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Tire ply composition and material used
Describes the number of plies or the number of layers of rubber-coated fabric in the tire tread and sidewall. These are made of steel, nylon, polyester and other materials. ...

2011 Mercedes-Benz GL-Class Review
Let's face it: If you're smitten by Mercedes' GL-Class full-size SUV, the recent run-up in prices at the pump probably rates somewhere between insignificant and unimportant in your car search. Wit ...

Seating & Cargo
The GL550's front seats have a litany of power adjustments, including adjustable stiffness for the side bolsters. Even with the bolsters and lumbar support dialed all the way back, the seats are t ...