MERCEDES 166-723-10-39 Lock Rod Benz

( Manufacturer Part Number: 166-723-10-39 ), ( Part Type: Lock Rod ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Make: Mercedes-benz ), ( Year: 2013 2014 2015 2016 2017 2018 2019 ), ( Parts Included: Only Part Reference 15 On The Diagram Is Included ), ( Replaces Part Number: 1667230739 )

Review MERCEDES benz Genuine Lock Rod fits 2013–2019

The **Mercedes-Benz 166-723-10-39 Lock Rod** is a precision-engineered, high-performance steering component designed exclusively for select Mercedes-Benz vehicles, ensuring seamless operation and optimal handling. This critical part is integral to the vehicle s steering linkage system, connecting the steering column to the front wheels and facilitating smooth, responsive directional control. Crafted from durable, high-grade materials, the lock rod is built to withstand the rigors of daily driving, including road vibrations, temperature fluctuations, and mechanical stress, while maintaining structural integrity and longevity. Its robust construction often incorporates heat-treated steel or reinforced alloys, providing resistance to wear, corrosion, and deformation over time. The design of this lock rod is meticulously calibrated to match the specific steering geometry of the vehicle it serves, ensuring proper alignment and minimizing play or slack in the steering mechanism. Whether installed in a classic Mercedes-Benz model or a modern luxury vehicle, this component plays a vital role in enhancing driver confidence, precision, and overall driving dynamics. For enthusiasts and mechanics alike, sourcing an authentic OEM-quality lock rod like the 166-723-10-39 ensures compatibility, reliability, and the performance standards expected from Mercedes-Benz engineering. Proper installation and maintenance of this part are essential to preserving the vehicle s handling characteristics and preventing premature failure in the steering system.

### Pros and Cons of buying a Mercedes-Benz Part Number 166-723-10-39 (Lock Rod)

#### **Overview**

The Mercedes-Benz part number **166-723-10-39** refers to a **lock rod (also called a tie rod end or steering link rod)**. This component is critical for steering stability, alignment, and safe vehicle operation. Below is a detailed breakdown of its pros and cons when purchasing it, along with a conclusion and recommendation.

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### **Pros of Buying This Part**

1. **Direct OEM Fitment**

- This part is an **original equipment manufacturer (OEM) replacement**, meaning it is designed to match the specifications of the original component installed by Mercedes-Benz. This ensures proper fitment, functionality, and compatibility with the vehicle s steering system.

- Avoids issues that can arise from aftermarket parts that may not align perfectly with the vehicle s geometry.

2. **High Quality and Durability**

- Mercedes-Benz parts are manufactured to strict quality standards, ensuring longevity and reliability. The lock rod is typically made from high-grade steel or reinforced materials, reducing the risk of premature wear or failure.

- Less likely to corrode or deform over time compared to cheaper alternatives.

3. **Warranty Coverage**

- Purchasing from an authorized Mercedes-Benz dealer or a reputable supplier often includes a **factory-backed warranty**, typically ranging from 12 to 60 months. This provides peace of mind and protection against defects.

- Some third-party sellers may offer warranties as well, though these are usually shorter and less comprehensive.

4. **Improved Steering Precision**

- A properly functioning lock rod ensures smooth and responsive steering. Replacing a worn or damaged rod can eliminate issues like **looseness, wandering, or uneven tire wear**, which can arise from misalignment or worn steering components.

- Enhances overall driving comfort and safety.

5. **Prevents Further Damage**

- Ignoring a faulty lock rod can lead to more severe issues, such as **damage to the steering rack, suspension components, or tires**. Replacing it proactively can save money on costly repairs down the line.

6. **Resale Value Protection**

- Maintaining the vehicle with genuine parts helps preserve its **resale value**, especially for luxury or high-demand Mercedes-Benz models. Potential buyers are more likely to pay a premium for a well-maintained vehicle with original components.

7. **Ease of Installation**

- Since it is an OEM part, it is designed to fit seamlessly into the vehicle s existing system. Installation typically requires basic mechanical skills and standard tools, though some models may require specialized equipment (e.g., torque wrenches for precise alignment).

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### **Cons of Buying This Part**

1. **Higher Cost**

- OEM parts are significantly more expensive than aftermarket alternatives. The price of the **Mercedes-Benz 166-723-10-39 lock rod** can range from **$100 to $300 or more**, depending on the model year, region, and supplier.

- This cost may be prohibitive for budget-conscious buyers or those who prefer cheaper aftermarket options.

2. **Limited Availability**

- OEM parts may not be readily available at all auto parts stores or online retailers. Purchasing from an authorized dealer can be inconvenient and may require ordering in advance.

- Some older or discontinued models may have limited stock, leading to longer wait times.

3. **Potential for Overkill**

- For high-mileage or heavily modified vehicles, an OEM part may be **more durable than necessary**, making it an unnecessary expense. In such cases, a high-quality aftermarket part could suffice at a lower cost.

- If the vehicle is not driven frequently, the part may last longer than expected, making the upfront cost seem less justified.

4. **Mixed Perception of Quality**

- While OEM parts are generally high-quality, some buyers question whether aftermarket parts (from reputable brands like **Fel-Pro, ACDelco, or Mopar**) offer comparable performance at a fraction of the cost.

- There is a risk of purchasing a **counterfeit OEM part** from unscrupulous sellers, which could compromise safety and fitment.

5. **Labor Costs**

- Replacing a lock rod often requires **alignment or steering system adjustments** afterward, which may incur additional labor costs at a mechanic s shop. Some dealerships charge premium rates for such services.

- DIY installation is possible but may not be straightforward for inexperienced mechanics, especially if the vehicle has complex steering geometry.

6. **Environmental and Ethical Concerns**

- OEM parts contribute to **electronic waste** and may not be as eco-friendly as remanufactured or recycled alternatives. Some buyers prefer sustainable or refurbished options to reduce environmental impact.

- There are ethical concerns about labor practices in the manufacturing of OEM parts, though this is less relevant for individual consumers.

7. **Potential for Over-Replacement**

- If the lock rod is not actually the root cause of the steering issue (e.g., a loose ball joint or worn bushings may be the problem), replacing only the lock rod may not fully resolve the problem, leading to repeated trips to the mechanic.

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### **Conclusion**

The **Mercedes-Benz 166-723-10-39 lock rod** is a high-quality, reliable replacement part that ensures proper steering function and long-term durability. Its OEM status guarantees fitment, performance, and warranty coverage, making it an ideal choice for owners who prioritize **safety, longevity, and resale value**. However, the **higher cost and limited availability** may deter budget-conscious buyers or those who prefer aftermarket alternatives.

For most Mercedes-Benz owners, especially those who value **brand integrity and performance**, the OEM part is the best option. It is particularly justified if the vehicle is still under warranty or if the part is failing due to normal wear. Conversely, if the budget is tight or the vehicle has high mileage, a **high-quality aftermarket part from a trusted brand** could be a cost-effective alternative, provided it meets the necessary safety and performance standards.

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### **Recommendation**

1. **Buy from an Authorized Source**

- Purchase the part from an **official Mercedes-Benz dealership** or a **reputable online supplier** (e.g., **Mercedes-Benz Parts Online, RockAuto, or Amazon with verified sellers**) to ensure authenticity and warranty coverage.

2. **Compare Prices and Warranties**

- Check prices across multiple suppliers to find the best deal. Look for sellers offering **extended warranties** or **lifetime guarantees** to maximize value.

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

- If the OEM part is too expensive, research **aftermarket alternatives** from brands like **Fel-Pro, ACDelco, or Mopar**, which often provide similar performance at a lower cost. Ensure the part is **DOT-approved** and compatible with your vehicle s model.

4. **Inspect for Damage Before Purchase**

- If buying used or refurbished, inspect the part for **rust, cracks, or excessive wear**. A damaged lock rod can compromise safety and lead to further issues.

5. **Professional Installation or Proper DIY**

- If not confident in your mechanical skills, have the part installed by a **certified Mercedes-Benz technician** to ensure proper alignment and steering adjustments.

- If installing yourself, follow **Mercedes-Benz service manuals** and use the correct tools to avoid misalignment or damage to other components.

6. **Monitor Steering Performance Post-Installation**

- After replacement, **test drive the vehicle** to ensure the steering feels smooth and responsive. If issues persist (e.g., wandering, clunking noises), consult a mechanic to check for related problems (e.g., worn bushings, steering rack issues).

7. **Maintain Regular Steering System Checks**

- Include **steering and suspension inspections** during routine maintenance to catch potential issues early. A well-maintained steering system extends the life of the lock rod and other components.

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For most Mercedes-Benz owners, the **166-723-10-39 OEM lock rod** is the **best choice** due to its reliability, warranty, and fitment. However, if cost is a major concern, a **high-quality aftermarket part** from a trusted brand can be a viable alternative. Always prioritize **safety and compatibility** over price when replacing critical steering components.

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. Coupe, lock knob.

Convertible, lock knob.

part #: 1667231039 prices

• $21.78-$29.47

specifications carlockiio:

• for makes: Mercedes
• for years: 2013-2019
• mpn: 166-723-10-39
• part type: Lock Rod
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• make: Mercedes-benz
• year: 2013 2014 2015 2016 2017 2018 2019
• parts included: Only Part Reference 15 On The Diagram Is Included
• replaces part number: 1667230739

seller carlockiio:

• rating: 0.0%
• city: Clearwater, Florida
• # reviews: 0

returns carlockiio:

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

offer carlockiio:

• sold: 0
• quantity: 1
• options: Ship-to-home
• started: February 28, 2026
• availability: In Stock

shipping carlockiio:

• service: Standard
• class: Standard
• transit: 4-10 Days
• type: Fixed
• cost: $18.88

general carlockiio:

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

payments carlockiio:

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

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