A Mercedes driver was killed early Saturday after a fiery crash in the Bronx, cops said.

William Santana, 47, was heading south on the Major Deegan Expressway around 3:15 a.m. when the 2013 Mercedes and a 2012 black Lincoln SUV sideswiped each other, according to police.

Santana continued into a grassy area and finally struck the wall of an exit ramp, before his car became engulfed in flames, cops said. The Mercedes finally came to a rest against the concrete median of the expressway.

Santana was pronounced dead on scene.

The 52-year-old Lincoln driver remained at the scene and refused medical attention.

Santana has three daughters and two sons, his 22-year-old daughter Natalie told the Post.

She said she had last seen her father when he dropped her and her siblings off at their cousin’s house Friday night. Then, she said, her dad went out “to relieve some stress.”

In the morning, her cousin started to fear the worst.

“My cousin was on his way to work and he saw what happened and recognized [my dad’s] car,” Natalie recalled. “It was too tragic to even recognize him.”

“My reaction was ‘I knew it,’ because I was overhearing my cousin talk at night,” she added. “And all I heard was ‘He’s not dead, don’t say that.’”

She called her dad “great person” and a “great father.”

“Everyone loved him,” she said. “He was very giving, you know, caring. He liked to party.”