Global Motorsport Media
McLaren has become the latest team to reveal details about the launch of its 2012 car.
"The MP4-27 will break cover on Wednesday February 1 2012," Woking based McLaren said on Monday.
The Mercedes powered team said the launch location will be announced "after the new year".
"The MP4-27 will test for the first time at Jerez on February 7-9," McLaren added.
Mercedes' new car, the W02, will not be tested until the second test, set to take place in Barcelona two weeks after the Jerez session.