Exterior & Styling

Particularly from the rear, the GL's appearance looks a bit like Mercedes' original M-Class. The 21-inch wheels, oversized grille and chrome running boards on my test car gave it a look similar to that of Mercedes' AMG performance cars — perhaps that was the intention, given that there is no AMG GL-Class — and should secure the car a front-row spot at most valet stands.

Less-expensive GLs have 18- or 19-inch wheels. An optional offroad package on the GL450 raises the air suspension to yield 12 inches of ground clearance — some 2 inches higher than a Hummer H2's. The package also has a two-speed transfer case and locking center and rear differentials.

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    High-beam headlamps
    •► To switch on the high-beam headlamps: turn the SmartKey in the ignition lock to position 2 or start the engine. •► Turn the light switch to or . •► Press the combination ...

    Menu overview
    The number of menus shown depends on the optional equipment in the vehicle. 1 Standard display menu • tire pressure loss warning system (Canada only) • tire pressure monitor (USA only) • ASSYS ...

    Engines and transmissions in detail: The SUV efficiency champion
    The third-generation M-Class sets a new benchmark in the SUV segment. The low fuel consumption figures and exemplary emissions figures are particularly impressive. Compared with the outgoing model ...