Mercedes F1 will reveal its 2014 challenger at the first test of the season at Jerez.
The Brackley-based F1 squad declared via their twitter account to a fan said the car would be rolled out on January 28.
The morning of the first day of the test – and a team spokesman clarified to source that there would not be a launch prior to that date.
Even as, the top competitor Lotus has revealed that its E22 will not join the other outfits in the test that starts on January 28. Lotus need more development time for the E22.