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.
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) |
Block material | Aluminium alloy |
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 | 135–220 kW (184–299 PS; 181–295 hp) |
Torque output | 280–400 N⋅m (207–295 lb⋅ft) |
Chronology | |
Predecessor | M270/M274 |
Successor | M254 (for 1.5 / 2.0L M264) |
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 |
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M260 E20 DE LA |
2.0 L; 121.5 cu in (1,991 cc) | 165 kW (224 PS; 221 hp) at 5,500 rpm |
350 N⋅m (258 lb⋅ft) at 1,800–4,000 rpm |
2017– |
M264 E15 DEH LA |
1.5 L; 91.4 cu in (1,497 cc) | 135 kW (184 PS; 181 hp) at 5,800–6,100 rpm |
280 N⋅m (207 lb⋅ft) at 1,800–4,000 rpm |
2017– |
116 kW (158 PS; 156 hp)[4] | 250 N⋅m (184 lb⋅ft) | |||
125 kW (170 PS; 168 hp) | 250 N⋅m (184 lb⋅ft) | |||
150 kW (204 PS; 201 hp) | 300 N⋅m (221 lb⋅ft) | |||
M264 E20 DEH LA |
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– |