Mercedes W205 W213 C43 Fuel Injector Rail Line Left N/S M276 A2760781245

Mercedes W205 W213 C43 Fuel Injector Rail Line Left N/S M276 is an original fuel system component designed for operation on the left side of the engine. Thanks to its factory design, it ensures precise fuel delivery to the injectors and stable engine performance, which translates into efficient and smooth operation of the M276 unit in C43 models.

Specifications and technical data

• SKU: A2760781245-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2760781245
• Substitutable numbers: A2760781245, A 276 078 12 45, A2760700400, A 276 070 04 00
• Location on the vehicle: Left
• Part type: Fuel Rail (Ramp)
• Category: Additional Fuel Injection Parts

Purpose and function of the fuel injector rail

The presented fuel injector rail is a component of the injection system responsible for distributing fuel at the appropriate pressure to individual cylinders. Mounted on the left side of the engine, it works in conjunction with the injectors and other fuel system components, ensuring stable operating conditions for the engine in Mercedes W205 and W213 series C43 versions.

Thanks to a design compliant with the manufacturer's factory standards, the rail maintains the correct geometry of connections and mounting points, which facilitates installation and minimizes the risk of leaks in the fuel system.

Benefits of using an original fuel injector rail

Using an original fuel injector rail in the M276 engine allows for maintaining injection system performance parameters at the level intended by the manufacturer. This translates into:

• stable fuel pressure across the entire engine load range,
• correct fuel dosing by the injectors,
• reduced risk of power loss and hesitation during acceleration,
• better engine refinement.

This component, sourced from a Mercedes vehicle, is designed for long-term operation, and its construction is adapted to the loads typical for a high-performance engine, such as in the C43 version.

Vehicle placement and installation aspects

The fuel injector rail is intended for installation on the left side of the engine, which is important both when selecting parts and when planning service work. Proper matching of the installation side is crucial for maintaining the correct routing of fuel lines and compatibility with engine accessories.

Before installation, it is recommended to verify the component's compatibility with the specific vehicle configuration and to check the condition of seals and connections. A correctly selected fuel injector rail reduces the risk of fuel leaks and makes it easier to maintain the tightness of the entire system.

Application in Mercedes injection systems

The product belongs to the Other injection system parts group, which means it works with a range of components responsible for preparing the air-fuel mixture. In practice, the rail acts as a link between the fuel pump and the injectors, and its efficiency has a direct impact on dynamics, fuel consumption, and exhaust emissions.

In the case of upgrading or repairing the injection system in a Mercedes C-Class or E-Class with an M276 engine, using the correct rail on the left side of the engine allows for maintaining factory performance parameters and reduces the need for additional system modifications.

Integration with other components and part selection

When planning service work within the injection system, it is worth paying attention to the condition of cooperating components, such as injectors, fuel lines, or mounting elements. Consistent selection of parts from the same functional group facilitates maintaining stable engine performance and reduces the risk of subsequent leaks.

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 rails, fuel lines, or mounting elements, check the available parts in the Other Mercedes injection system parts category.

Technical support and knowledge about used parts

When selecting used injection system components, it is worth considering not only the price but also the origin of the part and its compatibility with the specific engine version. A properly selected fuel injector rail allows you to optimize repair costs without sacrificing the correct performance parameters of the engine.

If you are interested in the broader context of using used components in the automotive industry and want to better plan the upgrade or repair of your car, the guide on tuning and maintenance using salvaged parts, available in the article Tuning with used parts – how to gain performance without spending a fortune, may be helpful.

For a comparison of approaches to vehicle maintenance using parts from professional dismantling, you can also familiarize yourself with the material describing strategies for reducing service costs using another brand as an example, available in the article VW vehicles: economical restoration of full efficiency thanks to parts from professional dismantling.