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What are the hidden functions of the Mercedes-Benz GLB200 key?

2 Answers

DeAlina

07/29/25 4:52pm

The hidden functions of the Mercedes-Benz GLB200 key include holding down the unlock button to raise or lower all windows. Currently, many car keys have the most basic hidden function of holding down the lock button to raise all windows, while holding down the unlock button can lower the driver and passenger windows or all windows. Models equipped with a sunroof also support holding down the lock button to close all windows and the sunroof. Basic buttons of the Mercedes-Benz GLB key: It has three buttons for locking the car, opening the trunk, and unlocking. Replacing the battery of the Mercedes-Benz GLB200 key: Gently press the small switch on the back of the key to remove the mechanical key. Press the back cover opening button on the back of the key, then remove the back cover. The old battery is located on the left side of the key; gently push to open the battery compartment. Remove the old battery, insert the new battery, and reassemble the key in the reverse order. During the battery replacement process, keep your hands dry to avoid causing internal components to rust.

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BentleyRose

08/14/25 6:41am

I just started driving a Mercedes-Benz GLB200, and the key has so many hidden functions! Press and hold the unlock button for about three seconds, and all the windows and sunroof will open, allowing you to ventilate the car before parking in summer—no more hot seats. When locking the car, press and hold the lock button to automatically close the windows and sunroof, so you won’t forget and risk getting rained on. There’s a separate button for the trunk—one click opens it, making grocery runs super convenient. There’s also a car-finder function: press the button, and the lights flash while the horn beeps, helping you locate your car instantly in a mall parking lot. If the key runs out of battery, a small side button pops out a mechanical key for emergency access. It’s very handy in daily use, but I recommend testing these functions monthly to avoid any hiccups at critical moments. These little details add so much fun to everyday driving!

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