Mercedes W213 W223 W907 AdBlue Additive Fuel Injection Nozzle Diesel A0004905100

Mercedes W213 W223 W907 AdBlue Additive Fuel Injection Nozzle Diesel is a specialized component of the exhaust gas treatment system in diesel engines, designed for precise dosing of AdBlue solution. A properly selected injection nozzle ensures stable operation of the SCR system, reduces nitrogen oxide emissions, and supports the vehicle's compliance with environmental standards. This solution is dedicated to users looking for a technically matched component for specific Mercedes models.

Specifications and technical data

• SKU: A0004905100
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0004905100
• Substitutable numbers: A0004905100, A 000 490 51 00
• Fuel type: Diesel
• Part type: Fuel Injector
• Category: Fuel Injectors

Purpose and function of the AdBlue injector

The presented element from the Injection nozzles group is responsible for injecting the AdBlue solution into the exhaust stream in a diesel engine. A properly functioning injector enables effective operation of the SCR catalyst, which translates into a reduction of NOx emissions and stable operation of the power unit under typical operating conditions.

In high-end and commercial Mercedes vehicles, such as the W213, W223, or W907 series, precise AdBlue dosing is essential for:

• maintaining correct combustion parameters in the diesel engine,
• reducing the risk of the unit entering limp mode due to SCR system errors,
• meeting the exhaust emission standards applicable to modern diesels.

Benefits of using a dedicated injection nozzle

Using a properly selected AdBlue injector in a Diesel engine allows for maintaining the consistency of the entire exhaust gas treatment system. A component designed for a specific vehicle platform ensures:

• the appropriate spray pattern and stable atomization of the solution in the exhaust duct,
• proper cooperation with sensors and the SCR system controller,
• reduced risk of deposit formation in the exhaust system.

For the user, this means more predictable engine operation, a lower risk of AdBlue-related error messages, and better protection of exhaust system components. In the case of vehicles used intensively, e.g., in fleet applications, a properly selected injection nozzle helps reduce downtime associated with diagnostics and repairs of the SCR system.

Technical characteristics and compatibility with the Diesel system

The AdBlue injector is designed to work with Diesel power units equipped with a selective catalytic reduction system. The component's design is adapted to the operating parameters typical for diesel engines, including the temperatures and pressures occurring in the exhaust system.

The element has been designed as part of the factory system, which promotes consistency with other components – AdBlue supply lines, temperature and NOx sensors, and the controller responsible for dosing. As a result, the injector can operate within the parameters provided by the vehicle manufacturer, which is important for both durability and the correct operation of the entire system.

Operation, diagnostics, and condition of the element

The discussed AdBlue injector is an aftermarket component, which allows for economical repair of the exhaust gas treatment system while maintaining proper operating parameters. For elements of this type, it is crucial to pay attention to the correct operation of the dosing valve and the absence of leaks in the connection area to the system.

Typical symptoms of wear or malfunction of an AdBlue injector include exhaust system error messages, the engine entering limited power mode, or increased solution consumption. To better understand the symptoms and consequences of neglect within the injection system in diesel engines, it is worth reading the article Diesel injector faults – how to recognize them and the risks of neglecting them, which discusses symptoms, consequences, and basic diagnostic methods.

System expansion and selection of other elements

If you are planning a comprehensive repair or upgrade of the AdBlue injection area in your Mercedes and need other elements from the same group, such as additional nozzles, solution supply lines, or mounting elements, check the available parts in the Mercedes injection nozzles category.

When selecting components from this group, it is worth paying attention to compatibility with the exhaust gas treatment system used in the vehicle and the operating parameters provided for the specific power unit. A consistent set of elements within the AdBlue system promotes stable engine operation, reduces the risk of errors, and facilitates subsequent service diagnostics.