How to Replace the Battery in the New Mercedes-Benz GLB Key?

[Lukas]

To replace the battery in the new Mercedes-Benz GLB key, follow these steps: 1. Gently press the small switch on the back of the key to remove the mechanical key. 2. Press the key back cover release button on the back of the key and remove the back cover. 3. The old battery is located on the left side of the key; gently push to open the battery compartment. 4. Remove the old battery. 5. Insert the new battery, ensuring the "+" side faces upward. 6. Reassemble the key in reverse order. 7. Test the key functions, such as the lock button, to ensure they work properly. Important notes for battery replacement: 1. Using an unsuitable or non-compliant battery may damage the car key. When purchasing a new battery, pay attention to its voltage, size, and specifications. 2. To avoid key failure, minimize usage outside the effective range. 3. Ensure your hands are dry during the battery replacement process to prevent internal components from rusting.