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  1. Mercedes-Benz C-Class: How to Replace SmartKey Battery

    May 12, 2015 · This article applies to the Mercedes-Benz C-Class w204 (2007-2014). If your Mercedes-Benz C-Class is warning you that it's time to replace the battery in your key fob, here are easy-to …

  2. Mercedes Key Fob Not Linking After Battery Change? Help Guide

    After replacing the key fob battery, the remote may lose synchronization with the car’s receiver. To fix this, perform a reprogramming sequence: insert the key into the ignition, turn it to the 'On' position …

  3. How to Change Key Fob Battery for 2021 C300 - Expert Guide

    Customer: How do I change battery in my key fob for C300 Mercedes Mechanic's Assistant: I understand you need to change the battery in your key fob for your C300 Mercedes.

  4. Q&A: 2011 Mercedes GLK 350 Key Fob - Battery Replacement

    Customer: I have a 2011 Mercedes Benz GLK 350, and the key fob is not functioning. I replaced the battery, but when I press any of the buttons, only the unlock button lights up, and it works to unlock …

  5. Key FOB Not Working After Battery Change? Expert Help Guide

    Customer: I replaced the battery in my mercedes benz 2015 c300 key FOB and I still get a message saying, "replace battery".

  6. How to Open 2024 GLE Key Fob for Battery Replacement - Guide

    How do I open the key fob to replace the battery? 2024 GLE 350. Standard. Been getting a prompt to replace it for Mechanic's Assistant chat Customer: How do I open the key fob to replace the battery? …

  7. Replaced Key battery, warning still appears | Mercedes-Benz Forum

    Apr 17, 2018 · The message to change the battery in the key fob appeared about 6 months ago. So I did, I bought a brand new battery but the message came up the next time I used the key even though …

  8. R230 Key Fob Battery replacement | Mercedes-Benz Forum

    May 6, 2024 · Looked in the Freq Asked Questions - nothing. How do you replace the battery in the Key Fob?

  9. Mercedes-Benz C-Class: Why is My Key Fob Not Working?

    May 14, 2015 · This article applies to the Mercedes-Benz C-Class w204 (2007-2014). You go to start your car one day, but you get no response from your vehicle. Your first thought might be a dead car …

  10. Key fob battery replaced and now nothing works | Mercedes-Benz Forum

    Oct 27, 2020 · Operation of the key fob in the EIS (Electronic Ignition System - the box where the key goes) is done thru inductive power. There is an inductive coil in the EIS at the key fob opening and in …