How to Replace the Battery in an Older Mercedes GL500 Key?

[PaisleyFitz]

To replace the battery in an older Mercedes GL500 key, follow these steps: 1. Turn the key to its side and press the button with the key logo; 2. Eject the key and remove the mechanical key; 3. After removing the mechanical key, you will see a hidden button at the top—press it with a sharp object; 4. After pressing the button, the key will automatically split into two halves. Remove the old battery and replace it with a new one. The older Mercedes GL500 has body dimensions of 5146mm in length, 1982mm in width, and 1850mm in height, with a wheelbase of 3075mm. It is a 5-door, 7-seat SUV.