Kevin Magnussen replaced Pérez for , and Ron Dennis, who had remained at arm's length since stepping down from the team principal role, returned as CEO of the operation. McLaren were the first team to officially launch their 2014 car, the MP4-29, which was revealed on 24 January 2014. They had a largely unsuccessful 2014; their best result was in Australia where – after Daniel Ricciardo's disqualification from second place – Magnussen finished second and Button third. Button subsequently finished fourth in Canada, Britain, and Russia. Their highest grid position was in Britain with Button's third place on the grid.