![1970 Mercedes-Benz 300 SEL W109 (Manuals / 5 Gears) RWD [1966-1972]](https://i0.wp.com/i0.wp.com/autogalactic.al/wp-content/uploads/2026/01/abc-6503-0-medium.jpg?fit=1024%2C732&ssl=1&resize=360,270)
The 1970 Mercedes-Benz 300 SEL with 5-speed manual transmission represented the pinnacle of mechanical refinement for the W109 series with long wheelbase. This model used the state-of-the-art M130 E28 engine, a 2778 cm3 Bosch Mechanical Injection Gasoline unit, which produces 170 hp / 168 HP / 125 kW at 5750 engine rpm and a 240 Nm torque at 4500 rpm. This version was equipped with the rare ZF S5-20 gearbox, which thanks to the fifth gear “overdrive” allowed quieter and more economical journeys on the highway, while maintaining the maximum speed of 195 km/h . Like any real SEL, it offered the royal comfort of pneumatic (airborne) suspension and added space for rear passengers, making it one of the most desirable limousines of the time.