Mercedes W164 W251 Seat Headrest Head Restraint Front Rear Black Leather

Mercedes W164 W251 Seat Headrest Head Restraint Front Rear Black Leather is an original interior component from Mercedes, designed for installation on both front and rear seats. This used headrest, crafted from black leather, ensures a cohesive and elegant cabin appearance while providing stable head support, thereby enhancing comfort and safety during travel. It is a practical solution both as a replacement part in case of damage and for completing the interior in W164 and W251 series vehicles.

Specifications and technical data

• SKU: A2519704450
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2519704450
• Substitutable numbers: A2519704450, A 251 970 44 50
• Location on the vehicle: Front, Rear
• Category: Headrests

Purpose and function of the headrest

The presented headrest is an item from the Headrests category, designed to function in both front and rear seat positions. Its purpose is to provide stable support for the head and neck of the driver or passengers, which reduces strain on the cervical spine during sudden braking or rear-end collisions. The design, tailored to the seats in W164 and W251 models, allows for proper seating in the guides and maintains the factory geometry of the seats.

Material and finish

The headrest is covered in black leather, making it blend well with typical interior configurations in Mercedes SUV and van vehicles. The leather finish:

• makes the surface easy to keep clean,
• ensures a uniform, understated cabin look,
• is resistant to typical operational stresses, such as frequent contact with clothing or temperature changes.

Choosing an original leather headrest allows you to maintain consistency in texture and color with other upholstery elements, which is important for both aesthetic and practical reasons.

Comfort and ergonomics of use

The properly shaped headrest cushion supports the head in a natural position, which reduces fatigue during long journeys. The correct fit for front and rear seats in the Mercedes W164 and W251 allows for:

• maintaining full height adjustment (depending on the seat configuration in the vehicle),
• proper guidance in the backrest rails,
• maintaining the factory line of the backrest and seat.

As a result, replacing a damaged or missing headrest with an original part from the same series does not negatively affect the ergonomics of the driver's or passengers' seating area.

Characteristics of the used product

The item comes from disassembly, meaning it is a used part that retains the factory construction and geometry intended by the manufacturer. Choosing an original headrest from the secondary market is beneficial when you want to:

• maintain compatibility with other interior elements,
• avoid issues with mounting fitment,
• preserve the original character of the Mercedes cabin.

This solution is particularly useful for post-accident repairs, filling gaps after disassembly, or restoring the completeness of the interior in vehicles that are used intensively.

Selection and compatibility within the Mercedes brand

To properly select a headrest for your car, it is worth paying attention to the body series and seat configuration in your specific vehicle. An original element from the same model line minimizes the risk of installation problems and allows for visual consistency. If you are planning a comprehensive repair or upgrade of the seating area in your Mercedes and need other elements from the same group, such as additional headrests, armrests, or backrest components, check the available parts in the Mercedes Headrests category.

If you are interested in a broader context regarding the cost-effectiveness of using original parts from the secondary market instead of regeneration, it is worth reading the analysis of costs and durability using the example of drivetrain systems in the article: Manual transmission failures – why an original used part is a more sensible choice than regeneration.