Mercedes Keyless Entry Battery Woes? We've Got the Fix

In this article, we'll teach you how to change the battery in your Mercedes' key fob and discuss other relevant topics that can help you. Use your spare and hold off on the "MB certified battery". Bet it's filled with MB magic that makes it work. :D. :mblogo:2015 Cla250 Non ... Discover the warning signs of a dying battery and the steps to take to replace your battery with Mercedes-Benz of North Olmsted. Replacing the Newer Chrome SmartKey®: For the newer style of Chrome SmartKey®, simply pull the tab at the bottom of the fob, remove the casing by pushing the ... I don't know if the battery was the issue or if they corrected some software issue during their diagnostics. I would make sure you put a fresh, ... And it's actually pretty easy. So I'm going to flip the key fob around and I'm going to slide this little black piece to the left. And that will ... Also, remember that the SmartKey fobs and older Chrome Keys require two CR2025 batteries, while the newer Chrome Key only takes one. If you aren ... There are a few steps you'll need to take to install the new battery, but luckily, the process takes only minutes. Do we all change our own Key Fob batteries? Or go to the dealer? Follow the steps below to change the battery in your Mercedes-Benz key fob and avoid more problems down the road.