AdBlue Cap Mercedes W212 S212 C207 Ad Blue Tank Filler Cover A2076900064

Mercedes W212 S212 C207 Ad Blue Cap A2076900064 is an original part from the Fuel Filler Caps and Flaps group, designed for the AdBlue system in Mercedes E-Class vehicles and related body styles. The blue finish facilitates quick identification of the cap during servicing and daily operation, and its factory origin ensures a proper fit to the thread and filler neck. This is a practical solution for users who want to maintain the full functionality of the exhaust emission reduction system in their Mercedes.

Specifications and technical data

• SKU: A2076900064
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2076900064
• Substitutable numbers: A2076900064, A 207 690 00 64, KD
• Color: Blue
• Category: Fuel Tank Caps

Purpose and Function of the AdBlue Cap

The presented cap is a component of the AdBlue dosing system, responsible for securely closing the urea solution filler neck. A correctly selected cap limits the risk of contaminants entering the tank, which is important for the durability of exhaust system components and the stable operation of the nitrogen oxide reduction system. By using an original solution, compatibility with the factory filler neck in Mercedes W212, S212, and C207 models is maintained.

Construction, Color, and Ease of Use

The cap is distinguished by its blue color, characteristic of AdBlue systems in Mercedes vehicles. This coloring supports intuitive operation – the driver can easily distinguish the AdBlue filler from the regular fuel filler, reducing the risk of errors when topping up the fluid. The cap's design is adapted for frequent unscrewing and screwing, and the ergonomically shaped grip ensures a secure hold even with work gloves.

Benefits of Using an Original Mercedes Cap

Using an original AdBlue cap in a Mercedes offers a number of practical operational benefits:

• maintaining proper filler neck seal and reducing AdBlue fluid evaporation,
• protection against dirt and moisture entering the tank,
• secure fit to the factory filler neck in W212, S212, and C207 body styles,
• clear identification thanks to its distinctive color,
• consistency with other fuel and exhaust system components.

For users who care about the correct operation of the exhaust purification system, choosing an original cap from the Fuel Filler Caps and Flaps category is a sensible service solution.

Part Condition and Practical Application

The offered AdBlue cap is a used part, allowing for an economical replacement while maintaining factory specifications. This type of component is particularly useful in situations where the original cap has suffered mechanical damage, seal wear, or has been lost. Installation involves directly screwing it into the filler neck, without the need for intervention in other fuel or exhaust system components.

Related Fuel and AdBlue System Components

To better understand the cap's role in the entire fuel supply and dosing system, it is worth familiarizing yourself with the operating principles of the fuel system and related components. A detailed discussion of injectors, pumps, fuel tanks, and methods for selecting parts by identification numbers can be found in the article Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair, which helps to organize service knowledge.

Expanding Service and Selecting Other Components

If you are planning a comprehensive repair or upgrade of the fuel and AdBlue filler area in your Mercedes and need other parts from the same group, such as additional caps, flaps, or filler neck covers, check the available parts in the Mercedes Fuel Filler Caps and Flaps category.

For vehicles of this brand, a guide on used parts can also be a good supplement to knowledge about cost-effective servicing – more information can be found in the material Used Parts for Mercedes – Original Used Parts, which discusses the advantages of using original, used components in premium cars.