Rear-engine Mercedes-Benz
From 1931 to 1939, Daimler-Benz AG produced three cars (Mercedes-Benz 130, 150 and 170 H) with rear engine as well as a few prototypes. The production numbers remained quite low for each of these models, especially compared to the production of classical front-engine Mercedes cars.
Read more about Rear-engine Mercedes-Benz: Development and Prototypes (W17/W25D), Mercedes-Benz 130 (W23), Mercedes-Benz 150 (W30), Mercedes-Benz 170 H (W28), Sources