CR2025

Key Fob Batteries

| May 8, 2026 | 7 views
B250e Key Fob Battery

Every car maker, model, has its own battery for its key fob therefore I had to buy so many spare batteries. Below is the list of all the batteries for all the cars and models I’ve owned and had to replace along the way. 1. 2019 VW e-Golf: CR2025 – 3V. 2. 2015 Mercedes B250e: …

Replace Key Fob Battery 2015 MBZ B250e

| August 19, 2019 | 483 views
B250e Key Fob Battery

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 …