Mercedes-Benz M270/M274 engine

Last updated
Mercedes-Benz M270/M274
M270 quer.jpg
Overview
Manufacturer Mercedes-Benz
Production2011 – 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 materialAluminium alloy
Valvetrain DOHC 4 valves x cyl. with VVT
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 and M271
Successor M260/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.

Contents

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

EngineDisplacementPowerTorqueYears
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

EngineDisplacementPowerTorqueYears
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

Mercedes-Benz M274 W205 C350e.jpg

155 kW version

180 kW version

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