How to Replace the Battery in the Mercedes-Benz Key Fob

Is your Mercedes-Benz key fob battery losing power? You can rely on the experts at Mercedes-Benz of Wilmington to give you the facts on how to replace the battery in the Mercedes-Benz key fob. New Castle drivers don’t have to go very far for Mercedes-Benz maintenance. Our service team near West Chester, PA has the knowledge necessary to resolve any Mercedes-Benz problem. We’ll tell you how to change the battery in the Mercedes-Benz key, perform routine services, and diagnose major issues with your Mercedes-Benz vehicle.

When a Mercedes-Benz Key Fob Battery Needs Replacement

There are several warning signs you can look for when you think it might be time to change the battery in your Mercedes-Benz key fob. Initial warnings can include:

• You may notice your vehicle becomes more difficult to start. If it takes several minutes or multiple attempts, that can be an indicator of a low battery.
• If you lose the ability to lock and unlock your doors or set off the panic alarm, that can also be a sign your battery is on the way out. 
• If you notice a warning sign on your dashboard that indicates an issue with the charging system, that can mean you are losing battery power in your key fob. 

If you experience any of these warning signs, take the proactive step to change the battery in your Mercedes-Benz key fob to prevent further issues when on the road in New Castle. 

Replace Your Mercedes-Benz Key Fob Battery

When it comes time to change the battery in your Mercedes-Benz key fob, there are a few simple steps to follow: 

• Determine Your Key Type: Whether you have a newer Chrome SmartKey® or an older SmartKey®, the key type will impact how the batteries will need to be changed. 
• Get the Right Batteries: The newer Chrome SmartKey® calls for one CR 2025 battery, while the older SmartKey® calls for two.
• SmartKey® for Older Models: 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. 
• Chrome SmartKey® for Newer Models: Pull the tab at the bottom, remove the cover by pushing the key into the narrow end of the slot, then place the battery inside.

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

We’ve told you how to replace the battery in your Mercedes-Benz key fob. Do you have more questions about the Mercedes-Benz key fob battery? Mercedes-Benz of Wilmington would love to help you with any other problems your Newark vehicle may face. Schedule service with our Wilmington dealership, or check out our OEM parts specialists to help you find a replacement Mercedes-Benz key fob.