Mercedes-Benz E W207 Cabrio A207 AdBlue Fuel Tank Additive Line A2074700364

Mercedes-Benz E W207 Cabrio A207 AdBlue Fuel Tank Additive Line is an original AdBlue additive supply system component, designed for installation in the rear body section of the E-Class W207 Cabrio model. Thanks to its factory origin from the Mercedes brand, it ensures proper medium routing and stable operation with other system components. This is a solution for users who expect a technically matched part from the Fuel tanks and filler pipes category.

Specifications and technical data

• SKU: A2074700364
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2074700364
• Substitutable numbers: A2074700364, A 207 470 03 64, BG
• Location on the vehicle: Rear
• Category: Fuel Tanks & Filler Necks

Purpose and function in the AdBlue system

The presented AdBlue additive line is responsible for the precise delivery of the medium from the rear of the vehicle to the working elements of the exhaust gas treatment system. Its placement in the rear body area facilitates correct hose routing relative to the tank and other sub-assemblies, minimizing the risk of leaks and improper positioning.

As an element from the Fuel tanks and filler pipes category, this additive line works with the factory tank and equipment, maintaining compatibility with the fuel and additive system design in the Mercedes E-Class W207 Cabrio.

Compatibility and OEM identification

The product has been designed specifically for the Mercedes-Benz E W207 Cabrio platform, which facilitates part selection based on the OEM number and vehicle data. Proper identification by catalog number allows you to avoid problems with matching the length, shape, and mounting points of the line in the rear body section.

Thanks to this, the AdBlue additive line can be integrated into the existing system without the need for structural modifications, which is particularly important when servicing vehicles equipped with advanced exhaust emission reduction systems.

Installation and operational characteristics

The placement on the vehicle in the rear zone facilitates clear routing of the line along factory mounting paths. This allows for:

• maintaining the proper bending radius and positioning of the line relative to the tank and chassis,
• reducing mechanical stress during suspension operation,
• maintaining proper tightness of the AdBlue additive system.

As an original Mercedes brand component, the additive line has been designed for compatibility with factory brackets and mounts, which facilitates service installation and subsequent vehicle maintenance.

Benefits of using the original AdBlue additive line

Using a dedicated additive line in the Mercedes-Benz E W207 Cabrio translates into stable operation of the emission reduction system and predictable vehicle behavior under operating conditions. Proper AdBlue medium routing reduces the risk of failures related to leaks, airlocks, or improper flow.

For users and service centers, this means:

• easier diagnostics of the fuel and additive system,
• consistency with the manufacturer's technical documentation,
• the ability to continue vehicle maintenance in accordance with Mercedes-Benz service procedures.

Technical support and selection of fuel system components

When planning service work within the fuel supply and AdBlue additive system, it is worth using knowledge about the diagnostics and regeneration of fuel components. A detailed discussion of the operating principles, selection by OEM number, and practical aspects of operation can be found in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which helps to better plan comprehensive vehicle maintenance.

If you are planning a comprehensive repair or upgrade of the fuel and AdBlue additive supply area in your Mercedes and need other elements from the same group, such as hoses, filler pipes, or tank components, check the available parts in the Mercedes fuel tanks and filler pipes category.