Fuel Flap Ejector Mercedes W212 CLS W219 W215 Filler Stopper Buffer A2156390007

Mercedes W212 CLS W219 W215 Fuel Flap Actuator A2156390007 is an original part from the Fuel Filler Flaps and Accessories group, designed to control the closing of the fuel filler flap in selected Mercedes models. It allows for secure, controlled opening and closing of the flap, which translates to safe operation of the refueling system and proper functioning of the central locking system.

Specifications and technical data

• SKU: A2156390007
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2156390007
• Substitutable numbers: A2156390007, A 215 639 00 07
• Category: Fuel Flaps & Components

Purpose and Function of the Fuel Flap Actuator

The fuel flap actuator is responsible for the mechanical extension and retraction of the pin that locks the flap, synchronized with the vehicle's central locking system. In practice, this means that when the car is locked, the flap is secured against unauthorized opening, and when unlocked, the driver has free access to the fuel filler. A functional actuator eliminates problems with the flap not closing properly or getting stuck, which is important for both user convenience and protecting the filler neck from contamination.

Benefits of Using an Original Mercedes Part

Using an original actuator in Mercedes W212, CLS, W219, and W215 models ensures:

• precise fit to factory mounting points and electrical installation,
• proper cooperation with the central locking system and body electronics,
• stable operation of the flap locking mechanism under typical operating conditions,
• maintenance of factory safety parameters in the fuel filler area.

This allows for installation that is very close to the factory standard, without the need for modifications to the wiring or body structure. This solution is particularly beneficial for vehicle repairs where maintaining the original manufacturer's specifications is crucial.

Part Characteristics and Condition

The offered actuator comes from the Fuel Filler Flaps and Accessories group and is intended for reinstallation in a vehicle. As a used part, it has been verified for its suitability for further use, allowing for an economical repair of the flap locking system while maintaining the original design. This type of solution is often chosen by workshops specializing in the Mercedes brand and by informed users who prefer salvaged components over aftermarket replacements with uncertain parameters.

Selection, Installation, and Integration with the Fuel System

For the actuator to function correctly, it is crucial to match it to the specific body version and year of the vehicle. In practice, this means verifying compatibility with the central locking system and the design of the fuel filler flap in the particular Mercedes. A correctly selected part:

• ensures smooth locking and unlocking of the flap,
• minimizes the risk of mechanical damage to the flap and its hinges,
• maintains the sealing of the fuel filler area at the level specified by the manufacturer.

If you have doubts regarding selection for the fuel system, diagnostics, or identification by manufacturer markings, a specialized guide on fuel system operation and maintenance will be helpful – detailed information can be found in the article Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair.

Used vs. Reconditioned Actuator – Support for Your Choice

The choice between a used and a reconditioned part often depends on the budget, availability, and vehicle repair strategy. A used fuel flap actuator allows for reduced service costs while maintaining original design and compatibility with the vehicle's system. If you want to better understand the differences between these solutions and plan your repair consciously, it is worth reading the guide Reconditioned or Used Original – Which Part to Choose for Repair?.

If you are planning a comprehensive repair or upgrade of the fuel filler area in your Mercedes and need other parts from the same group, such as flaps, hinges, or seals, check the available parts in the Mercedes Fuel Filler Flaps and Accessories category.