OM660 Mercedes-Benz OM660
Компактний 3-циліндровий дизельний двигун з турбонаддувом, розроблений для економічності та міського використання.
30
Brand engines
5
Modifications
Technical Specifications
| Engine Displacement | 1.1 L (799 cc) |
| Configuration | Inline-3 |
| Number of Cylinders | 3 |
| Valves per Cylinder | 2 |
| Power | 40 - 54 л.с. |
| Torque | 120 - 130 Н*м |
| Cylinder Bore | 72.00 mm |
| Piston Stroke | 80.00 mm |
| Compression Ratio | 20.0:1 |
| Firing Order | 1-2-3 |
| Fuel System | Common Rail Direct Injection |
| Aspiration | Turbocharged |
| Turbocharger | Garrett GT15 |
| Intercooler | Yes |
| Maximum RPM | 4,000 rpm |
| Max Torque RPM | 2,000 rpm |
| Valve Train | SOHC |
| Timing Drive | Belt |
| Timing belt replacement interval | 60,000 km |
| Block Material | Cast Iron |
| Head Material | Aluminum |
| Engine Weight | 120 kg |
| Dimensions (L×W×H) | 600 × 500 × 400 mm |
| Lubrication System | Pressure lubrication |
| Cooling System | Liquid cooling |
Additional Information
| Engine Family | Mercedes-Benz OM engine series |
| Manufacturing Plant | Hambach, France |
Maintenance
| Engine Oil Capacity | 3.5 L (with filter: 3.8 L) |
| Recommended Viscosity | 5W-30 |
| Oil Standard | ACEA C3, API SN |
| Recommended Brands | Mobil 1, Castrol, Shell |
| Oil Change Interval | 15 000 km or 12 mo |
| Oil Filter | A0001801009 |
| Air Filter |
A0000941509
Replace every 30 000 km |
| Spark Plugs | |
| Coolant Capacity | 5 L |
| Coolant Type | G12 (Mercedes-Benz Coolant) |
| Coolant Change Interval | 240 000 km |
| Thermostat Opening Temperature | 88°C |
| Operating Temperature | 90°C |
| Max Operating Temperature | 120°C |
| Critical Temperature | 130°C |
| Annual Maintenance Cost | 500-800 USD |
Reliability
Expected lifespan: 250 000 km
Common problems
| Problem | Severity | Mileage | Repair cost |
|---|---|---|---|
| Turbocharger failure | Medium | 100000-150000 km | $800-1200 |
| EGR valve issues | Medium | 80000-120000 km | $300-500 |
Known defects
- Oil leaks from turbocharger
- Injector failures in early models
Warranty extensions
- Mercedes-Benz extended warranty options available
Tuning potential
Tuning potential: Medium | Max. safe power: 120 hp
| Stage | Power | Torque | Method | Cost |
|---|---|---|---|---|
| Stage 1 | 70 hp | 150 Nm |
ECU remap Reliability impact: Minimal |
$400 |
| Stage 2 | 90 hp | 180 Nm |
ECU, Exhaust Required: Upgraded intercooler, ECU remap Reliability impact: Low |
$1200 |
| Stage 3 | 110 hp | 200 Nm |
- Required: Bigger turbo, Forged internals Reliability impact: Medium |
$2500 |
Popular modifications
- ECU tune
- Upgraded intercooler
- High-flow exhaust
Tuning limitations
- Turbo limitations above 100hp
- Cooling system needs upgrades for high power
Cars with the OM660 engine
This engine was fitted to 2 models
All modifications (5)
| Vehicle | Generation | Modification | Power | Gearbox | Drive |
|---|---|---|---|---|---|
| Smart Forfour | Forfour | 1.5 CDI 68 л.с. 5-МКП 2WD | 68 hp | 5-МКП | 2WD |
| Smart Forfour | Forfour | 1.5 CDI 68 л.с. 6-Автомат 2WD | 68 hp | 6-Автомат | 2WD |
| Smart Fortwo | Fortwo | 0.8 84 л.с. 7-Автомат 2WD | 84 hp | 7-Автомат | 2WD |
| Smart Fortwo | Fortwo | 0.8 84 л.с. 6-МКП 2WD | 84 hp | 6-МКП | 2WD |
| Smart Fortwo | Fortwo II | 0.8 CDI 54 л.с. 5-МКП 2WD | 54 hp | 5-МКП | 2WD |
Interesting Facts
- One of the smallest diesel engines in production.
- Designed for urban driving with low emissions.
Applications
Total produced: 200000
| Vehicle | Generation | Years | Power | Markets |
|---|---|---|---|---|
| Smart Fortwo | 451 | 2007-2015 | 54hp | Europe, Asia |
| Smart Forfour | 454 | 2004-2006 | 40hp | Europe |
Compatible transmissions: 5-speed Manual, 6-speed Automated Manual
Drive types: RWD
Fuel Economy
| Fuel Type | Diesel |
| Consumption (City) | 4.5 L/100km |
| Consumption (Highway) | 3.5 L/100km |
| Consumption (Combined) | 4 L/100km |
| Real Consumption | 4.2 L/100km |
| Fuel Tank Capacity | 33 L |
| Range | 825 km |
| Cost per 100 km | 5-7 USD |
Emissions Standards
| Emission Standard | Euro 5 |
| CO₂ Emissions | 100 g/km |
| Particulate Filter (DPF) |
Present Regeneration every 150,000 km |
| AdBlue | Not Required |
Comparison with competitors
| Engine | Brand | Displacement | Power | Torque |
|---|---|---|---|---|
| 1.5 DCI | Renault | 1,461 cc | 65 hp | 160 Nm |
Pros
- Compact size for city driving.
- Good fuel economy.
Cons
- Limited power for highway driving.
- Turbo lag at lower RPMs.