Mercedes-Benz E-Class W211 Rear Left Right Door Frame Seal Gasket A2116970351

Mercedes-Benz E-Class W211 Rear Left Right Door Frame Seal Gasket is an original component from the Doors and door panels group, designed for installation on the rear axle of the vehicle on either the left or right side. The carefully designed black sealing profile ensures a tight door closure, reduces noise, and improves acoustic comfort inside your Mercedes.

Specifications and technical data

• SKU: A2116970351
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2116970351
• Substitutable numbers: A2116970351, A 211 697 03 51
• Location on the vehicle: Rear, Right, Left
• Color: Black
• Category: Doors & Door Skins

Purpose and function of the door seal

The rear door seal in the Mercedes W211 model is responsible for precisely sealing the door frame perimeter against the vehicle body. A properly selected component:

• limits the penetration of water and moisture into the vehicle interior,
• reduces wind noise at higher speeds,
• stabilizes the door position when closed, improving the perceived rigidity of the bodywork,
• helps maintain proper thermal comfort in the cabin.

Thanks to its fitment for the specific body model, the seal works with factory mounting points, which facilitates installation and allows for consistency with other door frame elements.

Construction, color, and body fitment

The presented seal is manufactured in black, ensuring visual consistency with the factory finish of the pillars and door frames in the Mercedes. The flexible working profile adapts to the edges of the rear body section on both the left and right sides, allowing the same type of component to be used in both locations.

The placement on the vehicle covers the rear axle, meaning the seal works with the rear door panels, ensuring even pressure around the entire perimeter. This solution limits point loads and reduces the risk of leaks in critical areas, such as the upper corners or lower door edges.

Benefits of using an original Mercedes seal

Using a component dedicated to the Mercedes W211 allows you to maintain factory standards of sealing and driving comfort. Key advantages include:

• Structural compatibility – the seal is matched to the geometry of the door and body, minimizing the need for additional adjustments.
• Stable adhesion – the properly selected material hardness promotes even pressure around the entire door perimeter.
• Aesthetic edge finish – the black profile masks minor irregularities and joints, improving the visual perception of the door area.
• Can be used on both the left and right sides of the rear of the vehicle, which facilitates part selection during comprehensive seal replacement.

Component condition and service application

The seal is offered as a used part, which is a cost-effective service solution for users looking for original components at a reasonable price. Replacing a worn or brittle seal with a functional component helps limit water ingress into the sills and interior, as well as reduces noise generated by airflow around the body.

Due to its factory origin, the seal works well with existing hinges, locks, and door fittings, which facilitates installation in workshop conditions or during DIY replacement by an experienced user.

Expanding door area modernization

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

If you are considering a broader vehicle modernization and want to better understand the specifics of the used parts market, procedures for selection by OEM numbers, and the real cost differences between new and used components, it is worth reading the expert guide Why it is worth buying used gearboxes and engines – facts instead of myths, which organizes the most important information useful when planning other repairs as well.