Mercedes W251 Roof Racks Left Right N/O/S Roof Railing Rack Moulding Set

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W251 Roof Racks Left Right N/O/S Roof Railing Rack Moulding Set is a complete, original set of roof rails designed for installation on the left and right sides of the vehicle's roof. The component provides a stable base for roof racks, bicycle carriers, or cargo boxes, enhancing the vehicle's functionality for daily use. Thanks to the factory-fit design for the Mercedes W251 body, the rails create a cohesive, aesthetic, and technically refined load-securing system.

Specifications and technical data

• SKU: A2516902380
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2516902380
• Substitutable numbers: A2516902380, A 251 690 23 80, A2516902480, A 251 690 24 80
• Weight: 150
• Location on the vehicle: Right, Left
• Category: Other Exterior Parts & Accessories

Purpose and function of the roof rails

The roof rail set has been designed specifically for the Mercedes W251 body, taking into account the roof geometry and factory mounting points. It includes components mounted on the right and left sides, allowing for the creation of a full, functional load-bearing system for roof accessories.

The rails serve as a stable load-bearing structure, enabling the safe attachment of crossbars, holders, and racks. The proper placement of mounting points promotes even load distribution, which is important for both driving safety and roof durability.

Set construction and vehicle placement

The set includes rails intended for installation on the right and left sides of the roof, allowing for the restoration or recovery of the full functionality of the factory cargo transport system. The design of the rails is adapted to the W251 body lines, ensuring visual consistency with the rest of the bodywork after installation.

The arrangement of the mounting points has been developed to work with original roof mounts and accessories compatible with this model. Using a dedicated set reduces the risk of improper installation and minimizes the need for bodywork modifications.

Benefits of using original Mercedes roof rails

Using rails dedicated to the Mercedes W251 offers a number of practical benefits:

• Factory fit – the rails are designed for a specific model, which translates into a proper fit with the roof line.
• Safe load securing – the properly designed load-bearing structure promotes the stability of racks and holders.
• Cohesive body aesthetics – the rails integrate with the vehicle's silhouette without disrupting its characteristic look.
• Flexible expansion options – the rails serve as a base for mounting various transport systems (cargo boxes, sports carriers, racks).

Additionally, using the original set allows for compliance with the manufacturer's design specifications, which is important for the long-term operation of the vehicle.

Component condition and installation aspects

The offered rail set is a used item, which in practice means it comes from disassembly and may show signs of wear typical for this type of component. This type of solution is often chosen as a reasonable compromise between cost and maintaining the original manufacturer's specifications.

Before installation, it is recommended to verify the mounting points on the vehicle and compare the shape and length of the rails with those currently installed or specified in the technical documentation. A properly selected and mounted set of rails ensures stable and predictable operation of the roof system while driving with a load.

Part selection and additional technical information

The product has an assigned OEM part number and related interchangeable numbers, which facilitates compatibility verification with a specific version and model year of the Mercedes W251. The weight of the set is adapted to the structural requirements of the roof so as not to overload the body structure while maintaining the appropriate rigidity of the component.

When selecting rails, it is worth using the manufacturer's markings and the vehicle's service documentation to avoid installing components intended for a different body version. In case of doubt, it may be helpful to compare the shape and spacing of the mounting points with the solutions currently used in the specific vehicle.

If you are planning a comprehensive repair or upgrade of the roof area in your Mercedes and need other components from the same group, such as additional holders, covers, or rack mounts, check the available parts in the Other Mercedes category.

For drivers interested in comparing technical solutions used in various brands and models, including sports designs, an article discussing the differences in engine, brake, and chassis construction in high-performance cars may be helpful – details can be found in the material Audi RS vs other models – what is hidden under the hood and chassis?.