fits model: S5, R129, 500sl. make: Mercedes. year: 1990–2000.

( Brand: Mercedes Benz ), ( Manufacturer Part Number: S5/1565/4/R ), ( Features: Cleaned ), ( Oe/oem Part Number: S4/1565/4/r ), ( Vintage Part: Yes ), ( Placement On Vehicle: Rear, Quarter Glass Right Side ), ( Color: Black ), ( Type: Weather Seal )
The **Mercedes-Benz S5/1565/4/R 1990-2000 R129 500SL Top Rear Quarter Window Rubber Seal** is a meticulously engineered aftermarket replacement part designed to restore the factory-level functionality and aesthetic integrity of the iconic R129 500SL convertible s rear quarter window. Crafted from high-quality, durable rubber compound, this seal is engineered to withstand the rigors of daily use while maintaining a tight, weatherproof fit against the vehicle s fiberglass or glass rear quarter panel. The precision-molded design ensures seamless adhesion to the window s frame, preventing drafts, water intrusion, and road debris from compromising the cabin s comfort and insulation. Whether restoring a classic 500SL to its original showroom condition or upgrading an existing soft top for enhanced durability, this seal is a critical component for maintaining the vehicle s legendary blend of performance and luxury. Its universal fitment across the 1990 2000 R129 generation guarantees compatibility with both original and aftermarket window assemblies, making it an essential accessory for enthusiasts seeking to preserve the timeless elegance of this legendary Mercedes-Benz model.
### Pros and Cons of Buying a Mercedes-Benz S5/1565/4/R (R129) 500SL Top Rear Quarter Window Rubber Seal (1990 2000)
#### **Pros:**1. **Rarity and Collectibility** The R129 500SL is a highly sought-after classic Mercedes-Benz, especially in convertible form. A well-maintained example with original or restored components can appreciate significantly over time, making it a strong investment for enthusiasts.
2. **Iconic Design and Prestige** The R129 500SL is a legendary sports car with a timeless, elegant design. Owning one carries prestige and is a statement of taste, particularly among automotive collectors.
3. **Performance and Engineering** The 5.0L V8 engine (M117) produces around 280 300 hp (depending on model year and tuning), delivering strong acceleration and a smooth, refined driving experience. The manual transmission (if present) adds to the driving appeal.
4. **Convertible Appeal** The soft-top mechanism, while aging, is a defining feature of the 500SL. A functional or restored top enhances the car s desirability, though maintenance can be costly.
5. **Potential for Restoration** If the seal is part of a larger restoration project, sourcing original or high-quality aftermarket parts can improve the car s value and reliability. Many owners enjoy the hands-on challenge of restoring these cars.
6. **Aftermarket Support** The R129 has a strong aftermarket community, with readily available parts, upgrades (e.g., suspension, brakes, exhaust), and restoration guides. This makes maintenance and modifications more accessible than on older Mercedes models.
7. **Driving Experience** The car offers a balance of comfort and sportiness, with a well-tuned suspension (for its era) and a luxurious interior. The convertible top provides an open-air driving experience that remains unmatched by many modern cars.
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#### **Cons:**1. **High Maintenance Costs** Classic Mercedes-Benz engines, especially the M117 V8, are known for their complexity. Regular maintenance (valve adjustments, timing chain, oil changes with synthetic oil) is essential but expensive. Neglect can lead to costly repairs.
2. **Aging Suspension and Steering** The suspension components (shocks, bushings, control arms) and steering rack wear out over time. Replacing these parts can be pricey, and alignment becomes a frequent necessity.
3. **Electrical System Reliability** The R129 s electrical system (ignition, gauges, windows, etc.) can be finicky. Modern wiring or component failures may require specialized knowledge or parts to fix.
4. **Convertible Top Wear** The soft-top fabric, canvas, and mechanical components degrade over time. Replacing the top or restoring it to original condition is labor-intensive and costly. A non-functional top significantly reduces the car s value.
5. **Fuel and Emissions Compliance** Modern emissions regulations may require modifications (e.g., catalytic converters, fuel system updates) to pass inspections in some regions. This can add to the cost of ownership.
6. **Parts Availability and Cost** While parts are available, some original components (e.g., specific seals, gaskets, or interior trim) can be expensive or difficult to source. Aftermarket parts may not always match the quality of OEM components.
7. **Insurance and Storage** Classic cars often carry higher insurance premiums due to their value and repair costs. Secure storage (garage, climate-controlled) is recommended to prevent weather damage, which can be particularly problematic for convertibles.
8. **Time-Consuming Ownership** Restoring, maintaining, or even daily driving an R129 500SL requires patience and dedication. The car is not a "set-and-forget" purchase; it demands attention to detail.
9. **Market Volatility** While the R129 is desirable, the classic car market can be unpredictable. Economic factors, trends, or oversaturation of similar models can affect resale value.
10. **Potential for Hidden Issues** Without a thorough inspection (or restoration history), buyers may inherit problems like:- **Engine wear** (valve leaks, oil consumption, timing chain stretch).
- **Transmission issues** (especially in automatic models).
- **Rust** (common in older Mercedes, particularly in the floor pans, wheel wells, and rear quarter panels).
- **Frame or chassis damage** (from accidents or poor storage).
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### **Conclusion:**Buying a **Mercedes-Benz R129 500SL top rear quarter window rubber seal** (or the car itself) is a significant investment that appeals to enthusiasts who value classic automotive craftsmanship, driving pleasure, and collectibility. The car s strengths lie in its prestige, performance, and the joy of ownership for those who enjoy restoring or maintaining it. However, the costs both financial and time-consuming are substantial. It is not a practical daily driver for most people but rather a passion project or a long-term investment for collectors.
The **seal itself** is a relatively minor component, but it may indicate that the car is either in need of restoration or has been partially restored. If you re purchasing the seal as part of a larger project, ensure you re sourcing it from a reputable supplier to avoid compatibility issues.
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### **Recommendation:** 1. **If You re a Restorer or Enthusiast:**- **Proceed with caution.** Only buy the car (or parts) if you have the budget, time, and mechanical skills to handle maintenance and potential repairs. Prioritize cars with **full restoration history** or those that have been well-maintained. A **pre-purchase inspection (PPI)** by a Mercedes specialist is critical.
- Focus on **low-mileage examples** (under 50,000 miles) with **original engines and transmissions** if possible, as these hold value better.
- Consider **budgeting for a full restoration** upfront rather than buying a project car blindly.
2. **If You Want a Drivable Classic:**- Look for **already restored or fully functional examples**. Avoid cars with rust, major engine issues, or non-functional tops unless you re prepared to invest heavily in repairs.
- Join **R129 owner forums** (e.g., Mercedes-Benz Club of America, R129-specific groups) to learn from experienced owners about common pitfalls and reliable sources for parts.
3. **If You re Buying the Seal Only:**- Ensure the seal is **compatible with your specific model year** (1990 2000 R129 500SL). Measure the dimensions or consult a parts manual to avoid mismatches.
- Purchase from a **trusted supplier** (e.g., Classic Mercedes specialists, eBay sellers with positive feedback, or reputable aftermarket brands like **Mercedes-Benz Classic Parts, ECS, or MBS**).
- If restoring the top, consider **professional installation** for the seal to ensure a proper fit and prevent leaks.
4. **Financial Considerations:**- **Budget for hidden costs.** Even a "good" R129 can require $5,000 $15,000 in repairs annually if not fully restored. Factor in insurance, storage, and potential depreciation.
- **Avoid "too good to be true" deals.** If a car is priced significantly below market value, investigate why it may have undisclosed issues.
5. **Alternative Options:**- If the R129 is out of your budget or scope, consider **later-model Mercedes convertibles** (e.g., R129 SLK, W203 SL) or **other classic sports cars** (e.g., Porsche 911, Jaguar XK8) that offer a balance of performance and manageability.
- For a more modern but still classic experience, a **restored R129 with a lower mileage** may be a smarter investment than a high-mileage project car.
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### **Final Verdict:**The **R129 500SL** is a fantastic car for the right owner someone who appreciates classic automotive excellence and is willing to commit to its care. However, it is **not a casual purchase**. If you re prepared for the challenges and enjoy the process of restoring or maintaining a legendary car, it can be a rewarding and valuable addition to your collection. If you re looking for a hassle-free or budget-friendly classic, this may not be the best choice. **Always prioritize thorough inspection, restoration history, and financial readiness** before buying.
Cleaned, inspected. Processing time for shipping is one day. Oversize items ; Engines, Bumpers, transmissions, body panels are two day processing. A good replacement for a bad one.
1990 1998 R129 Hard Top rear Quarter Glass Weather Seal RH OEM This is out of a 1996 500SL. Do not purchase electronic parts for the purpose of testing. Direct replacement. Mounts as it should.
And only if the item is non-functional or differs from identification. Ask any questions prior to purchase verify the fit for your application. Very good wood. This is our pledge to every customer.