| Mercedes-Benz M270/M274 | |
|---|---|
 | |
| Overview | |
| Manufacturer | Mercedes-Benz |
| Production | 2011 – present |
| Layout | |
| Configuration | Inline 4 |
| Displacement | 1.6 L (1,595 cc) (M270/M274 DE16) 2.0 L (1,991 cc) (M270/M274 DE20) |
| Cylinder bore | 83 mm (3.27 in) |
| Piston stroke | 73.7 mm (2.90 in) (1.6 L) 92 mm (3.62 in) (2.0 L) |
| Cylinder block material | Aluminium alloy |
| Cylinder head material | Aluminium alloy |
| Valvetrain | DOHC4 valves x cyl. withVVT |
| Compression ratio | 10.3:1 (1.6 L engines) 9.8:1 (2.0 L engines) |
| Combustion | |
| Supercharger | BorgWarner's e-Booster (2019–) |
| Turbocharger | Single-turbo |
| Fuel system | Direct injection |
| Fuel type | Gasoline |
| Cooling system | Water cooled |
| Output | |
| Power output | 75–180 kW (101–241 hp; 102–245 PS) |
| Torque output | 180–370 N⋅m (133–273 lb⋅ft) |
| Chronology | |
| Predecessor | M266 andM271 |
| Successor | M260/M264 andM282 |
TheM270 andM274 areturbochargedinline-four engines produced byMercedes-Benz since 2011. They are the successor to the previousM266 andM271 engines respectively. The engine appeared on theWard's 10 Best Engines list for 2017.
M270 refers to thetransverse configuration forfront-wheel drive vehicles, while M274 refers to thelongitudinally-mounted layout forrear-wheel drive vehicles.[1] Both engines are based on the same design withdual overhead camshafts, 4 valves per cylinder,variable valve timing,direct injection, and compliance with theEU6 emissions standard.[2] A 2.0 litres (1,991 cc) engine was introduced in September 2012 featuring an increased piston stroke up to 92 mm (3.62 in), increased performance figures, and a 9.8:1 compression ratio.[3] The M274 engine was also used on theInfiniti Q50 since 2014.[4]
| Engine | Displacement | Power | Torque | Years |
|---|---|---|---|---|
| M270 DE16 LA R | 1.6 L; 97.3 cu in (1,595 cc) | 75 kW (101 hp; 102 PS) at 4,500–6,000 rpm | 180 N⋅m (133 lb⋅ft) at 1,200–3,500 rpm | 2015– |
| 90 kW (121 hp; 122 PS) at 5,000 rpm | 200 N⋅m (148 lb⋅ft) at 1,250–4,000 rpm | 2011– | ||
| M270 DE16 LA | 115 kW (154 hp; 156 PS) at 5,000 rpm | 250 N⋅m (184 lb⋅ft) at 1,250–4,000 rpm | ||
| M270 DE20 LA | 2.0 L; 121.5 cu in (1,991 cc) | 115 kW (154 hp; 156 PS) at 5,000 rpm | 270 N⋅m (199 lb⋅ft) at 1,250–4,000 rpm | 2013– |
| 135 kW (181 hp; 184 PS) at 5,000 rpm | 300 N⋅m (221 lb⋅ft) at 1,250–4,000 rpm | |||
| 155 kW (208 hp; 211 PS) at 5,500 rpm | 350 N⋅m (258 lb⋅ft) at 1,200–4,000 rpm | 2012– | ||
| 160 kW (215 hp; 218 PS) at 5,500 rpm | 350 N⋅m (258 lb⋅ft) at 1,200–4,000 rpm | 2015– |
75 kW version
90 kW version
115 kW version
135 kW version
155 kW version
160 kW version
| Engine | Displacement | Power | Torque | Years |
|---|---|---|---|---|
| M274 DE16 LA D274.910 | 1.6 L; 97.3 cu in (1,595 cc) | 95 kW (127 hp; 129 PS) at 5,000 rpm | 210 N⋅m (155 lb⋅ft) at 1,200–4,000 rpm | 2015– |
| 115 kW (154 hp; 156 PS) at 5,300 rpm | 250 N⋅m (184 lb⋅ft) at 1,250–4,000 rpm | 2012– | ||
| M274 DE20 LA D274.920 | 2.0 L; 121.5 cu in (1,991 cc) | 115 kW (154 hp; 156 PS) at 5,000 rpm | 270 N⋅m (199 lb⋅ft) at 1,250–4,000 rpm | 2013– |
| 135 kW (181 hp; 184 PS) at 5,500 rpm | 300 N⋅m (221 lb⋅ft) at 1,200–4,000 rpm | |||
| 155 kW (208 hp; 211 PS) at 5,500 rpm | 350 N⋅m (258 lb⋅ft) at 1,200–4,000 rpm | |||
| 180 kW (241 hp; 245 PS) at 5,500 rpm | 370 N⋅m (273 lb⋅ft) at 1,300–4,000 rpm | 2015– | ||
| 189 kW (253 hp; 257 PS) at 5,800 – 6,100 rpm | 2019– |
95 kW version
115 kW version
115 kW version
135 kW version
155 kW version
180 kW version