Mercedes V251 W251 Folding Seat Backrest Adjuster Cover Right O/S A2519355686

Mercedes V251 W251 Folding Seat Backrest Adjuster Cover Right O/S is an original trim component designed for the right side of the seat in V-Class/R-Class models, allowing for an aesthetic cover of the backrest adjustment mechanism. Thanks to its factory fitment to the seat structure, it ensures a consistent interior look and proper guidance of the control elements. This is a practical solution for users who want to restore a neat, cohesive, and functional character to the vehicle's interior.

Specifications and technical data

• SKU: A2519355686
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2519355686
• Substitutable numbers: A2519355686, A 251 935 56 86
• Location on the vehicle: Right
• Part type: Trim Strip
• Category: Trim

Purpose and function of the component

The seat backrest adjuster cover is responsible for shielding the adjustment mechanism and any cables or levers on the right side of the seat. As a part from the Claddings, decorative strips, and trims group, it serves both protective and aesthetic functions:

• masks the working elements of the backrest adjustment mechanism,
• protects the mechanism against accidental dirt or mechanical damage,
• ensures a visually consistent finish for the side part of the seat,
• stabilizes the position of adjustment levers or knobs.

Compatibility and seat fitment

The component has been designed specifically for the right-hand seat, which means its geometry, mounting points, and shape are adapted to the factory seat construction. As a result:

• the cover fits precisely to the side of the seat,
• it does not interfere with the range of motion of the backrest adjuster,
• it allows for the preservation of original operating ergonomics,
• it facilitates installation without the need for structural modifications. The original Mercedes origin helps maintain uniform color and material texture within the interior, which is particularly important for aesthetic repairs.

Performance characteristics and benefits

The right-side seat backrest adjuster cover is suitable both for repairing a damaged component and for completing missing details after seat disassembly. Key benefits include:

• factory fitment to the seat structure in V251/W251 models,
• preservation of the original interior styling line,
• visual improvement of the side of the seat after replacing a damaged cover,
• protection of the adjustment mechanism against accidental snagging by passengers. As a trim component, it allows for an easy way to enhance the overall quality of the interior, which is important for both daily comfort and the potential resale value of the vehicle.

Practical installation tips

When replacing the seat backrest adjuster cover, it is worth paying attention to:

• correct alignment of levers or knobs relative to the openings in the cover,
• delicate latches and clips – their proper engagement minimizes the risk of looseness and rattling,
• checking the smoothness of the adjustment mechanism after installation. Due to the factory fitment, installation is usually limited to properly seating the component on existing mounting points, without the need for additional adapters.

Interior upgrade expansion

If you are planning a comprehensive repair or upgrade of the seat trim area in your Mercedes and need other elements from the same group, such as side seat covers, decorative seat strips, or additional masking claddings, check the available parts in the Mercedes claddings, decorative strips, and trims category. When selecting used interior elements and other vehicle components, it is worth paying attention to the general technical and visual condition of the parts to avoid problems similar to those that may occur with fuel system components – you can find more practical tips in the article Fuel dosing problems: what to look for when buying a used injection pump and fuel rails?.