Mercedes W204 C180 Petrol M271 Fuel Injector Injection Nozzle A2710781123

The Mercedes W204 C180 Petrol M271 Fuel Injector is an original fuel system component designed for the M271 petrol engine in the W204 C-Class model. Precisely selected fuel spray characteristics support stable engine operation, proper running smoothness, and predictable throttle response.

Specifications and technical data

• SKU: A2710781123
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2710781123
• Substitutable numbers: A2710781123, A 271 078 11 23
• Fuel type: Petrol
• Category: Fuel Injectors

Purpose and Role of the Injector in the M271 Engine

The fuel injector for Mercedes W204 C180 operates within the petrol fuel system, responsible for precise fuel metering into the combustion chamber. In the M271 engine, a correctly functioning injector nozzle is crucial for:

• stable idle speed and reduced engine vibration,
• even mixture combustion across the entire load range,
• maintaining proper dynamics during acceleration and overtaking,
• controlling fuel consumption in typical urban and extra-urban conditions.

A properly selected injector nozzle allows the engine to maintain operating parameters as intended by the manufacturer, translating to predictable vehicle behaviour and a reduced risk of secondary faults in the ignition and exhaust systems.

Construction and Operating Characteristics of the Injector Nozzle

The presented component belongs to the category of injector nozzles and is an OEM construction, specifically designed for the requirements of the M271 petrol-powered unit. Key functional features of this type of injector include:

• precise fuel spray pattern, ensuring proper mixing with air in the combustion chamber,
• fast response to engine control unit signals, enabling accurate metering in short operating cycles,
• stable operation across a wide range of pressures typical for petrol systems,
• compatibility with the factory equipment of the M271 engine in the Mercedes W204 C180.

This type of injector nozzle is designed to maintain proper sealing and fuel dose repeatability, which directly impacts exhaust emissions, running smoothness, and engine durability.

Benefits of Using an Original Injector Nozzle

Using the correct fuel injector in the Mercedes W204 C180 offers tangible operational benefits. The most important include:

• maintaining factory engine operating parameters – correct fuel doses and proper atomization,
• reducing the risk of uneven running when cold and hot,
• decreasing the tendency for misfires and jerking during acceleration,
• better integration with the engine control system, without the need for adapting non-original solutions.

For petrol engines, maintaining proper fuel atomization quality is particularly important – a worn or incorrect injector nozzle can lead to increased fuel consumption, power loss, and accelerated wear of ignition system components.

Condition of the Component and Application in Service Practice

The offered fuel injector is a used market component, intended for users and workshops seeking a proven service solution for the M271 petrol engine in the Mercedes W204 C180. This type of part can be used for replacing a single injector or for more extensive service work related to the fuel system.

Before installation, standard workshop procedures are recommended, including checking the fuel system for leaks, the condition of the lines, and the proper operation of other injectors, to fully utilize the potential of the newly installed component.

Diagnostics and Service Knowledge

Problems with injector nozzles – in both petrol and diesel engines – often present similar symptoms: uneven running, power loss, increased fuel consumption. To broaden your knowledge of typical symptoms and diagnostic methods for injection systems, it is worth reading the article diesel injector faults – symptoms, consequences, and diagnostics, which discusses many universal issues also useful when working with petrol units.

Other Mercedes Injector Nozzles

If you need other Mercedes injector nozzles for different cylinders or other models of this brand, check availability in the Mercedes injector nozzles category, where you will find a wide selection of fuel system components tailored to various engine units.