Mercedes W177 C118 Fuel Injector Nozzle M282 A2820702800

Mercedes W177 C118 Fuel Injector Nozzle M282 is a precision component of the gasoline fuel supply system, designed specifically for the M282 engine series. It is responsible for precise fuel metering into the combustion chamber, which translates into stable engine operation, proper running refinement, and predictable throttle response. By maintaining factory injection characteristics, this component helps preserve the correct operating parameters of the engine in Mercedes compact class models.

Specifications and technical data

• SKU: A2820702800
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2820702800
• Substitutable numbers: A2820702800, A 282 070 28 00
• Fuel type: Petrol
• Category: Additional Fuel Injection Parts

Purpose and function in the injection system

The described gasoline injector operates in the modern M282 engine fuel system, used in, among others, W177 and C118 bodies. Its task is to atomize fuel at the appropriate pressure and at a strictly defined time, so that the air-fuel mixture is as homogeneous as possible. A properly functioning injector nozzle reduces phenomena such as rough idling, power drops, or increased fuel consumption.

The injector works with the engine control electronics, which select the injection time and frequency based on sensor data. This makes it possible to maintain stable combustion parameters over a wide range of loads and engine speeds, which is important for both performance and exhaust emissions.

Benefits of using an original injector

Using a component that complies with the factory specification in the M282 gasoline engine allows for maintaining the operating characteristics intended by the manufacturer. Key advantages include:

• maintaining the correct fuel spray pattern and stable atomization throughout the entire engine operating range,
• reducing the risk of fuel flooding or fuel starvation in individual cylinders,
• better repeatability of mixture ignition, which affects the engine's running refinement,
• maintaining exhaust emission parameters at a level close to factory standards.

For the user, this means more predictable vehicle behavior, easier cold starts, and less stress on other fuel and ignition system components. In the case of modern gasoline units such as the M282, the consistency of injection system components has a direct impact on the durability of the entire engine.

Operational characteristics and installation

The injector is designed to work with gasoline fuel, in accordance with the requirements of the M282 unit. The design of the component is adapted to the conditions prevailing in the combustion chamber and to the operating pressure parameters in the fuel system. During replacement, it is recommended to follow service procedures typical for modern gasoline engines, including checking for leaks after installation and verifying operation using a diagnostic tester.

The component comes from the Other injection system parts group, which means it is a specialized part, strictly related to a specific engine configuration. The selection of the correct injector for a given vehicle should take into account the engine type and compatibility with the engine control unit software.

Component condition and practical application

The offered injector is a used part, which in practice allows for an economical repair of the fuel system while maintaining the original design. This type of solution is often chosen in situations where it is necessary to replace a single nozzle or several units in one cylinder bank, and the priority is to maintain factory engine performance characteristics at reasonable service costs.

In the case of M282 units used in W177 and C118 bodies, a properly selected injector helps restore stable engine operation after symptoms such as misfiring, jerking during acceleration, or increased fuel consumption occur. This is particularly important in cars used intensively in urban traffic, where the injection system operates under variable load conditions.

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other components from the same group, such as additional injectors, fuel rails, or fuel dose control elements, check the available parts in the Other Mercedes injection system parts category.

Technical support and part selection

When working with modern injection systems, it is worth using reliable sources of knowledge about the impact of original components on the vehicle's character. A good point of reference may be an article describing how maintaining the brand's factory specificity depends on the components used – you can find more on this topic in the material Audi and emotions in their purest form. How do used parts help maintain the brand's DNA?. Although it concerns a different manufacturer, it well illustrates the importance of proper component selection in the context of durability and driving experience.