Which of the four times WDC is going to reach 5 WDC first?

[Rollo]

Besides, the Ferrari engine is equally as powerful as the Mercedes engine. The real differences are in the chassis, reliability and race strategy.

No.

2017 - MB: 1 4 5 (av 3.33) v Ferrari: 2 8 (av 5.00 - can't include an old unit)
2016 - MB: 1 4 5 11 (av 5.25) v Ferrari: 3 7 8 10 (av 7.00)
2015 - MB: 1 3 4 6 (av 3.50) v Ferrari: 2 8 10 (av 6.66)
2015 - MB: 1 3 5 6 (av 3.75) v Ferrari: 2 8 10 (av 6.66)

The current rules have locked in advantage and disadvantage.

Not unless there is a marked change in allowing engine manufacturer's to go testing, that current set of advantage and disadvantages remain. Expect McLaren to finish 6th and still behind the MB cars, and expect MB to still dominate la scarletti.