Mercedes M274 Petrol Engine Manuals
The Mercedes-Benz M274 inline 4-cylinder petrol engine came in two versions, 1.6 L; 97.3 cu in (1,595 cc) and 2.0 L; 121.5 cu in (1,991 cc) and was produced from 2011-
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Download: M274 Engine Introduction Into Service
Mercedes Benz M274 4-Cylinder Engine Introduction
Overview Manual: Describes engine components, operation, specs
Application W204, Publication Date: 03 - 2012
Download: 12.3mb, 64 pages, Format: pdf
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$9.95
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M274 Engine Technical Data
The Mercedes-Benz M274 engine is a turbocharged Inline-four cylinder that appeared on Ward's 10 Best Engines list for 2017 and was the successor to previous M271 engines.
The M274 is designed as a longitudinally-mounted layout motor for rear-wheel drive vehicles with dual overhead camshafts, 4 valves per cylinder, variable valve timing, direct injection and complies with the EU6 emissions standard. The 2.0 liter (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. The M274 was also used in the Infiniti Q50 since 2014.
Specifications
| Engine | Displacement | Power | Torque | Years |
|---|---|---|---|---|
| M274 DE16 LA | 1.6 L; (1,595 cc) | 127 hp at 5,000 rpm | 155 lb-ft at 1,200-4,000 rpm | 2015- |
| 154 hp at 5,300 rpm | 184 lb-ft at 1,250-4,000 rpm | 2012- | ||
| M274 DE20 LA | 2.0 L; (1,991 cc) | 154 hp at 5,000 rpm | 199 lb-ft at 1,250-4,000 rpm | 2013- |
| 181 hp at 5,500 rpm | 221 lb-ft at 1,200-4,000 rpm | |||
| 208 hp at 5,500 rpm | 258 lb-ft at 1,200-4,000 rpm | |||
| 241 hp at 5,500 rpm | 273 lb-ft at 1,300-4,000 rpm | 2015- |
- Production 2011-
- Configuration Inline 4
- Displacement 1.6 L (1,595 cc) (M274/M274 DE16)
- 2.0 L (1,991 cc) (M274/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)
- Block material Aluminium alloy
- Head material Aluminium 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)
- Turbocharger Single-turbo
- Fuel system Direct injection
- Fuel type Gasoline
- Cooling system Water cooled
- Power output 75–180 kW (101–241 hp; 102–245 PS)
- Torque output 180–370 Nm (133–273 lb-ft)
M274 Versions and Application
M274 DE16 LA
95 kW version applications
- 2015–present W205 C160
115 kW version applications
- 2012–2013 W204 C180
- 2013–2016 W212 E180
M274 DE20 LA
115 kW version
- 2013–2016 W212 E200 Natural Gas Drive
135 kW version applications
- 2013–2016 W212 E200
- 2013–2016 X204 GLK200
- 2014–2018 W205 C200
- 2015–present R172 SLK200
- 2016–present W213 E200
155 kW version applications
- 2013–2016 W212 E250
- 2013–2016 X204 GLK250
- 2014–2018 W205 C250
- 2015–2018 W205 C350e
- 2015-present V37 Q50
- 2016–present W213 E250
- 2016–present W213 E350e
- 2015–present X253 GLC350e
- 2016-present CV37 Q60
- 2018-present Y51 Q70[5][6]
180 kW version applications
- 2015–2018 W205 C300
- 2015–2018 W213 E300
- 2015–present X253 GLC300
- 2015–present R172 SLK300
- 2015–present X253 GLC300 / GLC300 4 Matic
M274 Engine Resources
