Everything has been thrown at the 2013 Mercedes ... SUV, it is the added 125 lb-ft of peak torque that truly make themselves felt, in terms of off-the-line performance and the ability of the GL550 ...

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The 2015 Mercedes-Benz GL has engaging performance and a refined ... If you're considering a higher trim, we suggest the GL 550. Not only does it have a brawny 429-horsepower twin-turbocharged ...

The 2008 GL-Class is the large basketball-team-sized SUV in the Mercedes-Benz stable ... But if even that's not enough, the GL550 kicks out 382 horses to drive its massive 21-inch aluminum wheels, and ...