Mercedes power unit tokens on hold for now

Mercedes will finally not be introducing a power upgrade to its engine in Canada next week, deciding on conserving the seven development tokens it still has on its books.

It was thought the German manufacturer would introduce a series of upgrades in Montreal, typically a power intensive track where any improvement in that department would be highly beneficial. Lotus F1 Team Matthew Carter had also pinned his hopes on the introduction of some upgrades in Canada which will also mark the beginning of a new engine allotment cycle for Lotus.

Given its current performance level with regard to power and reliability, Mercedes have not deemed it necessary to dig in to its token usage but will theoretically do so later in the season when it introduces power units three and four around the time of the Italian or US Grand Prix.

While performance upgrades are linked to token spending, reliability may be improved freely, though any subsequent changes must now first be approved by the FIA. Presently, Renault has conserved 12 development tokens while Ferrari and Honda respectively hold 10 and 9.

Click here for a look at the FIA's clampdown on front wing flexibility 

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