Mercedes-Benz M270/M274 engine

Mercedes-Benz M270/M274
Overview
ManufacturerMercedes-Benz
Production2011 – present
Layout
ConfigurationInline 4
Displacement1.6 L (1,595 cc) (M270/M274 DE16)
2.0 L (1,991 cc) (M270/M274 DE20)
Cylinder bore83 mm (3.27 in)
Piston stroke73.7 mm (2.90 in) (1.6 L)
92 mm (3.62 in) (2.0 L)
Cylinder block materialAluminium alloy
Cylinder head materialAluminium alloy
ValvetrainDOHC 4 valves x cyl. with VVT
Compression ratio10.3:1 (1.6 L engines)
9.8:1 (2.0 L engines)
Combustion
SuperchargerBorgWarner's e-Booster (2019–)
TurbochargerSingle-turbo
Fuel systemDirect injection
Fuel typeGasoline
Cooling systemWater cooled
Output
Power output75–180 kW (101–241 hp; 102–245 PS)
Torque output180–370 N⋅m (133–273 lb⋅ft)
Chronology
PredecessorM266 and M271
SuccessorM260/M264 and M282

The M270 and M274 are turbocharged inline-four engines produced by Mercedes-Benz since 2011. They are the successor to the previous M266 and M271 engines respectively. The engine appeared on the Ward's 10 Best Engines list for 2017.

Design

M270 refers to the transverse configuration for front-wheel drive vehicles, while M274 refers to the longitudinally-mounted layout for rear-wheel drive vehicles.[1] Both engines are based on the same design with dual overhead camshafts, 4 valves per cylinder, variable valve timing, direct injection, and compliance with the EU6 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 the Infiniti Q50 since 2014.[4]

M270 engine

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–

M270 DE16 LA R

75 kW version

90 kW version

M270 DE16 LA

M270 DE20 LA

115 kW version

135 kW version

155 kW version

160 kW version

M274 engine

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–

M274 DE16 LA

95 kW version

115 kW version

M274 DE20 LA

115 kW version

135 kW version

155 kW version

180 kW version

References

  1. ^ "2017 Winner: Mercedes-Benz C300 2.0L Turbocharged DOHC 4-Cyl". WardsAuto. 2017-01-10. Archived from the original on 2018-07-03. Retrieved 2018-07-03.
  2. ^ "Introduction of the New Inline Engine Generation 4-Cylinder M 274". www.motor-talk.de. Archived from the original on 2018-07-03. Retrieved 2018-07-03.
  3. ^ "Mercedes Premium 4-Cyl. Engine Does Everything Well". WardsAuto. 2017-12-04. Archived from the original on 2018-07-03. Retrieved 2018-07-03.
  4. ^ "Infiniti Q50 2.0T: Review | PistonHeads". www.pistonheads.com. Archived from the original on 2018-07-03. Retrieved 2018-07-03.
  5. ^ China model only
  6. ^ "性能 | Q70L | 英菲尼迪中国". Archived from the original on 2018-10-31. Retrieved 2018-11-01.