Internal designations: Typ 31
Sales designations: 1½ Tonnen Mercedes-Benz Lastwagen (L1)
Years of production: 1926–1928
Engine: M14 (4-3680, 45HP)
Payload: 1.5t
Truck photographs: link
Ersatzteile (spare parts book):
Left image: May 20, 1927 edition. Right image: 1928 edition.
Betriebsanleitung (manual):
May 1927 edition
Pages 2 and 3 of Betriebsanleitung (operation manual).