Mercedes-Benz W204 C220 CDI OM646 Diesel Fuel Tank Line Pipes A6460700632

Mercedes-Benz W204 C220 CDI OM646 Diesel Fuel Tank Line Pipes is a component from the Lines, hoses and pipes group, designed for the diesel engine fuel supply system. Engineered for diesel units, it ensures stable fuel routing between the components of the injection system, supporting proper engine operation and reducing the risk of leaks.

Specifications and technical data

• SKU: A6460700632
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6460700632
• Substitutable numbers: A6460700632, A 646 070 06 32, A6460701732, A 646 070 17 32, A6460781981, A 646 078 19 81, A6460781781, A 646 078 17 81
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and function in the fuel system

The fuel line in the Mercedes W204 C220 CDI model with an OM646 engine is responsible for the controlled transport of diesel fuel within the supply system. A properly selected component of this type is crucial for:

• maintaining the correct fuel pressure in the diesel system,
• limiting injection efficiency drops,
• reducing the risk of air entering the system,
• maintaining stable operation of the power unit across the full load range.

Thanks to a design tailored to the specific engine configuration, the line allows for proper fuel routing in the engine compartment, while maintaining the required bending radii and mounting points.

Compatibility and technical parameters

The offered fuel line is a component dedicated to Mercedes vehicles with a diesel engine, which facilitates part selection based on the manufacturer's factory standards. A Diesel supply system requires lines resistant to operating pressure and the chemical properties of diesel fuel, which is why using the appropriate component has a direct impact on the durability of the entire system.

An additional aid in selection is the ability to verify by OEM part number and available interchangeable numbers, which allows for precise checking of compatibility with a specific engine version and vehicle year. Product identification in the warehouse system can be supported by the SKU designation, which speeds up order processing and minimizes the risk of error.

Performance characteristics and part condition

The fuel line comes from the Lines, hoses and pipes group, which means it has been designed to work in the demanding environment of the engine compartment – under variable temperatures, vibrations, and exposure to operational factors. The appropriate geometry and internal diameter of the line support even fuel flow, which is important for the engine's refinement and the stability of combustion parameters.

The item is offered in Used condition, which in practice means it has been removed from a vehicle and is intended for further use after proper installation. This type of solution is often chosen when servicing older vehicles, where both technical compatibility with the original installation and repair cost optimization are important.

Selecting the fuel line by numbers and purchase support

When selecting a fuel line for a Mercedes W204 C220 CDI OM646, it is crucial to compare the vehicle data with the information contained in the part's technical specification. Verification by factory numbers and interchangeable numbers helps avoid problems with matching the length, diameter, and shape of the line in the engine compartment. In case of doubt, it is worth consulting service documentation or a mechanic to confirm the component's compatibility with the specific car configuration.

For users who want to deepen their knowledge on verifying component compatibility by factory numbers, a guide describing practical methods for checking parts for Mercedes and BMW vehicles may be helpful – you can find it in the article Buying parts online without risk – 5 ways to verify OEM numbers.

Expanding the fuel system service in a Mercedes

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other elements from the same group, such as additional fuel lines, flexible hoses, or rigid supply pipes, check the available parts in the Mercedes lines, hoses and pipes category.