Yes, he died. In that crazy and violent world of 'Pulp Fiction', poor Marvin was just in the wrong place at the wrong time. His death was one of those unexpected and shocking moments in the movie that added to its dark and unpredictable nature. It was a moment that also led to further complications and actions for the other characters, like Vincent and Jules having to deal with his dead body in the car.
In the world of Pulp Fiction, Vincent was involved in a lot of the movie's seedy and dangerous activities. But in the end, his carelessness, perhaps, led to his death. While he was in the bathroom, he was vulnerable and was shot. This event also had an impact on the overall narrative of the movie as it was a significant turning point in the story.
Jules survived in Pulp Fiction. In the movie, he has some very intense and interesting story arcs. He goes through a spiritual transformation of sorts. But, he's alive at the end of the film.
Vincent does die in Pulp Fiction. Throughout the movie, Vincent is involved in various dangerous and seedy situations. His death is a significant part of the movie's complex and interwoven plot. It adds to the overall sense of the unpredictable and often violent world that the characters inhabit. His death also has an impact on other characters and their subsequent actions in the story.