Mercedes V251 W251 Rear Tailgate Boot Lid Stopper Left N/S Side A2517430129

Mercedes V251 W251 Rear Tailgate Boot Lid Stopper Left N/S Side is a precision mechanical component responsible for controlling the movement of the tailgate in your Mercedes. It ensures stable guidance of the boot lid, improving daily comfort and operational safety. Thanks to the use of the original design, the proper geometry of the tailgate operation and correct fitment with the bodywork are maintained.

Specifications and technical data

• SKU: A2517430129
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2517430129
• Substitutable numbers: A2517430129, A 251 743 01 29
• Location on the vehicle: Rear, Left
• Category: Hinges, Latches & Additional Components

Purpose and function of the stopper

The offered stopper is designed to work in the rear part of the body, on the left side. Its task is to provide controlled guidance of the boot lid during opening and closing, ensuring the movement is smooth, predictable, and in accordance with the manufacturer's specifications. A correctly selected component of this type reduces unwanted stress on the hinges, lock, and lid panel, which translates into less wear on cooperating components.

A properly functioning stopper also helps maintain the correct body line – once closed, the lid sits in the proper position relative to the fenders and bumper, which is important for both aesthetic and functional reasons (tightness, seal performance, correct lock latching).

Benefits of using an original Mercedes component

The product comes from the Mercedes brand, which means its geometry, mounting points, and operating characteristics are consistent with the factory specifications for the V251/W251 series. In practice, this means:

• secure fitment to factory mounting holes,
• proper cooperation with the hinges and boot lid lock,
• maintenance of factory opening and closing angles of the lid,
• reduced risk of improper closing or rubbing against adjacent elements.

Thanks to the original design, you can count on consistency with the other elements of the tailgate system, without the need for modifications or adjustments to the mounts. This is particularly important for cars equipped with extensive seals and trim elements in the trunk area.

Installation and operational characteristics

The stopper is intended for installation in the rear, left part of the vehicle, in the boot lid mounting area. The design provides for cooperation with factory hinges and body support elements, which facilitates service and shortens replacement time. In practice, installation comes down to removing the worn component and installing the offered part in its place, while following the manufacturer's service procedures.

As a mechanical element working cyclically with every opening and closing of the lid, the stopper is exposed to operational loads. Replacing it with a functional component restores the correct operation of the boot lid, reduces unwanted play, and can eliminate problems such as uneven closing or excessive "sagging" of the lid.

Part condition and use of a pre-owned component

The offered stopper is a used part, which in practice means a favorable compromise between cost and functionality. For many owners of vehicles that are several or more years old, using a verified component from the secondary market is a reasonable service solution, allowing the car to be kept in good technical condition without overstretching the budget.

If you are considering when it is worth choosing a used part versus a new one or a replacement, our guide may be helpful: check which parts – original, replacement, or used – are the most cost-effective. You will find practical cost and quality comparisons there, useful when planning repairs on your Mercedes.

How to choose the right stopper for your car

To ensure full compatibility, when choosing a stopper, it is worth paying attention to the body series, the mounting side, and compatibility with the hinge and lock system in your specific vehicle. In case of doubt, comparing the shape and mounting points with the currently installed element is helpful. This minimizes the risk of error and gives you confidence that the boot lid will operate according to the manufacturer's specifications.

If you are planning a wider range of work on the rear part of the body, it is also worth analyzing other elements that work with the lid – hinges, locks, or struts. Useful tips for planning such repairs can be found in the article: TOP 10 most frequently replaced parts in your car – how to service your car without overpaying.

By choosing the Mercedes V251 W251 Rear Tailgate Boot Lid Stopper Left N/S Side, you are investing in a component designed specifically for your model, which helps maintain the correct operation of the boot lid, improves daily comfort, and supports the long-term durability of the bodywork.