MERCEDES 1177250265 Front Right Window Weather Strip Belt Benz Seal

( Manufacturer Part Number: 1177250265 ), ( Color: Black ), ( Material: Rubber ), ( Item Length: Oem ), ( Vintage Part: No ), ( Placement On Vehicle: Front, Right ), ( Type: Window Seal ), ( Ipn: 14-19 ), ( Manufacturer Warranty: 3 Months ), ( Attachment Type: Clip-on ), ( Features: Easy Installation ), ( Finish: Matte ), ( Country Of Origin: Germany )

Review MERCEDES benz Front Right Side Window Weather Strip Belt Seal Black Oem fits CLA250 2014–2019

The **Mercedes-Benz 1177250265 front right window weather strip belt seal** for the **CLA-Class (2014 2019)** is a precision-engineered component designed to ensure optimal sealing, comfort, and durability for this iconic compact luxury sedan. This high-quality rubber and plastic composite seal is meticulously crafted to fit seamlessly within the window belt mechanism, preventing drafts, road noise, and water infiltration while maintaining a tight, secure closure between the glass and the door frame. Engineered with Mercedes-Benz s signature attention to detail, the seal features a robust yet flexible design that accommodates the precise movement of the power-operated window, reducing friction and wear over time. Its durable construction resists degradation from UV exposure, ozone, and environmental contaminants, ensuring long-term reliability even in varying weather conditions. The belt seal also incorporates strategic grooves and contours to enhance its grip on the window s edge, minimizing the risk of misalignment or premature failure a common issue in aftermarket replacements. Whether installed during routine maintenance or as part of a restoration project, this genuine OEM part upholds the CLA250 s signature blend of performance and refinement, delivering a smooth, quiet, and leak-free driving experience. For owners seeking the highest standard of fit and finish, this weather strip is an essential component that aligns with Mercedes-Benz s commitment to engineering excellence.

### **Pros and Cons of buying a Mercedes-Benz 1177250265 (CLA 250 Front Right Window Weather Strip Belt Seal, 2014 2019)**

1. **Direct Fitment** This part is designed specifically for the **Mercedes-Benz CLA-Class (2014 2019)** and the **right front window**, ensuring compatibility without modifications.

2. **Prevents Water Leakage** A worn or damaged weather strip can allow rain, snow, and debris to enter the cabin, leading to rust, mold, and electrical issues. Replacing it improves sealing and reduces moisture ingress.

3. **Prevents Window Belt Wear** The belt seal works in conjunction with the window regulator, reducing friction and preventing premature wear on the window mechanism.

4. **Easy Installation** Many aftermarket and OEM replacements are designed for straightforward installation, often requiring only basic tools (screwdriver, pry tool, etc.).

5. **Cost-Effective Alternative** Compared to replacing the entire window regulator or window glass, this part is relatively inexpensive, making it a practical repair option.

6. **Improves Cabin Comfort** A properly sealed window reduces drafts, noise, and condensation, enhancing passenger comfort.

7. **Prevents Long-Term Damage** Ignoring a failing weather strip can lead to more expensive repairs, such as rusted window tracks, damaged window regulators, or electrical shorts from water intrusion.

1. **Potential Quality Variations** Some aftermarket replacements may not match the **durability and precision** of an **OEM (Original Equipment Manufacturer) part**, leading to premature failure.

2. **Installation Challenges** If the window belt or surrounding components are severely damaged, removing the old seal may be difficult, requiring patience and careful handling.

3. **Misalignment Risk** Improper installation can cause the new seal to **not sit flush**, leading to air gaps and continued water leakage.

4. **Limited Availability of OEM Parts** While aftermarket options are widely available, **genuine OEM seals** may be harder to source and more expensive.

5. **Window Belt Wear** If the **window belt itself is degraded**, replacing just the seal may not fully resolve the issue, and the belt may need replacement as well.

6. **Time-Consuming for DIYers** Those unfamiliar with automotive repairs may find the process **frustrating or time-consuming**, especially if the window is stuck or the belt is stiff.

7. **Counterfeit Risks** Purchasing from **unverified sellers** (especially online marketplaces) increases the chance of receiving a **low-quality or fake part**.

---

### **Conclusion**

Replacing the **Mercedes-Benz CLA 250 front right window weather strip belt seal (1177250265)** is a **practical and cost-effective solution** for preventing water leaks, improving window function, and maintaining cabin integrity. The benefits such as **reduced moisture damage, better sealing, and long-term cost savings** outweigh the minor drawbacks, provided the part is **properly sourced and installed**.

However, if the **window belt or regulator is already worn**, addressing those issues simultaneously may be necessary for a **complete fix**. Additionally, **choosing a reputable seller** (preferably an **OEM or high-quality aftermarket supplier**) ensures longevity and reliability.

---

### **Recommendation**

1. **Source the Part Carefully**

- **OEM (Best Option):** Purchase directly from **Mercedes-Benz or an authorized dealer** for guaranteed fit and quality.

- **Aftermarket (Budget-Friendly):** Opt for **reputable brands** like **Dorman, Fel-Pro, or ACDelco**, which offer reliable alternatives.

- **Avoid:** Cheap, unknown brands from unverified sellers, as they may fail quickly.

2. **Prepare for Installation**

- Gather the necessary tools: **screwdriver, pry tool, lubricant (WD-40 or silicone spray), and a helper** if the window is heavy.

- Ensure the **window moves smoothly** before installation if the belt is stiff, consider lubricating it or replacing it as well.

3. **Follow Proper Installation Steps**

- Carefully remove the **old seal** without damaging the surrounding plastic or window tracks.

- Clean the area to remove dirt or adhesive residue.

- Install the **new seal evenly**, ensuring it aligns perfectly with the window frame.

- Test the window movement to confirm the seal doesn t interfere.

4. **Consider Professional Help if Needed**

- If the window **doesn t move smoothly** or the belt is **severely damaged**, consult a **Mercedes-Benz specialist** to avoid further complications.

5. **Maintain Regularly**

- Periodically check the **weather strips and window belts** for wear, especially after exposure to **rain, snow, or extreme temperatures**.

**Final Verdict:** **Worth the repair** if done correctly, as it prevents **costly long-term damage** and keeps the vehicle in good condition. **Prioritize quality over price** to ensure a lasting fix.

Details:

As a result of it being used part, the item may show light scuffs, scratches, or other imperfections. Fitment and Compatibility. Shipping prices for ground apply only to the continental states of USA. Please match part number to ensure fitment.

All of the parts are tested either before or after removal from vehicle. This part may fit one or all of the described vehicles.

part #: 1177250265 prices

• $24.00-$30.00

specifications vintagwinde:

• for models: Cla250
• for makes: Mercedes
• for years: 2014-2019
• mpn: 1177250265
• color: Black
• material: Rubber
• item length: Oem
• vintage part: No
• placement on vehicle: Front, Right
• type: Window Seal
• ipn: 14-19
• manufacturer warranty: 3 Months
• attachment type: Clip-on
• features: Easy Installation
• finish: Matte
• country of origin: Germany

returns vintagwinde:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

shipping vintagwinde:

• carrier: USPS
• type: Fixed
• class: Expedited
• transit: 3-7 Days
• cost: $25.00
• service: USPS Priority Mail

payments vintagwinde:

• other
• wallet: Apple-pay
• credit card: Visa

offer vintagwinde:

• best offers: True
• started: April 28, 2026
• availability: In Stock
• sold: 0
• quantity: 1
• options: Ship-to-home

general vintagwinde:

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

seller vintagwinde:

• rating: 99.7%
• # reviews: 1473
• city: Yuba City, California

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