Jan.17 (GMM) Two F1 teams on Thursday announced forthcoming car launch dates for their respective 2013 cars.

Mercedes GP
Mercedes GP

Photo by: XPB Images

Both Mercedes and Toro Rosso announced separately that their new single seaters, the W04 and STR8 respectively, will be unveiled at Jerez on February 4; the day before the Spanish circuit's hosting of the first winter test.

It will likely be Lewis Hamilton's high-profile first official appearance for Mercedes since ending his long McLaren tenure.