Setting the side air vents

•► To open/close: turn thumbwheel 3 up or

•► To open/close: turn thumbwheel 3 up or down.

Side window defroster vent 1 is never completely shut, even if side air vent 2 is shut.

    See also:

    Vehicle data, GL 550
    The data stated here refers specifically to a vehicle with standard equipment. Consult an authorized Mercedes-Benz Center for the data for all vehicle variants and trim levels. ...

    Belt height adjustment
    You can adjust the seat belt height on the driver's seat and the front-passenger seat. Adjust the height so that the upper part of the seat belt is routed across the center of your shoulder. ...

    Opening
    •► Switch off the engine. •► Remove the SmartKey from the ignition lock. KEYLESS-GO: open the driver’s door. This switches the ignition to position 0, which corresponds to having r ...

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