See also:

Seating & Cargo
The GL550's front seats have a litany of power adjustments, including adjustable stiffness for the side bolsters. Even with the bolsters and lumbar support dialed all the way back, the seats are t ...

Coolant
Important safety notes The coolant is a mixture of water and antifreeze/corrosion inhibitor. It performs the following tasks: • anti-corrosion protection • antifreeze protection • raising the bo ...

Back button
1 Back button To exit the menu: press back button 1 briefly. COMAND changes to the next higher menu level in the current operating mode. You can also exit a menu by sliding or the CO ...