Mercedes-Benz launches 'Timeless' Federer ads for U.S. Open by deeperkins | Aug 24, 2016 | Uncategorized As the U.S. Open tennis tournament nears, Mercedes-Benz is teaming with one of the game’s all-time greats in a humorous ad campaign. ‘Timeless’ features the Mercedes SL and Roger Federer — in multiple forms. Source: Auto Feed