2011 Mercedes GL-Class Owner's Manual - Page 277
2011 Mercedes GL-Class Manual
Page 277 highlights
Stowage areas accessories and/or the objects attached to them could come loose from the vehicle, thereby injuring you and other persons and/ or causing damage to property, including damage to your vehicle. 275 ! Have a second person assist you when installing the crossbars. Otherwise, the vehicle could be damaged. ! Objects that are attached to crossbar system accessories must not limit or obstruct the movement of the sliding sunroof. Otherwise, the tilt/sliding sunroof could be damaged when it is raised. B Front crossbar C Rear crossbar D Recesses E Markings F Roof rails X Position front crossbar B between marks E on roof rails F. i There are marks E on the inner edge of the roof rail that are identified by white lines. : Key ; Protective cap = FRONT (or REAR) sticker ? Bolt for the clamping claw A Clamping claw The front and rear crossbars differ in length. For this reason, pay attention to FRONT or REAR sticker = on the crossbars. X X ? Bolt for the clamping claw A Clamping claw F Roof rails X Unlock protective cap ; using key :. Remove protective cap ;. Sticker = for identifying the installation location FRONT or REAR becomes visible. X Turn bolt ? counter-clockwise using the Allen key until clamping claw A is wide open. Ensure that clamping claw A sits flush against the inner edge of roof rail F. If necessary, adjust the span width of the crossbar (Y page 276). X Slightly tighten up bolts ? on both sides in a clockwise direction. X Position rear crossbar C on roof rails F so that the clamping claws engage in recesses D in the roof rails. Z Loading, stowing and features