Mercedes-Benz OM604 engine
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| Mercedes-Benz OM604 engine | |
|---|---|
| Overview | |
| Manufacturer | Mercedes-Benz |
| Production | 1993–1998 |
| Combustion chamber | |
| Configuration | Straight-4 |
| Displacement | 2.0 L (1997 cc) 2.2 L (2155 cc) |
| Cylinder block alloy | Cast iron |
| Valvetrain | DOHC 16 valves |
| Compression ratio | 22.0:1 |
| Combustion | |
| Turbocharger | No |
| Fuel system | Indirect injection |
| Fuel type | Diesel fuel |
| Chronology | |
| Predecessor | Mercedes-Benz OM601 engine |
| Successor | Mercedes-Benz OM611 engine |
The Mercedes-Benz OM604 is a 2.0 and 2.2 litre inline-four cylinder (R4/I4) double overhead camshaft (DOHC) diesel engine with indirect injection manufactured by Mercedes-Benz between 1993 and 1998. It replaced the single overhead camshaft (SOHC) OM601 engine. Unlike other Mercedes Benz diesels at the time that used a Bosch inline injection pump the OM604 used the Lucas electronically controlled rotary distributor injection pump (EVE) which is less reliable. The seals of the Lucas injection pumps become brittle over time and leak. Since the replacement of the entire injection pump is very expensive, a repair kit is offered in which the affected seals are replaced.
It is related to the straight-5 2.5 litre OM605 and the straight-6 3.0 litre OM606 engines.
| ID | Displacement | Bore x stroke | DIN-rated max. motive power at rpm |
max. torque at rpm |
years | applications |
|---|---|---|---|---|---|---|
| OM 604.910 EVE | 2155 cc | 89.0 x 86.6 mm | 70 kW (95 PS; 94 hp) @5000 rpm | 150 N·m (111 lb·ft) @3100 rpm | 1993–1998 | W202 C 220 D |
| OM 604.910 EVE | 2155 cc | 89.0 x 86.6 mm | 55 kW (75 PS; 74 hp) @5000 rpm | 150 N·m (111 lb·ft) @3100 rpm | 1996–1998 | W202 C 220 D taxis |
| OM 604.912 EVE | 2155 cc | 89.0 x 86.6 mm | 70 kW (95 PS; 94 hp) @5000 rpm | 150 N·m (111 lb·ft) @3100 rpm | 1995–1998 | W210 E 220 D |
| OM 604.912 EVE | 2155 cc | 89.0 x 86.6 mm | 55 kW (75 PS; 74 hp) @5000 rpm | 150 N·m (111 lb·ft) @3100 rpm | 1996–1998 | W210 E 220 D taxis |
| OM 604.915 EVE | 1997 cc | 87.0 x 84.0 mm | 65 kW (88 PS; 87 hp) @5000 rpm | 135 N·m (100 lb·ft) @2000 rpm | 1996–1998 | W202 C 200 D |
| OM 604.917 EVE | 1997 cc | 87.0 x 84.0 mm | 65 kW (88 PS; 87 hp) @5000 rpm | 135 N·m (100 lb·ft) @2000 rpm | 1996–1998 | W210 E 200 D |
