Treadwear indicators
Narrow bars (tread wear bars) that are distributed over the tire tread. If the tire tread is level with the bars, the wear limit of 1/16 in (1.6 mm) has been reached.
See also:
Overview of Tire Quality Grading Standards
The Uniform Tire Quality Grading is a U.S. Government requirement. Their purpose
is to provide drivers with consistent and reliable information regarding tire performance.
Tire manufacturers are ...
Opening and closing the sidewindows
1 Front left
2 Front right
3 Rear right
4 Rear left
The switches for all side windows are located
on the driver's door. There is also a switch on
each door for the corresponding side window.
...
Cleaning the headliner and carpets
Headliner: use a soft brush or a cleaning
agent recommended and approved by
Mercedes-Benz to remove heavy soiling.
Carpets: use the carpet and textile
cleaning agents recommended ...