Mercedes motorsport boss Toto Wolff reckons there will be no 'big swing in the balance of power' next season, despite major changes to the F1 regulations.

Sebastian Vettel took his third victory in succession and his seventh of the season last weekend in Singapore to inch ever closer to that fourth F1 Drivers' title. With six races to go, he now has a 60-point advantage over Ferrari driver, Fernando Alonso, while Red Bull Racing are in a similarly strong position in the Constructors' - 103 points ahead of Ferrari, who are in turn 7 points up on Mercedes.

While F1 boss Bernie Ecclestone has suggested 2014 could be a 'chance to topple Red Bull', Wolff is not so convinced.

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"The performance is being driven by people, and with people staying where they are in the top teams, I don't see there will be a big swing in the balance of power," Wolff told British newspaper, The Daily Telegraph.

"Obviously it could be a bit more of an engine formula next year, but if you look at the structure Ferrari has in Maranello and Renault in Viry, they are equally motivated. So I don't see huge differences."

Wolff did add, however, that a change would probably be good for the sport, as Vettel's domination in recent years is a bit of a turn-off and certainly not the 'the most exciting thing'.

"For my own well-being on a Sunday evening a different winner [in 2014] would definitely cheer us up more," he joked.

"We've had those years of dominance of certain drivers and teams. People said it was boring when Michael [Schumacher] was winning all the time, now people say the same with Sebastian. This is the downside of success," he added.

"Is it bad for the sport? Certainly if one team and one driver is dominant for a long time, that is not the most exciting thing. But the reason why I love this sport so much is because you can't cheat yourself, there is a stopwatch. At the moment they are doing the best job, and this is what the stopwatch says."

Pressed on how critical it is to finish 'best of the rest' this year and second in the Constructors', Wolff replied: "It is important. We have made a step forward and it looks like we are okay for third, but we are still very motivated to be second best."