Mercedes W204 Coupe Tailgate Spring Boot Trunk Tension Strut Obsidian Black 197

Mercedes W204 Coupe Tailgate Spring Boot Trunk Tension Strut Obsidian Black 197 is an original tailgate mechanism component, designed specifically for models of this series. It is responsible for the controlled opening and closing of the tailgate, ensuring stable hinge operation and predictable lid behavior during daily use. Thanks to its finish matching the Obsidian Black Metallic bodywork, the component integrates harmoniously with the rear of the vehicle.

Specifications and technical data

• SKU: A2047570229-OB
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2047570229
• Substitutable numbers: A2047570229, A 204 757 02 29
• Location on the vehicle: Rear
• Color: Obsidian Black Metallic - 197
• Category: Boot & Hatch Lids

Purpose and function in the tailgate system

The tension strut operates in the rear body zone, supporting the movement of the tailgate and relieving the hinges. The properly selected spring characteristics allow for:

• smooth lifting of the tailgate without sudden jerks,
• controlled closing, reducing structural stress,
• maintaining a stable position of the tailgate during loading.

In the event of wear or weakening of the spring, typical symptoms appear, such as the tailgate dropping or uneven movement. Replacing it with the correct component dedicated to the W204 series restores the proper operation of the entire mechanism.

Body fitment and visual aspect

The presented spring works with the rear body section finished in the Obsidian Black Metallic shade, which is important when completing rear body components in a uniform color configuration. Maintaining visual consistency is especially important during post-accident repairs or restoring the car to its factory appearance.

Choosing a component that complies with the original Mercedes specification reduces the risk of installation problems and ensures proper tailgate guidance throughout the entire range of motion.

Characteristics of the used component

The spring comes from dismantling, which allows for maintaining the original geometry and operating parameters provided by the manufacturer. A used element of this type is often chosen for rear body service when the goal is:

• maintaining factory fitment to the tailgate structure,
• maintaining compatibility with other mechanism components,
• optimizing repair costs while maintaining OEM quality.

Before installation, it is recommended to perform a standard check of the tailgate mechanism, hinges, and mounting points to fully utilize the spring's properties.

Integration with the Tailgates and rear parts category

The tension strut is part of the assembly responsible for the operation of the tailgate, which is why it should be treated as an element of the entire system during repairs. Replacing the spring itself often goes hand in hand with checking the hinges, actuators, lock, and other rear body components, which translates into durability and comfort of using the trunk.

If you are planning a comprehensive repair or upgrade of the rear body zone in your Mercedes and need other elements from the same group, such as tailgate hinges, locks, or additional mounts, check the available parts in the Mercedes Tailgates and rear parts category.

Practical installation and operational tips

When installing the tension strut, it is worth paying attention to the correct alignment of the tailgate relative to the body and the even load on both sides of the mechanism, if the design provides for more than one spring element. A properly selected and installed spring:

• reduces the load on hinges and mounts,
• reduces the risk of paint damage in the contact zone between the tailgate and the body,
• improves the comfort of daily trunk use.

For users interested in a broader approach to selecting used parts, including body and lighting elements, the following guide may be helpful: Seeing more and better – a complete guide to selecting and replacing used LED and Xenon headlights.