| Manufacturer | Mercedes-Benz |
|---|---|
| Production | 1998–2006 |
| Predecessor | Mercedes-Benz OM604 engine |
| Successor | Mercedes-Benz OM646 engine |
| Displacement | 2,148 cc (2.148 L; 131.1 cu in) 2,151 cc (2.151 L; 131.3 cu in) |
| Cylinder bore | 88.0 mm |
| Piston stroke | 88.3–88.4 mm |
| 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 (75 kW; 101 hp) and 125 PS (92 kW; 123 hp) powertrains.
In 1999, the displacement were reduced from 2,151 cc (2.151 L; 131.3 cu in) to 2,148 cc (2.148 L; 131.1 cu in) for the E-Class, and the engine were now available ind 116 PS (85 kW; 114 hp) and 143 PS (105 kW; 141 hp) powertrains.
It was also introduced with the facelift of the W90x Sprinter in 2000 for the 2001 model year in 82 PS (60 kW; 81 hp), 109 PS (80 kW; 108 hp) and 129 PS (95 kW; 127 hp) powertrains, and in the W203 C-Class in 122 PS (90 kW; 120 hp) and 143 PS (105 kW; 141 hp) powertrains.
The W211 E-Class introduced in 2002 were not equipped with the OM611, but with the new OM646 engine.
| Displacement | Bore | Stroke | Cylinders | Valves | Power | Torque | Applications |
|---|---|---|---|---|---|---|---|
| 2,151 cc (2.151 L; 131.3 cu in) | 88.0 mm | 88.4 mm | straight-4 | 16 | 102 PS (75 kW; 101 hp) @4200 rpm | 235 N·m (173 lb·ft) @1500 rpm | 1998 W202 C-Class, 1998 W210 E-Class |
| 125 PS (92 kW; 123 hp) @4200 rpm | 300 N·m (220 lb·ft) @1800 rpm | 1998 W202 C-Class, 1998 W210 E-Class | |||||
| 2,148 cc (2.148 L; 131.1 cu in) | 88.3 mm | 82 PS (60 kW; 81 hp) @3800 rpm | 200 N·m (150 lb·ft) @1400–2600 rpm | 2000 W90x Sprinter | |||
| 109 PS (80 kW; 108 hp) @3800 rpm | 270 N·m (200 lb·ft) @1400–2400 rpm | 2000 W90x Sprinter | |||||
| 116 PS (85 kW; 114 hp) @4200 rpm | 250 N·m (180 lb·ft) @1400–2600 rpm | 1999 W210 E-Class, 2000 W203 C-Class | |||||
| 122 PS (90 kW; 120 hp) @3800 rpm | 270 N·m (200 lb·ft) @1600–2400 rpm | 2003 W211 E-Class, 2003 W203 C-Class | |||||
| 129 PS (95 kW; 127 hp) @3800 rpm | 300 N·m (220 lb·ft) @1600–2400 rpm | 2000 W90x Sprinter | |||||
| 136 PS (100 kW; 134 hp) @4200 rpm | 315 N·m (232 lb·ft) @1800–2600 rpm | 1999 W210 E-Class for Belgium | |||||
| 143 PS (105 kW; 141 hp) @4200 rpm | 315 N·m (232 lb·ft) @1800–2600 rpm | 1999 W210 E-Class, 2000 W203 C-Class |
The OM661.911 engine is a single overhead cam version used in the MB100D Mercedes van manufactured in Korea by Ssanyongg. It uses a double row timing chain to drive the injector pump and cam. and a single short chain to drive an oil pump in the sump. Injector pump timing is set by using a locking pin to hold the injector pump when refitting