Mercedes-Benz M-Class ML W163 Front Seat Headrest Guide Right Side A1639700241

Mercedes-Benz M-Class ML W163 Front Seat Headrest Guide Right Side is an original seat structural component designed for installation on the passenger side in the front of the vehicle. It provides stable seat support, which translates into more confident vehicle handling and improved driving comfort. Thanks to the factory fit for Mercedes-Benz M-Class ML W163 Front Seat Headrest Guide Right Side models, this component allows for efficient, technically correct seat repair without interfering with the interior structure.

Specifications and technical data

• SKU: A1639700241
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1639700241
• Substitutable numbers: A1639700241, A 163 970 02 41, EM
• Location on the vehicle: Front, Right
• Category: Seat Belts & Parts

Purpose and placement in the vehicle

The seat support has been designed to operate in the front part of the cabin, on the right side of the vehicle. It is responsible for properly maintaining the seat structure, which is important for both ergonomics and the proper functioning of passenger safety systems.

Precise adjustment to the seat geometry in the Mercedes W163 reduces the risk of looseness, unwanted noises, and uneven upholstery wear. This is particularly important in vehicles where the passenger seat is used intensively on long journeys.

Function in the safety and driving comfort system

Although the element belongs to the Seat belts and parts group, its role goes beyond mere mounting mechanics. Stable seat support contributes to:

• maintaining the correct passenger position relative to the seat belt,
• better cooperation of the seat with passive safety systems,
• limiting uncontrolled body movements during sudden braking,
• more predictable seat behavior in daily use.

As a result, replacing a worn or damaged support with a functional component allows for restoring the factory properties of the seat and improving overall travel comfort.

Characteristics of the used component

The seat support comes from dismantling, which means it is a used part that retains the manufacturer's original design. Such components are often chosen by users who expect factory fitment and predictable installation while wanting to optimize repair costs.

Using an original component from the same model series minimizes the risk of compatibility issues that may arise with uncertain replacements. This is a practical solution for seat renovation, replacing a damaged frame, or restoring the full functionality of the vehicle's interior.

Benefits of using the original seat support

Choosing such a component for the Mercedes W163 brings a number of technical and functional advantages:

• Factory fit – construction consistent with the vehicle manufacturer's design, without the need for modifications.
• Consistency with other seat components – maintaining the proper geometry of the seat and backrest.
• Stable operation in the front, right part of the cabin – essential for frequent use of the passenger seat.
• Possibility of effective repair without interfering with the body structure or seat mounts.

For workshops and private users, this means faster installation, lower risk of complaints, and a more predictable final result after interior repair.

If you are planning a comprehensive repair or modernization of the seat area and passenger safety systems in your Mercedes and need other elements from the same group, such as tensioners, mounts, or guides, check the available parts in the Mercedes Seat belts and parts category.

Technical support and knowledge about parts

When selecting components for safety systems and seat structures, it is worth using reliable sources of information. If you are interested in how manufacturers differentiate technical solutions between standard and sports versions, and how this translates into the selection of components, check out the article Audi RS vs other models – what is hidden under the hood and chassis?, which discusses the differences in the construction of key components and the importance of proper part selection.