See also:

Folding the exterior mirrors in or out electrically
Make sure that the SmartKey is in position 1 or 2 in the ignition lock. Briefly press button 1. Both exterior mirrors fold in or out. Make sure that the exterior mirrors are always fol ...

Locking and unlocking centrally
The SmartKey centrally locks/unlocks: - the doors - the trunk lid/tailgate - the fuel filler flap When unlocking, the turn signals flash once. When locking, they flash three times When ...

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 ...