MERCEDES 447-740-06-35 Lock Actuator Metris Wrnty 643.MB1220 Benz 1YR

( Manufacturer Part Number: 447-740-06-35 ), ( Model: METRIS ), ( Part Type: Actuator Lock ), ( Conditions Options: Tailgate Lock Actuator ), ( Genuine Oem: Yes ), ( Ipn: 643.mb1220 ), ( Make: Mercedes-benz ), ( Descriptionpartcondition: 447 740 06 35 ), ( Manufacturer Warranty: 1 Year ), ( Partout Id: A-130251398 )

Review MERCEDES benz Lock Actuator Oem Metris 1yr Wrnty 447 35 fits 740 2006–2020

The **Mercedes-Benz 643.MB1220 Lock Actuator** is a precision-engineered component designed exclusively for the **2020 Mercedes-Benz Metris**, ensuring seamless and reliable operation of the vehicle s door locking mechanism. This high-performance actuator is part of Mercedes-Benz s advanced **keyless entry and push-button start system**, delivering smooth, silent engagement and disengagement of the door locks with minimal wear and tear. Crafted from durable, corrosion-resistant materials, the actuator is built to withstand the rigors of daily use while maintaining optimal functionality even in challenging environmental conditions. Its robust construction incorporates a **high-torque motor** and a **gear-driven mechanism**, allowing for precise control and consistent performance over an extended service life. The **1-year warranty** included with this part underscores Mercedes-Benz s commitment to quality, providing peace of mind for owners and installers alike. This actuator is a **direct-fit replacement**, ensuring compatibility with the **2020 Metris** without the need for modifications, and is essential for maintaining the vehicle s original security and convenience features. Whether used in a professional repair setting or for a DIY enthusiast, this component guarantees a **secure, quiet, and hassle-free locking experience**, aligning with the luxury and reliability expected from Mercedes-Benz engineering.

### **Pros and Cons of buying a Mercedes-Benz 643.MB1220 Lock Actuator (2020 Metris, 1-Year Warranty, Part #447 740 06 35)**

1. **OEM Quality and Compatibility** This is an original equipment (OEM) or high-quality aftermarket part designed specifically for the 2020 Mercedes-Benz Metris. It ensures a proper fit and reliable performance, reducing the risk of installation issues or premature failure.

2. **Warranty Coverage** The inclusion of a **1-year warranty** provides peace of mind. If the part fails due to manufacturing defects within the warranty period, you can return it for replacement or refund, depending on the seller s policy.

3. **Reliability and Durability** Mercedes-Benz lock actuators are known for durability, especially when sourced from reputable suppliers. A genuine or high-quality aftermarket part should last the expected lifespan of the vehicle s locking mechanism.

4. **Prevents Further Damage** If your current lock actuator is malfunctioning, replacing it promptly can prevent secondary issues, such as electrical problems, door misalignment, or even immobilizer failures.

5. **Easy Installation** Many lock actuators are designed for straightforward replacement, though some may require basic mechanical or electrical knowledge. The 2020 Metris has a relatively accessible door lock mechanism compared to some other Mercedes models.

6. **Supports Vehicle Functionality** A faulty lock actuator can render doors inoperable, either manually or electronically. Replacing it restores full functionality, including keyless entry, remote control, and manual override.

7. **Potential Cost Savings** While this part may not be the cheapest option, it could be more economical than dealing with long-term lock issues, repeated repairs, or towing costs if the actuator fails completely.

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1. **Higher Upfront Cost** Compared to generic or lower-quality aftermarket parts, an OEM or high-quality lock actuator will likely be more expensive. Pricing can vary based on the seller, but expect to pay **$100 $300 ** depending on whether it s new or refurbished.

2. **Potential Counterfeit or Low-Quality Parts** If purchasing from an unverified seller (e.g., untrusted online marketplaces or discount dealers), there s a risk of receiving a **counterfeit or substandard part**. Always buy from authorized dealers, Mercedes-Benz service centers, or reputable aftermarket suppliers (e.g., RockAuto, MOPAR, or local Mercedes specialists).

3. **Installation Challenges** While the part itself may be easy to replace, some Metris models have **tight door panels or wiring harnesses** that can make installation difficult for inexperienced DIYers. Improper installation could lead to **electrical shorts, misalignment, or premature wear**.

- **Labor** (if not doing it yourself).

- **Diagnostic fees** (if the issue isn t immediately clear).

- **Replacement of related components** (e.g., wiring harnesses, sensors, or door seals if damaged during removal).

5. **Warranty Limitations** The **1-year warranty** may not cover labor or indirect damages (e.g., if the new actuator fails due to a pre-existing electrical issue in the vehicle). Always check the seller s warranty terms.

6. **Availability and Lead Times** Depending on the supplier, stock levels may vary. Some parts, especially OEM, can have **longer lead times**, delaying repairs.

7. **Risk of Recurring Issues** If the original failure was due to **underlying electrical problems, corrosion, or poor maintenance**, replacing just the actuator may not be a permanent fix. A full diagnostic check is recommended before purchase.

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### **Conclusion**

Buying the **Mercedes-Benz 643.MB1220 lock actuator (2020 Metris, 1-year warranty, part #447 740 06 35)** is a **practical and reliable solution** for restoring proper door lock function in your vehicle. The **OEM quality, warranty coverage, and compatibility** make it a strong choice, especially if you want to avoid long-term issues.

However, the **higher cost, potential installation challenges, and risk of counterfeit parts** mean you should **verify the seller s reputation, ensure proper diagnostics before purchase, and consider professional installation** if unsure.

If you re **experienced with automotive repairs**, buying and installing it yourself could save money. If not, **weighing the cost of labor against the warranty value** is important.

- **Buy from an authorized dealer, Mercedes-Benz service center, or a trusted aftermarket supplier** (e.g., RockAuto, Amazon (with verified seller), or local Mercedes specialists).

- **Get a full diagnostic check** before purchasing to confirm the actuator is the root cause of the issue.

- **Consider professional installation** if you lack mechanical experience, especially if the door panels or wiring are complex.

- **Keep receipts and warranty information** in case of defects.

- **If on a tight budget**, explore **genuine aftermarket alternatives** (e.g., Dorman, Bosch) that may offer similar quality at a lower cost, though always prioritize **reputable brands**.

**Final Verdict:** This is a **solid, high-quality part** worth the investment if you need a reliable fix for your Metris lock actuator. Just ensure you re getting it from a **trusted source** and address any underlying issues to prevent future problems.

Details:

Warranty HASSLE-FREE 1 YEAR WARRANTY: All parts are warrantied for a period of 12 months or year from the purchase date. Easy to find parts that don't require a mechanics knowledge. Very happy customer, excellent value and service. If something is wrong with an order, we certainly do want to help you.

Image shown may be the vehicle from which part was pulled, or a generic image representing typical stock, rather than unique item being sold. LOCK ACTUATOR OEM 2020 MERCEDES-BENZ METRIS 1YR WRNTY 447 740 06 35: TAILGATE 35 ; FROM 2016 2023 2.0L Included: Hassle-free 1 Year Warranty Our Part #: 10157838. Model: METRIS. More Parts: 1 Year Warranty.

Please compare part numbers BEFORE purchasing. Free shipping only applies to items you keep. Shipping Damage:: Damages and evidence of tampering on the outer packaging must be noted delivery receipt by driver. Please disregard other fitment charts they may not be correct.

Quality, Assured Parts All are Quality Tested Inspected.

specifications carlockiio:

• for makes: Mercedes
• for years: 2006-2020
• mpn: 447-740-06-35
• model: Metris
• part type: Actuator Lock
• conditions options: Tailgate Lock Actuator
• genuine oem: Yes
• ipn: 643.mb1220
• make: Mercedes-benz
• descriptionpartcondition: 447 740 06 35
• manufacturer warranty: 1 Year
• partout id: A-130251398

general carlockiio:

• condition: Used
• Car Truck Parts Accessories > Exterior Parts Accessories > Exterior Locks Lock Hardware

shipping carlockiio:

• type: Fixed
• service: Flat Rate Freight
• cost: $20.00
• class: Freight

payments carlockiio:

• other
• wallet: Apple-pay
• credit card: Diners-club

offer carlockiio:

• best offers: True
• started: May 29, 2026
• options: Ship-to-home
• quantity: 1
• sold: 0
• availability: In Stock

seller carlockiio:

• # reviews: 23661
• rating: 97.4%
• city: Rancho Cordova, California

returns carlockiio:

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

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