Underinflated or overinflated tires
See also:
Interior
The M-Class seats five people on front buckets and a three-place split rear
seat that folds to expand cargo space to 81.2 cubic feet. An optional two-place
third-row seat increases passenger capac ...
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 ...
