Mercedes W164 W203 W204 W211 M272 Fuel Injector A2720780249 is an original injector nozzle from the Mercedes group, designed for M272 series gasoline engines in popular C-Class, E-Class, and SUV models. This used OEM part ensures a factory fit for the fuel system, facilitating installation and minimizing compatibility issues.
Specifications and technical data
- SKU: A2720780249
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A2720780249
- Substitutable numbers: A2720780249, A 272 078 02 49
- Category: Fuel Injectors
Injector Application in M272 Engines
The presented injector nozzle is intended for M272 series power units used in Mercedes W164, W203, W204, and W211 models. The OEM design guarantees proper fuel atomization parameters, contributing to stable engine operation across the entire load range.
Choosing an original injector is crucial for:
- maintaining the correct mixture composition across the entire RPM range,
- reducing knocking combustion and undesirable engine vibrations,
- preserving the factory performance and smooth operation of the M272 engine.
OEM Construction and Characteristics
The Mercedes fuel injector from the Injector Nozzles category is designed as a precision component, working in conjunction with the factory engine control system. Appropriately selected flow rates and fuel spray patterns ensure even fueling of all cylinders.
Key features of this component include:
- factory fit for cylinder head ports in M272 engines,
- compatibility with the manufacturer's stock injection map,
- stable operation across a wide range of fuel system pressures.
Benefits of Using an Original Injector Nozzle
Opting for an original Mercedes injector over an aftermarket alternative helps reduce the risk of operational problems and premature engine wear. A correctly chosen component aids in:
- maintaining smooth idle operation without misfires,
- improving throttle response through accurate fuel metering,
- reducing the risk of excessive catalytic converter wear caused by incorrect exhaust gas composition.
A used OEM part is a good solution for professional fuel system repairs when aiming to maintain factory engine performance parameters at a reasonable service cost.
Component Condition and Installation Recommendations
This Mercedes fuel injector is a used part obtained from disassembly. Before installation, standard servicing procedures are recommended, such as leak testing, bench testing, and replacing seals according to the vehicle manufacturer's procedure. Proper installation ensures seamless integration with the existing fuel system.
To ensure long-term fuel system efficiency, it is also advisable to pay attention to:
- the condition of other injectors in the engine,
- the cleanliness of the fuel and filter in the system,
- the proper operation of the high-pressure pump and regulators.
Diagnostics and Technical Knowledge
Fuel injection problems often manifest as uneven engine operation, power loss, or increased fuel consumption. Although this component is for a gasoline engine, many principles of injector system diagnostics are common. It is worth familiarizing yourself with the material describing typical symptoms and consequences of neglect, available in the article diesel injector faults – symptoms, consequences, and diagnostics, to better understand the importance of functional injector nozzles in any modern engine.
Other Mercedes Injector Nozzles
If you are looking for other Mercedes injector nozzles for different cylinders or engine variants, check the available products in the Mercedes injector nozzles category, where you will find a wide selection of used OEM parts compatible with many models of this brand.
