Mercedes SLK350 R171 Fuel Distributor Injection Rail Injectors A2720701395

The Mercedes SLK350 R171 Fuel Rail with Injectors A2720701395 is a complete fuel rail assembly with gasoline injectors, designed for the fuel system of the SLK350 R171 generation model. This component belongs to the injector nozzles category and is a precise part of the fuel system, responsible for proper fuel delivery to the engine.

Specifications and technical data

• SKU: A2720701395
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2720701395
• Substitutable numbers: A2720701395, A 272 070 13 95, A2720780092, A 272 078 00 92
• Fuel type: Petrol
• Category: Fuel Injectors

Purpose and Function in the Fuel System

The fuel rail with injectors in the Mercedes SLK350 R171 is responsible for stable fuel distribution to individual cylinders and for maintaining the correct operating pressure in the system. The integrated gasoline injectors ensure precise fuel atomization, which translates to correct engine operation, smooth idling, and proper response to load.

This component is crucial for:

• maintaining the correct air-fuel mixture across the entire RPM range,
• stable idling and performance during acceleration,
• reducing fuel consumption while maintaining nominal performance,
• lowering exhaust emissions through accurate gasoline dosing.

Technical Characteristics and Compatibility

The presented fuel rail with injectors falls under the injector nozzles category and is designed for gasoline engine fuel systems. Its construction is based on factory solutions used in Mercedes vehicles, ensuring compatibility with the original engine performance characteristics.

Key functional features include:

• dedicated application for Mercedes SLK350 R171 – maintaining original geometry and mounting points,
• integrated gasoline injectors – simplified installation and servicing,
• OE-class component – matching the factory engine control system.

By preserving the original fuel system architecture, installing this rail does not require modifications to the wiring or changes to the engine control unit, which is important for reliability and diagnostics.

Component Condition and Installation Aspects

The fuel rail with injectors is offered as a used part, allowing for an economical repair of the fuel system while maintaining original specifications. This type of component is particularly useful for:

• mechanical damage to the rail or injector seats,
• fuel delivery issues resulting from faulty injectors,
• the need for a comprehensive replacement of the injection section in a gasoline engine.

Due to the nature of the component, installation is recommended at a specialized service center, using appropriate tools and procedures for bleeding and checking the fuel system for leaks. A correctly installed fuel rail with injectors will restore stable engine operation and facilitate subsequent computer diagnostics.

Benefits of Using an Original Fuel Rail

Using a fuel rail with injectors specifically designed for the Mercedes SLK350 R171 offers a range of practical benefits:

• maintaining factory operating parameters – no need for ECU adaptation to aftermarket parts with different characteristics,
• compatibility with the engine control system – correct interaction with sensors and injection maps,
• easier diagnostics – measurement values fall within the ranges specified by the manufacturer,
• optimized repair costs – a used original part often provides better durability than low-quality aftermarket alternatives.

If you are experiencing issues with the injection system, it is also worth consulting the guide on injector diagnostics, available at: injector malfunctions – symptoms, consequences, and diagnostics. Although the article focuses on diesel units, the principles described for identifying injector malfunctions are also helpful when analyzing the behavior of gasoline engines.

Other Mercedes Injector Nozzles

If you are looking for other Mercedes injector nozzles for various models of this brand, check the available items in our assortment: Mercedes injector nozzles. This will help you easily select a component tailored to a specific engine and vehicle generation.