The GL-Class is a larger luxury SUV from Mercedes-Benz. With three rows of seating and larger dimensions, the GL slots above the M-Class in the burgeoning Mercedes lineup. The lineup includes three all-wheel-drive models with alphanumeric designations corresponding to their powertrain. The GL450 is powered by a 335-bhp V8 engine. The GL550 equips a larger displacement V8 that adds about 50 horsepower. The GL line also includes a diesel model, the GL350 BlueTec. In terms of legroom and cargo volume, the GL-Class is on par with other vehicles segment. The GL-Class is premium priced from $62,000.