See also:

Tread wear
The tread wear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions on a specified U.S. government course. For example, a tire graded 150 would ...

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 1000 mile ...

Safety & Reliability
As of this writing, the Insurance Institute for Highway Safety has not yet crash-tested the GL-Class. Eight standard airbags include three-row side curtain airbags and seat-mounted side-impact air ...