Mercedes H243 Edge Guard Seal Door Rear Left Right N/O/S Sealing A2476921100

Mercedes H243 Door Edge Seal Left Right Rear is an original part from the Door Seals group, designed for the rear left and right sides of the body. It ensures a tight seal of the door leaf, reduces road noise, and improves cabin acoustic comfort, while protecting the sheet metal edge from mechanical damage.

Specifications and technical data

• SKU: A2476921100
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2476921100
• Substitutable numbers: A2476921100, A 247 692 11 00
• Location on the vehicle: Rear, Right, Left
• Category: Door Seals

Purpose and Function of the Door Edge Seal

The presented seal has been specifically designed for installation on the rear edge of the left and right doors. Its purpose is to:

• seal the contact between the door and the body in the rear part of the vehicle,
• reduce the ingress of water, dust, and dirt into the interior,
• limit air turbulence and noise at higher speeds,
• provide additional protection for the paint on the door edge against scuffs.

Thanks to its precise fit for a specific Mercedes model, the seal maintains the correct geometry, which translates to stable adhesion to the sheet metal and even pressure along the entire edge length.

Construction and Body Fitment

The rear left and right door edge seal is profiled for a specific body construction, which facilitates installation and minimizes the risk of leaks. The appropriately selected material hardness allows for:

• secure seating on the door rim without excessive play,
• maintaining its shape through repeated opening and closing,
• cooperation with factory locks and hinges without increasing closing resistance.

This component belongs to the Door Seals group, meaning it is designed to operate in varying weather conditions and with frequent door leaf opening and closing cycles.

Characteristics of a Used Component

The seal is a used part, removed from a vehicle, which allows for the preservation of the original manufacturer's specifications and factory fitment to the body. This type of component is particularly beneficial for:

• post-accident repairs of the rear part of the vehicle,
• eliminating leaks and whistling noises around the rear doors,
• restoring factory acoustic comfort after painting or replacing doors.

Using an original seal from the same model series reduces the risk of fitment issues that can occur with universal aftermarket alternatives.

Benefits of Using an Original Mercedes Seal

Choosing the correct door edge seal directly impacts the comfort of using the vehicle. The application of this component allows for:

• more stable closing of the rear doors without requiring excessive force,
• reduced noise transmission from the wheel arch and rear axle areas,
• better protection of the interior from moisture in the sill and door trim areas,
• visual and technical consistency with other body seals.

For Mercedes vehicles, using a component from the same design line is important for durability and maintaining factory sealing parameters.

If you are planning a comprehensive repair or upgrade of the rear door area in your Mercedes and need other parts from the same group, such as perimeter seals, bump stops, or additional edge profiles, check the available parts in the Mercedes Door Seals category.

For owners of other brands who want to better understand the importance of used original components and the procedures for selecting them by part numbers, an article describing the approach of a premium segment manufacturer might be helpful – BMW – Sporty Performance and Precision. How Used Original Parts Extend the Life of the Bavarian Icon?.