Mercedes W212 Cover Rear Seat Lock Right O/S Trim Black A2129231222

The Mercedes W212 Rear Seat Latch Cover Right Rear Black is a precisely fitted trim element for the rear seat, designed for installation on the right side. The black finish maintains a cohesive interior look, and its construction, aligned with manufacturer solutions, ensures secure mounting and an aesthetic closure for the latch area. It's a practical choice for users who want to restore the original look of their Mercedes seat in a technically correct manner.

Specifications and technical data

• SKU: A2129231222
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2129231222
• Substitutable numbers: A2129231222, A 212 923 12 22
• Location on the vehicle: Rear, Right
• Color: Black
• Category: Additional Seat Parts

Purpose and Function of the Element

The described cover belongs to the Other Seat Parts category and serves as a cover for the rear seat latch area on the right side. Its function is to:

• conceal the seat latch mechanism from the passenger cabin side,
• visually organize the space near the seat edge,
• protect the mechanism from accidental contact with clothing or luggage.

Thanks to its dedicated shape, the element works with factory mounting points, facilitating installation and reducing the risk of looseness or unwanted noises during driving.

Color Scheme and Interior Fit

The black color of the cover is neutral and integrates well with typical interior configurations used in Mercedes E-Class W212 models. This color:

• does not distract from other upholstery elements,
• facilitates stylistic consistency when replacing a single component,
• helps to discreetly mask minor signs of wear.

Its placement on the rear right side of the vehicle clearly identifies the mounting position and avoids errors in part selection.

Installation Characteristics

The cover is designed as a part that fits the seat structure in the Mercedes W212, promoting efficient installation. In practice, this means:

• the part's geometry is adapted to the shape of the seat's side area,
• space is provided for the latch mechanism to operate without colliding with the cover,
• once correctly mounted, the element forms a seamless line with adjacent trim pieces.

This type of solution is particularly beneficial for post-accident repairs, replacing damaged interior parts, or completing missing details after seat disassembly.

Benefits of Using an Original Solution

Using a seat latch cover that aligns with the manufacturer's solution helps maintain the original character of the Mercedes interior. Key benefits include:

• visual consistency with other upholstery and plastic elements,
• predictable performance during use, without the need for modifications,
• easier part identification in service documentation and catalogs.

For users who strive to keep their car in a condition close to its factory configuration, this is a technically safe and aesthetically organized solution.

Related Parts and Technical Knowledge

If you are completing or upgrading other elements from the Other Seat Parts group for your Mercedes, including additional covers, caps, or rear seat trim details, check available parts in the Mercedes Other Seat Parts category.

For comprehensive interior work, systems affecting travel comfort, such as heating or air conditioning, are often serviced concurrently; for planning such activities, the article Air Conditioning and Heating – Part Selection and Maintenance for Year-Round Comfort, which discusses the selection of used OEM components, service scope, and practical procedures, may be helpful.