Mercedes-Benz O305 is a rear-engined bus model built in West Germany between 1967 and 1987. The O305 was built as a successor of the O317 and was the Mercedes-Benz adaptation of the first so called "Standard-Linienbus" design, that was produced by many different German bus manufacturers. The articulated model was named O305G, the suburban model O307. Its successor was the Mercedes-Benz O405 respective the O407.