According to authorities, the crash began at about 1:40 a.m. in the 12000 block of Knights Road when a 2007 Chrysler jumped a curb, went through a snowy lawn and drove off a hill.
The car was airborne for about 60 feet before it landed on the roof of the Kpot Korean BBQ & Hot Pot restaurant, investigators said. The car then fell to the parking lot below.
According to police, three men were in the car.
John Cybulski, 26, was taken to Jefferson-Torresdale Hospital where he was pronounced dead at about 2:25 a.m.
A 21-year-old man and a 22-year-old man remain in critical condition.
The cause of the accident is under investigation.