Mercedes W205 Boot Trunk Lid Tailgate Tension Spring A2057570029

Mercedes W205 Boot Trunk Lid Tailgate Tension Spring is an original component of the trunk lid lifting mechanism, designed for the W205 series models. This used part from the Mercedes range allows for restoring the proper operation of the trunk lid, ensuring stable opening and closing as well as predictable behavior of the entire system. The Obsidian Black Metallic - 197 color makes it easy to aesthetically match the bodywork in the same paint tone.

Specifications and technical data

• SKU: A2057570029-OB
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2057570029
• Substitutable numbers: A2057570029, A 205 757 00 29
• Color: Obsidian Black Metallic - 197
• Category: Tail Lifts

Purpose and function of the trunk lid spring

The tension spring in the W205 model is responsible for controlled assistance of the trunk lid movement, reducing the load on the hinges and other mounting elements. A correctly selected component ensures:

• smooth opening of the lid without jerking,
• stable holding of the lid in the open position,
• even distribution of forces in the lifting mechanism.

Thanks to this, daily operation of the trunk remains convenient, and the risk of uncontrolled lid dropping is limited.

Benefits of using an original Mercedes part

Using an original tension spring in the W205 series means maintaining the factory operating parameters of the mechanism. The element is designed for the specific geometry of the hinges and the weight of the lid, which translates into:

• precise fit to the mounting points,
• consistency with other components of the lifting system,
• repeatable operating characteristics in accordance with the manufacturer's specifications.

Choosing a used original part is often a beneficial solution for maintenance repairs, allowing for high quality to be maintained within a reasonable budget.

Visual aspect – Obsidian Black Metallic color

The Obsidian Black Metallic - 197 color is important wherever the element is partially visible after opening the trunk lid. The consistency of the shade with the bodywork in the same color:

• reduces contrast between the spring and the body,
• allows for maintaining an orderly appearance of the loading area,
• facilitates integration with other painted components.

For users who pay attention to visual details, this is an additional advantage when selecting parts.

Application in repairs and upgrades of the trunk lid

The trunk lid tension spring in the W205 will work well both for typical replacement of a worn element and for broader work within the rear part of the body. It can be used, among other things, when:

• the lid opens with noticeable resistance or too abruptly,
• the lid does not maintain a stable position after opening,
• a mechanical failure of one of the lifting system components has occurred.

Selecting the right part from the Loading Lids group facilitates maintaining full functionality of the luggage area in daily use.

Technical support and additional information

When planning a repair, it is worth paying attention to the compatibility of the spring with the specific body version and trunk configuration. In the case of extensive service work, other components from the same group, available in the Loading Lids{data-blogs=category} category, may also be helpful, which allows for a comprehensive approach to servicing the rear part of the vehicle.

If you are interested in a broader context of using used parts in the automotive industry, practical tips regarding selection and installation can be found in the article on the cost-effectiveness of using used car parts. This will make it easier for you to assess when choosing an element from the secondary market is technically and economically justified.