Headrest Mercedes W251 W164 Front Seat Right Left Headrest Black A1649701578

Visual condition of the part 

The product shows signs of use visible in the photos. 

Headrest Mercedes W251 W164 Front Seat Right Left Headrest Black is an original item from the Headrests category, designed for installation on the front seats on either the driver or passenger side. Finished in black, it maintains a consistent interior look and provides proper head support in accordance with the manufacturer's safety standards.

Specifications and technical data

• SKU: A1649701578
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1649701578
• Substitutable numbers: A1649701578, A 164 970 15 78
• Location on the vehicle: Front, Left, Right
• Color: Black
• Category: Headrests

Purpose and fitment

The presented headrest has been designed specifically for Mercedes W251 and W164 models, intended for installation on the front seats on either the left or right side. The construction, based on the manufacturer's factory solutions, ensures a proper fit with the seat guides and correct integration with the backrest, without the need for modifications or adaptations.

The black color scheme allows for aesthetic integration of the headrest into most upholstery configurations used in these Mercedes generations, making it easy to replace a damaged component or complete missing equipment while maintaining a consistent cabin appearance.

Construction and function of the headrest

The headrest plays a key role in protecting the cervical spine during daily vehicle use. The properly contoured head support section works with the seat backrest, limiting uncontrolled head movements during sudden braking or rear-end collisions. Thanks to its factory geometry, the component maintains the parameters intended by Mercedes engineers.

The headrest frame is adapted to work within the front seat guides, which allows for smooth height adjustment. This enables the user to adjust the headrest position to their seating position behind the wheel or in the passenger seat, improving comfort and driving ergonomics.

Benefits of using an original headrest

Using an original headrest in a Mercedes W251 or W164 allows for maintaining the structural and visual consistency of the interior. A component from the same product line as other seat parts guarantees:

• proper fit with the seat backrest and guides,
• preservation of the factory geometry of the head support zone,
• aesthetic match to the black interior finish,
• no need for mounting modifications.

For users considering the choice between a used original part and a replacement, a practical guide describing the differences in fitment and durability may be helpful – details can be found in the article 5 reasons why a used OEM part is a better choice than a replacement.

Condition and service application

The offered headrest is a secondary market item, which makes it an attractive solution for post-accident repairs, completing missing equipment, or restoring the interior to its factory specification. It works well both for replacing a single headrest and for broader renovation work on the front seats.

Choosing such a component allows for reducing service costs while maintaining a construction consistent with the manufacturer's design, which is especially important in premium class vehicles, where both functionality and cabin appearance matter.

Expanding equipment within Mercedes headrests

If you are planning a comprehensive repair or upgrade of the front seat area in your Mercedes and need other elements from the same group, such as additional headrests, replacement headrests for the passenger seat, or headrests for the driver's seat, check the available parts in the Mercedes Headrests category.