Mercedes is paying the highest ever fee to enter the 2015 world championship.

The German team may have triumphantly dominated last year's titles, but one unpleasant consequence is a hefty FIA bill to the tune of almost $5 million (4.25M EUR).

The cost of merely entering the world championship was changed in recent years, when instead of a flat fee teams were also asked to pay per point scored in the previous season.

But the cost just got even higher. Last year, the flat fee was $508,000 (432,000 EUR), while now it is $516,000 (439,000 EUR), the German specialist publication Auto Motor und Sport repored.

And the variable performance element of the entry cost has also gone up for 2015, with each point now costing teams $5,161 (4,391 EUR), up from $5,080 (4,322 EUR) just a year ago.

The champion team, meanwhile, now pays a hefty $6,194 (5,270 EUR) per point scored, meaning that Mercedes' bill for simply entering the 2015 world championship is nearly $4.9 million (4.17M EUR).

It is significantly more than the $2.6 million (2.21M EUR) entry fee payable by runner-up Red Bull.

But the good news for Mercedes is that the team's official prize money haul has also significantly increased, after receiving $87 million (74.02M EUR) for finishing the 2013 championship as runner-up.

The 2014 prize for winning the constructors' title, on the other hand, is a cool $102 million (86.78M EUR), the German report added.

In addition to Mercedes and Red Bull's nearly $8 million (6.8M EUR) in fees, the FIA will receive a further combined total of almost $16 million (13.6M EUR) from the other teams on the 2015 grid.

As it is likely Caterham and Marussia will not be in Melbourne or beyond, however, the governing body will ultimately lose their extra million in fees.

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