How to Replace the Key Battery for the New Mercedes-Benz GLS Class?

[VonAnderson]

Here are the steps to replace the battery for the Mercedes-Benz GLS key: 1. First, remove the mechanical key from the smart key. It is the L-shaped key. 2. At the top of the smart key, there is a deep slot and a shallow slot. 3. Use the L-shaped key to press into the shallow slot of the smart key until it reaches the bottom. The back cover of the smart key will then pop open automatically. 4. Remove the old battery, install the new large button battery, reattach the back cover, and reinsert the mechanical key to complete the process. Here are some precautions when replacing the Mercedes-Benz GLS key battery: 1. Do not touch the circuit board or battery terminals. 2. When replacing the battery, ensure there is no dirt, grease, or other foreign matter on the electrode contacts. 3. After replacing the battery, check to ensure all functions of the smart key are working properly.