The Kona's suspension irons out smaller imperfections and takes the edges off just about any bump. But over larger bumps, the Kona tends to be busy and bouncy. Road noise is a bit intrusive, too, but that's not uncommon for the class. The Kona's front seats are well-shaped and pretty supportive, with plenty of adjustability. The available leather upholstery is stiff, and the cushions are noticeably firm. In back, the seats are flat and broad but not too upright. The climate control struggles a bit to cool the entire cabin when it's sweltering outside. But the rest of the time it's effective at keeping you comfortable. Learn more