Mercedes W177 W247 Diesel AdBlue Additive Tank Reservoir A2474709002

Mercedes W177 W247 Diesel AdBlue Additive Tank Reservoir is a specialized component of the exhaust gas treatment system in diesel-powered vehicles, designed for Mercedes compact models. Thanks to the integrated AdBlue tank and pump, it ensures a stable supply of urea solution to the exhaust system, which supports compliance with strict emission standards. This solution is intended for users and workshops that expect precise fitment and predictable operation of the SCR system.

Specifications and technical data

• SKU: A2474709002
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2474709002
• Substitutable numbers: A2474709002, A 247 470 90 02
• Fuel type: Diesel
• Category: Fuel Tanks & Filler Necks

Purpose and function in the AdBlue system

The AdBlue tank with pump in the version dedicated to the W177 and W247 series is responsible for storing and dosing the AdBlue solution in Diesel vehicles. The integrated pump module works with the vehicle's electronics, maintaining the appropriate pressure and flow of the medium towards the injector in the exhaust system. A properly functioning tank with a pump is crucial for the stable operation of the SCR system, reducing nitrogen oxide emissions, and avoiding the engine's limp mode.

Benefits of using an original Mercedes component

The offered tank with pump comes from a group of parts intended for Mercedes vehicles, which translates into factory-standard fitment for the fuel and emission system. The design and mounting points are consistent with the solutions used in W177 and W247 bodies, which facilitates installation in place of a worn or damaged element. Using an original component reduces the risk of leaks, communication errors with electronics, and problems with venting the AdBlue system.

Operational and installation characteristics

The element is designed for diesel-powered vehicles where the emission reduction system is based on dosing AdBlue solution into the exhaust gases. The tank with pump works with factory lines, sensors, and the controller, so after correct installation, it is possible to restore full system functionality without the need for system modifications. The used nature of the part allows for economical repair while maintaining compliance with the manufacturer's design.

Selection by numbers and integration with the fuel system

The selection of an AdBlue tank with pump for a specific vehicle should be based on the OEM part number and interchangeable numbers, as well as data from the manufacturer's catalog or the VIN. Such an approach minimizes the risk of purchasing an incorrect variant and facilitates integration with the existing fuel and emission system. In case of doubt, it is useful to compare the design of the connectors, electrical plugs, and the method of mounting to the body.

System expansion and additional technical information

During AdBlue system service, it is worth paying attention to the condition of the lines, the solution injector, and the exhaust system components working with the SCR system. A properly functioning tank with a pump, combined with regular replacement of the AdBlue filter (if present in the given solution) and checking for line leaks, allows for maintaining stable diesel engine operating parameters and avoiding error messages on the dashboard.

If you are planning a comprehensive repair or modernization of the fuel and AdBlue solution storage area in your Mercedes and need other elements from the same group, such as filler pipes, additional tanks, or mounting elements, check the available parts in the Mercedes fuel tanks and filler pipes category.

To better understand the relationships between the tank, pump, injectors, and other components of the fuel system, it is worth reaching for a practical technical study – a detailed discussion can be found in the article "Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration", where diagnostics, selection by numbers, and operating principles are described.

If you are interested in a conscious and safe purchase of used parts, including AdBlue tanks with pumps, a step-by-step guide describing seller verification, part condition analysis, and selection by numbers may be helpful – practical tips can be found in the material "Safe purchase of used car parts online – a step-by-step guide".