Blogf1.com claims the talks to bring Ratuken to McLaren in 2014 have not resulted in a deal.
Martin Whitmarsh: "There will be some new sponsors."
Nancy Knapp Schilke, F1 correspondent
Vodafone McLaren Mercedes
Since 2007, Vodafone and McLaren have formed one of the most successful partnerships in the history of motorsport.
McLaren’s first ever World Champion, Emerson Fittipaldi, is to write a regular blog column exclusively for the team's official website.
Marina Bay will be the setting for the night race,
Sergio Perez comments on his preparation for the 2013 season in his new ride with the McLaren Mercedes team.
Sergio Perez got his first taste of the new McLaren MP4 on the second day of preseason testing in Jerez.
Jenson Button comments on his new teammate and the new season as he enters his 4th year as a Vodafone McLaren Mercedes driver.
Jenson Buttton completes his second day of testing at Jerez, Sergio Perez returns for the final day tomorrow.
Vodafone McLaren Mercedes: “We need to give it our all on Saturday”