After being introduced last year, the GL-Class returns with an expanded line-up. Joining the GL450 and GL320 CDI is the more powerful GL550. This top end trim is equipped with a 5.5L V8 engine that boasts 382 horsepower and 391 lb-ft of torque. Other GL550 exclusives include a new grill, fender flares, and 21-inch wheels. Standard across the board include a sunroof, COMAND System, and a seven passenger seating capacity with a power folding third-row seat. A rear view back up camera, a powered liftgate release, and a keyless go engine start are all available as options. The optional Entertainment package includes hands-free communication system, rear audio controls, SIRIUS Satellite radio, and a Harman/Kardon sound system.