When disposing of the snow, keep the shovel close to your body and, again, squat with your legs, Goitz says.

CNN: Shoveling snow? How to protect your back (and your heart)

MB's Active Body Control suspension system is standard on the SL550, and the degree to which ABC negates body pitch, roll and squat is almost eerie.

WSJ: 2013 Mercedes-Benz SL550 Review: The Beauty Is All on the Inside | Rumble Seat by Dan Neil