With the O 303, Mercedes-Benz presented a bus series that set new standards for comfort and safety in touring coaches in 1974. Beginning in 1980, rollover tests were performed with these buses, which eventually led to the development of the rigid body skeleton for buses and coaches. The O 303 also led the way in active safety: in 1981 it became the world’s first bus to be equipped with ABS.

• Cylinders V8
• Displacement 779 cu in
• Output 188 kW
• at engine speed 2500/min
• Top speed 77 mph
• Seats 56
• Production period 1974-1992
• Units produced 25778