How to Replace the Battery in a Mercedes Remote?

[EllianaFitz]

Mercedes remote battery replacement steps are as follows: 1. Pay attention to the car key battery model and select a new key battery according to the specified model. 2. From the tail of the key, push up the marked switch, and the hidden mechanical key will pop out and can be removed. 3. Use the just removed mechanical key to press against the marked position at the tail of the key, and with a slight force, the key shell can be opened. 4. After replacing the new battery, ensure the battery's positive and negative poles are not installed in reverse. 5. Insert the top of the shell first, then press firmly on the other end to complete the battery replacement. 6. Finally, reinsert the mechanical key.