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

[DeAlina]

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.