How to Change the Battery in a Mercedes-Benz Key

When your Mercedes-Benz key fob battery is running low in Petaluma, you could schedule a trip to the service center, but, learning how to change the battery in a Mercedes-Benz key is an easy task that anyone can complete from home. All you need is the right parts and the right instructions. Read on to find out how to change the battery in a Mercedes-Benz Key like a pro, and get even more service tips from Mercedes-Benz of Santa Rosa!

Do I Need a New Mercedes-Benz Key Fob Battery?

Your Mercedes-Benz key fob battery will provide reliable power for years to come in Windsor, but all batteries must be replaced eventually. That’s why it’s a good idea to to learn the warning signs of a fading battery:

• Your car is more difficult to start. It might take several tries to get your vehicle running.
• You can’t lock or unlock the doors consistently.
• Your dashboard displays a warning sign that you have an issue with your charging system.

If you notice any of these symptoms on the Healdsburg roads, it’s worth your time to pick up a pack of batteries. It’s a small fix that will likely solve your issue for good. If not, be sure to schedule an appointment with our service department.

How Do I Replace the Battery Properly?

There are a few steps you’ll need to take to install the new battery, but luckily, the process takes only minutes.

• Find Your Key Type: Do you have a Chrome Key or a Smart Key? Check your owner’s manual if you’re not sure.
• Get Batteries: A Chrome Key needs one CR 2025 battery, but the Smart Key needs two CR 2025 batteries. Pick up your supplies at our parts department.
• Smart Key: If you have a Smart Key, you’ll need to pull the latch that’s located at the end of the key holder. Stick your key into the open slot, lift the battery compartment, and exchange the old for new battery.
• Chrome Key: If you have a Chrome Key, pull the tab at the bottom of the fob. Push the key into the narrow end to pop the cover off, and exchange the old for the new battery.

Get Expert Car Care with Mercedes-Benz of Santa Rosa

Whether you need a new Mercede-Benz key fob battery or you’re looking for a quote on another Mercedes-Benz service cost, contact us at Mercedes-Benz of Santa Rosa for all your automotive needs. Our team can help you bring out the very best in your car in Santa Rosa.