Mercedes W212 Trunk Lid Liftgate Breakthrough Buffer Impact Buffer A2127500089

Mercedes W212 Trunk Lid Liftgate Breakthrough Buffer Impact Buffer is an original Mercedes component designed to stabilize and limit the movement of the trunk lid in W212 series models. It ensures controlled closing, vibration reduction, and protection of the body structure against excessive loads during daily use.

Specifications and technical data

• SKU: A2127500089
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2127500089
• Substitutable numbers: A2127500089, A 212 750 00 89
• Part type: Boot Lid Lift Support
• Category: Lift Supports, Latches, Hinges & Additional Parts

Function and application of the trunk lid buffer

The trunk lid buffer in the Mercedes W212 acts as a damping element for the final closing phase, stabilizing the position of the lid relative to the body frame. It is responsible for:

• reducing impact and noise when closing the lid,
• minimizing the transmission of vibrations to the body panels and internal components,
• maintaining the correct geometry of the gaps between the lid and the body,
• protecting the lock and hinges from excessive forces. As a result, the trunk operates correctly, and the lid closes securely and predictably, which enhances the vehicle's comfort.

Benefits of using an original Mercedes component

Using an original buffer in the Mercedes W212 allows you to maintain the factory operating parameters of the trunk lid. The component is designed for the specific body structure, which translates into:

• precise fit to the mounts and the shape of the lid,
• proper interaction with the lock, hinges, and gas springs,
• stable damping throughout the full range of lid movement,
• maintaining the structural integrity of the rear part of the body. Choosing an original component is particularly important in premium class cars, where both comfort and the durability of the trunk system are essential.

Part condition and installation aspects

The trunk lid buffer offered in this listing belongs to the Gas springs, locks, hinges, and other parts category, meaning it is designed to work with components responsible for supporting, guiding, and locking the lid. Installation involves replacing the existing component at the factory mounting points, without the need for any body structure modifications. Before installation, it is recommended to check the condition of the interacting components – gas springs, hinges, and the lock – to ensure the even operation of the entire system. A correctly selected buffer helps extend the service life of these components by reducing mechanical stress.

Selecting the correct part by VIN

To ensure that the trunk lid buffer is fully compatible with the specific equipment version and model year of your Mercedes, it is worth verifying the selection using the VIN. This helps avoid errors resulting from differences between body versions, equipment packages, or production changes. If you want to learn how to effectively use the chassis number to select original used components for premium cars, check out our guide: how to select original used parts for BMW, Audi, and Mercedes by VIN. This is practical support when planning repairs and maintenance replacements.

Expanding work on the trunk lid area

If you are planning a comprehensive repair or upgrade of the rear lid area in your Mercedes and need other elements from the same group, such as gas springs, locks, or hinges, check out the available parts in the Gas springs, locks, hinges, and other Mercedes parts category.