This genuine OEM control module is compatible with various Mercedes-Benz models, including R230 SL500 SL600 SL55 SL65 AMG, W215 CL500 CL600 CL55 CL65 AMG, and W220 S350 S430 S500 S600 S55 S65 AMG. It is designed to control the voice command feature and is an original Mercedes-Benz part, with OE/OEM part numbers A2208202185 and A2208204785. The module comes with features such as OEM and is perfect for those looking for a reliable replacement part.