Replacing the battery in a Mercedes Benz key is a simple process that can be completed in a few minutes. A new battery will ensure that your key fob is functioning properly and that you can continue to use your Mercedes Benz without any issues.
There are a few different types of Mercedes Benz keys, so the specific steps for replacing the battery may vary slightly. However, the general process is the same. Here are the steps on how to replace Mercedes Benz key battery: