Mercedes-Benz M30 engine

{{Infobox automobile engine

|image =

|name = Mercedes-Benz M30

|manufacturer = Mercedes-Benz

|production = 1934-1939

|configuration = Inline-4

|bore = {{convert|72|mm|in|1|lk=on|abbr=on}}

|stroke = {{convert|92|mm|in|1|lk=on|abbr=on}}

|displacement = {{convert|1.5|L|cuin|0|lk=on|abbr=on}}

|valvetrain = 8-valve, OHC, two-valves per cylinder

|power = {{convert|55|hp|kW|0|lk=on|abbr=on}}

|torque = {{convert|63|lb.ft|N.m|0|lk=on|abbr=on}}

|fuelsystem = Carburetor

|fueltype = Gasoline

|compression = 7.0:1{{Cite web|url=https://sportlichleicht.com/info/engines/m30|title=Mercedes-Benz M30 Engine|website=Sportlich-Leicht}}

|oilsystem = Dry sump

|weight =

}}

The Mercedes-Benz M30 engine is a naturally-aspirated, 1.5-liter, inline-4 gasoline engine, designed, developed and produced by Mercedes-Benz; between 1934 and 1939.{{Cite web|url=https://media.daimler.com/marsMediaSite/en/instance/ko/Mercedes-Benz-150-Sport-Roadster-W-30-series-1934---1936.xhtml?oid=9274461|title=Mercedes-Benz 150 Sport Roadster (W 30 series, 1934 - 1936)|website=marsMediaSite}}{{Cite web|url=https://media.daimler.com/marsMediaSite/en/instance/ko/Mercedes-Benz-150-Sport-Saloon-W-30-series-1934.xhtml?oid=9271852|title=Mercedes-Benz 150 Sport Saloon (W 30 series, 1934)|website=marsMediaSite}}{{Cite web|url=https://www.autoevolution.com/cars/mercedes-benz-typ-150-sport-roadster-w30-1934.html|title=MERCEDES BENZ Typ 150 Sport Roadster (W30) specs & photos - 1934, 1935, 1936|website=autoevolution}}{{Cite web|url=https://mercedes-benz-publicarchive.com/marsClassic/en/instance/ko/Berlin-Daimler-Benz-presents-the-150-W30-rear-engined-sports-car.xhtml?oid=4910030|title=Berlin Daimler-Benz presents the 150 (W 30) rear-engined sports car|website=marsClassic}}{{Cite web|url=https://sportlichleicht.com/info/engines/m30/|title=Mercedes-Benz M30 Engine|website=Sportlich-Leicht}}{{Cite web|url=https://www.carfolio.com/mercedes-benz-150h-61787|title=1934 Mercedes-Benz 150H W 30 specifications | technical data | performance | fuel economy | emissions | dimensions | horsepower | torque | weight|website=www.carfolio.com}}