Mobile application for renting Mercedes Benz and Smart cars. Soc Com C. Santos, has a specialized rent a car able to secure the rental of Mercedes Benz and Smart vehicles at very affordable prices. We have ISO 9001:2000 Quality Certification. With 24 hour service, online reservations and payments, we provide optimized services in record time. Our location, just 200 m from the airport Francisco Sá Carneiro (Porto - Portugal) puts us in an area of excellence with ease and speed of access.