Mercedes are willing to accept the demands of Ferrari, Renault and Honda, which could see the engine freeze lifted temporarily next season.
Three of the four engine manufacturers support lifting the freeze on engine development completely to allow for unlimited testing and upgrades, but Mercedes believe it would lead to increased costs.
However, during the United States Grand Prix weekend, the German marque moved closer to agreeing to a deal which would see a temporary lift during 2015.
It’s believed, half-way through the season – around July – a development window will open up, allowing engine manufacturers to introduce a modified power unit.
The proposal is set to be discussed further at the Brazilian GP, but Mercedes motorsport boss Toto Wolff hinted that they would go along with it simply to bring an end to the discussions.
“If this is the compromise needed to guarantee long-term stability and agree long term we are not going to change the rules every year, that is something we will look at,” said the Austrian.
“What we have said is we are calculating that, and we are looking at the effect of it. What does it mean financially? What does it mean logistically?
“We are a team which needs to deliver eight power units at a time. Honda does two, Ferrari and Renault four. So there’s a big difference.”
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