Mercedes-Benz M260/M264 engine

Last updated
Mercedes-Benz M260/M264
Mercedes M260 engine.png
Overview
Manufacturer Mercedes-Benz
Production2017–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 materialAluminium 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.

Contents

Design

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]

Models

EngineDisplacementPowerTorqueYears
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–

M260 E20 DE LA

M264 E15 DEH LA

M264 E20 DEH LA

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References

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