Mercedes-Benz Group Services Madrid | 78,168 followers on LinkedIn. Mercedes-Benz Group Services Madrid (MBGSM) is a Mercedes-Benz AG company. As a center of competence, we offer different services to Mercedes-Benz AG companies: as Finance and Accounting experts, Controlling Services, SAP Consultants, IT Security, BI and Big Data solutions, etc. Our customers are placed mainly in Europe but we have projects all over the world.