Mercedes-Benz M271 engine

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

All M271 engines are built in Bad Cannstatt, Germany. The family has a cast iron engine block and aluminum DOHC cylinder heads. It uses SFI fuel injection, has 4 valves per cylinder with variable valve timing, is supercharged and intercooled, and features fracture-split forged steel connecting rods.

[edit] E18

The E18 is a 1.8 L (1796 cc) version. Bore is 82 mm and stroke is 85 mm. Output ranges from 143 hp ECE (105 kW) at 5500 rpm to 192 hp ECE (141 kW) at 5800 rpm. A version running on natural gas was introduced in the German market in 2002.

Applications:

2001 Mercedes-Benz C-Class C 180, C 200, C 230
2005 Mercedes-Benz SLK-Class, SLK 200
2002 Mercedes-Benz E-Class, E 200

[edit] E23

The E23 is a 2.3 L (2295 cc) version. Bore is 90.9 mm and stroke is 88.4 mm. Output is 197 hp ECE (145 kW) at 5300 rpm with 271 Nm (200 ft.lbf) of torque at 2500 to 4800 rpm.

Applications: