Mercedes W204 W212 W221 Active Charcoal Filter Container Fuel Tank A2214700259

The Mercedes W204 W212 W221 Fuel Tank Carbon Filter is an original fuel system component from the fuel filters group, designed for Mercedes C-Class, E-Class, and S-Class models of the W204, W212, and W221 generations. It is responsible for the controlled venting of fuel vapors from the tank, supporting stable engine operation and reducing harmful emissions into the atmosphere.

Specifications and technical data

• SKU: A2214700259
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2214700259
• Substitutable numbers: A2214700259, A 221 470 02 59
• Category: Fuel Filters

Purpose and Function in the Fuel System

The presented fuel tank carbon filter is a component of the venting system, working in conjunction with the fuel system in Mercedes W204, W212, and W221 vehicles. Its task is to store fuel vapors in the carbon bed and subsequently direct them to the combustion chamber, instead of releasing them into the environment.

A functional carbon filter helps to reduce:

• fuel tank pressure fluctuations,
• the risk of EVAP system-related errors,
• unpleasant fuel odor around the vehicle.

Technical Characteristics and Fitment

This part belongs to the fuel filters category, specifically designed to meet Mercedes' construction requirements. Its original manufacturing ensures proper fitment with factory brackets and lines, facilitating installation and minimizing the risk of system leaks.

Thanks to the use of a dedicated carbon sorbent, the filter works with the factory electronics controlling the venting valve, which translates to stable engine operating parameters under various load conditions.

Item Condition and Operational Aspects

The offered carbon filter is a used original part obtained from disassembly. For this type of part, maintaining the integrity of the housing and the unobstructed nature of the connection spigots are crucial. Before reinstallation, a visual inspection and a check of the cooperating lines are recommended.

Replacement of a worn carbon filter is recommended, among other things, in cases of:

• recurring diagnostic errors related to the fuel vapor system,
• refueling problems (fuel nozzle kicking off prematurely),
• detectable fuel odor in the vicinity of the rear of the vehicle.

Benefits of Using an Original Carbon Filter

Using an original carbon filter in a Mercedes W204, W212, or W221 allows for maintaining fuel system operating parameters in line with the manufacturer's specifications. This translates to:

• stable engine operation in terms of the fuel-air mixture,
• proper interaction with the onboard diagnostics system,
• maintaining exhaust emission standards as intended for the specific model.

For users who want to better understand the role of this component in the entire system, an article describing the construction and operation of the fuel system will be helpful: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair.

Selection and Alternatives for Repair

When selecting a carbon filter for a Mercedes, it is advisable to rely on the vehicle's identification data and the part manufacturer's markings to ensure full compatibility with the specific body version and engine. In case of doubts regarding the choice between a used and a reconditioned part, a guide may be helpful: Reconditioned or Used Original – Which Part to Choose for Repair?.

If you are looking for other fuel filters dedicated to this brand, check our offer for Mercedes Fuel Filters to select a part that matches your model's specifications.