Mercedes-Benz S-Class W220 Boot Trunk Lid Tailgate Tension Spring A2207570129

Mercedes-Benz S-Class W220 Boot Trunk Lid Tailgate Tension Spring is an original component of the rear lid lifting mechanism, designed for W220 series models. Thanks to its precise fit to the body structure, it ensures stable operation of the trunk lid and predictable behavior during opening and closing, which translates into convenience in daily use.

Specifications and technical data

• SKU: A2207570129
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2207570129
• Substitutable numbers: A2207570129, A 220 757 01 29, EM
• Category: Tail Lifts

Purpose and function in the vehicle

The presented spring is a component of the support and weight-balancing system for the trunk lid in the Mercedes-Benz S-Class W220 generation. It is responsible for:

• controlled relief of the lid during opening,
• maintaining a stable position of the lid in the fully open position,
• reducing the load on hinges and other mounting components.

By using an original component, the consistent operation of the entire lid mechanism is maintained, which reduces the risk of improper closing, rattling, or excessive play.

Construction and fit for the Mercedes-Benz S-Class W220

The tension spring has been designed specifically for the geometry of the W220 body, taking into account the weight of the lid, mounting points, and the operating characteristics of the hinges. This means that it:

• fits factory mounting points without modifications,
• works with original hinges and linkages,
• maintains the correct tension force characteristics throughout the full range of the lid's movement.

Using a dedicated component helps avoid problems typical of replacements with incorrect characteristics, such as overly abrupt opening or the lid falling down.

Condition, origin, and benefits of using a used part

The offered spring comes from a group of used original Mercedes components. This type of component, when properly maintained, is characterized by a long service life, which is why using a verified used part is a reasonable alternative to new components, especially for vehicles used on a daily basis.

The main advantages of using an original tension spring include:

• factory fit for the trunk lid structure,
• preservation of the operating characteristics intended by the manufacturer,
• reduction of the risk of accelerated wear of hinges and mounts.

Practical installation and maintenance tips

Replacing the tension spring in a Mercedes-Benz S-Class W220 is a standard service operation for the rear part of the body. When planning the work, it is worth:

• assessing the condition of the cooperating elements of the lid mechanism (hinges, mounts, linkages),
• checking the smoothness of the lid's movement after installation,
• verifying that the lid maintains a stable position in the open position.

Choosing an original component with the correct tension characteristics helps maintain comfortable trunk operation and reduces the risk of the lid falling uncontrollably, which is important for both user safety and the protection of body components.

Expanding the loading zone upgrade

If you are planning a comprehensive repair or upgrade of the loading zone in your Mercedes and need other elements from the same group, such as additional springs, mounting elements, or complete lifting mechanisms, check the available parts in the Mercedes loading lids category.

For drivers interested in broader optimization of the drivetrain and adjusting the vehicle's characteristics to their driving style, the following guide article may be helpful: Dismantled drive axles and differentials – how to choose gear ratios for your driving style, which discusses the practical aspects of selecting used components and their impact on vehicle operation.