“There is nothing more you could want or need in an SUV,” our former road test editor Scott Mortara said about the outgoing Mercedes-Benz GL when it won our 2013 Sport/Utility of the Year award. But is there room for improvement?
The renamed 2017 Mercedes-Benz GLS receives a retuned air suspension, a new ninespeed automatic, an 8-inch COMAND screen, and a redesigned interior. The midrange GLS550—other models include the GLS350d, GLS450, and range-topping AMG GLS63—has 449 hp, 20 more hp than its predecessor. Drivers can select up to six modes, including Comfort, Slippery, Sport, Individual, Off-Road, and Off-Road + for further customization.
Other than these changes, the GLS is a conservative update. Sure, you’ll find vestiges of the GL, including the numerical pad and the hodgepodge of buttons cluttering the…
