MERCEDES 099-730-01-01 Door Lock CLS53 Benz

( Manufacturer Part Number: 099-730-01-01 ), ( Model: 43 53 63 63 CLS53 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 ), ( Replaces Part Number: 997305100 )

Review MERCEDES benz Genuine Door Lock fits 2019–2023

The **Mercedes-Benz 099-730-01-01 Door Lock** is a precision-engineered, high-performance component designed exclusively for select models within the Mercedes-Benz lineup, ensuring seamless integration with the vehicle s advanced security and convenience systems. This door lock mechanism is crafted from durable, corrosion-resistant materials, including high-grade steel and robust polymer blends, to withstand the rigors of daily use while maintaining long-term reliability. Engineered to meet the stringent quality standards of Mercedes-Benz, this part features a smooth, silent operation, minimizing noise and vibration for an elevated driving experience. The lock incorporates a sophisticated latch system with a self-adjusting mechanism, which compensates for wear over time, ensuring consistent performance and preventing premature failure. Compatible with a range of electronic control units (ECUs) and keyless entry systems, this door lock seamlessly interfaces with the vehicle s central locking, power window, and immobilizer functions, providing both convenience and enhanced security. Its modular design allows for easy installation, even in tight spaces, while its ergonomic shape ensures a snug fit within the door panel, reducing the risk of rattling or misalignment. Whether used in replacement or as an upgrade for a classic or modern Mercedes-Benz model, this door lock exemplifies the brand s commitment to precision, durability, and driver-centric innovation.

### **Pros and Cons of Buying a Mercedes-Benz 099-730-01-01 Door Lock**

The **Mercedes-Benz 099-730-01-01** is a door lock actuator, commonly used in models like the **E-Class (W212/W213), C-Class (W205), and other modern Mercedes vehicles**. Below is a detailed analysis of its advantages and disadvantages.

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### **Pros**

1. **High Quality and Durability**

- Mercedes-Benz parts are engineered for precision and longevity, often exceeding the lifespan of aftermarket alternatives. The **099-730-01-01** is designed to withstand frequent use without premature wear.

2. **Direct Fitment (OEM Replacement)**

- This is an **Original Equipment Manufacturer (OEM) part**, meaning it is designed to function exactly as the factory unit. It ensures proper fitment, reducing the risk of misalignment or operational issues.

3. **Reliability in Critical Functions**

- Door locks are essential for security and convenience. A faulty lock can lead to inconvenience or even security risks. The **099-730-01-01** is built to handle repeated activation without failure, improving long-term reliability.

4. **Compatibility with Modern Electronics**

- Mercedes vehicles often integrate door locks with **keyless entry, remote control, and smart key systems**. The **099-730-01-01** is designed to work seamlessly with these systems, ensuring proper communication between the lock actuator and the vehicle s central electronics.

5. **Warranty Coverage (If Purchased from Authorized Dealer)**

- If bought from an **authorized Mercedes-Benz dealer or a reputable OEM supplier**, this part may come with a **limited warranty**, providing peace of mind against defects.

6. **Reduced Risk of Voiding Warranty (If Installed Properly)**

- Unlike aftermarket parts, OEM replacements do not typically void the vehicle s warranty if installed correctly. This is particularly important for newer Mercedes models still under manufacturer warranty.

7. **Better Performance in Extreme Conditions**

- Mercedes parts are tested for performance in varying temperatures, humidity, and environmental conditions. The **099-730-01-01** is less likely to fail in harsh weather compared to cheaper alternatives.

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### **Cons**

1. **Higher Cost Compared to Aftermarket Parts**

- OEM Mercedes parts are significantly more expensive than aftermarket or generic replacements. The **099-730-01-01** can cost **$100 $300 **, depending on the source, whereas aftermarket options may range from **$20 $80**.

2. **Potential for Overpricing by Dealers**

- Authorized dealers often mark up OEM parts, sometimes charging **2 3 times the manufacturer s suggested retail price (MSRP)**. Buying from a third-party supplier (while still reputable) can reduce costs.

3. **Longer Wait Times for Delivery**

- OEM parts, especially from dealers, may take **days or weeks** to arrive, whereas aftermarket parts are often available immediately.

4. **Mixed Quality in Aftermarket Alternatives (If Not Purchased Carefully)**

- While some aftermarket parts are high-quality, others may fail prematurely or not fit correctly. If not sourced from a trusted brand (e.g., **Dorman, ACDelco, or reputable European suppliers**), the part may not last as long.

5. **Potential for Overkill for Minor Issues**

- If the door lock failure is due to a **minor electrical issue or a loose connection**, replacing the entire actuator with an OEM part may be unnecessary. A **diagnostic check** could reveal a simpler, cheaper fix.

6. **Installation Complexity (If DIY)**

- While the **099-730-01-01** is a direct replacement, some Mercedes models require **special tools or electrical recalibration** after installation. Inexperienced DIYers may struggle with wiring or programming.

7. **Environmental and Ethical Concerns (If Purchasing New OEM)**

- Some consumers prefer **refurbished or remanufactured parts** to reduce waste. While the **099-730-01-01** is not typically remanufactured, buying new contributes to higher production costs and potential e-waste.

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### **Conclusion**

The **Mercedes-Benz 099-730-01-01 door lock actuator** is a **high-quality, reliable OEM replacement** that ensures proper function and longevity. It is the **best choice for owners who prioritize durability, warranty compatibility, and seamless integration with their vehicle s electronics**. However, the **higher cost and potential dealer markups** make it less ideal for budget-conscious buyers or those dealing with minor issues that could be fixed more affordably.

For most Mercedes owners experiencing **persistent door lock failures**, the **099-730-01-01 is the safest and most effective solution**, especially if the vehicle is still under warranty or if long-term reliability is a concern.

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### **Recommendation**

- **Buy from an Authorized Mercedes-Benz Dealer or a Trusted OEM Supplier** (e.g., **Mercedes-Benz Parts Online, RockAuto, or local authorized service centers**) to ensure authenticity and warranty coverage.

- **Compare Prices** while OEM is best, check for **third-party suppliers** that offer genuine parts at competitive prices.

- The issue is **not critical** (e.g., minor wear rather than complete failure).

- You are **confident in the brand** (e.g., **Dorman, ATE, or Bosch**).

- You have **verified compatibility** through research or professional advice.

- **Get a Professional Diagnosis** before purchasing to ensure the **099-730-01-01 is indeed the correct fix** sometimes, a **wiring repair, sensor replacement, or simple adjustment** is sufficient.

- **If DIY Installation is Attempted**, ensure you have the **correct tools, wiring diagrams, and patience** some Mercedes models require **key programming or calibration** after part replacement.

**Final Verdict:** The **099-730-01-01 is the best long-term solution** for Mercedes owners who want **reliability and peace of mind**, but it is **not the most cost-effective choice** for minor or budget-sensitive repairs. Weigh the **immediate cost savings of aftermarket parts** against the **potential for future issues** before deciding.

Details:

Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Parts must be resalable and in the original packaging. Electrical parts are not returnable.

part #: 0997300101 prices

• $51.00-$261.45

specifications carlockiio:

• for makes: Mercedes
• for years: 2019-2023
• mpn: 099-730-01-01
• model: 43 53 63 63 Cls53 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
• replaces part number: 997305100

returns carlockiio:

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

shipping carlockiio:

• cost: $0.00
• transit: 2-7 Days
• class: Standard, Expedited, One-day
• service: FedEx Ground / FedEx Home Delivery, FedEx 2Day, FedEx Standard Overnight
• carrier: FedEx
• type: Fixed

payments carlockiio:

• credit card: Mastercard
• wallet: Paypal
• other

seller carlockiio:

• # reviews: 4472
• city: Warwick, Rhode Island
• rating: 99.7%

offer carlockiio:

• sold: 0
• quantity: 4
• started: February 11, 2026
• options: Ship-to-home
• availability: In Stock

general carlockiio:

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

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