Mercedes W212 Door Card Rear Left N/S Trim Panel Black Leather Nappa A2127300370

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W212 Door Card Rear Left N/S Trim Panel Black Leather Nappa is an original interior trim component designed for the rear left door area in W212 series models. The door upholstery in a black finish with a leather panel ensures a cohesive, elegant cabin appearance and a solid, factory-fit to the body structure. This is a practical solution for users looking to restore the interior aesthetics or perform a professional repair of the side door section.

Specifications and technical data

• SKU: A2127300370
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2127300370
• Substitutable numbers: A2127300370, A 212 730 03 70
• Location on the vehicle: Rear, Left
• Upholstery material: Leather
• Color: Black
• Category: Door Panels

Purpose and fitment

The presented door trim panel is designed specifically for the rear left side of the body in the Mercedes E-Class W212 generation. Its placement in the rear driver-side area ensures proper alignment with factory mounts, guides, and door hardware, which facilitates installation and reduces the risk of unwanted looseness or rattles during operation.

As an item from the Door upholstery category, the panel is responsible for the aesthetic finish of the inner door side, as well as protecting the structure against mechanical damage and dirt resulting from daily vehicle use.

Materials and finish

The door card is manufactured in a configuration combining a black finish with beige leather on the upholstery surface. The leather section provides a pleasant-to-touch, durable material in areas of contact with the passenger's hand and arm, while the dark part of the panel creates a subdued, technical contrast with the light element. This combination helps keep the interior clean and emphasizes the understated premium style characteristic of Mercedes.

The use of leather as an upholstery material facilitates easier cleaning and maintenance compared to typical fabrics, and the appropriately selected surface structure limits the visibility of minor signs of wear.

Cabin function and user comfort

The door panel performs several important functions in the vehicle cabin:

• covers the internal door structure, wiring, and mechanisms,
• creates a comfortable, soft armrest zone for the passenger,
• supports interior acoustics by partially dampening outside noise,
• visually stabilizes the side line of the cabin, maintaining color consistency.

Thanks to the leather finish, the door card improves the perceived comfort of travel, especially on longer journeys, where the ergonomics of support and a pleasant-to-touch surface have a direct impact on passenger experience.

Characteristics of the used product

The item comes from disassembly, which means it is a used part that retains the factory geometry and construction intended by the manufacturer. Such components are frequently chosen for post-accident repairs, replacing worn upholstery, or restoring the original interior look after years of use. Compared to non-original replacements, the genuine door card ensures proper fitment to the door shape and visual consistency with other cabin elements.

Support for selection and interior upgrades

If you are planning a comprehensive repair or upgrade of the door area in your Mercedes and need other elements from the same group, such as additional panels, trim strips, or other side covers, check the available parts in the Mercedes door upholstery category.

Those interested in making informed choices regarding aftermarket parts and the impact of such decisions on the environment can additionally read material describing the ecological aspects of component reuse – more information can be found in the article Sustainable automotive: How purchasing original used parts reduces the carbon footprint and protects the environment?.