Mercedes S212 Insulation Boot Trunk Rear Left N/S Cover Luggage A2126822141

Mercedes S212 Insulation Boot Trunk Rear Left N/S Cover Luggage is an original upholstery component designed for the rear left section of the luggage compartment. Engineered by Mercedes, it ensures a perfect fit to the body structure and stable mounting at factory installation points, improving acoustic comfort and the aesthetics of the trunk interior.

Specifications and technical data

• SKU: A2126822141
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2126822141
• Substitutable numbers: A2126822141, A 212 682 21 41
• Location on the vehicle: Rear, Left
• Category: Cargo Nets, Guards & Boot Organisers

Purpose and function of the component

The presented trunk side insulation is dedicated for installation in the rear left part of the vehicle, in the wheel arch and side wall area of the trunk. Its purpose is to:

• reduce noise penetration from the wheel arch and suspension area,
• protect the body panels against accidental impacts from transported cargo,
• visually organize the side section of the trunk,
• provide stable support for any additional organizers or accessories.

Thanks to its factory-molded shape, the insulation works in harmony with other trim elements, creating a cohesive and functional cargo space.

Benefits of using original insulation

Using original trunk insulation translates into a number of practical advantages in daily operation:

• Better acoustic comfort – reduction of road noise and suspension operation sounds from the left side of the rear axle.
• Protection of upholstery and bodywork – limiting the risk of abrasions and dents caused by shifting cargo.
• Factory fitment – tailored to the body geometry characteristic of the S212 series, without the need for modifications.
• Easier maintenance of order in the trunk – the side wall gains a uniform, organized surface.

This solution is particularly beneficial for intensive use of the cargo space, where both functionality and maintaining proper acoustic suspension performance are important.

Integration with trunk equipment

The element belongs to the Trunk nets, organizers, and partitions group, which means it works with other components that organize the cargo space. Properly installed insulation:

• provides a stable background for additional organizers and partitions,
• facilitates the installation of accessories provided by the manufacturer in the side part of the trunk,
• helps keep transported items closer to the trunk wall, limiting their movement.

As a result, the trunk remains more organized, and the risk of damage to other upholstery elements is reduced.

Installation characteristics and condition

The insulation is intended for installation in the rear left part of the vehicle, in the location provided by the manufacturer. The design of the element allows for:

• seating in the original mounting points,
• maintaining access to service areas of the trunk (e.g., technical cavities),
• cohesive connection with adjacent upholstery panels.

The product is in used condition, which in practice means maintaining functionality while taking into account signs of wear typical for trunk interior elements.

Selecting the component based on technical data

To correctly select the trunk side insulation for a specific vehicle, it is worth using the manufacturer's markings and information about the placement on the vehicle. The product description includes, among others:

• brand designation,
• information about placement on the vehicle,
• condition designation,
• internal stock code,
• manufacturer identification data, such as OEM part number and interchangeable numbers.

This approach minimizes the risk of purchasing an element with incorrect geometry or purpose.

If you are planning a comprehensive repair or upgrade of the trunk area in your Mercedes and need other elements from the same group, such as additional organizers, partitions, or cargo securing systems, check the available parts in the Mercedes trunk nets, organizers, and partitions category.

For a comparison of how premium manufacturers approach original interior components and how they are selected based on technical markings, it is worth reading an article describing the procedures used in another segment of high-end cars: BMW – sports performance and precision. How do original used parts extend the life of the Bavarian icon?