Exterior

Measuring an inch shorter than the BMW X5 and 3.6 inches shorter than the RX 330, the four-door M-Class is 182.6 inches long overall and rides on a 111-inch wheelbase. At 71.7 inches tall, the M-Class is 5.6 inches taller than the RX 330. M-Class models have a one-piece liftgate at the rear and 17-inch tires. Xenon high-intensity-discharge headlights and a power sunroof are available.

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    Safety
    Typical of full-size luxury cars, the CL-Class hasn't been crash-tested by the Insurance Institute for Highway Safety, but it does have a boatload of safety features. There are nine airbags, inclu ...

    Cabin Quality
    If the cockpit in a Cadillac Escalade or Infiniti QX56 feels like a roomy lounge, the GL550's cabin is eminently more carlike. Don't expect massive armrests and a tall dashboard — rather, the wrap ...

    SAFETY
    This is where I get back to overlooking those interior quirks because I'm so impressed by the R350's safety features. All of the seat belts in the second and third rows were easy for newbies to op ...