How to Change the Battery in Your Mercedes Key Fob

November 12th, 2018 by

Mercedes-Benz key fob
 
Is your Mercedes-Benz key fob about to die? There’s no need to worry. Mercedes-Benz of Greenwich is here to teach you the low battery warning signs to watch out for, as well as how to change the battery in your Mercedes-Benz key fob. Use our handy Mercedes-Benz key fob replacement guide, and contact our Greenwich service center at Call service Phone Number(866) 285-4034 if you need any help along the way!
 

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When is Mercedes-Benz Key Battery Replacement Necessary?

There are several key warning signs that indicate a need for Mercedes-Benz key battery replacement. These include:

  • Your vehicle becomes more difficult to start. If it takes several minutes to turn on or multiple tries to start, your key fob may have a low battery.
  • You can’t lock/unlock the doors or employ the panic alarm.
  • Your dashboard shows a warning sign that shows an issue with the charging system.

If any of these Mercedes-Benz low battery warning signs occur, it’s a good idea to be proactive and change the battery in your Mercedes-Benz key fob to avoid any issues on your Rye drive.
 

How to Replace the Battery on a Mercedes-Benz Key Fob: A Step-by-Step Guide

Is it time to replace the battery in your Mercedes-Benz key fob? We’ll take you through the whole process, step-by-step:

  1. Determine Key Type
    • Check if you have a Chrome Key or a SmartKey® — this will factor into changing the battery.
      • Most older Mercedes-Benz models are paired with a SmartKey®. Unlike the Chrome Key, it is cased in plastic.
      • If your Mercedes-Benz key fob is cased in metal, it’s a Chrome Key! To determine if your Chrome key is old or new, take a look at the panic button. Is it circular (old) or triangular (new)?
  2. Choose the Right Batteries
    • A SmartKey® requires two CR 2025 batteries, and the older Chrome Key does too.
    • The newer Chrome Key only requires one.
  3. SmartKey® Battery Replacement Steps
    • In order to change your SmartKey® battery:
      • Pull the latch at the end of the key holder.
      • Put your key horizontally into the open slot.
      • Take the battery compartment out.
      • Replace the existing CR 2025 batteries with two new ones.
  4. Chrome Key Battery Replacement Steps
    • In order to change your Chrome Key battery:
      • Pull on the tab at the bottom of the fob.
      • Push the key into the narrow end of the slot to remove the cover.
      • Then simply replace the battery with a new CR 2025.

If you have any questions at all when you try to change the battery in your key fob, you can always contact our service center online or give us a call at (866) 285-4034. Although it’s not especially difficult to learn how to change the battery in your Mercedes-Benz key fob, it’s even easier to schedule a Mercedes-Benz key fob battery replacement service at Mercedes-Benz of Greenwich.
 

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

If you need any assistance while replacing your battery or have any Mercedes-Benz service questions, such as “Why is my steering wheel shaking,” our service center can cover your service needs for reasonable prices. Contact us with any questions you have, and be sure to check out our service specials before driving in from Stamford or New Canaan for your next appointment!
 

Schedule a Service Appointment with Mercedes-Benz of Greenwich

 

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**Complimentary valet service to and from train station. Mercedes-Benz of Greenwich service department offers a shuttle service to and from the Greenwich Metro train station our shuttle service will drop you off starting at 7:00 AM and our last pick-up in the evening at 8:00 PM. Contact your Service Advisor for more information.
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