Mercedes W166 Seat Trim Cover Rear Outside Front Driver's Seat A1669102104

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W166 Seat Trim Cover Rear Outside Front Driver's Seat is an original upholstery component designed for factory installation in vehicles of this series. It provides a practical finish to the seat structure, improving interior aesthetics and protecting adjustment mechanisms from accidental damage. Thanks to the specific geometry of the mounts and shape, the part ensures precise fitment to the driver's seat and a consistent look with other cabin elements.

Specifications and technical data

• SKU: A1669102104
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1669102104
• Substitutable numbers: A1669102104, A 166 910 21 04
• Location on the vehicle: Front, Rear
• Category: Additional Seat Parts

Purpose and function of the component

The presented side cover is dedicated to the driver's seat in Mercedes W166 series models, in the outer area of the rear part of the seat. Its task is to aesthetically close the seat structure and cover the rails, clips, and any wiring located in the rear zone of the seat. This solution reduces the risk of accidental snagging on structural elements when entering, exiting, or adjusting the seat, and also makes it easier to keep the interior clean.

The element belongs to the Other seat parts group, which means it plays a complementary role to the main seat components, such as the frame, upholstery, or adjustment mechanisms. However, it is an important detail that affects the completeness of the interior finish and the stylistic consistency of the Mercedes cabin.

Compatibility and vehicle placement

The cover has been designed for installation in the driver's seat area, taking into account the specific profile of the backrest and seat in the W166 series. Information about the placement on the vehicle includes both the front and rear, which in practice means that the part works with the seat structure in its front mounting zone while simultaneously closing the rear part of the seat visible from the perspective of rear-seat passengers. Such a solution ensures a consistent cabin finish regardless of the perspective – both from the driver's seat and from the rear row of seats.

Thanks to its factory origin from the Mercedes brand, dimensional compliance, the appropriate edge profile, and the correct mounting method are maintained. This translates into stable seating of the cover on the seat without the need for modifications or fitting a universal element.

Product characteristics and service application

The offered part comes from a group of used elements, which in practice means it is a component removed from a vehicle that retains the manufacturer's original specifications. This type of solution is often chosen by professional service centers and conscious users who expect factory fitment and material compatibility with other interior elements. Original origin allows avoiding problems with color differences, material texture, or mismatched mounting points.

The side cover will prove particularly useful in situations where the existing element has cracked, worn out, or was damaged during seat removal. Replacing it with an original component allows for restoring the interior aesthetics and securing the seat structure without interfering with its mechanics.

Benefits of using an original seat cover

• Factory fitment to the driver's seat in the Mercedes W166, with no modifications required.
• Consistent cabin look thanks to maintaining the original interior stylistic line.
• Protection of seat structural elements in the rear zone against accidental damage.
• Possibility of economical interior repair using a used part with OEM specifications.

The use of this cover is particularly beneficial during comprehensive upholstery work, interior renovation, or restoring the vehicle to a factory-like state after a collision or intensive use. Precise fitment with the seat structure reduces the risk of play, rattles, or unwanted noises while driving.

Additional information and technical materials

If you are planning a comprehensive repair or modernization of the seat area in your Mercedes and need other elements from the same group, such as side seat covers, rail covers, or additional finishing panels, check the available parts in the Other Mercedes seat parts category.

When working inside the vehicle, there is often a need to remove the steering wheel or steering column elements, so it is worth familiarizing yourself with practical tips regarding diagnostics and the construction of the steering system. A detailed discussion can be found in the article "Steering system and power steering – how it works and what breaks?", which will facilitate safe planning of service work within the cabin.