Ad Blue Pump Mercedes W213 X253 Diesel Exhaust Emission Tank Pump A0004700400

Ad Blue Pump Mercedes W213 X253 Diesel Exhaust Emission Tank Pump is a specialized component from the Secondary air pumps group, designed for diesel engines. It ensures precise delivery of the AdBlue solution to the exhaust system, supporting effective nitrogen oxide reduction and compliance with current emission standards.

Specifications and technical data

• SKU: A0004700400
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0004700400
• Substitutable numbers: A0004700400, A 000 470 04 00
• Fuel type: Diesel
• Color: Blue
• Category: Secondary Air & Smog Pumps

Purpose and function in the exhaust system

The described Ad Blue Pump Mercedes W213 X253 Diesel Exhaust Emission Tank Pump is dedicated to Mercedes E-Class (W213) and GLC (X253) vehicles with diesel engines. It is responsible for transporting the urea solution from the tank to the dosing module in the exhaust system, which enables the proper operation of the Selective Catalytic Reduction (SCR) system. Stable pressure and proper fluid flow are crucial for maintaining low NOx emissions and the correct operation of the exhaust filter and catalytic converter.

Thanks to the use of an original Mercedes design solution, the pump works with the vehicle's factory electronics, ensuring consistency of operating parameters with the engine control unit software and diagnostic system.

Construction and performance parameters

The pump belongs to the Secondary air pumps group, but in this application, it acts as a precise power module for the AdBlue system. It has been designed to operate in a urea solution environment, taking into account resistance to corrosion and temperature changes typical for operation in the chassis compartment.

The element is distinguished by its characteristic blue housing finish, which facilitates identification within the emission reduction system. Using a component intended for diesel engines allows for maintaining the correct flow and pressure parameters, in accordance with the requirements of Mercedes power units of this generation.

Condition, fitment, and installation

The offered pump is a used component, which allows for an economical repair of the AdBlue system while maintaining the manufacturer's original specifications. In practice, this means the possibility of restoring the proper operation of the SCR system without the need to invest in a new subassembly, while maintaining the factory design and connectors.

Before installation, it is recommended to perform a standard verification of hose tightness, the condition of the tank, and check for errors in the engine controller. It is worth confirming the proper fitment of the pump to a specific vehicle version using the VIN number or by comparing parameters with Mercedes service documentation, which minimizes the risk of incompatibility.

Benefits of using an original AdBlue pump

• Maintaining the efficiency of the exhaust emission reduction system in diesel engines.
• Compatibility with factory software and Mercedes diagnostics.
• Possibility of reducing repair costs thanks to the use of a used part with an original design.
• Support for stable engine operation in a mode compliant with emission standards, without entering limp mode.

If you are planning a comprehensive repair or upgrade of the exhaust system and emission reduction system area in your diesel-powered Mercedes and need other elements from the same group, such as pumps, dosing modules, or supply lines, check the available parts in the Mercedes Secondary air pumps category.

Technical support and knowledge about used parts

When selecting components for modern power units, it is worth using reliable sources of knowledge. Although the described product concerns a Mercedes, many principles regarding verifying compatibility, checking markings, and working with turbocharging and exhaust cooling systems can be found in the Global Parts guide regarding the B58 unit – it discusses in detail, among other things, the importance of OEM numbers, installation checklists, and selecting parts by VIN number; more information can be found in the article BMW B58 code – checklist before buying a turbocharger and intercooler.

If you want to better understand why choosing original, used components for a Mercedes is cost-effective in terms of durability and operating comfort, it is worth reading the expert material from Global Parts – practical tips can be found in the article Mercedes – comfort, prestige, and durability with original used parts.