Daimler AG on Tuesday said it would book a $780 million windfall from selling its 4 percent stake in rival electric car maker Tesla Motors Inc. A cooperation agreement to supply Mercedes-Benz cars with Tesla battery technology will remain unaffected by the sale, Daimler CEO Dieter Zetsche said in a statement . The sale of Daimler's stake in Tesla will result in a cash inflow of around $780 million, boosting earnings before interest and taxes by a similar amount for 2014.