Mercedes W251 Door Sill Front Left N/S Trim Entrance Cover Step A2516800135

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W251 Door Sill Front Left N/S Trim Entrance Cover Step is an original body component from the Doors and door panels group, designed for installation on the driver's side in the front part of the vehicle. The door sill trim protects the edge of the threshold when entering and exiting the vehicle, improves interior aesthetics, and helps maintain the stable geometry of the entry area.

Specifications and technical data

• SKU: A2516800135
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2516800135
• Substitutable numbers: A2516800135, A 251 680 01 35
• Location on the vehicle: Front, Left
• Category: Doors & Door Skins

Purpose and function of the door sill trim

The presented door sill trim has been designed specifically for W251 series models, with placement in the front – left side area. Its task is to protect the painted threshold edge against scratches, abrasions, and mechanical damage occurring during daily vehicle use.

This element also serves an aesthetic role – it visually organizes the sill line, masks any imperfections in the sheet metal edges, and helps maintain a consistent look for the entire door area. Thanks to the factory fit, installation is carried out at the mounting points provided by the manufacturer, without the need for modifications.

Benefits of using an original Mercedes trim

Using an original door sill trim in a Mercedes W251 ensures:

• precise fit to the shape of the threshold on the driver's side,
• stable mounting at factory body points,
• consistent appearance with other door trim elements,
• reduced risk of corrosion in the entry area thanks to additional sheet metal protection.

For the user, this means easier cleaning around the threshold and a more organized look for the entire entry area. Original fitment also facilitates workshop work – installation time is shorter, and the risk of fitment issues is significantly lower.

Installation characteristics and application

The trim is intended for installation in the front part of the body on the left side, in the driver's door area. The design of the element is adapted to the geometry of the threshold in W251 models, which allows for maintaining the correct connection line with door seals and other trim components.

In practice, this means that after correct installation:

• the edges of the trim cover sensitive areas prone to damage,
• there are no unwanted gaps between the trim and the threshold sheet metal,
• the doors close while maintaining factory clearances and tolerances.

Thanks to this, the element can be used both for post-accident repairs and for standard replacement of worn or damaged door sill trims.

Condition of the element and practical application

The offered door sill trim is in used condition, making it an attractive solution for Mercedes vehicle owners who are looking for a compromise between quality and repair costs. The used original component retains its factory geometry and mounting method, while simultaneously allowing for cost savings compared to a new replacement.

Such a solution is particularly beneficial for comprehensive body and paint work, when several elements of the door and threshold area are replaced in one stage. Maintaining original reference points facilitates the proper alignment of the entire side part of the body.

Expanding the repair area – Mercedes Doors and door panels

If you are planning a comprehensive repair or upgrade of the threshold area in your Mercedes and need other elements from the same group, such as additional trims, panels, or door reinforcements, check out the available parts in the Mercedes Doors and door panels category.

More about the trend for used originals

More and more owners of premium class cars are opting for used OEM components to maintain high repair standards at rational costs and avoid problems with the availability of new parts. If you want to better understand why such a solution works particularly well for brands like Mercedes, it is worth reading the article Crisis in the new parts market? Why in 2026 used originals for premium cars (BMW, Mercedes, Porsche) are the hottest trend.