The was a legendary series of integral buses manufactured by Mercedes-Benz do Brasil between 1987 and 1996 . Known for its revolutionary "monobloco" (unibody) construction, it set new standards for safety, aerodynamics, and passenger comfort in South America. Key Series Overview
The O 371 family was categorized into road (coach) and urban models, each designed for specific operational needs: Features & Mechanics MONOBLOCO O371 1.45
The most powerful integral urban bus of its time (187hp), widely used in Curitiba. The was a legendary series of integral buses
Standard road version with spring suspension and a 230hp OM 355/5A engine. it set new standards for safety
Advanced coach with and a 291hp turbo engine. O 371 RSL
A heavy-duty version with a turbo-intercooler engine (326hp–360hp). O 371 U / UL