Elevate Your Mercedes Replace the Key Battery for Unparalleled Performance

Take out the emergency key (the part which attaches the fob to your key ring) by sliding the clip to one side. Turn the emergency key over in your hand and ... The first thing you'll need to do is determine whether you have a Chrome Key or a Smart Key. This will impact how the batteries are changed. Simply refer to our guide below for more information on when a Mercedes-Benz key battery needs to be changed and how it's done. Our professional Mercedes-Benz service experts will help you get a new battery and fix any other issues with your pre-owned vehicle. Learning how to change the battery in your Mercedes-Benz key only takes a moment, and we can even take care of the problem for you, at our service center in ... If you notice your key fob becoming less responsive or requiring closer proximity to your vehicle, it's a strong indicator that battery replacement is in order. You will need to pull out the latch located at the end of the unit. Insert your key into the slot that you have now accessed. You can replace the old batteries ... Begin by locating the spring-loaded latch on your key fob to access the battery cover; a flathead screwdriver may be needed to gently pry it open. Here's how you replace their batteries: Triangle Panic Button Look at the bottom of your fob and pull on the black tab. This will release the key from inside ... Read our guide below for the signs your key battery is dying, and learn how to change the battery in a Mercedes-Benz key fob — whether you take the DIY approach ...