Already on New Year's Eve, CNN's legendary interviewers needed intensive care for the disease.
After a battle for several weeks, he has now died at Cedars Sinai Hospital in Los Angeles.
He had long struggled with health problems and belonged to several risk groups.
He suffered from diabetes, had suffered several heart attacks and was treated for lung cancer.
In 1987, he also underwent a five-fold bypass operation.
King led the CNN program "Larry King live" for 25 years, until 2010. In over 6,000 episodes, he interviewed everything from presidential candidates and athletes to celebrities and movie stars.
The text is updated.