Find rg prima model Mercedes

The term "rg prima model" in reference to Mercedes is not clear. It’s possible you might be referring to a specific model, trim, or feature that may not be widely recognized. Mercedes-Benz has a wide range of models and designations, such as the A-Class, C-Class, E-Class, S-Class, and various SUVs and performance models. If you have more details or can clarify what you mean by "rg prima," I would be happy to help you find the information you’re looking for!