In 1964 this was replaced with the all - new 210 PS ( 154 kW ) OM 346 direct injection diesel , an engine that ran smoother .
Was more durable ( after some early problems ) .
In 1964 this was replaced with the all - new 210 PS ( 154 kW ) OM 346 direct injection diesel , an engine that ran smoother and was more durable ( after some early problems ) .