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:
Please bear the following in mind
Resetting the service interval display A qualified specialist workshop, e.g.
an authorized Mercedes-Benz Center, will reset the service interval display after
the necessary service work has been c ...
Servicing the brakes
If the red brake warning lamp lights up in
the instrument cluster and you hear a
warning tone while the engine is running,
the brake fluid level may be too low.
Observe additional warning messa ...
Aspect ratio
Relationship between tire height and tire
width in percent. ...