Mercedes-Benz M260/M264 | |
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Overview | |
Manufacturer | Mercedes-Benz |
Production | 2017–present |
Layout | |
Configuration | Inline-four engine |
Displacement | 1.5 L (1,497 cc) (M264) 2.0 L (1,991 cc) (M260, M264) |
Cylinder bore | 80.4 mm (3.17 in) 83 mm (3.27 in) |
Piston stroke | 73.7 mm (2.90 in) 92 mm (3.62 in) |
Cylinder block material | Aluminium alloy |
Cylinder head material | Aluminium alloy |
Valvetrain | DOHC 4 valves x cyl. with VVT |
Compression ratio | 10.5:1 |
Combustion | |
Supercharger | BorgWarner's e-Booster (2019–) |
Turbocharger | Single twin-scroll |
Fuel system | Direct injection |
Fuel type | Petrol |
Cooling system | Water cooled |
Output | |
Power output | 135–225 kW (184–306 PS; 181–302 hp) |
Torque output | 280–400 N⋅m (207–295 lb⋅ft) |
Chronology | |
Predecessor | M270/M274 |
Successor | M254 (for 1.5 / 2.0L M264) |
The M260 and M264 are turbocharged inline-four engines produced by Mercedes-Benz since 2017. It is the successor to the M270 and M274 engine.
Both engines are based upon the outgoing M270 and the M274 respectively. Like the M270 and the M274, the M260 refers to the transverse configuration (for front-wheel drive models) while the M264 refers to the longitudinally mounted engine (for rear-wheel drive models). [1] They use dual overhead camshafts with 4 valves per cylinder, feature twin-scroll turbochargers, [2] and have particulate filters installed. M264 engines also have intake variable valve timing and a 48V system that powers the electric auxiliary compressor and integrated starter alternator. However, unlike M256 which uses a BorgWarner electric auxiliary compressor, the M264 has a belt-driven starter-alternator combo as well as a 48V electric water pump. [3]
Engine | Displacement | Power | Torque | Years |
---|---|---|---|---|
M260 E20 DE LA D260.920 | 2.0 L; 121.5 cu in (1,991 cc) | 140 kW (190 PS; 188 hp) at 5,500 rpm | 300 N⋅m (221 lbf⋅ft) at 1,800–4,000 rpm | 2017– |
165 kW (224 PS; 221 hp) at 5,500 rpm | 350 N⋅m (258 lb⋅ft) at 1,800–4,000 rpm | |||
225 kW (306 PS; 302 hp) at 5,800-6,100 rpm | 400 N⋅m (295 lbf⋅ft) at 3,000–4,000 rpm | |||
M264 E15 DEH LA D264.915 | 1.5 L; 91.4 cu in (1,497 cc) | 116 kW (158 PS; 156 hp) [4] | 250 N⋅m (184 lb⋅ft) | 2017– |
125 kW (170 PS; 168 hp) | 250 N⋅m (184 lb⋅ft) | |||
135 kW (184 PS; 181 hp) at 5,800–6,100 rpm | 280 N⋅m (207 lb⋅ft) at 1,800–4,000 rpm | |||
150 kW (204 PS; 201 hp) | 300 N⋅m (221 lb⋅ft) | |||
M264 E20 DEH LA D264.920 | 2.0 L; 121.5 cu in (1,991 cc) | 145 kW (197 PS; 194 hp) at 5,800–6,100 rpm | 320 N⋅m (236 lb⋅ft) at 1,650–4,000 rpm | 2019– |
190 kW (258 PS; 255 hp) at 5,800–6,100 rpm | 370 N⋅m (273 lb⋅ft) at 1,800–4,000 rpm | 2017– | ||
220 kW (299 PS; 295 hp) at 5,800–6,100 rpm | 400 N⋅m (295 lb⋅ft) at 3,000–4,000 rpm | 2017– |
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