

Warning and indicator lamps
High-beam headlamps ESP® OFF Low-beam headlamps Turn signal ESP® Turn signal ear fog lamp Tire pressure monitor (USA only) SRS ABS Seat belt Front fog lamps Coolant Brak ...