It was five years in the making and struggled at times to make it out of the engineering bay and development labs at one of the auto industry's most venerable and esteemed automakers.
And now that this hypercar has finally arrived, it is being billed as a street-legal monster for the ages.
The production version of the Mercedes-AMG One hypercar packs a Formula 1 inspired hybrid drivetrain to produce 1,049 hp (1,063 PS) from a 1.6-liter gasoline engine paired with four electric motors.
The One was first shown as a concept called the Project One at the 2017 Frankfurt auto show, and since then Mercedes has reportedly sold all 275 units planned for production at a price of $2.7 million.
Mercedes said it faced daunting technical challenges to bring the midengine, all-wheel-drive One to production, and hinted that the project was not certain to be completed.
"The immense technical challenges of making a modern Formula 1 powertrain s…