2010 Mercedes GL-Class Owner's Manual - Page 90

88 Seats backrest could fold. The child seat would no longer be properly supported or positioned to provide its intended benefit. Head restraint height G Warning! With a rear seat occupied, make sure to move the respective head restraint up from the lowest non-use position and have the occupant adjust the head restraint properly. For your protection, drive only with properly positioned head restraints. Adjust the head restraint so that it is as close to the head as possible and the center of the head restraint supports the back of the head at eye level. This will reduce the potential for injury to the head and neck in the event of an accident or similar situation. Seat backrest tilt (second-row seats) G Warning! Controls in detail The seat belt only offers its intended protection when the seat backrest is in a nearly vertical position and the occupant is sitting upright. Avoid sitting in positions that prevent the seat belt from being properly positioned against the body. You should therefore adjust the seat backrest to a position as upright as possible. The seat backrest tilt can be set to five different positions. Second-row seat head restraint X While seated, pull adjustment handle : in direction of arrow to resistance point and hold it there. X To move seat backrest back, lean lightly against the seat backrest. X To move seat backrest forward, lean forward with adjustment handle : pulled and held at resistance point. The seat backrest will move forward against your back. X Release adjustment handle : when the seat backrest has reached the desired position. To make sure the seat backrest has engaged, lean firmly against the seat backrest. X Raising: Manually adjust the height of head restraint : by pulling it upward to the desired position. X Lowering: Push release button ; and press down on head restraint :. i The third-row seat head restraints are adjusted in the same manner.