Ilmor had developed a good name in F1. When the Sauber sportscar-team and Mercedes-Benz were planning to enter Formula One together, they made a deal with Ilmor. However, Ilmor deceided not to put the slogan "Concept by Mercedes-Benz" on the engines. Since the engines were officially called Ilmor, Mercedes backed out of the project with Ilmor. 