Mercedes explains Hamilton's Singapore failure

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Mercedes' executive director Toto Wolff has revealed Lewis Hamilton's retirement from the Singapore Grand Prix was caused by a turbo boost leak.

Hamilton was running competitively in fourth place when he reported a loss of power and started dropping back through the field. Mercedes attempted to resolve the problem during the race but eventually retired Hamilton's car after a number of laps running off the pace.

Wolff explained after the race that a small part had failed which caused a much bigger problem.

"We had a very minor bit – a metal clamp – that broke and had a massive effect," Wolff said. "The clamp was holding the plenum together and when it jumped off it caused boost leak. It was a freak thing. We have run the design for a long time and it was a typical metal clamp and it just broke."

However, when asked if Hamilton would need a new power unit as a result, Wolff replied: "Lewis’s engine shouldn’t have any problems."

Hamilton felt win was possible before failure

REPORT: Vettel takes third win as Hamilton retires in Singapore

AS IT HAPPENED: 2015 Singapore Grand Prix

Click here for some of the most memorable crashes at Singapore

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