Mercedes-Benz GL-Class: Setting the center air vents - Setting the air vents - Climate control - Mercedes-Benz GL-Class Owner's ManualMercedes-Benz GL-Class: Setting the center air vents

1 Center air vent, left

1 Center air vent, left
2 Center air vent, right
3 Center vent thumbwheel, right
4 Center vent thumbwheel, left

To open/close: turn thumbwheels 3 and 4 to the right or left.

    Important safety notes
    WARNING   When operating the climate control, the air that enters the passenger compartment through the air vents can be very hot or very cold (depending on the set temperature). This c ...

    Setting the side air vents
    ► To open/close: turn thumbwheel 3 to the left or right. Side window defroster vent 1 is never completely shut, even if side air vent 2 is shut. ...

    See also:

    Weatherstrips
    Apply silicone grease on weatherstrips to make them last longer, seal better, and not stick or squeak. See Recommended Fluids and Lubricants  . ...

    Engine Heater
    The engine coolant heater can provide easier starting and better fuel economy during engine warm-up in cold weather conditions at or below −18°C (0°F). Vehicles with an engine heater should ...

    Tail lamps with LEDs
    1 Rear fog lamp 2 Backup lamp ► Switch off the lights. ► Open the cargo compartment. ► Open the side trim panel. ► Turn the corresponding bulb holder counter-clockwise ...