Mercedes W251 Window Roller Blind Door Rear Left N/S Sun Protection A2518100720

Mercedes W251 Window Roller Blind Door Rear Left N/S Sun Protection is an original comfort equipment component, designed specifically for the rear door on the driver's side. It provides effective protection against solar radiation, improves thermal comfort inside the vehicle, and reduces glare for passengers, while maintaining the factory aesthetics of the vehicle. As part of the Sun blinds and protective shades group, it perfectly meets the requirements of users expecting a functional solution consistent with the original.

Specifications and technical data

• SKU: A2518100720
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2518100720
• Substitutable numbers: A2518100720, A 251 810 07 20
• Location on the vehicle: Rear, Left
• Category: Sun & Privacy Shades

Purpose and fitment

The presented roller blind is intended for installation in the Mercedes R-Class (W251) model on the rear left door. The design, based on factory mounting points, allows for installation without modifications, maintaining full compatibility with the door upholstery and window line. As a result, the component integrates with the vehicle's interior like original equipment, without any play or unwanted noise while driving.

Protection and comfort function

The sun blind performs several key functional roles:

• reduction of vehicle interior heating on sunny days,
• limiting glare for passengers in the rear seat,
• increasing privacy inside the cabin,
• protection of upholstery and trim elements against the long-term effects of UV radiation.

Compared to aftermarket covers mounted with suction cups or clips, the factory roller blind ensures stable material guidance and repeatable operation of the retraction mechanism, which translates into convenience in everyday use.

Design characteristics

The roller blind has been designed as a permanent element, integrated into the door structure. The guidance and retraction mechanism is matched to the geometry of the rear left window, which allows for even tensioning of the material and precise fit to the edges. The applied design solutions minimize the risk of jamming and ensure repeatable operation during repeated raising and lowering of the cover.

As an original Mercedes part, the roller blind maintains stylistic consistency with other interior elements, and its installation does not negatively affect the operation of the window or seals. It is a practical solution for users who expect factory standard workmanship and predictable durability.

Condition and service application

The item is offered in used condition, which makes it an attractive cost-effective alternative to new components, while maintaining the manufacturer's original specifications. This type of roller blind is suitable both for replacing a damaged mechanism and for retrofitting the vehicle with additional sun protection on the rear left side.

Thanks to the preservation of the factory design, installation can be carried out in a workshop environment or by an experienced user familiar with the door upholstery structure in the Mercedes W251. A correctly installed roller blind restores full functionality of the window cover in the rear part of the vehicle.

Equipment expansion and part selection

If you are planning a comprehensive repair or upgrade of the rear side window area in your Mercedes and need other elements from the same group, such as additional covers, guides, or retraction mechanisms, check the available parts in the Mercedes Sun blinds and protective shades category.

When choosing used parts, it is worth consciously comparing them with refurbished parts in terms of cost-effectiveness and durability. It may be helpful to discuss this issue in the article: Refurbished or used original – which part to choose for repairs?, where practical arguments for using original dismantled components in various vehicle systems are presented.