The man is said to have worked at the Nazi Sachsenhausen concentration camp near Berlin between 1942 and 1945.
He is due to stand trial this fall, according to a German Sunday newspaper.
Neuruppin District Court admitted charges of aiding and abetting murder in 3,500 cases.
The accused should be able to stand trial for two to two and a half hours a day, a court spokesperson said. World on sunday.
The centenary was not named for legal reasons.
About 200,000 people were imprisoned at the Nazi Sachsenhausen concentration camp between 1936 and 1945.
Twenty thousand people were killed in the Oranienburg camp, near Berlin, mainly because of forced labor, medical experiments and systemic extermination.
The Nazi regime kept Jews, political opponents, Roma and homosexuals, among other groups, in the camp during its operation.
In his later years, most of Sachsenhausen’s prisoners were foreigners, with large numbers from the Soviet Union and Poland, according to the Brandenburg Memorials Foundation.
In 2011, a landmark conviction found while working in a concentration camp was ground for guilt without proof of a specific crime for the first time.