Mercedes W204 C219 W221 CGI Fuel Distributor Injection Petrol Engine A2720701695

The Mercedes W204 C219 W221 CGI Fuel Distributor is a component of the gasoline fuel supply system designed for Mercedes CGI engines, responsible for precisely distributing fuel to the injector nozzles. A properly selected distributor stabilizes the fuel rail pressure and supports the smooth operation of the engine, which translates to improved engine performance and efficiency.

Specifications and technical data

• SKU: A2720701695
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2720701695
• Substitutable numbers: A2720701695, A 272 070 16 95
• Fuel type: Petrol
• Category: Fuel Injectors

Purpose and Role in the Injection System

The fuel distributor/manifold for CGI engines operating on gasoline is responsible for evenly supplying all injector nozzles in the fuel rail. In gasoline direct injection systems, stable pressure and consistent fuel distribution are crucial for:

• maintaining the correct fuel dosage for each cylinder,
• reducing misfires and engine vibrations,
• decreasing fuel consumption while maintaining nominal performance,
• reducing exhaust emissions through proper injector system operation.

In Mercedes C-Class W204, CLS C219, and S-Class W221 models with CGI engines, a functional fuel distributor is essential for maintaining stable operation at idle and under load.

Category: Injector Nozzles and System Cooperation

This product belongs to the Injector Nozzles category, meaning it is directly related to the precise operation of gasoline injection. The distributor works in conjunction with:

• injector nozzles responsible for atomizing fuel in the combustion chamber,
• the high-pressure system ensuring the correct supply level,
• the engine control unit (ECU), which determines the fuel dose based on sensor signals.

A correctly selected component from this category helps maintain stable CGI engine operating parameters, especially during cold starts, acceleration, and constant speed driving.

Benefits of Using an Original Mercedes Part

Using a fuel distributor specifically designed for particular Mercedes models with CGI engines offers a range of practical benefits:

• factory geometric fit to the fuel rail and engine accessories,
• maintaining original operating parameters of the injection system,
• stable operation under various loads and across a wide RPM range,
• reduced risk of leaks compared to aftermarket alternatives.

A component from this group, selected according to manufacturer specifications, helps avoid issues such as uneven engine running, power loss, or increased fuel consumption.

Condition, Installation, and Diagnostics of the Injection System

The fuel distributor offered as a used part allows for an economical repair of the fuel supply system while maintaining the original manufacturer's specifications. Before installation, it is recommended to verify the tightness of the entire fuel line and check the condition of the injector nozzles to fully utilize the potential of this component.

In case of problems with the injection system, it is useful to know the typical symptoms of malfunctions, even if they relate to a different fuel type. To expand your knowledge on injector diagnostics, you can refer to an article describing diesel injector faults – symptoms, consequences, and diagnostic methods, which helps understand the operating logic of modern injection systems.

Mercedes Injector Nozzles – Selection and Offer

If you are also looking for other components from the Mercedes injector nozzles category for your vehicle, check out our dedicated offer. Navigate to the Mercedes injector nozzles section to select compatible fuel system components for other models of this brand.