How To Change Battery For Mercedes Key Fob. To replace the battery in your key fob pull the latch at the end of the key holder push your key horizontally into the open slot and then lift the battery out of the compartment. These videos will show how to change the battery on different Mercedes-Benz Key Fob Remotes.
Put your key horizontally into the open slot. Whether you have a newer Chrome SmartKey or an older SmartKey the key type will impact how the batteries will need to. How do you change the battery in Mercedes Benz key.
Replace the existing CR 2025 batteries with two new ones.
Now remove the key fob cover by pushing the key into the narrow end of the slot and remove the battery. Now remove the key fob cover by pushing the key into the narrow end of the slot and remove the battery. After the key releases there will be a visible slot at the end of the key fob. How to program Mercedes key fob.
