Schlesser participated in the 1966 German Grand Prix at the Nürburgring with a Formula Two (F2) specification Matra MS5-BRM 1.0 litre and again in 1967 at the same venue with an F2 Matra MS5-Cosworth 1.6 litre.
Schlesser participou no Gran Premio de Alemaña de 1966 en Nürburgring cun Matra MS5-BRM 1.0 litro cunha especificación de Fórmula 2 (F2) e outra vez en 1967 no mesmo sitio cun F2 Matra MS5 - Cosworth 1,6 litros.