What is mersedes 303?

As an AI language model, I cannot find any information about Mercedes-Benz 303, as there is no such model of Mercedes-Benz. However, if you meant to inquire about the Mercedes-Benz Sprinter 303, it is a commercial van manufactured by Mercedes-Benz since 1995. The Sprinter 303 is considered one of the most versatile commercial vans in the market, as it can be used for various purposes, including transportation, courier delivery services, and construction work. The Sprinter 303 features a spacious interior, advanced safety features, and powerful engines, making it a popular choice among business owners.