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

Mercedes-Benz Key Fob on Table

Does it take five clicks of the lock button to lock or unlock your vehicle? It might be time to replace the battery in your Mercedes-Benz key fob. Let the experts at Mercedes-Benz of New Rochelle fix your key fob issues. We’ll go over how to replace your key fob yourself and what to look for when your fob is losing battery..

What are the Warning Signs Your Key Fob Battery Needs Replacement?

There are various signs that your Mercedes-Benz key fob is losing battery. Let’s go over some of the most common thing to look out for:

  • If it takes multiple attempts to start your vehicle, the battery in your key fob may need to be replaced. 
  • If you’re having trouble either locking, unlocking, or setting off the alarm on your vehicle, it could mean the battery may need to be replaced. 
  • You could also receive an alert on the dashboard letting you know that there is an issue with the charging system, and may need to replace the battery.

It’s best to take action as soon as you notice any issues with the battery in your Mercedes-Benz key fob. This will prevent any further issues when cruising through the streets of Larchmont.

How to Replace Your Mercedes Key Fob Battery

There are a few easy steps you can take to change your Mercedes key fob battery. Let’s go over these steps in detail:

  • Determine Your Key Type: There are two main types of keys associated with Mercedes-Benz vehicles, the Chrome SmartKey® or an older SmartKey®.
  • Get the Right Batteries: If you have the newer Chrome SmartKey®, you will only need one CR 2025 battery, where the SmartKey® on older models require two.
  • SmartKey® for Older Models: If you have the older SmartKey® models, you have to pull the latch at the end of the key, push it horizontally into the slot, and take the battery out.
  • Chrome SmartKey® for Newer Models: If you have the newer Chrome SmartKey®, you just pull the tab at the base of the key, push the narrow end of the slot to remove the cover, and insert the battery.

Learn More About Mercedes-Benz Service at Mercedes-Benz of New Rochelle

If you still aren’t sure about how to change the battery in Mercedes key, you can reach out to the trusted experts at New Rochelle. Our service center can help you replace your battery or anything else you may need. If you have questions about Mercedes-Benz service cost or are interested in any of our service specials, feel free to contact us anytime!

More from Mercedes-Benz of New Rochelle

  • 2021 Mercedes-Benz GLC Interior

    Luxury and technological advancement meet at your fingertips in the all new Mercedes-Benz GLC interior. At Mercedes-Benz of New Rochelle you can see the Mercedes-Benz GLC, with 56.5 cubic feet of storage space, and room for up to 5 adult passengers, you will discover comfort here. Driving around Larchmont is reaching a new level with the 2021 Mercedes-Benz…

  • 2021 Mercedes-Benz GLE Configurations

    The 2021 Mercedes-Benz GLE is a luxury vehicle that offers Larchmont families advanced technologies, premium amenities, and convenience features that keep you connected and protected while on the roads. With six available GLE trim levels, car shoppers won’t have any trouble finding the configuration that’s best suited for their driving needs and budget. Learn more…

  • 2021 Mercedes-Benz E-Class Interior

    Mercedes-Benz vehicles are known for their luxury interiors and opulent amenities, and the latest E-Class is no exception. The E-Class interior is packed to the brim with comfort and convenience features designed to elevate your daily drive in Larchmont. What’s more? The Mercedes-Benz E-Class dimensions reveal a sedan with ample space for passengers, so all…

Saved Vehicles

SAVED VEHICLES

You don't have any saved vehicles!

Look for this link on your favorites:

Save

Once you've saved some vehicles, you can view them here at any time.

Contact Us

914-315-7624

Call Now

77 E Main Street • New Rochelle, NY 10801

Get Directions

Today's Hours:

Mercedes-Benz of New Rochelle 40.9189636, -73.7673672.