fits make: Mercedes. year: 2008–2011.

( Brand: Mercedes-benz; Oem; Factory; Original; Genuine ), ( Manufacturer Part Number: A20473503/04 ), ( Part Type: Window ), ( Color: Black ), ( Modified Item: No ), ( Placement On Vehicle: Left, Rear ), ( Country Of Origin: Germany ), ( Features: Easy Installation )
The **Mercedes-Benz A20473503/04 Velvet Rear Left LH Window Weatherstrip** is a meticulously engineered, high-performance sealing component designed exclusively for the luxury and precision of Mercedes-Benz vehicles from the model years 2008 to 2011. Crafted from premium **velvet-textured rubber compound**, this weatherstrip is engineered to provide an optimal balance of durability, flexibility, and water resistance, ensuring a tight, leak-free seal between the rear window and the vehicle s body frame. Its unique **velvet finish** not only enhances the aesthetic appeal of the vehicle by complementing the sleek, premium look of the Mercedes-Benz design language but also reduces the risk of condensation buildup and moisture intrusion, which can lead to mold, rust, or structural damage over time. The weatherstrip features a **reinforced, high-tensile rubber core** that maintains its shape and elasticity even under varying temperature extremes, from the intense heat of a summer drive to the cold snap of winter, preventing premature wear and ensuring long-term functionality. Its **precision-molded design** guarantees a perfect fit within the vehicle s rear window channel, eliminating drafts, road noise, and water seepage while contributing to the cabin s overall comfort and insulation. Whether installed on a **C-Class, E-Class, or GL-Class sedan**, this weatherstrip upholds the brand s reputation for engineering excellence, delivering both form and function with uncompromising quality. For owners seeking to preserve the integrity of their Mercedes-Benz s interior and exterior, this weatherstrip is an essential upgrade that combines performance with the refined elegance synonymous with the brand.
### **Pros and Cons of buying a Mercedes-Benz A20473503/04 (2008 2011) Rear Left LH Window Weatherstrip (Velvet)**
#### **Pros:**1. **OEM Quality** This part is an original equipment manufacturer (OEM) component, meaning it meets Mercedes-Benz s strict standards for fit, function, and durability. It should integrate seamlessly with the vehicle s existing systems.
2. **Reliability** Weatherstrips are critical for preventing water, dust, and wind infiltration, which can lead to rust, electrical issues, or interior damage. A high-quality strip ensures long-term protection for the window mechanism and door seals.
3. **Compatibility** The part is specifically designed for the 2008 2011 models of the relevant Mercedes-Benz vehicles (likely the C-Class, E-Class, or GL-Class, depending on the exact trim). This reduces the risk of sizing or fitment issues.
4. **Aesthetic Consistency** The "velvet" finish suggests a softer, more premium material compared to standard rubber or plastic strips. This can improve the vehicle s appearance and feel, especially if the original strip was worn or degraded.
5. **Prevents Further Damage** A failing weatherstrip can lead to water seeping into the door, damaging wiring harnesses, causing rust, or even affecting the window regulator. Replacing it proactively can save money on more extensive repairs later.
6. **Ease of Installation** While some Mercedes-Benz weatherstrips can be tricky to install due to precise alignment, this part is designed to be straightforward for a mechanic or even a skilled DIYer with the right tools (e.g., pry tools, adhesive, and a torque wrench).
7. **Warranty Coverage** If purchased from an authorized dealer or a reputable supplier, the part may come with a warranty, providing peace of mind against defects.
---
#### **Cons:**1. **Cost** OEM parts are typically more expensive than aftermarket alternatives. The price may be higher than generic weatherstrips, which could offer similar functionality at a lower cost.
2. **Limited Availability** Depending on the region, finding this exact part (especially for older models) may require ordering from a specialty supplier or an authorized Mercedes-Benz parts distributor, which could involve shipping delays.
3. **Installation Complexity** Some Mercedes-Benz weatherstrips require precise alignment and may need to be trimmed or adjusted to fit perfectly. Improper installation can lead to gaps, leaks, or even damage to the door panel.
4. **Potential for Counterfeit Parts** If purchasing from an untrusted seller (e.g., eBay, Craigslist, or unlicensed online marketplaces), there s a risk of receiving a knockoff part that doesn t meet OEM standards. Always verify the seller s authenticity.
5. **Maintenance Overhead** While the strip itself is durable, it may still require occasional cleaning or replacement of the adhesive backing if it degrades over time due to exposure to UV, moisture, or chemicals.
6. **Time-Consuming Replacement** Removing the old strip and installing the new one may require disassembling parts of the door panel, which can be labor-intensive, especially for those without mechanical experience.
7. **Alternative Solutions Exist** For budget-conscious buyers, aftermarket weatherstrips (e.g., from brands like **Duralast, Flex-A-Lite, or Rain-X**) can offer comparable performance at a fraction of the cost. However, these may not last as long or fit as perfectly as an OEM part.
---
### **Conclusion:**Buying the **Mercedes-Benz A20473503/04 (2008 2011) rear left LH window weatherstrip (velvet)** is a solid choice if you prioritize **long-term reliability, OEM quality, and seamless integration** with your vehicle. The part is essential for maintaining the vehicle s integrity, preventing water damage, and preserving the aesthetic appeal of the door. However, the **higher cost and potential installation challenges** must be weighed against the benefits.
If you re on a tight budget or willing to compromise slightly on longevity, an **aftermarket weatherstrip** could be a cost-effective alternative. However, for owners who demand the best fit and performance especially for high-value or classic Mercedes-Benz models the OEM part is the safest and most durable option.
---
### **Recommendation:**- **Buy from an authorized Mercedes-Benz dealer or a trusted OEM parts supplier** (e.g., **Mercedes-Benz Parts Online, RockAuto, or local dealership service departments**) to ensure authenticity and warranty coverage.
- **Consider professional installation** if you re unsure about the process, as improper handling can void warranties or cause further damage.
- **Compare prices** with aftermarket options (e.g., **Flex-A-Lite or Rain-X**) if cost is a major concern, but be prepared for potential fitment or durability trade-offs.
- **Inspect the old strip** before purchasing to confirm it s the exact part needed some models may have slight variations in weatherstrip designs.
- **Clean and prepare the door panel** thoroughly before installation to ensure the new strip adheres properly and lasts longer.
**Final Verdict:** If you value **long-term reliability, OEM quality, and the best possible fit**, the **A20473503/04 weatherstrip is a worthwhile investment**. For those seeking a balance between cost and performance, an aftermarket alternative may suffice but always prioritize quality to avoid future issues.