Lewis Hamilton insists that there is no need for the Mercedes F1 hierarchy to remind its drivers about the need for clean racing at this weekend's world championship showdown in Abu Dhabi.

The Briton heads into the 19th and last round of the 2014 series leading Mercedes team-mate - and sole title rival - Nico Rosberg by 17 points but knows that, with the controversial double points rule in play at Yas Marina, either driver could emerge with the crown. While reliability continues to hang a persistent question mark over the scrap, pre-race attention also fell on the possibility of 'foul play' raising its head. Having dominated the season, Hamilton and Rosberg have enjoyed numerous wheel-to-wheel battles in 2014, but came to blows on track at Spa-Francorchamps, when contact at Les Combes forced the Briton out of the Belgian Grand Prix.

Although he stands to benefit most from any incident that sidelines both cars, Hamilton insists that there is no need for a reminder from the team.

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"We're not children, so we should know what is wrong and what is right," he claimed, "You have to go into race weekends believing that [fair play] is going to be the case. We don't need to [have a talk to avoid incidents]. It's already been discussed at the beginning of the season and several times during the season - particularly after Spa - so there's no need to revisit it."

Rosberg, meanwhile, fired a barb in Hamilton's direction, suggesting that the Briton could "do something to keep it clean, which is to drive cleanly himself".

Hamilton, despite needing to only finish second to the German to clinch his second title in six years, says that he is not necessarily going to drive for position, claiming that the battle with Rosberg mirrors that between the pair while they were team-mates in karting.

"I feel that it is generally quite similar to back in the karting days," he commented, "At that age, it was as intense as I had ever experienced. I wanted to win back then and nothing has changed."

The Briton, who revealed that he has no close family present with him this weekend, also admitted that he was happy to be racing at a circuit where he has enjoyed success in the past.

"I'm sure there's something positive to that," he acknowledged, "[Abu Dhabi] suited the car I had back at McLaren years ago, and it's definitely a track that has suited my driving style in the past. Every year is different, but I hope to take that positivity into the weekend."