Mercedes-Benz M133 engine

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Mercedes-Benz M133
Mercedes-Benz Motor 133.JPG
Overview
Manufacturer Mercedes-AMG
Production2013–2019
Layout
Configuration Inline-four engine
Displacement 2.0 L (1,991 cc)
Cylinder bore 83 mm (3.27 in)
Piston stroke 92 mm (3.62 in)
Block material Aluminium alloy
Head materialAluminium alloy
Valvetrain DOHC
Compression ratio 8.6:1
Combustion
Turbocharger Single twin-scroll
Fuel system Direct injection
Fuel type Gasoline
Output
Power output 265–280 kW (360–381 PS; 355–375 hp)
Torque output 450–475 N⋅m (332–350 lb⋅ft)
Dimensions
Dry weight147.8 kg (326 lb)
Chronology
Successor Mercedes-Benz M139 engine

The M133 is a turbocharged inline-four engine produced by Mercedes-Benz. Since its debut in 2013, it has been awarded International Engine of the Year three times in the "Best New Engine" and "1.8-litre to 2-litre" categories. [1]

Contents

Design

The M133 is based on the M270 engine but has been extensively revised by AMG. [2] It features a twin-scroll turbocharger, BlueDIRECT direct injection, iron-carbon alloy on the cylinder walls to reduce friction, and zircon in the cylinder heads to increase thermal conductivity. [3] The cooling system is also based on the one found in the Mercedes-Benz SLS AMG. [4] The M133 was updated in 2015, and features performance improvements of 15 kW (20 PS; 20 hp) and 25 N⋅m (18 lb⋅ft). [5]

Models

EnginePowerTorqueYears
M133 DE20 LA265 kW (360 PS; 355 hp)
at 6,000 rpm
450 N⋅m (332 lb⋅ft)
at 2,250–5,000 rpm
2013–2015
280 kW (381 PS; 375 hp)
at 6,000 rpm
475 N⋅m (350 lb⋅ft)
at 2,250–5,000 rpm
2015–2018

M133 DE20 LA (265 kW version)

M133 DE20 LA (280 kW version)

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References

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