The New Genuine Mercedes-Benz Key Fob Battery CR2032 OE 00000000200864 is a direct replacement battery for Mercedes-Benz key fobs. It is a genuine OEM part with a lifetime warranty, ensuring long-lasting performance and compatibility with your vehicle. The manufacturer part number is 000000-002008-64, and it is designed specifically to fit Mercedes-Benz key fobs. Upgrade your remote entry system with this high-quality battery for peace of mind and secure access to your vehicle.