MERCEDES 099-730-85-00 Door Lock Benz

( Manufacturer Part Number: 099-730-85-00 ), ( Model: 43 53 63 63 CLS450 ), ( Part Type: Door Lock ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Make: Mercedes-benz ), ( Year: 2019 2020 2021 2022 2023 ), ( Parts Included: Only Part Reference 10 On The Diagram Is Included )

Review MERCEDES benz Genuine Door Lock fits CLS450 2019–2023

The **Mercedes-Benz 099-730-85-00** is a high-performance, precision-engineered door lock assembly designed exclusively for select models within the Mercedes-Benz W205 (C-Class) and W212 (E-Class) generations, specifically tailored for vehicles equipped with the **ME-Vanox** or **ME-Vanox II** door lock mechanisms. This component represents the pinnacle of automotive engineering, combining robust construction with seamless integration into the vehicle s electrical and mechanical systems. Crafted from durable, corrosion-resistant materials, including high-grade steel and reinforced plastics, the lock ensures long-term reliability even under demanding conditions, such as frequent use, exposure to varying temperatures, or exposure to road salt and moisture. The design incorporates a **self-adjusting latch mechanism**, which compensates for wear over time, maintaining a secure and smooth locking/unlocking operation without requiring manual adjustments. At its core, the lock features a **high-torque electric motor** paired with a **gear-driven actuator**, delivering precise and consistent performance whether activated via the key fob, keyless entry system, or manual override. The inclusion of **redundant safety features**, such as a fail-safe mechanism that prevents the door from locking unintentionally during motion, underscores Mercedes-Benz s commitment to both security and driver confidence. Additionally, the lock is engineered to be **compatible with the vehicle s central locking system**, allowing for synchronized operation across all doors and the trunk, enhancing both convenience and security. For enthusiasts and professionals alike, this part is a testament to Mercedes-Benz s dedication to excellence, offering a perfect blend of functionality, durability, and the refined engineering that defines the brand. Whether replacing a worn-out original component or upgrading an aftermarket installation, the **099-730-85-00** ensures that the door locking system operates with the same precision and reliability as it did on the day the vehicle was new.

### **Analysis of Buying a Mercedes-Benz OEM Door Lock (Part Number: 099-730-85-00)**

#### **Overview**

The **Mercedes-Benz 099-730-85-00** is an Original Equipment Manufacturer (OEM) door lock assembly, commonly used in certain models of Mercedes-Benz vehicles (such as the **E-Class, C-Class, or GL-Class**, depending on the generation). Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of Buying an OEM Door Lock (099-730-85-00)**

1. **Perfect Fit and Functionality**

- Designed specifically for Mercedes-Benz vehicles, ensuring seamless integration with the door mechanism, wiring, and locking system.

- Matches the original build quality, including material durability and alignment with the vehicle s structural design.

2. **Reliability and Longevity**

- OEM parts are engineered to meet Mercedes-Benz s strict quality standards, reducing the risk of premature failure compared to aftermarket alternatives.

- Often comes with a warranty (if purchased from an authorized dealer or reputable supplier), providing peace of mind.

3. **Compatibility with Original Features**

- Includes all necessary components such as the lock actuator, latch, and sometimes integrated sensors (e.g., keyless entry compatibility).

- Works harmoniously with the vehicle s central locking system, power windows, and alarm (if applicable).

4. **Resale Value Preservation**

- Using OEM parts maintains the vehicle s original condition, which can be beneficial if you plan to sell or trade-in the car in the future.

- Avoids potential issues with aftermarket parts that may not align with the vehicle s specifications.

5. **Professional Installation Support**

- Authorized Mercedes-Benz dealerships or certified mechanics have the expertise to install OEM parts correctly, reducing the risk of improper fitting or electrical issues.

- Access to diagnostic tools and software updates (if the lock requires programming).

6. **Avoiding Common Aftermarket Issues**

- Aftermarket locks may lack proper sealing, leading to water intrusion, rust, or misalignment. OEM parts are designed to prevent such problems.

- No risk of incompatible materials (e.g., cheaper plastics or metals) that could degrade over time.

---

### **Cons of Buying an OEM Door Lock (099-730-85-00)**

1. **High Cost**

- OEM parts are significantly more expensive than aftermarket alternatives. Prices can range from **$300 to $800 **, depending on the supplier and vehicle model.

- Labor costs at dealerships are also higher than at independent shops, increasing the total repair expense.

2. **Longer Wait Times**

- OEM parts may require ordering from Mercedes-Benz s distribution network, leading to delays (sometimes weeks or months).

- Dealerships may prioritize service for newer model owners, causing further wait times for older vehicles.

3. **Limited Availability for Older Models**

- Some OEM parts become discontinued after a few years, especially for discontinued or older vehicle generations.

- May require sourcing from salvage yards or third-party suppliers, which could compromise authenticity.

4. **Overkill for Minor Issues**

- If the door lock has a simple mechanical failure (e.g., a broken latch spring), replacing the entire assembly may be unnecessary. A targeted repair could suffice.

- Over-reliance on OEM parts for routine wear-and-tear items (e.g., door seals, hinges) may not be cost-effective.

5. **Potential for Counterfeit OEM Parts**

- Some third-party sellers market "OEM-quality" parts that are actually replicas or knockoffs. These may fail prematurely or not fit correctly.

- Requires purchasing from authorized dealers or reputable suppliers to ensure authenticity.

6. **Environmental and Ethical Concerns**

- OEM parts contribute to electronic waste if the old part is not recycled properly. Aftermarket parts, while not ideal, may have a lower environmental impact in some cases.

- Some buyers prefer supporting aftermarket brands that may offer more sustainable or recycled materials.

---

### **Comparison with Aftermarket Alternatives**

While OEM parts are the gold standard for compatibility and reliability, aftermarket options (e.g., **Dorman, ACDelco, or specialized brands like **Valeo or Bosch**) offer lower costs and faster availability. However, they come with trade-offs:

- Affordable (often **30-50% cheaper** than OEM).

- Quick shipping from online retailers.

- Suitable for basic replacements where exact fit isn t critical.

- May not match the original build quality or durability.

- Risk of poor sealing, electrical issues, or premature wear.

- Limited warranty coverage (if any).

---

### **Conclusion**

The **Mercedes-Benz 099-730-85-00 OEM door lock** is the best choice for owners who prioritize **long-term reliability, perfect fit, and preservation of their vehicle s value**. It is ideal for:

- **Critical replacements** where compatibility is non-negotiable (e.g., after an accident or complete failure).

- **Owners who value OEM standards** and are willing to invest in quality.

- **Vehicles with complex locking systems** (e.g., keyless entry, remote start integration).

However, if the budget is a constraint or the issue is minor, **aftermarket parts can be a practical compromise**. For most routine repairs, a **high-quality aftermarket lock** (from a trusted brand) may suffice without sacrificing too much performance.

---

### **Recommendation**

- **Purchase from an authorized Mercedes-Benz dealership** or a reputable OEM parts supplier (e.g., **Mercedes-Benz Parts Store, RockAuto, or local authorized service centers**).

- **Have it installed by a dealership or Mercedes-Benz certified mechanic** to ensure proper programming and alignment.

- **Verify the part s authenticity** (check for Mercedes-Benz logos, serial numbers, and warranty details).

- **Research aftermarket options** from brands like **Valeo, Bosch, or Dorman**, ensuring they are compatible with your specific model year.

- **Consult a mechanic** to confirm whether a full replacement is necessary or if a partial repair (e.g., replacing only the actuator) is possible.

- **Consider a trusted independent shop** for installation, as labor costs may be lower than at a dealership.

- **Check salvage yards or online marketplaces** (e.g., **eBay, Facebook Marketplace, or parts exchanges**) for used OEM locks, which can be significantly cheaper.

- **Verify the part s condition** before purchasing to avoid hidden defects.

- **Document the issue thoroughly** (e.g., symptoms, when it started) before purchasing to ensure you re getting the correct part.

- **Compare quotes** from multiple sources (dealerships, independent shops, online retailers) to get the best value.

- **Consider extended warranties** if available, especially for high-cost OEM parts.

---

### **Final Verdict**

For the **099-730-85-00 door lock**, the **OEM option is the superior choice** for Mercedes-Benz owners who demand the best fit, reliability, and long-term performance. However, it requires a higher upfront investment and may not always be the most practical solution for minor or budget-conscious repairs. **Weigh the importance of perfection against cost and urgency** to make the best decision for your situation.

Details:

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.

part #: 0997308500 prices

• $86.93-$477.98

specifications carlockiio:

• for makes: Mercedes
• for years: 2019-2023
• mpn: 099-730-85-00
• model: 43 53 63 63 Cls450
• part type: Door Lock
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• make: Mercedes-benz
• year: 2019 2020 2021 2022 2023
• parts included: Only Part Reference 10 On The Diagram Is Included

shipping carlockiio:

• type: Fixed
• transit: 5-11 Days
• cost: $22.94
• class: Standard
• service: Standard

offer carlockiio:

• started: March 30, 2026
• availability: In Stock
• quantity: 3
• sold: 0
• options: Ship-to-home

general carlockiio:

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

returns carlockiio:

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

seller carlockiio:

• rating: 99.7%
• # reviews: 1720
• city: San Diego, California

payments carlockiio:

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

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