Mercedes-Benz M22 engine

|production = 1933-1934

|production = 1933-1934

|configuration = [[Straight-eight engine|Straight-eight]]

|configuration = [[Straight-eight engine|Straight-eight]]

|bore = {{convert|78-80|mm|in|1|lk=on|abbr=on}}

|bore = {{cvt|78-80|mm|in|1}}

|stroke = {{convert|100|mm|in|1|lk=on|abbr=on}}

|stroke = {{cvt|100|mm|in|1}}

|displacement = {{convert|3.8-4.0|L|cuin|0|lk=on|abbr=on}}

|displacement = {{cvt|3.8-4.0|L|cuin|0}}

|valvetrain = 16-valve, [[DOHC]], two-valves per cylinder

|valvetrain = 16-valve, [[DOHC]], two valves per cylinder

|power = {{convert|89-143|hp|kW|0|lk=on|abbr=on}}

|power = {{cvt|89-143|hp|kW|0|lk=on|disp=br}}

|torque = {{convert|146-209|lb.ft|N.m|0|lk=on|abbr=on}}

|torque = {{cvt|146-209|lb.ft|N.m|0|lk=on|disp=br}}

|supercharger = [[Naturally aspirated engine|Naturally aspirated]] (380)<br> [[Roots-type supercharger]] (380 K)

|supercharger = {{ubl

|[[Naturally aspirated engine|Naturally aspirated]] (380)

|[[Roots-type supercharger]] (380 K)

}}

|fuelsystem = [[Carburetor]]

|fuelsystem = [[Carburetor]]

|fueltype = [[Gasoline]]

|fueltype = [[Gasoline]]

|compression = 5.54:1-6.0:1<ref name="auto">{{Cite web|url=https://sportlichleicht.com/info/engines/m22/|title=Mercedes-Benz M22 Engine|website=Sportlich-Leicht}}</ref>

|compression = 5.54:1-6.0:1<ref name="S-L">{{Cite web|url=https://sportlichleicht.com/info/engines/m22/|title=Mercedes-Benz M22 Engine|website=Sportlich-Leicht|access-date=2025-07-04}}</ref>

|oilsystem = [[Dry sump]]

|oilsystem = [[Dry sump]]

|weight = <!-- {{convert||kg|lb|0|lk=on|abbr=on}} -->

|weight = <!-- {{cvt|xxxx|kg|lb|0}} -->

|predecessor= [[Mercedes-Benz M19 engine]]

|predecessor = [[Mercedes-Benz M19 engine]]

|successor= [[Mercedes-Benz M24 engine]]

|successor = [[Mercedes-Benz M24 engine]]

}}

}}

The '''Mercedes-Benz M22''' engine is a [[naturally-aspirated]] and [[supercharged]], 3.8-liter and 4.0-liter, [[straight-8]] [[internal combustion engine|engine]], designed, developed and produced by [[Mercedes-Benz]]; between 1933 and 1934.<ref>{{Cite web|url=https://www.conceptcarz.com/s14323/mercedes-benz-380k.aspx|title=1934 MercedesBenz 380K technical and mechanical specifications|website=conceptcarz.com}}</ref><ref name="auto"/>

The '''Mercedes-Benz M22''' is a [[naturally-aspirated]] and [[supercharged]] 3.8- or 4.0-liter [[straight-8]] [[internal combustion engine|engine]], designed, developed and produced by [[Mercedes-Benz]] in 1933 and 1934.<ref>{{Cite web|url=https://www.conceptcarz.com/s14323/mercedes-benz-380k.aspx|title=1934 MercedesBenz 380K technical and mechanical specifications|website=conceptcarz.com|access-date=2025-07-04}}</ref><ref name="S-L"/>

==Applications==

==Applications==

*[[Mercedes-Benz 380 (1933)|Mercedes-Benz 380]]<ref>{{Cite web|url=http://www.autogallery.org.ru/m/mb380w22.htm|title=Oldtimer gallery. Cars. Mercedes-Benz 380 W22.|website=www.autogallery.org.ru}}</ref><ref>{{Cite web|url=https://www.supercars.net/blog/1933→1934-mercedes-benz-380/|title=1933→1934 Mercedes-Benz 380 &#124; Review|date=April 18, 2016}}</ref><ref>{{Cite web|url=https://www.ultimatecarpage.com//spec/6088/Mercedes-Benz-380-K-Cabriolet-A.html|title=1933 - 1934 Mercedes-Benz 380 K Cabriolet A Specifications|website=Ultimatecarpage.com}}</ref><ref>{{Cite web|url=https://www.ultimatecarpage.com//spec/1967/Mercedes-Benz-380-K-Cabriolet-C.html|title=1933 - 1934 Mercedes-Benz 380 K Cabriolet C Specifications|website=Ultimatecarpage.com}}</ref>

* [[Mercedes-Benz 380 (1933)|Mercedes-Benz 380]]<ref>{{Cite web|url=http://www.autogallery.org.ru/m/mb380w22.htm|title=Oldtimer gallery. Cars. Mercedes-Benz 380 W22.|website=autogallery.org.ru|access-date=2025-07-04}}</ref><ref>{{Cite web|url=https://www.supercars.net/blog/1933→1934-mercedes-benz-380/|title=1933→1934 Mercedes-Benz 380|date=April 18, 2016|website=supercars.net|access-date=2025-07-04}}</ref><ref>{{Cite web|url=https://www.ultimatecarpage.com//spec/6088/Mercedes-Benz-380-K-Cabriolet-A.html|title=1933 - 1934 Mercedes-Benz 380 K Cabriolet A Specifications|website=Ultimatecarpage.com|access-date=2025-07-04}}</ref><ref>{{Cite web|url=https://www.ultimatecarpage.com//spec/1967/Mercedes-Benz-380-K-Cabriolet-C.html|title=1933 - 1934 Mercedes-Benz 380 K Cabriolet C Specifications|website=Ultimatecarpage.com|access-date=2025-07-04}}</ref>

==References==

==References==

[[Category:Mercedes-Benz engines]]

[[Category:Mercedes-Benz engines]]

[[Category:Straight-eight engines]]

[[Category:Straight-eight engines]]

[[Category:Engines by model]]

[[Category:Gasoline engines by model]]

[[Category:Gasoline engines by model]]

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