See also:

Vehicle data, GL 350 BlueTEC
The data stated here refers specifically to a vehicle with standard equipment. Consult an authorized Mercedes-Benz Center for the data for all vehicle variants and trim levels. ...

Adjusting the lumbar support
You can adjust the contour of the front seats so as to provide optimum support for your back. Move adjustment lever 1 in the direction of the arrow until the desired backrest contour is ...

Adjusting the active multicontour seat
You can adjust the active multicontour seat using COMAND. If PRE-SAFE® has been activated, the air pressure in the air chambers (the side bolsters of the seat cushion and backrest) of the mu ...