1. Roof Racks & Cross Bars Offers
  2. sku: 27707017599995762
  3. MERCEDES 140-780-11-12

MERCEDES Sliding Roof Lh Mount Benz BRACE-140-780-11-12

fits model: 500sec, S500. make: Mercedes.

Brace-140-780-11-12 Mercedes-benz 140-780-11-12 Sliding Roof Lh Mount -for 500sec S500 And More

( Manufacturer Part Number: 140-780-11-12 ), ( Type: Mount Brace ), ( Color: Black ), ( Universal Fitment: No ), ( Country Of Origin: Germany ), ( California Prop 65 Warning: This Product Contains A Chemical Known To The State Of California To Cause Cancer And Reproductive Harm. )

Review MERCEDES benz Sliding Roof Lh Mount And More fits 500SEC S500

The **Mercedes-Benz 140-780-11-12 Sliding Roof LH Mount Brace** is a precision-engineered replacement part designed exclusively for the iconic **Mercedes-Benz 500 SEC (W124) and S500 (W124) models**, ensuring a seamless and secure fit for the vehicle s sliding glass roof mechanism. Crafted from high-grade, durable materials, this mount brace is built to withstand the rigors of daily use while maintaining the structural integrity and smooth operation of the convertible roof system. The part is meticulously manufactured to match the original equipment specifications, guaranteeing compatibility with the left-hand (LH) side of the sliding roof assembly, where it plays a critical role in supporting the roof s track and ensuring proper alignment during extension and retraction. Whether restoring a classic 500 SEC to its former glory or maintaining a well-loved S500, this brace is an essential component for preserving the functionality and reliability of the convertible feature, allowing owners to enjoy the open-air driving experience without compromise. Its robust construction and exact dimensional tolerances make it a trusted choice for both professional mechanics and enthusiasts seeking authentic performance and longevity.

### **Pros and Cons of buying a Mercedes-Benz 140-780-11-12 Sliding Roof LH Mount Brace for a 2005-2007 S500 (W220)**

#### **Pros:**

1. **Authentic Fit and Finish** This is an original Mercedes-Benz part, ensuring a precise fit and high-quality build that matches the vehicle s premium standards. Aftermarket parts may not align as perfectly, leading to potential gaps or misalignment.

2. **Reliability and Durability** Mercedes-Benz parts are designed to withstand the stresses of daily use, reducing the risk of premature failure compared to cheaper or lower-quality alternatives.

3. **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 or manufacturing issues.

4. **Compatibility with Original Systems** The sliding roof mechanism in the S500 is integrated with the vehicle s electrical and mechanical systems. An OEM part ensures seamless operation with the existing sensors, motors, and wiring.

5. **Resale Value** Using genuine parts can help maintain the vehicle s value, especially if you plan to sell or trade it in the future. Potential buyers often prefer cars with original components.

6. **Easier Installation** Since this is the exact part intended for the S500, installation should be straightforward, requiring minimal modifications. Aftermarket parts may need additional adjustments or customization.

7. **Long-Term Cost Savings** While the upfront cost is higher, an OEM part may last longer and reduce the likelihood of recurring issues that could arise from cheaper alternatives.

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#### **Cons:**

1. **High Cost** The price of $500 is significantly higher than many aftermarket alternatives, which can range from $100 to $300. This may be a substantial investment if the roof is not the primary issue.

2. **Limited Availability** OEM parts can sometimes be difficult to source, especially for older models like the W220 S500. You may need to order from a specialty supplier, which could delay repairs.

3. **Potential Overkill for Minor Issues** If the sliding roof is only experiencing minor problems (e.g., a loose bracket or a worn seal), replacing the entire mount brace may be unnecessary. A targeted repair or adjustment could suffice.

4. **Weight Considerations** The sliding roof is a heavy component, and replacing just the mount brace may not address underlying structural issues (e.g., sagging or misalignment of the roof frame). If the roof itself is damaged or worn, additional repairs may be needed.

5. **Labor Costs** Even with an OEM part, installation requires skilled labor, especially if the technician is unfamiliar with the W220 s roof mechanism. This could add to the total cost if you re not comfortable doing the work yourself.

6. **Alternative Solutions Exist** Some mechanics or owners have successfully repaired or reinforced sliding roof mounts with aftermarket brackets or modifications, offering a more budget-friendly approach without sacrificing performance.

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### **Conclusion:**

The **Mercedes-Benz 140-780-11-12 sliding roof LH mount brace** is a high-quality, reliable part that ensures proper fit and function for your S500. It is the best choice if you prioritize authenticity, long-term durability, and maintaining the vehicle s value. However, the cost is significantly higher than aftermarket options, and it may not be necessary if the issue is minor or easily fixable.

If your sliding roof is **fully functional but has a loose or worn mount**, this part is a solid investment. If the roof itself is **damaged, sagging, or causing electrical issues**, you may need to consider additional repairs or a full roof replacement, which could further increase costs.

For owners who want to **preserve their S500 s integrity** and avoid potential compatibility issues with aftermarket parts, the OEM brace is the recommended choice. However, if budget is a concern and the problem is isolated, exploring aftermarket alternatives or targeted repairs could be a more cost-effective solution.

### **Final Recommendation:** **Buy the 140-780-11-12 mount brace if:**

- You want an authentic, high-quality replacement.

- The sliding roof mechanism is otherwise in good condition.

- You re committed to maintaining the S500 s original specifications.

- You have the budget to invest in an OEM part.

**Consider alternatives if:**

- The issue is minor (e.g., a loose bracket) and can be fixed with a cheaper solution.

- You re open to aftermarket parts that offer similar performance at a lower cost.

- You re unsure whether the roof itself needs additional attention (e.g., seals, tracks, or electrical components).

For most owners, the **OEM part is the best long-term choice**, but weigh the cost against the severity of the problem before proceeding. If possible, consult a Mercedes specialist to assess whether this is the only repair needed.

Details:

This is not acceptable. Everyone pays the price for this. Please verify with your local dealer before purchasing. This has no negative effect on the parts or their performance.

Part Template Mercedes-Benz Sliding Roof LH Mount Brace-140-780-11-12 For 500SEC, S500 More. These parts are NOS which is New Part - Old Stock, They may have some minor blemishes and / or discoloration from long-term storage. Part numbers are from the actual packaging and may not have a make/ model reference. All costs have to be included in the delivered price.

specifications azcarracks:

  • for models: 500sec, S500
  • for makes: Mercedes
  • mpn: 140-780-11-12
  • type: Mount Brace
  • color: Black
  • universal fitment: No
  • country of origin: Germany
  • california prop 65 warning: This Product Contains A Chemical Known To The State Of California To Cause Cancer And Reproductive Harm.

general azcarracks:

  • Car Truck Parts Accessories > Racks Cargo Carriers > Roof Racks Cross Bars
  • condition: New other see details

offer azcarracks:

  • options: Ship-to-home
  • availability: In Stock
  • quantity: 1
  • started: March 10, 2026
  • sold: 0

shipping azcarracks:

  • service: USPS Ground Advantage, USPS Priority Mail
  • cost: $8.81
  • transit: 4-10 Days
  • class: Standard, Expedited
  • type: Calculated
  • carrier: USPS

returns azcarracks:

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

seller azcarracks:

  • rating: 99.9%
  • city: Bakersfield, California
  • # reviews: 2019

payments azcarracks:

  • other
  • credit card: Visa
  • wallet: Paypal
for models: 500sec, s500, for makes: mercedes, type: mount brace, universal fitment: no, country of origin: germany, california prop 65 warning: this product contains a chemical known to the state of california to cause cancer and reproductive harm.,
category: auto parts > car truck parts accessories > racks cargo carriers > roof racks cross bars, color: black, sku: 27707017599995762,
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