Unlock the Secret How to Replace Your Mercedes Key Battery

In most cases, a key fob battery should last for at least three to four years. However, some key fob batteries may last for up to ten years before they need to ... Get key fob replacement and keyless entry replacement services in as little as 30 minutes at We Fix It located inside Batteries Plus stores. Get the Right Batteries: The newer Chrome SmartKey® requires one CR 2025 battery, while the older SmartKey® requires two. SmartKey® for Older Models ... 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. W220 Key Fob Battery replacement ; TX76513, 03-22-2010 | 04:57 PM ; Dee8go, 05-12-2010 | 09:14 PM ; Back to Forum · Reply to Thread ... Princeton area Mercedes-Benz drivers will find replacing the battery on a Mercedes-Benz key fob simple! Follow our Mercedes-Benz service center's easy step-by- ... The battery you need depends on your key fob model. Older SmartKey® models generally require two CR2025 batteries, while newer Chrome SmartKey® ... 30 votes, 46 comments. I replaced a key fob battery with a brand new Duracell CR2025 but I am still seeing the warning “Replace Key Battery” ... Choose the Proper Mercedes-Benz Key Fob Battery: The Chrome SmartKey® needs one CR2025 battery, while the older SmartKey® style requires two. Replacing the ... I just changed both key fob batteries (CR2025) as I got an alert and I didn't have to reset anything. MY2018 however. The OEM batteries were ...