A motorcyclist and a passenger in a Mercedes-Benz were killed in a high-speed hit-and-run crash on a Brooklyn parkway, police said Monday.

The motorcyclist and the Mercedes driver had just exited the Belt Parkway when they crashed into each other on Shore Parkway near E. 7th St. in Sheepshead Bay about 11:30 p.m. Sunday, cops said.

The impact sent the Mercedes flying as it flipped over and landed on its roof, the car’s airbags deploying.

The motorcycle and Mercedes struck three unoccupied parked cars after hitting each other.

Medics rushed the 22-year-old motorcyclist and 28-year-old Mercedes passenger to NYU Langone Hospital-Brooklyn , where both men died.

The Mercedes driver abandoned his vehicle, ran off and has not been caught, cops said.

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