Mercedes-Benz_M271_engine

Mercedes-Benz M271 engine

Mercedes-Benz M271 engine

Reciprocating internal combustion engine

The Mercedes-Benz M271 engine is a straight-4 automobile piston engine family used in the 2000s (decade).

Quick Facts Overview, Manufacturer ...

All M271 engines are built in Untertürkheim, Germany. The family has a cast aluminium engine block and aluminium DOHC cylinder heads with 4 valves per cylinder and variable valve timing and a coil-on-plug ignition system.

KE18 ML (271.9XX)

The KE18 ML is a 1.8 L (1,796 cc) version. Bore and stroke is 82 mm × 85 mm (3.23 in × 3.35 in). Output ranges from 122 PS (90 kW; 120 hp) at 5200 rpm to 194 PS (143 kW; 191 hp) at 5800 rpm.

It uses sequential fuel injection, is supercharged and intercooled, and features fracture-split forged steel connecting rods. A version running on natural gas was introduced in the German market in 2002.

Applications:[1]

DE18 ML (271.942)

This engine had the same dimensions as E18 ML and almost the same features including a supercharger, but used CGI (Stratified Charged Gasoline Injection) gasoline direct injection. It has been produced since 2003 in only one version, with an output of 170 PS (125 kW; 168 hp) at 5300 rpm. The production ceased in 2005.

Applications:[3]

KE16 ML (271.910)

The KE16 ML is a 1.6 L (1,597 cc) version introduced in 2008. Bore and stroke is 82 mm × 75.6 mm (3.23 in × 2.98 in). It shares the same features with the KE18ML version, like supercharger and multi-point fuel injection. Output ranges from 129 PS (95 kW; 127 hp) at 5000 rpm to 156 PS (115 kW; 154 hp) at 5200 rpm.

Applications:[4]

DE18 LA (M271Evo, 271.8XX)

This is the last version of M271 engine family. Dimensions are the same as E18 ML and DE18 ML, but the supercharger has been replaced with a turbocharger; like the DE18 ML it uses the CGI (Stratified Charged Gasoline Injection) gasoline direct injection. Output ranges from 156 PS (115 kW; 154 hp) at 5200 rpm to 204 PS (150 kW; 201 hp) at 5500 rpm.

Applications:[5]

Other uses

The engine in 2.0-litre naturally aspirated form is used by German automotive company HWA Team as the basis for a Mercedes-Benz motor racing engine and has been the engine used widely in Formula 3 motor racing powering championship winning drivers across Europe and further afield.[6]

See also

References

  1. [1]
    "Mercedes-Benz M271 engine". Australian Car Review and Valuation. Australian Car Review and Valuation. Retrieved 22 April 2015.
  2. [2]
    "C 160 Sportcoupé". mercedes-benz-publicarchive.com. Retrieved 13 March 2024.
  3. [3]
    "Mercedes-Benz M271 engine". Australian Car Review and Valuation. Australian Car Review and Valuation. Retrieved 22 April 2015.
  4. [4]
    "Mercedes-Benz M271 engine". Australian Car Review and Valuation. Australian Car Review and Valuation. Retrieved 22 April 2015.
  5. [5]
    "Mercedes-Benz M271 engine". Australian Car Review and Valuation. Australian Car Review and Valuation. Retrieved 22 April 2015.
  6. [6]
    "New engine deal to bring savings for F3 teams". The National Racing Official Website. Retrieved 21 April 2015.
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