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Mercedes-BenzW03

1926–1930 Germany Automobile 5 production years
Production1926–1930
Recorded originGermany
ClassAutomobile
Background

The Mercedes-Benz W03 was a large six-cylinder-engined automobile introduced as the Mercedes-Benz 12/55 PS and, initially, as the Mercedes-Benz Typ 300, by Daimler-Benz at the Berlin Motor Show in October 1926. It was developed in some haste under the manufacturer's Technical Director, Ferdinand Porsche in parallel with the smaller Mercedes-Benz W 01 and the two-litre-engined Mercedes-Benz W02 following the creation of Daimler-Benz, formally in July 1926, from the fusion of the Daimler and Benz & Cie auto-businesses.

Text adapted from “Mercedes-Benz W03” on Wikipedia ↗ · CC BY-SA 4.0 ↗ · retrieved 2026-07

Chronology ledger

Dates with their meaning intact

Production chronology1926–1930

Sourced production or model lifecycle range used by the main catalog timeline.

Wikipedia infobox ↗5 years