Mercedes-Benz E S210 W210 Estate Rear Left Right N/O/S Door Seal Gasket Grey

The Mercedes S210 W210 rear door seal grey is an original part from the Doors and Door Panels group, designed for the rear body section of E-Class Estate and Sedan models. The grey seal ensures a tight fit of the door leaf to the body, reducing noise, moisture ingress, and unwanted air drafts, thereby improving the acoustic and functional comfort of the interior. Thanks to its factory profile and precise fit to the Mercedes body structure, this part allows for accurate, repeatable installation on the left or right side of the rear door pair.

Specifications and technical data

• SKU: A2106971451-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2106971451
• Substitutable numbers: A2106971451, A 210 697 14 51, BG
• Location on the vehicle: Rear, Right, Left
• Color: Grey
• Category: Doors & Door Skins

Purpose and Function of the Rear Door Seal

The presented seal operates in the rear door area, on the left or right side, where it is responsible for maintaining a controlled gap between the door panel and the body frame. A correctly chosen rubber profile and appropriate material hardness help to limit vibration transfer, as well as reduce creaks and resonances when closing the doors.

The grey finish of the seal allows for a cohesive match with the factory body and interior color scheme, which is important for both aesthetic and functional reasons. The uniform grey color facilitates visual inspection of the working surface, for example, for dirt or potential mechanical damage.

Body Compatibility and Installation

The seal has been specifically designed for the rear door structure of the S210/W210 series, which translates to proper guidance along the perimeter of the door opening and stable seating in the factory recesses. This allows for the preservation of the original contact geometry, without the need for body panel modifications or the use of additional spacer elements.

During installation, it is important to:

• thoroughly clean the contact surface of old seal residue and dirt,
• ensure even pressure is applied around the entire perimeter,
• check the door operation after installation (closing, fit, no jamming).

A seal prepared in this way allows for the restoration of the factory level of sealing in the rear cabin, which is particularly important when operating in rainy conditions, using pressure washers, or driving at higher speeds.

Performance Characteristics and Benefits of Use

Replacing a worn seal with a functional part from the same construction group helps to reduce typical operational problems, such as water ingress into the interior, window fogging, or increased road noise. Precise fit to the Mercedes door construction contributes to maintaining acoustic and thermal comfort, as well as improving the subjective feel of the door closing quality.

Key benefits include:

• more stable adherence of the door leaf to the body frame,
• reduction of drafts and local leaks,
• better protection of panel edges against moisture and dirt.

The grey color facilitates integration with the factory finish, which is important for maintaining a cohesive vehicle appearance after bodywork and paint repairs or door component replacements.

Item Condition and Service Application

The seal is a used original part obtained from disassembly, meaning it retains the factory geometry and operational characteristics intended by the vehicle manufacturer. This type of component is particularly useful for accident repairs, replacement of corroded doors, or restoring sealing in older models where the original seals have lost their properties.

It is always advisable to confirm the correct seal for a specific vehicle based on the vehicle's data and information from the technical specifications section, which minimizes the risk of mismatch and speeds up the installation process.

Related Parts from the Mercedes Door Group

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

Before undertaking major operational or seasonal changes, it is also worth analyzing the condition of other body and equipment components, using the practical tips contained in the article Winter Essentials: Which Used Car Parts Are Worth Checking and Replacing Before the Frost?, where you will find checklists, references to parameters, and answers to frequently asked questions.