In April 1958 she met Wolf Vostell in Guadalupe and married him in January 1959 in the Church of Santiago in Cáceres.

After their wedding, she moved to Cologne where she lived from 1959 to 1970 when they set up their residence in West Berlin.

[3] Mercedes Vostell and her husband founded the Museum Vostell Malpartida in 1976 in an old wool washing place in the natural area of Los Barruecos in Malpartida de Cáceres with the collaboration of the town hall and the mayor Juan José Lancho Moreno.

[4] She participated as artistic director, together with José Iges as musical director, in the staging of the opera FluxusThe garden of delights (El jardín de las delicias) composed by Wolf Vostell in 1982, performed at the Museo Vostell Malpartida during the art fair Forosur in 2012.

[5] In 1979 Vostell had a small role in the movie Ticket of No Return by Ulrike Ottinger.