MERCEDES A1237400935 Liftgate Tailgate Hatch Lock Benz 123-740-09-35

( Manufacturer Part Number: A1237400935 ), ( Type: Hatch ), ( Customs: No Customs Fee For Usa Buyers ), ( Country Of Origin: Germany )

Review MERCEDES benz Liftgate Tailgate Hatch Lock fits W123

The **Mercedes-Benz A-Class (W123) Liftgate Tailgate Hatch Lock Assembly (Part Number: A1237400935)** is a precision-engineered component designed exclusively for the iconic 1975 1985 Mercedes-Benz W123 series, ensuring seamless operation of the rear hatch mechanism. This high-quality, OEM-specification lock is crafted to maintain the original functionality and aesthetic integrity of the vehicle s tailgate system, which was a defining feature of the W123 s practical yet refined design. Built with durable materials, including robust metal housings and weather-resistant seals, this lock is engineered to withstand years of use while resisting corrosion, moisture, and wear critical factors for vehicles exposed to varying environmental conditions. The assembly integrates smoothly with the liftgate s latching mechanism, providing a secure yet smooth opening and closing motion, a hallmark of Mercedes-Benz engineering. Whether used for restoration projects or as a direct replacement for a worn-out original part, this lock ensures reliable performance, reinforcing the W123 s reputation for durability and craftsmanship. Its compatibility with the W123 s unique tailgate design featuring the distinctive "Mercedes-Benz" badge and clean, angular lines makes it an essential component for maintaining both form and function in this legendary model.

### **Pros and Cons of buying a Mercedes-Benz A1237400935 (W123 Liftgate Tailgate Hatch Lock Part Number 123-740-09-35)**

#### **Pros**

1. **Authentic Mercedes-Benz Fit and Function** This part is designed specifically for the W123 series (1975 1985), ensuring a perfect fit for liftgate, tailgate, and hatch mechanisms. It maintains the vehicle s original functionality and aesthetic.

2. **Reliability and Durability** Mercedes-Benz parts are known for their high-quality materials and engineering. This lock mechanism is built to last, reducing the risk of premature failure compared to aftermarket knockoffs.

3. **Compatibility with Original Systems** Unlike generic or third-party locks, this part integrates seamlessly with the W123 s electrical and mechanical systems, minimizing the need for additional modifications.

4. **Resale Value Preservation** Installing an OEM (Original Equipment Manufacturer) part helps maintain the vehicle s value, especially if you plan to sell or trade it in later. Potential buyers prefer cars with original or high-quality replacement components.

5. **Warranty Coverage (If Purchased New)** If buying directly from an authorized dealer or a reputable supplier, this part may come with a warranty, providing peace of mind against defects.

6. **Avoids Common Aftermarket Issues** Cheap aftermarket locks may fail prematurely, stick, or misalign. An OEM part reduces the likelihood of such problems, saving time and money on repeated replacements.

7. **Enhances Security** The original lock mechanism is designed to meet Mercedes-Benz s security standards, offering better resistance to tampering compared to some budget alternatives.

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#### **Cons**

1. **Higher Cost Compared to Aftermarket** OEM parts are significantly more expensive than generic or third-party replacements. This can be a barrier for budget-conscious buyers, especially if the vehicle is older and parts are already worn.

2. **Potential for Counterfeit Parts** If purchasing from an untrusted seller (e.g., eBay, Facebook Marketplace, or unscrupulous online stores), there s a risk of receiving a fake or low-quality part. Always verify the seller s reputation and part authenticity.

3. **Limited Availability** As the W123 is no longer in production, finding new OEM parts can be difficult. You may need to source from salvage yards, junkyards, or specialized Mercedes-Benz part suppliers, which could extend lead times.

4. **Installation Complexity** While not always difficult, replacing a liftgate lock on a W123 may require some mechanical skill, especially if the surrounding components (e.g., hinges, cables) are also worn. Professional installation may be necessary, adding to the cost.

5. **Weight Consideration** Original Mercedes-Benz parts are heavier than some aftermarket alternatives. If you re concerned about the liftgate s ease of use (e.g., for older drivers), this could be a minor drawback.

6. **Electrical Compatibility Risks** If the vehicle s wiring or lock actuator is degraded, the new part may not function correctly unless the entire system is addressed. A diagnostic check may be needed before installation.

7. **Environmental and Ethical Concerns** Purchasing a new OEM part means extracting more resources, which some buyers prefer to avoid. Salvage or refurbished parts may be a more sustainable alternative.

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### **Conclusion**

The **Mercedes-Benz A1237400935 (W123 liftgate tailgate hatch lock)** is a high-quality, reliable replacement part that ensures proper function and maintains the vehicle s integrity. It is ideal for owners who prioritize authenticity, long-term reliability, and resale value. However, the higher cost and potential availability issues make it less suitable for those on a tight budget or those who can easily source a well-tested aftermarket alternative.

If you value **original equipment performance, security, and build quality**, this part is a strong recommendation. If you re working with a limited budget or need a quick fix, consider **verified aftermarket options** (e.g., from reputable suppliers like **MOPAR, Dorman, or specialized Mercedes-Benz part stores**) or **salvage parts** from a trusted source.

### **Recommendation**

- **Buy from an authorized Mercedes-Benz dealer or a well-reviewed specialist supplier** to ensure authenticity and warranty coverage.

- **Check the vehicle s surrounding components** (hinges, cables, actuator) before installation to avoid future issues.

- **Compare prices** from multiple sources, including salvage yards, to find the best balance between cost and quality.

- **If unsure about installation**, consult a Mercedes-Benz specialist or a mechanic experienced with W123 models.

For most serious W123 owners, the **OEM part is worth the investment** for its reliability and fit. However, always weigh the pros and cons against your specific needs and budget.

Details:

MERCEDES-BENZ W123 LIFTGATE TAILGATE HATCH LOCK A 123-740-09-35. Condition is Used. Shipped with USPS Ground Advantage.

part #: a1237400935 prices

• $80.00-$150.19

specifications trunklipa:

• for models: W123
• for makes: Mercedes
• mpn: A1237400935
• type: Hatch
• customs: No Customs Fee For Usa Buyers
• country of origin: Germany

seller trunklipa:

• city: Indian Trail, North Carolina
• # reviews: 1178
• rating: 100.0%

payments trunklipa:

• cash
• credit card: Diners-club
• wallet: Google-pay
• other

general trunklipa:

• Exterior Parts Accessories > doors, Trunk Lids Hatches > Hatches Trunk Lids
• condition: Used

returns trunklipa:

• time: 60 Days
• paid by: Seller
• policy: Returns Accepted

offer trunklipa:

• availability: In Stock
• started: February 26, 2026
• quantity: 1
• options: Ship-to-home
• sold: 0
• best offers: True

shipping trunklipa:

• transit: 6-12 Days
• type: Fixed
• service: USPS Ground Advantage
• cost: $0.00
• class: Standard
• carrier: USPS

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