(Bloomberg) — Daimler AG will slash its stake in the Denza electric-car joint venture with China’s BYD Auto Industry Co. following years of weak sales for the brand. BYD will own 90% of the business and Daimler 10% after an equity transfer the companies plan to complete in mid-2022, the Mercedes-Benz maker said Friday. The 50-50 joint venture was started in March 2012. “Daimler and BYD remain dedicated to their successful long-term partnership,” Daimler said in a statement. The Denza brand will introduce new models next year and “seek further growth opportunities.” Tepid demand for Denza cars and the venture’s…