Turbocharger Mercedes W204 W212 W213 X253 Petrol M274 Turbo Manifold A2740903980

The Mercedes W204 W212 W213 M274 Petrol Turbocharger Manifold is an original turbocharger and parts component designed for the M274 series petrol engines. This used turbocharger with exhaust manifold provides a functional service solution for Mercedes C-Class, E-Class, and other models based on this engine.

Specifications and technical data

• SKU: A2740903980
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2740903980
• Substitutable numbers: A2740903980, A 274 090 39 80
• Fuel type: Petrol
• Category: Turbos & Parts

Purpose and application in the M274 engine

This Mercedes turbocharger and manifold are designed to work with the M274 petrol engine, found in the popular W204, W212, and W213 models. Integrating the turbine with the exhaust manifold ensures compact dimensions, reduces the number of connections, and simplifies installation in the engine compartment, which is especially important in modern, densely packed engines.

This solution allows for effective engine boost, improved torque characteristics in the low and mid-range, and maintaining stable operating parameters during dynamic driving. For the user, this translates into efficient throttle response and predictable drivetrain behavior.

Construction and technical characteristics

The turbocharger integrated with the exhaust manifold in the M274 petrol engine operates at high temperatures and under significant loads, therefore the OEM design is optimised for:

• thermal stability – appropriate geometry of exhaust gas channels limits local overheating,
• mechanical stiffness – the solid collector body minimizes the risk of cracks during long-term use,
• flow efficiency – the refined shape of the channels improves the flow of exhaust gases onto the turbine rotor.

Thanks to the factory design for a specific petrol engine, the correct boost characteristics are maintained, and the pressure control (depending on the vehicle configuration) works with the engine electronics without the need for additional modifications.

Condition, selection and assembly aspects

The turbocharger and manifold offered are used parts, allowing for cost-effective repair of the supercharging system while maintaining the original manufacturer's specifications. In practice, this means the engine can be restored to proper operation without having to invest in a new component, while maintaining factory fit.

Before installation, standard service activities typical of turbocharging systems in petrol engines are recommended:

• verification of the lubrication system (oil pipes patency, oil condition),
• checking the tightness of the intake and exhaust system,
• control of the cooling system, if the turbine configuration requires it,
• adaptation of operating parameters in the engine controller, if provided for in the service procedure.

Correct installation by an experienced service center reduces the risk of re-damage and allows you to fully utilize the potential of the M274 unit's charging system.

Benefits of using an original Mercedes turbocharger

Choosing an original turbocharger with manifold for your Mercedes offers a number of practical benefits:

• factory fit – no problems with mounting geometry, port position and compatibility with engine accessories,
• consistency with the controller software – operating characteristics consistent with the injection and ignition maps for the M274 petrol engine,
• predictable operating parameters – maintaining factory values of boost pressure and load response,
• cost-effective repair – a used OEM part often represents a good compromise between cost and durability.

For workshops and private users, this means a reduced risk of problems after installation and easier diagnosis if further service work is required.

Related Mercedes Turbochargers and Technical Knowledge

If you are looking for other turbochargers for Mercedes from the same category, check the turbochargers and parts for Mercedes available in our store to select the component best suited to the specific engine version and year of the vehicle.

For comprehensive drive system repairs – especially when you are servicing the clutch, gearbox or drivetrain components at the same time – the guide article Clutch and dual-mass flywheel – diagnostics and selection of parts for the drive system can be helpful, as it helps you plan the full scope of service work around the drive unit.