RG Prima Mercedes bonus

It seems like you're inquiring about a bonus related to "RG Prima Mercedes." However, your query is a bit unclear. "RG Prima" might refer to a specific entity, program, or promotion associated with Mercedes-Benz or another organization. If you could provide more context or specify what aspect of the "RG Prima Mercedes bonus" you are interested in (such as promotions, incentives, finance options, etc.), I'd be more than happy to assist you with that information!