fits make: Mercedes. year: 2016–2023.

( Manufacturer Part Number: 447-740-19-00 ), ( Model: METRIS ), ( Part Type: Actuator Lock ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Make: Mercedes-benz ), ( Year: 2016 2017 2018 2019 2020 2021 2022 2023 ), ( Parts Included: Only Part Reference 6 On The Diagram Is Included ), ( Replaces Part Number: 4477400135 )
The **Mercedes-Benz 447-740-19-00 Lock Actuator** is a precision-engineered component designed exclusively for the advanced door lock mechanism of select Mercedes-Benz models, ensuring seamless operation and enhanced security. This high-quality actuator is a critical part of the vehicle s electronic door locking system, responsible for engaging and disengaging the door locks with smooth, reliable performance. Crafted from durable materials, it is engineered to withstand the rigors of daily use while maintaining optimal functionality, even under varying environmental conditions. The actuator operates in tandem with the vehicle s central locking system, providing both manual and remote control capabilities, including keyless entry and push-button start compatibility. Its robust construction minimizes wear and tear, reducing the likelihood of mechanical failure and ensuring long-term reliability. Whether installed in luxury sedans, SUVs, or executive coupes, this actuator delivers the precision and responsiveness expected from Mercedes-Benz engineering, contributing to a refined driving experience. For owners seeking to restore or upgrade their vehicle s locking system, this part represents a direct fit solution, combining performance with the brand s signature attention to detail.
**Pros and Cons of buying a Mercedes-Benz Part Number 447-740-19-00 (Lock Actuator)**
### **Pros:**1. **Direct Compatibility** This part is an original equipment manufacturer (OEM) component, meaning it is designed specifically for your Mercedes-Benz model. It should fit without modifications and maintain the vehicle s intended performance and safety standards.
2. **Reliability** OEM parts are built to the same high-quality standards as those installed by Mercedes-Benz during manufacturing. This reduces the risk of premature failure or compatibility issues compared to aftermarket 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 early wear.
4. **Long-Term Durability** OEM components are engineered for longevity, which can save you money in the long run by avoiding repeated replacements or related failures (e.g., electrical or mechanical issues caused by inferior parts).
5. **Ease of Installation** Since it is the genuine part, installation should be straightforward, especially if you have mechanical experience or access to professional help. No additional adapters or modifications are typically required.
6. **Resale Value** Keeping your vehicle stock with OEM parts can help maintain its resale value, as buyers often prefer vehicles with original components.
---
### **Cons:**1. **Higher Cost** OEM parts are significantly more expensive than aftermarket alternatives. The price of this lock actuator may be 2 3 times higher than a comparable aftermarket part, increasing repair costs.
2. **Limited Availability** Depending on your location, finding this specific part may require ordering from an authorized dealer or an online marketplace, which could involve shipping delays.
3. **Potential Overkill** If the lock actuator failure is minor (e.g., a minor electrical issue or wear), replacing it with a new OEM part may be excessive. In some cases, a refurbished or remanufactured part could suffice at a lower cost.
4. **Time-Consuming Replacement** Removing and replacing a lock actuator often requires disassembling parts of the door or door panel, which can be labor-intensive, especially for DIYers without the right tools.
5. **Dealer Markup** Purchasing from a dealership may include additional fees or markups, making the cost even higher than necessary. Independent suppliers or online retailers (with verified reviews) may offer better pricing.
---
### **Conclusion and Recommendation:**The **Mercedes-Benz 447-740-19-00 lock actuator** is a high-quality, reliable choice if you prioritize compatibility, longevity, and maintaining your vehicle s integrity. It is ideal for owners who want to avoid potential issues with aftermarket parts or who are unsure about the long-term performance of cheaper alternatives. However, the **higher cost and potential overkill for minor issues** make it less attractive for budget-conscious buyers or those seeking a quick, low-cost fix.
**Recommendation:**- **If budget is not a concern** and you want the best fit and longevity, **purchase the OEM part** from an authorized dealer or a trusted online supplier (e.g., RockAuto, Mopar, or a Mercedes-Benz parts specialist). Ensure the seller offers a warranty.
- **If cost is a priority**, consider a **high-quality aftermarket alternative** (e.g., from brands like ACDelco, Dorman, or Bosch) that is specifically listed as compatible with your model. Verify reviews and compatibility before purchasing.
- **If the issue is minor** (e.g., a sticking mechanism rather than a full failure), explore **refurbished or remanufactured OEM parts**, which may offer a middle ground between cost and reliability.
- **For DIYers**, weigh the complexity of the installation if it requires specialized tools or expertise, factor in labor costs or consider professional help.
Ultimately, the **OEM part is the safest choice** for long-term reliability, while aftermarket options can provide a cost-effective alternative if thoroughly researched. Always prioritize quality over price when dealing with critical components like lock actuators.
Parts must be resalable and in the original packaging. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Electrical parts are not returnable.