Additive Tank Mercedes W207 W212 BlueTec AdBlue Diesel Tank A2124700200

Additive Tank Mercedes W207 W212 BlueTec AdBlue Diesel Tank is an original fuel system component designed for diesel vehicles that works with the SCR exhaust emission reduction system. Thanks to its factory origin and precise fit to the Mercedes design, it ensures stable storage of AdBlue fluid and the proper operation of the exhaust treatment system. This is a solution for users who want to restore the full efficiency of the AdBlue dosing system without compromising on compatibility.

Specifications and technical data

• SKU: A2124700200
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2124700200
• Substitutable numbers: A2124700200, A 212 470 02 00
• Fuel type: Diesel
• Category: Fuel Tanks & Filler Necks

Purpose and role in the diesel fuel system

The AdBlue tank in Mercedes W207 and W212 models is part of the system working with the Diesel engine, responsible for the safe storage of the urea solution used in the SCR system. A properly functioning tank allows for maintaining the correct pressure and continuity of fluid delivery to the exhaust system, which translates into the reduction of nitrogen oxides and compliance with emission standards.

In the event of damage or leaks in the tank, errors may appear in the engine control unit, leading to power limitation or limp mode. Replacing it with a functional component allows for restoring the correct operation of the system and avoiding issues with OBD diagnostics and technical inspections.

Compatibility and fit for Mercedes W207 / W212

Additive Tank Mercedes W207 W212 BlueTec AdBlue Diesel Tank has been designed specifically for the architecture of these body generations, which ensures correct mounting points, proper hose routing, and compatibility with the factory electrical and fuel system. As a result, installation is straightforward, without the need for structural modifications or the use of adapters.

The original origin from the Fuel tanks and filler pipes group means maintaining factory geometry, which is essential for the correct positioning of hoses, wiring harnesses, and underbody shields. This is particularly important in vehicles operated on long routes, where system stability and vibration resistance have a direct impact on component durability.

Characteristics of the used component

The offered AdBlue tank is a used component, which in practice means it comes from vehicle dismantling and has been verified for further use. This type of component is a good choice in situations where you want to maintain the original specification while optimizing repair costs.

In the case of AdBlue tanks, it is crucial that the housing is airtight and that the connection ports and wire sockets maintain the correct geometry. A used OEM component, properly selected for a specific Mercedes version, allows for maintaining the correct operation of the SCR system without interfering with the controller software or engine operating parameters.

Benefits of using an original AdBlue tank

Choosing an original AdBlue tank for a Mercedes W207 / W212 brings a number of practical benefits:

• maintaining factory compatibility with the diesel fuel system and SCR system,
• proper fit to mounts and underbody shields,
• reducing the risk of leaks and errors related to pressure in the AdBlue system,
• no need for modifications to the electrical installation and hoses.

Thanks to this, the vehicle maintains the operating parameters intended by the manufacturer, and the driver avoids problems with AdBlue low-level messages, power limitations, or failure to meet exhaust emission requirements.

Technical support and selection by part numbers

When selecting an AdBlue tank for a Mercedes, it is crucial to pay attention to the manufacturer's markings and compatibility with the specific engine version and model year. Proper matching by part numbers and interchangeable numbers minimizes the risk of incompatibility with the vehicle's installation and speeds up the installation process itself.

If you want to better understand how the AdBlue tank works with the rest of the fuel system, diagnostics, and components such as pumps or injectors, it is worth checking out our guide material. An extended discussion can be found in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, where the principles of selecting parts by OEM numbers and practical operating tips are described.

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