Mercedes Jones is a fictional character from the Fox popular musical comedy-drama series Glee. The character is portrayed by actress Amber Riley, and has appeared in Glee from its pilot episode, first broadcast on May 19, 2009. Mercedes was developed by Glee creators Ryan Murphy, Brad Falchuk and Ian Brennan. She is a dynamic diva-in-training who refuses to sing back-up, and is a member of the glee club at the fictional William McKinley High School in Lima, Ohio.