MERCEDES 2316730165 Rear Left Door Window Weather Seal Benz R231 Molding

( Manufacturer Part Number: 2316730165 ), ( Color: Black ), ( Material: Rubber ), ( Vintage Part: No ), ( Placement On Vehicle: Left, Rear ), ( Type: Window Seal ), ( Manufacturer Warranty: 1 Month ), ( Attachment Type: Adhesive ), ( Features: Easy Installation ), ( Country Of Origin: Germany )

Review MERCEDES benz Rear Left Door Window Weather Seal Molding Oem fits SL550 SL450 2013–2020

The **Mercedes-Benz 2316730165 R231 SL550/SL450 Rear Left Door Window Weather Seal Molding (2013 2020)** is a precision-engineered rubber and plastic trim component designed to ensure a perfect seal between the rear left door and the vehicle s window mechanism on the iconic R231 SL-Class models. Crafted to meet Mercedes-Benz s exacting standards, this weather seal molding is engineered to prevent drafts, water ingress, and road noise while maintaining the sleek, aerodynamic profile of the SL550 and SL450. Its durable construction features a high-quality rubber compound reinforced with a robust plastic frame, providing long-lasting resilience against environmental stressors such as UV exposure, temperature fluctuations, and mechanical wear. The molding s ergonomic design ensures a snug fit around the window track, allowing for smooth operation of the power window system while minimizing gaps that could compromise the cabin s sound insulation and climate control efficiency. Whether installed on the SL550 s high-performance V8 or the SL450 s twin-turbo V6, this part is essential for preserving the vehicle s premium driving experience and resale value. Ideal for both original equipment replacement and customization projects, this weather seal molding exemplifies Mercedes-Benz s commitment to craftsmanship, ensuring a seamless blend of functionality and aesthetics in one of the most coveted convertible models of the modern era.

### **Pros and Cons of buying a Mercedes-Benz 2316730165 (R231 SL550/SL450 Rear Left Door Window Weather Seal Molding, 2013 2020)**

1. **OEM Quality and Fit** This is a genuine Mercedes-Benz part, meaning it is designed to match the original specifications of your vehicle. It should fit properly without modifications and maintain the vehicle s resale value.

2. **Durability and Longevity** Weather seal moldings are exposed to constant wear from opening/closing the door, UV exposure, and environmental elements. A high-quality OEM part is built to last longer than aftermarket alternatives, reducing the need for frequent replacements.

3. **Aesthetic Consistency** The molding maintains the factory appearance of your SL550/SL450, ensuring a seamless look without mismatched or poorly colored replacements.

4. **Reliability** Mercedes-Benz parts are engineered to meet strict quality standards, reducing the risk of premature failure or leaks that could damage the door mechanism or interior.

5. **Warranty Coverage** If purchased from an authorized dealer or a reputable supplier, this part may come with a warranty, providing peace of mind against defects.

6. **Prevents Water Leaks and Rust** A properly installed weather seal prevents moisture from entering the door panel, which is critical for preventing rust and water damage to electrical components.

7. **Compatibility with Original Door System** Unlike aftermarket parts that may not align perfectly, this OEM molding integrates seamlessly with the door s existing mechanisms, reducing the risk of operational issues.

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1. **High Cost** OEM parts from Mercedes-Benz are significantly more expensive than aftermarket alternatives. Prices for this specific molding can range from **$150 to $300 **, depending on the supplier and condition (new vs. used/refurbished).

2. **Limited Availability** Finding this exact part may require ordering from an authorized dealer, a specialty auto parts store, or an online marketplace (e.g., eBay, RockAuto, or Mercedes-Benz parts catalogs). Some suppliers may not stock it in stock, leading to longer wait times.

3. **Installation Complexity** While the part itself is straightforward, removing the old molding and properly sealing the new one requires careful handling to avoid damaging the door panel or paint. DIY installation may be challenging for those without mechanical experience.

4. **Potential for Counterfeit Parts** If purchasing from third-party sellers (especially online), there is a risk of receiving a **fake or low-quality replica**. Always verify the seller s reputation and part authenticity.

5. **Labor Costs if Professional Installation is Needed** If you choose not to install it yourself, labor costs at a Mercedes-Benz dealership or specialty shop can add **$100 $200 ** to the total expense.

6. **Minimal Performance Impact** Unlike engine or suspension parts, this is a cosmetic and functional component rather than a high-performance upgrade. The benefits are mostly long-term protection rather than immediate performance gains.

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Buying the **Mercedes-Benz 2316730165 rear left door window weather seal molding (2013 2020)** is a **practical and high-quality choice** if you prioritize **durability, fitment, and long-term reliability**. The OEM part ensures a perfect match for your SL550/SL450, prevents water ingress, and maintains the vehicle s aesthetic integrity. However, the **high cost and potential installation challenges** make it less ideal for budget-conscious buyers or those unwilling to invest time in DIY repairs.

If you are experiencing **visible wear, leaks, or damage** to your current molding, replacing it with this OEM part is a **wise investment** to protect your vehicle s interior and structural integrity. For those on a tighter budget, **high-quality aftermarket alternatives** (e.g., from **Duralast, ACDelco, or local Mercedes specialists**) may offer a cost-effective solution though they may not last as long or fit as perfectly.

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- **If you value OEM quality and can afford the cost**, purchase this part from an **authorized Mercedes-Benz dealer or a trusted online supplier** (e.g., **Mercedes-Benz Parts Online, eBay with verified sellers, or RockAuto**).

- **If you re concerned about cost**, compare aftermarket options (e.g., **Duralast 3000 or similar**) but be prepared for potential fitment or durability trade-offs.

- **If installing yourself**, ensure you have the right tools (plastic trim removal tools, adhesive, and sealant) and follow a **step-by-step guide** to avoid damaging the door panel.

- **If unsure about installation**, consult a **Mercedes-Benz specialist** to confirm compatibility and proper sealing techniques.

**Final Verdict:** This is a **solid OEM choice** for serious Mercedes owners who want the best fit and longevity, but weigh the cost against alternatives if budget is a concern.

Details:

100% Satisfaction: Guarantee. Why Customer love us ?: Received everything pictured and was boxed up very well. Best quality: Products. Mercedes R231 SL550 SL450 Rear Left Door Window Weather Seal Molding OEM 13-20 B14.

Our team will do our best to solve any issue. Mercedes R231 SL550 SL450 Rear Left Door Window Weather Seal Molding OEM 13-20. Fast 'N Secure: Delivery.

part #: 2316730165 prices

• $35.00-$64.99

specifications vintagwinde:

• for models: Sl550, Sl450
• for makes: Mercedes
• for years: 2013-2020
• mpn: 2316730165
• color: Black
• material: Rubber
• vintage part: No
• placement on vehicle: Left, Rear
• type: Window Seal
• manufacturer warranty: 1 Month
• attachment type: Adhesive
• features: Easy Installation
• country of origin: Germany

returns vintagwinde:

• policy: No Returns

payments vintagwinde:

• wallet: Google-pay
• other
• credit card: Discover

general vintagwinde:

• condition: Used
• Exterior Parts Accessories > Glass Window Parts > Window Seals, Gaskets Trims

seller vintagwinde:

• rating: 99.5%
• # reviews: 952
• city: Sacramento, California

offer vintagwinde:

• availability: In Stock
• options: Ship-to-home
• started: May 5, 2026
• sold: 0
• quantity: 1

shipping vintagwinde:

• transit: 5-11 Days
• class: Economy
• type: Fixed
• service: Economy
• cost: $0.00

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