Mercedes W205 W213 C238 Engine Exhaust EGR Valve Cooler M274 Petrol A2741420000

Mercedes W205 W213 C238 Engine Exhaust EGR Valve Cooler M274 Petrol is an original exhaust gas recirculation system component, designed for M274 series petrol engines. Thanks to its factory-spec design, it ensures proper exhaust gas cooling, stable engine operation, and compliance with emission standards in modern Mercedes C-Class and E-Class models.

Specifications and technical data

• SKU: A2741420000
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2741420000
• Substitutable numbers: A2741420000, A 274 142 00 00
• Fuel type: Petrol
• Part type: EGR Valve
• Category: EGR Parts & Valves

Purpose and function in the EGR system

The presented EGR valve cooler operates within the exhaust circuit of the M274 petrol engine, where it is responsible for lowering the temperature of gases redirected to the intake manifold. A properly functioning component of this type:

• stabilizes the temperature of exhaust gases directed to the intake system,
• supports uniform combustion of the air-fuel mixture,
• reduces nitrogen oxide emissions,
• decreases thermal load on other exhaust system components. As a result, the EGR system in your Mercedes maintains correct operating parameters, and the engine retains its predictable torque characteristics and fuel consumption.

Compatibility with the M274 unit (petrol)

The cooler has been designed specifically for M274 petrol engines used in modern Mercedes C-Class (W205) and E-Class (W213, C238) models. This means that the geometry of the ports, mounting points, and exhaust channel routing are matched to the factory architecture of the engine, which facilitates installation and reduces the risk of leaks. Being dedicated to a specific fuel type translates into appropriately selected materials and internal construction, adapted to the thermal and chemical characteristics of exhaust gases from a petrol engine. For the user, this means seamless cooperation with the original EGR valve and other system components.

Benefits of using an original EGR valve cooler

Using a factory component instead of a worn or damaged EGR cooler provides a number of practical operational benefits:

• preservation of factory exhaust gas recirculation system parameters,
• reduced risk of exhaust gas overheating in the EGR valve area,
• more stable engine operation at low and medium RPMs,
• reduction of EGR-related errors in the engine control unit. For workshops and users, this means easier diagnostics, predictable installation, and greater confidence in long-term operation compared to random replacements of unknown origin.

Characteristics of the used component

The offered EGR valve cooler comes from dismantling, which allows combining original build quality with an attractive purchase price. The used OEM component retains factory geometry and fitment, while enabling an economical repair of the exhaust gas recirculation system in premium class vehicles. Choosing such a solution is particularly beneficial for vehicles a few years old, where the priority is maintaining technical efficiency and compliance with emission requirements at reasonable service costs.

Support for upgrades and additional materials

If you are planning a comprehensive renovation or gradual upgrade of your Mercedes from years close to youngtimers and want to better understand how to use used parts to refresh a premium car, check out the article The second life of a youngtimer – how used car parts rejuvenate cars from 1998–2012, where you will find practical upgrade scenarios and answers to the most frequently asked questions. If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other elements from the same group, such as exhaust gas coolers, valve modules, or recirculation pipes, check the available parts in the Mercedes EGR valves and parts category.