Mercedes are sure they will not compromise development on the all-new 2014 regulations in a bid to challenge for the 2013 title.
After a great win in Hungary, the charge was halted in Belgium as Sebastian Vettel took a commanding win at Spa, and the team has claimed it is not looking at winning the championship this year.
Indeed, director Toto Wolff believes the team should focus on the 2014 car when new engine formulas and aerodynamic regulations comes into effect, though Lewis Hamilton was more positive after claiming pole in Spa on Saturday.
"I think there's several different people that have different opinions about it," Hamilton said in the post-qualifying press conference.
Though it would appear team boss Ross Brawn is also leaning towards the opinion of Wolff.
"We're not thinking in terms of winning a championship (in 2013)," he is quoted by Sky.
Indeed Brawn said it would take something "unusual" for Vettel not to claim a fourth consecutive world championship.
"Obviously I don't want that to sound like we don't want to win the championship, of course we do, but we're not compromising our 2014 program," he added.
Brawn admitted that some development would continue but only "small things" would be brought to the W04 in the final eight races.
In the battle for the championship former Benetton driver Alexander Wurz has claimed another world title for Vettel would prove F1 "is still a sport" adding his belief Vettel will claim the title sooner rather than later.
Asked by Speed Week what he is expecting from the last races of 2013, Austrian Wurz admitted: "An early world title for Vettel."
Asked if yet another championship for Red Bull and Vettel is really what F1 needs, Wurz added: "It depends on your perspective.
"If you take a step back, I think it's good because it shows that despite everything, Formula 1 is still a sport, where the best one wins, even if it's early.
"For me it's good because it means F1 is a pure sport that is not influenced artificially," said 39-year-old Wurz, who last raced for Williams in 2007.
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