The man was found by a passerby at around six o'clock in the morning on Sunday in the neighbourhood of Neukölln, one of the best-loved boroughs among young expats, reports the Berliner Kurier.
Emergency services arrived at the scene shorty afterwards and immediately took the man to hospital, but he died of his injuries on before the ambulance reached the emergency ward.
Later on Sunday police searched a nearby house where they believed the murderer to live.
"The house was searched at eight o'clock but the suspect was not found,“ a police spokesperson said.
According to the Kurier the suspect is a 62-year-old Berliner who was wearing a black leather jacket and a cowboy hat at the time of the incident and was armed with a shotgun.
The tabloid also claims that police found and seized weapons in the suspect's home.