The ML- and GL-class SUVs get a new V-8 for 2008. Displacement goes from 5.0 liters to 5.5. AMG body styling comes along for the ride.
GL-class is expanded this year with the addition of the GL550.
Mercedes-Benz claims that the engine will allow the GL420 Bluetec to achieve a combined 24 miles per gallon and to drive as far as 600 miles on one tank of diesel fuel.