How to Replace a Dead Battery in a Mercedes Car Key?

[MacErin]

To replace a dead battery in a Mercedes car key, follow these steps: 1. Flip the key to the back and push the button to pull out the mechanical key; 2. Use a flat-head screwdriver to pry open the gap at the tail of the key to open the key shell; 3. Remove the old battery and replace it with a new one; 4. After confirming the battery is properly installed, close the shell and reinsert the mechanical key. Mercedes-Benz models include: Mercedes GLS, Mercedes GLE, Mercedes GLC, Mercedes GLA, Mercedes CLA, etc. Taking the 2021 Mercedes GLS as an example, it is a mid-to-large-sized car with body dimensions of length 5214mm, width 1956mm, height 1823mm, and a wheelbase of 3135mm.