Mercedes-Benz W221 Left Right N/O/S Boot Trunk Tailgate Gas Spring A2217500236

The Mercedes W221 Tailgate Gas Strut is a precise component of the rear tailgate lifting system, designed specifically for the W221 generation S-Class body. The used strut provides stable support for the trunk lid, improving everyday usability and safety during loading. This is a solution for users who expect a proven part with factory fitment without the need to invest in a new component.

Specifications and technical data

• SKU: A2217500236
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2217500236
• Substitutable numbers: A2217500236, A 221 750 02 36, KZ
• Location on the vehicle: Right, Left
• Category: Boot & Hatch Lids

Purpose and Function of the Tailgate Strut

The gas strut is responsible for the controlled opening and holding of the rear trunk lid in the upper position. In the W221 S-Class model, this component operates under demanding conditions, supporting the heavy lid and ensuring smooth, jerk-free movement. The use of a proper strut reduces the risk of the lid self-lowering, which translates to user convenience and protection of bodywork and rear lighting elements.

Compatibility with Mercedes W221 Body

The presented strut has been designed to work with the rear body structure of the W221 generation S-Class, thus maintaining the appropriate force and stroke characteristics. Proper fitment to the geometry of the hinges and lid mounts allows for the preservation of factory opening and closing kinematics. This is particularly important for premium vehicles where both ease of operation and repeatable performance of moving parts are crucial.

Vehicle Placement and Installation Aspects

The strut can be used on the right or left side of the vehicle, making selection easier when repairing or replacing a pair of components. This solution allows for:

• maintaining symmetrical operation of both sides of the trunk lid,
• reducing stress on hinges and mounts,
• achieving a predictable lid movement path during opening and closing.

During installation, it is crucial to correctly seat the strut ends in the factory mounting points and to check the free movement of the lid after replacement. Thanks to its design intended for a specific body model, the installation process is straightforward for an experienced mechanic and does not require body modifications.

Characteristics of the Used Component

The offered strut comes from the Tailgate and Rear category and is a used part, meaning it has been previously operated in a vehicle. This type of part is a good choice when maintaining original operating characteristics and compatibility with other components of the tailgate lifting system is important. A used component allows for economical repair while maintaining proper fitment to the S-Class body.

Why Choose an Original Mercedes Strut

For a component as heavily loaded as the rear tailgate gas strut, using a part designed for a specific model ensures:

• stable holding of the lid in the upper position during daily use,
• smooth opening without excessive resistance or sudden ejection,
• preservation of factory operating parameters for the trunk system,
• reduction of damage risk resulting from improperly selected aftermarket parts.

For users who value ease of operation and predictable performance of bodywork elements, choosing a strut dedicated to the W221 S-Class is a technically sound solution.

If you are planning comprehensive service for the rear of your Mercedes S-Class and want to select other components related to trunk opening, such as additional struts or mounts, check the available parts in the Mercedes Tailgate and Rear category.

If you want to efficiently assemble a larger number of original parts for vehicle repair and plan your purchases in one place, it is worth reading the guide Comprehensive Supply: From Engine to the Smallest Clip, which discusses a practical approach to selecting such parts.