Under the Hood

The ML350 carries a 232-hp, 3.7-liter V-6 engine, while the ML500 comes with a 288-hp, 5.0-liter V-8. Both models use a five-speed-automatic transmission with a manual shift gate. The permanently engaged four-wheel-drive system has a Low-range gear setting, and it distributes power among the four wheels as needed to maintain traction. Unlike its X5 and RX 330 rivals, Mercedes insists that the M-Class is a true offroad vehicle.

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    Cargo & Towing
    When properly equipped with the optional trailer hitch, the GLK350 is rated to tow up to 3,500 pounds. ...

    Headlamp cleaning system
    The headlamps are cleaned automatically if the "Wipe with washer fluid" function is operated ten times while the lights are on and the engine is running. ...

    Activating the HOLD function
    Make sure that the activation conditions are met. Depress the brake pedal. Quickly depress the brake pedal further until HOLD display 1 appears in the instrument cluster. The HOLD functi ...