This season has been a big disappointment for the Austrian team. From 2010 to 2013 they won both the individual championship with Sebastian Vettel and the Constructors' Championship
Managed by Christian Horner and powered by Renault, it seemed like nobody would ever come near the dominants of Vettel and Red Bull. But, in 2014 their form faded massively and they found themselves behind the Mercedes-powered engines to the frustrations of Vettel, Ricciardo and Horner.
Vettel left to live out his boyhood dream of driving for Scuderia Ferrari, and that made room for Toro Rosso rookie Daniil Kvyat for the 2015 season. Since then, though, things has just been getting worse for Red Bul - and after the Australian Grand Prix, they threatened to leave the sport.
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Now it seems like the swansong is over. Red Bull advisor Helmut Marko has confirmed that the former world champions are now looking at other options.
"As far as we're concerned the matter of Mercedes is closed. The focus for us is now elsewhere," he was quoted as saying by Bild in Germany.
Mercedes' world champion driver Lewis Hamilton had told Sky Sports at Monza that he thought it would be unwise for the Anglo/German team to supply one of their biggest rivals.
"If we're serious about winning world championships, probably not," Hamilton replied when asked if his team should bail out Red Bull. "We're here to win so we don't really need it. There's no financial benefit really in it, so I think we're good where we are."
Christian Horner - the Red Bull team boss - was spotted in talks with Maurizio Arrivabene - his Ferrari counterpart - and F1 supremo Bernie Ecclestone at Monza, and the prospect of the teams becoming partners has gained significant traction after Arrivabene told reporters he would have no hesitation in supplying Horner's outfit.