Carl Benz married Bertha Ringer. Bertha was not only his wife but also a crucial business partner and advocate for his inventions. Her dowry helped save his struggling workshop.

Carl and Bertha's first child, Eugen, was born. He later joined his father in the automotive business.

Richard, the second son of Carl and Bertha, was born. He also became involved in the family's automotive ventures.

In his later years, Benz lived in Ladenburg, Germany. He enjoyed his family and his renewed involvement in car design through his company, C. Benz Söhne.

Carl Benz died in Ladenburg at the age of 84. His legacy as the inventor of the automobile endures.