Stuttgart, Sep 5, 2019 - International Motor Show in September 1969 in Frankfurt am Main: Mercedes-Benz presented not one, but three luxury vehicles with the new M 116 V8 engine with 3.5 litres of displacement rated to 147 kW (200 hp): the 300 SEL 3.5 (W 109), 280 SE 3.5 Cabriolet and 280 SE 3.5 Coupé (W 111).