How to Change the Battery in Your Mercedes-Benz Key Fob

man holding key fob

Does the battery of your Mercedes-Benz key fob seem to be dying? Are you wondering when to replace your Mercedes-Benz key fob battery? Discover the warning signs that indicate your Mercedes-Benz chrome key battery needs replacing, and the steps needed to replace it with Mercedes-Benz of Charleston. Feel free to contact our service team if you have any questions or need to schedule a service appointment.

When to Replace Your Mercedes-Benz Key Fob Battery?

If you think it might be time to change the battery in your Mercedes-Benz chrome key fob, there are a few warning signs that can confirm your suspicions. Initial warning signs to know when to replace your Mercedes-Benz key fob battery can include:

  • Your vehicle is more difficult to start. If your battery is getting low, it can take multiple attempts or up to a few minutes to get your vehicle going.
  • If you find you’re no longer able to lock or unlock your doors, and can’t set off the panic alarm, then it is time to try replacing your battery.
  • If an illuminated warning sign on your dashboard that indicates an issue with the charging system appears, that can mean you’re losing battery power in your Mercedes-Benz chrome key fob.

Once you experience any of these warning signs, it’s time to take the proactive step to change the battery in your Mercedes-Benz chrome key fob. This can prevent further issues when you’re on the go in Clarksburg.

How to Replace Your Mercedes-Benz Key Fob Battery

To change the battery in your Mercedes-Benz key fob, there are just a few simple steps you need to follow:

  • Determine Your Key Type: Whether you have a Mercedes-Benz Chrome Key or a SmartKey® will impact how the battery is changed.
  • Get the Right Batteries: You will need two CR 2025 batteries for the SmartKey®, while the newer Chrome Key only needs one.
  • SmartKey®: For the SmartKey®, pull the latch at the end of the key holder, stick your key horizontally into the open slot, and lift the battery compartment out to replace the batteries.
  • Chrome Key: When changing a Mercedes-Benz Chrome Key battery, pull on the tab at the bottom, push the key into the narrow end of the slot to remove the cover, and replace the battery.

Explore Mercedes-Benz Service Costs at Mercedes-Benz of Charleston

If you find yourself having some issues replacing the battery in your Mercedes-Benz key fob, visit the Mercedes-Benz of Charleston service center where one of our certified technicians can help you with all of your service needs. Browse our service specials before scheduling your appointment and get your vehicle up-to-date on auto service while you’re here.

Mercedes-Benz of Charleston 38.326558, -81.713262.