Mercedes-Benz OM611 engine

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Mercedes-Benz OM611 engine
Manufacturer Mercedes-Benz
Type OM611
Production 19982006
Predecessor Mercedes-Benz OM604 engine
Successor Mercedes-Benz OM646 engine
Bore 88.0 mm
Stroke 88.3–88.4 mm
Displacement 2.1 L (2148 cc, 131 cu in)
2.2 L (2151 cc, 131 cu in)
Valvetrain DOHC
Turbocharger Yes
Fuel system Common rail direct injection
Fuel type Diesel
Power output 60–105 kW (82–143 hp)
Torque output 200–315 Nm (148–232 lb·ft)

The Mercedes-Benz OM611 engine is a straight-4 diesel engine produced by Mercedes-Benz.

It replaced in 1998 the naturally aspirated OM604 with indirect injection in the W202 C-Class and the W210 E-Class for the 1999 model year, in 102 PS (101 hp/75 kW) and 125 PS (123 hp/92 kW) powertrains.

In 1999, the displacement were reduced from 2.2 L (2151 cc, 131 cu in) to 2.1 L (2148 cc, 131 cu in) for the E-Class, and the engine were now available ind 116 PS (114 hp/85 kW) and 143 PS (141 hp/105 kW) powertrains.

It was also introduced with the facelift of the W90x Sprinter in 2000 for the 2001 model year in 82 PS (81 hp/60 kW), 109 PS (108 hp/80 kW) and 129 PS (127 hp/95 kW) powertrains, and in the W203 C-Class in 122 PS (120 hp/90 kW) and 143 PS (141 hp/105 kW) powertrains.

The W211 E-Class introduced in 2002 were not equipped with the OM611, but with the new OM646 engine.

Technical specifications

Displacement Bore Stroke Cylinders Valves Power Torque Applications
2.2 L (2151 cc, 131 cu in) 88.0 mm 88.4 mm straight-4 16 102 PS (101 hp/75 kW) @4200 rpm 235 N·m (173 lb·ft) @1500 rpm 1998 W202 C-Class, 1998 W210 E-Class
125 PS (123 hp/92 kW) @4200 rpm 300 N·m (221 lb·ft) @1800 rpm 1998 W202 C-Class, 1998 W210 E-Class
2.1 L (2148 cc, 131 cu in) 88.3 mm 82 PS (81 hp/60 kW) @3800 rpm 200 N·m (148 lb·ft) @1400–2600 rpm 2000 W90x Sprinter
109 PS (108 hp/80 kW) @3800 rpm 270 N·m (199 lb·ft) @1400–2400 rpm 2000 W90x Sprinter
116 PS (114 hp/85 kW) @4200 rpm 250 N·m (184 lb·ft) @1400–2600 rpm 1999 W210 E-Class, 2000 W203 C-Class
122 PS (120 hp/90 kW) @3800 rpm 270 N·m (199 lb·ft) @1600–2400 rpm 2003 W211 E-Class, 2003 W203 C-Class
129 PS (127 hp/95 kW) @3800 rpm 300 N·m (221 lb·ft) @1600–2400 rpm 2000 W90x Sprinter
136 PS (134 hp/100 kW) @4200 rpm 315 N·m (232 lb·ft) @1800–2600 rpm 1999 W210 E-Class for Belgium
143 PS (141 hp/105 kW) @4200 rpm 315 N·m (232 lb·ft) @1800–2600 rpm 1999 W210 E-Class, 2000 W203 C-Class
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