McLaren has refused to confirm whether or not the team will be ready for the opening pre-season test at Jerez later this month.

There are a number of reports that the squad's 2014 F1 car, the MP4-29, has failed certain mandatory crash tests, with Autosport claiming the Woking-based outfit is now in a 'race against time' to get its new car ready.

When asked about the situation by Crash.net, and if the rumours are correct, a McLaren spokesperson merely said: "At this time of the year it's normal for all teams to be pushing everything to the limit in an effort to extract the most performance, and crash tests are no different.

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"McLaren will pass all the tests prior to track running."

The team will have to pass all tests before running too, as rules brought in back in 2012 mean that this is now obligatory. Previously teams only had to pass the crash tests before competing in the first grand prix of the year.

The speculation about the MP4-29 comes after news this week that Ron Dennis has been re-appointed as McLaren Group CEO [see separate story - HERE]. He replaces Martin Whitmarsh, who for now at least, seemingly retains the team principal title, although after a troubled 2013, in which the squad failed to secure a single podium, his position is in doubt, with many touting former Mercedes man Ross Brawn as his replacement.

McLaren will conduct an online launch for the MP4-29 next Friday, January 24. The team is currently set to be the first to launch with the likes of Ferrari, Mercedes and Red Bull set to follow in the countdown to start of the Jerez test on January 28.