MERCEDES A4477303102 Metris Rear Left Door Latch Lock Benz W447 A4477308601

( Manufacturer Part Number: A4477303102 ), ( Listed: Uv86 ), ( Location: Nwak3c4 ), ( Type: Door Lock ), ( Placement On Vehicle: Rear, Left ), ( Oe/oem Part Number: A4477303102 / 4477303102 / 447 730 31 02, A4477603500 / 4477603500 / 447 760 35 00, A4477308601 / 4477308601 / 447 730 86 01 )

Review MERCEDES benz Metris Rear Left Door Latch Lock Oem fits 2016–2023

The **Mercedes-Benz A4477303102 (2016 2023) Metris W447 Rear Left Door Latch Lock Assembly (A4477308601)** is a precision-engineered component essential for the secure and seamless operation of the rear left door mechanism on select Mercedes-Benz commercial and luxury vehicles within the W447 Metris platform. Designed to meet the stringent quality standards of the Mercedes-Benz brand, this latch lock assembly combines robust construction with advanced functionality to ensure reliable performance in both urban and off-road environments. The component features a durable, corrosion-resistant housing crafted from high-grade materials, engineered to withstand the rigors of daily use while maintaining smooth operation even under varying weather conditions. Its integrated locking mechanism is designed to provide a secure seal, preventing unauthorized access while allowing for effortless manual or electronic activation via the vehicle s central locking system. The latch incorporates a robust spring-loaded latch bolt that engages with the door frame, ensuring a tight and consistent seal to minimize noise, drafts, and potential security vulnerabilities. For enhanced convenience, this assembly is compatible with the vehicle s keyless entry and push-button start systems, allowing for seamless integration with the Metris advanced driver-assistance and connectivity features. The A4477308601 is a direct-fit replacement part, meticulously calibrated to match the original equipment specifications of the 2016 2023 W447 Metris models, ensuring compatibility with the vehicle s electrical and mechanical systems without the need for modifications. Whether used in a commercial delivery van, a luxury executive vehicle, or a specialized service platform, this latch lock assembly exemplifies Mercedes-Benz s commitment to durability, precision, and driver-centric design, delivering both functionality and a refined user experience.

### **Pros and Cons of buying a Mercedes-Benz A4477303102 (2016 2023 Metris W447 Rear Left Door Latch Lock) and A4477308601**

#### **Overview**

The **A4477303102** and **A4477308601** are part of the **Mercedes-Benz W447 (Metris) door latch and lock assembly**, specifically for the **rear left door**. These components are critical for security, functionality, and reliability. Below is a detailed analysis of their pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **OEM Quality and Reliability**

- Mercedes-Benz parts are engineered to meet strict manufacturing standards, ensuring durability and long-term performance.

- The latch and lock mechanism is designed to withstand frequent use, reducing the risk of premature failure compared to aftermarket alternatives.

2. **Compatibility and Fit**

- These parts are **direct-fit replacements** for the **2016 2023 Mercedes-Benz Metris (W447)**, ensuring an exact match in terms of dimensions, mounting points, and functionality.

- No modifications are typically required for installation, making replacement straightforward for mechanics with experience in Mercedes vehicles.

3. **Enhanced Security**

- The latch and lock assembly includes **central locking integration**, ensuring seamless operation with the vehicle s keyless entry system.

- The design minimizes the risk of **jamming or misalignment**, which can occur with cheaper or counterfeit parts.

4. **Warranty and Support**

- Purchasing from an **authorized Mercedes-Benz dealer or reputable supplier** often includes a **limited warranty** (e.g., 12 24 months), providing peace of mind against defects.

- Access to **Mercedes-Benz technical support** can assist with installation or troubleshooting if issues arise.

5. **Resale Value and Brand Prestige**

- Using genuine Mercedes parts helps maintain the vehicle s **resale value** and ensures it remains in optimal condition.

- The reputation of Mercedes-Benz parts means they are less likely to fail catastrophically compared to lower-quality alternatives.

6. **Ease of Installation (for Skilled Mechanics)**

- While installation requires **mechanical skill and access to proper tools**, the design is straightforward for professionals familiar with Mercedes door latch systems.

- Many mechanics report that these parts **bolt-on directly**, reducing labor time compared to complex rebuilds.

---

### **Cons**

1. **High Cost**

- Genuine Mercedes-Benz parts are **significantly more expensive** than aftermarket or generic replacements.

- The **A4477303102 (latch lock)** and **A4477308601 (door latch assembly)** can cost **$200 $400 each**, depending on the supplier and vehicle model year.

- For owners on a tight budget, this may be a **major upfront expense**, especially if both parts need replacement.

2. **Limited Availability Outside Dealerships**

- While these parts are available from **authorized dealers, Mercedes-Benz online stores, and specialty auto parts suppliers**, they may not be as widely stocked as generic parts.

- Some buyers report **longer lead times** compared to aftermarket options, which can be frustrating for urgent repairs.

3. **Potential for Counterfeit Parts**

- The high demand for Mercedes parts makes them a target for **counterfeit or low-quality fakes**, particularly when purchasing from **unverified third-party sellers**.

- Counterfeit parts may **fail prematurely, misalign, or not integrate properly** with the vehicle s electronics, leading to further damage.

4. **Installation Complexity**

- **Rust or corrosion** in older vehicles (common in the Metris, which sees heavy commercial use).

- **Electrical wiring and sensor connections** that must be carefully handled to avoid damage.

- DIY installation is **not recommended** unless the mechanic has experience with Mercedes door systems, as improper handling can void warranties or cause further issues.

5. **Potential for Additional Wear**

- If the **door frame, hinges, or window regulators** are worn, replacing just the latch/lock may not fully resolve **door misalignment or improper sealing**.

- A **comprehensive inspection** of the door assembly may be needed, adding to the overall cost.

6. **Depreciation and Market Fluctuations**

- Like all automotive parts, prices can **fluctuate due to supply chain issues, demand, or economic factors**.

- Buyers should **compare prices across multiple suppliers** to ensure they are getting the best deal without compromising quality.

---

### **Conclusion**

The **Mercedes-Benz A4477303102 (rear left door latch lock) and A4477308601 (door latch assembly)** are **high-quality, reliable components** that ensure proper functionality and security for the **W447 Metris**. Their **OEM status guarantees compatibility, durability, and integration with the vehicle s systems**, making them the **best choice for long-term reliability**.

However, the **high cost, potential for counterfeit parts, and installation complexity** make them a **less ideal option for budget-conscious buyers or those without mechanical expertise**. If purchasing, it is **critical to buy from a trusted supplier** (preferably an authorized dealer) and ensure professional installation to avoid future issues.

For owners who **prioritize reliability and resale value**, these parts are **worth the investment**. For those on a tight budget, **aftermarket alternatives (from reputable brands like Dorman, Bosch, or OE-quality suppliers)** may offer a **cost-effective compromise**, though with slightly reduced longevity guarantees.

---

### **Recommendation**

- **Purchase from an authorized Mercedes-Benz dealer or a trusted online supplier** (e.g., **Mercedes-Benz Parts Store, Amazon (verified seller), or RockAuto**).

- **Have a professional mechanic** with Mercedes experience install the parts to ensure proper alignment and electrical connection.

- **Inspect the door frame and hinges** simultaneously to prevent future misalignment issues.

- **Compare aftermarket options** (e.g., **Dorman 5000 Series, Bosch, or OE-quality parts from suppliers like eBay (with high ratings)**).

- **Check for bundled deals** where the latch and lock are sold together at a discount.

- **Consider a used/refurbished part** from a **reputable salvage yard** (if the part is in good condition).

- **Always verify the part numbers** before purchasing to avoid receiving the wrong component.

- **Request a warranty** (even if limited) to protect against defects.

- **Document the installation process** in case of future issues with warranty claims.

**Final Verdict:** For **maximum reliability and longevity**, the **genuine Mercedes-Benz parts (A4477303102 & A4477308601) are the best choice**, but buyers must weigh the **cost against their budget and mechanical capabilities**. For most **commercial Metris owners**, the investment is justified by the **reduced risk of failure and improved vehicle functionality**.

Details:

2016 - 2023 MERCEDES METRIS W447 REAR LEFT DOOR LATCH LOCK OEM A Menu. Items are sold in good, working condition and have been inspected prior to listing. Are final sale. Pulsate Template v6-3-24 Exterior Locks Lock Hardware.

60-day return period begins on the day part is delivered. This MUST be specified AT TIME OF PURCHASE. High quality pictures are provided for each item so you can see its exact condition. Locations without a dock or forklift will incur lift gate fee.

Shipping charges are based on delivery zip code and apply to the lower 48 states. All listed parts have already been removed from donor vehicles and are on the shelf ready to be shipped. Orders are shipped via USPS, UPS, or FedEx.

part #: a4477303102 prices

• $138.26-$232.40

specifications carlockiio:

• for makes: Mercedes
• for years: 2016-2023
• mpn: A4477303102
• listed: Uv86
• location: Nwak3c4
• type: Door Lock
• placement on vehicle: Rear, Left
• oe/oem part number: A4477303102 / 4477303102 / 447 730 31 02, A4477603500 / 4477603500 / 447 760 35 00, A4477308601 / 4477308601 / 447 730 86 01

payments carlockiio:

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

returns carlockiio:

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

general carlockiio:

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

shipping carlockiio:

• cost: $0.00
• service: Standard
• transit: 3-5 Days
• class: Standard
• type: Fixed

seller carlockiio:

• # reviews: 78794
• city: Nicholasville, Kentucky
• rating: 100.0%

offer carlockiio:

• options: Ship-to-home
• quantity: 1
• best offers: True
• availability: In Stock
• sold: 0
• started: April 11, 2026

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