Mercedes SL R231 Door Window Outer Weatherstrip Seal Rail Right O/S A2317200224

Mercedes SL R231 Door Window Outer Weatherstrip Seal Rail Right O/S is a precision body component responsible for sealing the window guide and protecting the door edge. The original design, tailored to the SL R231 model, ensures proper adhesion to the glass, reduces wind noise, and helps protect the interior from moisture. As part of the Protective and decorative moldings group, this component supports the smooth operation of the windows and maintains the aesthetics of the side bodywork.

Specifications and technical data

• SKU: A2317200224
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2317200224
• Substitutable numbers: A2317200224, A 231 720 02 24
• Location on the vehicle: Right
• Category: Body Mouldings & Trims

Function and application in the bodywork

The described outer window weatherstrip seal is designed for installation on the right side of the vehicle, in the upper door area, where the glass meets the body panel. Its purpose is to:

• limit the ingress of water and contaminants into the door interior,
• stabilize the window edge during raising and lowering,
• reduce wind noise at higher speeds,
• protect the paint and metal edges from minor mechanical damage.

Thanks to its proper profile, the seal works in harmony with the window lifting mechanism, which promotes smooth operation of the regulator and reduces the risk of improper closing.

Benefits of using an original protective molding

Using the original outer molding on a Mercedes SL R231 allows for maintaining the factory fit of body components. Precise adaptation to the shape of the door and window minimizes the need for additional adjustments during installation and reduces the risk of leaks. The appropriately selected stiffness and material flexibility promote stable performance over a long service life.

This component from the structural group also influences the visual perception of the side body line – an even, continuous contact between the glass and the molding improves aesthetics and helps maintain a consistent vehicle appearance after bodywork repairs or glass replacement.

Selection and vehicle compatibility

The seal was designed specifically for the R231 generation SL body, taking into account the door geometry and the characteristic window line of this model. Dedicated placement on the right side of the vehicle means that the profile and length of the component are optimized for this specific mounting position. When selecting parts, it is worth paying attention to compatibility with the body version and the mounting side to avoid fitment issues.

The product belongs to the Protective and decorative moldings group, which means that in addition to its sealing function, it also serves as a finishing element that affects the final appearance of the door edge and window line.

Condition and service application

The offered component is used, making it an attractive service solution in situations where it is necessary to replace a damaged or deformed molding after a collision, body repair, or glass replacement. A properly selected outer window weatherstrip seal allows for restoring correct window guidance and reducing unwanted noises resulting from leaks or play at the glass-to-door interface.

Related components and additional information

If you are planning a comprehensive repair or upgrade of the side body area of your Mercedes and need other components from the same group, such as covers, overlays, or additional moldings, check the available parts in the Mercedes protective and decorative moldings category.

When planning broader service work, it is also worth familiarizing yourself with educational materials regarding common faults and repair costs in modern cars – the article BMW E90 engine failures: check what can ruin your budget! may be helpful, as it shows how proper diagnostics and part selection affect the total cost of vehicle ownership.