Not compatible with any 1995-2016 Mercedes-Benz key fobsOriginal Battery as Provided by Manufacturer. Compatible with all 2022-2024 Mercedes-Benz (MB) key fobs (excluding Metris). Also compatible with some 2017-2021 Mercedes key fobs however your fob must closely match one of the provided examples in the compatibility guidePLEASE NOTE: Keyless entry remote fob not included.Avoid a service appointment by replacing your keyless entry remote fob battery yourself. Detailed easy-to-follow video provided to demonstrate the battery change process. (without scratching or damaging your remote case)Easy to Install : Avoid a Service Appointment for Battery Replacement , Battery replacement is simple and remote reprogramming is not required. Dual purpose opening tool included to help open the remote (without scratching or damaging your remote case) and to remove the battery.Includes step-by-step installation videos - contains detailed instructional videos (via the link on the product packaging) that demonstrate the battery replacement process.