MERCEDES 1647600277 Front Left Driver Door Lock Cylinder Benz X164

( Manufacturer Part Number: 1647600277 ), ( Part Type: Driver Door Lock Cylinder ), ( Manufacturer Warranty: 1 Month ), ( Color: Silver ), ( Placement On Vehicle: Front, Left )

Review MERCEDES benz Front Left Driver Door Lock Cylinder Silver Oem fits W164 ML350 2006–2012

The **Mercedes-Benz 1647600277 (06-12 W164 X164 ML350 Front Left Driver Door Lock Cylinder)** is a precision-engineered component designed exclusively for the iconic **Mercedes-Benz W164 and X164 model series**, specifically the **ML350 (2006 2012)**, ensuring seamless integration with the vehicle s sophisticated door locking mechanism. This high-quality, OEM-replacement lock cylinder is crafted to meet Mercedes-Benz s stringent engineering standards, delivering unmatched reliability, durability, and security. Engineered with a robust **stainless steel construction**, it resists corrosion, wear, and tampering, making it ideal for both original equipment and aftermarket restoration projects. The cylinder features a **smooth, ergonomic keyway** compatible with the original Mercedes-Benz key system, ensuring effortless operation while maintaining the vehicle s premium handling and security features. Its **precise internal mechanism** is designed to work flawlessly with the door latch assembly, providing a secure lock and unlock function without binding or misalignment. Whether replacing a worn-out original component or upgrading for enhanced security, this lock cylinder guarantees a perfect fit, seamless functionality, and the unmistakable Mercedes-Benz performance that drivers expect. Built to withstand the demands of daily use, this part is a critical component for maintaining the integrity and luxury of the ML350 s door system, ensuring a quiet, smooth, and secure operation for years to come.

### **Pros and Cons of Buying a Mercedes-Benz W164/X164 ML350 Front Left Driver Door Lock Cylinder (Part Number: 1647600277, 06-12 Model Year)**

1. **OEM Quality and Reliability** Mercedes-Benz parts are engineered to meet strict manufacturing standards, ensuring durability and proper fitment. This cylinder is designed specifically for the ML350, reducing the risk of compatibility issues.

2. **Direct Fitment** The part number (1647600277) is confirmed for the **2006 2012 W164/X164 ML350**, meaning it should install without modification, provided the door mechanism is intact.

3. **Security and Functionality** The lock cylinder is part of the vehicle s central locking system, ensuring proper operation of the power locks and key fob functionality. A faulty cylinder can prevent the doors from locking/unlocking, so replacing it restores full functionality.

4. **Prevents Further Damage** If the current cylinder is worn, corroded, or malfunctioning, replacing it early can prevent damage to the door lock mechanism or wiring harness.

5. **Easier Maintenance** Unlike aftermarket parts that may require additional tools or adjustments, an OEM cylinder is designed for straightforward installation, reducing labor time and potential errors.

6. **Resale Value** Using genuine Mercedes parts may be preferred by mechanics or future owners, as it maintains the vehicle s integrity and avoids potential warranty issues if the car is sold later.

7. **Warranty Coverage** If purchased from an authorized dealer or a reputable supplier, the part may come with a warranty, providing peace of mind against defects.

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1. **Higher Cost** OEM parts from Mercedes-Benz are significantly more expensive than aftermarket alternatives. The price for this cylinder can range from **$100 $200 **, depending on the source (dealer vs. online retailer).

2. **Potential Overkill for Minor Issues** If the cylinder failure is due to a simple issue (e.g., dirt, minor wear), a cheaper aftermarket replacement might suffice. However, if the cylinder is seized or damaged, an OEM part is the safest choice.

3. **Limited Availability Outside Dealers** While the part is widely available online, sourcing it from unauthorized sellers may risk counterfeit or low-quality duplicates. Always verify the supplier s reputation.

4. **Installation Complexity** While the cylinder itself is straightforward, removing the old one may require disassembling the door panel, which can be time-consuming for inexperienced DIYers. Some owners may prefer professional installation ( $100 $200 labor).

5. **No Significant Performance Benefit** Unlike engine or suspension upgrades, replacing a lock cylinder does not improve performance, fuel efficiency, or handling it only restores functionality.

6. **Potential for Counterfeit Parts** Buying from untrusted sellers (e.g., eBay without seller verification, unknown online marketplaces) increases the risk of receiving a fake or substandard part that may fail prematurely.

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- The cylinder is **seized, broken, or failing** and needs immediate replacement.

- You prioritize **OEM quality, longevity, and compatibility** over cost savings.

- You want to **avoid potential issues with aftermarket parts** that may not fit or function correctly.

- The vehicle is **high-mileage or has electrical issues** that could worsen without a proper replacement.

However, if the cylinder failure is **minor (e.g., sticking due to dirt)** and you re on a tight budget, an **aftermarket equivalent** (from trusted brands like **Dorman, ACDelco, or local Mercedes specialists**) could be a cost-effective alternative **as long as the part is verified for compatibility**.

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1. **Verify the Exact Issue** Before purchasing, confirm whether the cylinder is **mechanically damaged, corroded, or just sticky**. A visual inspection or test (e.g., jiggling the key) can help determine if a full replacement is necessary.

2. **Purchase from a Trusted Source**

- **Authorized Mercedes-Benz dealers** (most reliable, but priciest).

- **Reputable online retailers** (e.g., **RockAuto, Jegs, or eBay with verified sellers**).

- Avoid unknown sellers unless they have **positive reviews and clear return policies**.

3. **Consider Aftermarket Options (If Budget-Conscious)**

- Brands like **Dorman (1647600277 equivalent), ACDelco, or local Mercedes specialists** often carry compatible cylinders at a lower cost.

- Check **forums (e.g., ML350 forums, MercedesBenzForum)** for recommendations on tested aftermarket parts.

4. **DIY vs. Professional Installation**

- If comfortable with basic automotive work, **DIY installation** is feasible (YouTube tutorials exist for this model).

- If unsure, **professional installation** ( $100 $200) ensures proper alignment and avoids damaging the door mechanism.

5. **Check for Bundled Parts** Some suppliers sell the cylinder with **additional hardware (pins, seals, or wiring harnesses)** that may be needed for a complete fix.

For **long-term reliability and peace of mind**, the **OEM Mercedes-Benz lock cylinder (1647600277)** is the **best choice**, especially if the vehicle is well-maintained or has high mileage. If cost is a concern and the issue is minor, a **high-quality aftermarket alternative** from a trusted brand can be a practical compromise. Always **prioritize quality over price** to avoid recurring problems.

Details:

ENGINE: 3.0L DIESEL V6 OM642. FRONT LEFT DRIVER DOOR LOCK CYLINDER SILVER COLOR: IRIDIUM METALLIC PAINT CODE: 775, WILL FIT 2006 - 2011 Mercedes-Benz ML-Class W164 2007 2012 GL-Class X164, 2011 MERCEDES-BENZ ML350. EXTERIOR COLOR: IRIDIUM SILVER METALLIC CODE: 775. TRANSMISSION: AUTOMATIC 7 SPEED.

part #: 1647600277 prices

• $26.69-$59.40

specifications carlockiio:

• for models: W164, Ml350
• for makes: Mercedes
• for years: 2006-2012
• mpn: 1647600277
• part type: Driver Door Lock Cylinder
• manufacturer warranty: 1 Month
• color: Silver
• placement on vehicle: Front, Left

returns carlockiio:

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

shipping carlockiio:

• class: Standard
• service: Standard
• type: Fixed
• transit: 3-8 Days
• cost: $10.00

offer carlockiio:

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

seller carlockiio:

• rating: 99.4%
• city: Wylie, Texas
• # reviews: 1767

general carlockiio:

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

payments carlockiio:

• wallet: Google-pay
• credit card: Mastercard
• other

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