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 ...

Folding the rear seat backrest forward
Fully insert the backrest head restraints (). Move the driver's or front-passenger seat forward if necessary. Pull left-hand or right-hand release handle 2 of the seat backrest forwards. ...

Service and literature
Your vehicle is covered under the terms of the warranties printed in the Service and Warranty Information booklet. Your authorized Mercedes-Benz Center will exchange or repair any defective pa ...