B250e Key Fob Battery
August 19, 2019 / 72 views / Key Fob

Replace Key Fob Battery 2015 MBZ B250e

The 2015 Mercedes Benz B250e has a warning “replace battery” on the key fob. I took out the battery and sure enough, it’s measured 2.99V instead of 3.3V as a new one. Yes, with 2.99V, the car still drives. The battery size is CR2025. I got 10 LICB batteries from Amazon for $6. The battery […]