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Mercedes admits McLaren supply deal "a risk"

Mercedes Formula 1 boss Toto Wolff acknowledges there is a "risk" in supplying engines to McLaren from 2021 because it has the potential to rival his own team.

McLaren has struck a deal to return to being a Mercedes customer after its current Renault arrangement ends next year, which will end a six-season spell apart for the two former partners.

Since it stopped using Mercedes engines McLaren has failed to score a podium and its winless run stretches back to 2012, but Wolff believes McLaren's progress and F1's rule changes in 2021 could present Mercedes with a serious challenge.

Wolff said: "A new era is going to start in 2021 with compressed grids, with more competition, and we believe that from a PU side there is more learning for us in this exercise, with more competitive customers adding to the two [Racing Point and Williams] that we have.

"And we rate McLaren strongly. The steps that Zak [Brown, McLaren F1 CEO] and Andreas [Seidl, McLaren team principal] have initiated certainly look very promising.

"The advantages outweigh the potential deficits of fighting a hard competitor like McLaren in the future."

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McLaren split from Mercedes, initially to Honda, because it did not believe it could challenge the works team in the V6 turbo-hybrid era.

Two years ago, when McLaren and Honda separated, Mercedes was not interested in reviving its old partnership.

Wolff only said "the situation has changed a little bit", though McLaren's position as an established midfield team now may be a factor in that – as the tables here show McLaren's dramatic slump as Mercedes' works team has thrived in the current engine era.

MERCEDES VS McLAREN

With the same engine (2010-2014)

	Mercedes	McLaren
Wins	20	18
Podiums	46	49
Poles	27	10
Drivers’ championships	1	0
Constructors’ championships	1	0
Points	1582	1632

Without the same engine (2015-2019*)

Mercedes vs McLaren 2015-’19*	Mercedes	McLaren
Wins	69	0
Podiums	141	0
Poles	74	0
Drivers’ championships	4	0
Constructors’ championships	4	0
Points	3362	296

But Wolff also said there were more arguments in favour of the deal than against it.

"We learned it was an advantage having more power units out there," he said.

"There's maybe a process and logistic question, because everybody needs to be supplied at the same time, but there is more upside in it going forward.

"There is a financial upside, so it's a cashflow question which is helpful on the power unit side.

"Overall, many pros. There is one risk in this: that if McLaren does a good job, they will push hard, and maybe benchmark us in a way to say 'that's the same power unit, and you guys are not doing a good enough job'.

"But where we are now, seven years into the hybrid era, we are ready for that step."