MERCEDES 172-620-42-00 Member Benz

( Manufacturer Part Number: 172-620-42-00 ), ( Model: SLC300 SLC43 SLK300 SLK350 SLK55 SLK250 ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: Direct Replacement ), ( Make: Mercedes-benz ), ( Year: 2012 2013 2014 2015 2016 2017 2018 2019 2020 ), ( Parts Included: Only Part Reference 5 On The Diagram Is Included ), ( Replaces Part Number: 1726200586, 1726203300 )

Review MERCEDES benz Genuine Cross member fits CROSS SLC300 2012–2020

The **Mercedes-Benz 172-620-42-00 Cross-Member** is a high-performance, precision-engineered structural component designed exclusively for the brand s most demanding automotive applications, particularly within the chassis and suspension systems of luxury and high-performance vehicles. Crafted from high-grade, cold-formed steel sheet, this cross-member exemplifies Mercedes-Benz s commitment to durability, rigidity, and aerodynamic efficiency, ensuring optimal load distribution and structural integrity under extreme conditions. Its robust construction features a sophisticated, multi-point weld design, reinforcing critical stress points to withstand the dynamic forces encountered during high-speed driving, aggressive cornering, or heavy-duty towing scenarios. The cross-member s sleek, aerodynamic profile is meticulously contoured to minimize drag while maintaining the vehicle s signature Mercedes-Benz styling cues, blending form and function seamlessly. This component is engineered to interface flawlessly with the front suspension system, providing a stable foundation for components such as the steering rack, brake calipers, and control arms, thereby enhancing overall handling precision and ride comfort. Whether integrated into a classic W123, a modern AMG performance model, or a bespoke restoration project, the 172-620-42-00 cross-member delivers uncompromising strength and reliability, embodying the legacy of Mercedes-Benz engineering excellence. Its universal compatibility with select vehicle models makes it an indispensable upgrade for enthusiasts seeking to restore originality, improve safety, or enhance the performance of their Mercedes-Benz.

### **Pros and Cons of buying a Mercedes-Benz 172-620-42-00 Cross-Member**

The **Mercedes-Benz 172-620-42-00** is a front cross-member assembly, part of the suspension system in certain W203 (E-Class) and W210 (S-Class) models. Below is a detailed analysis of its advantages and disadvantages, followed by a conclusion and recommendation.

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### **Pros**

1. **OEM Quality and Fit**

- The cross-member is a genuine Mercedes-Benz part, meaning it is designed to match the original specifications of the vehicle. This ensures proper alignment, structural integrity, and compatibility with other suspension components.

- Avoids the risk of aftermarket parts that may not fit correctly, leading to misalignment or premature wear.

2. **Durability and Longevity**

- Mercedes-Benz parts are built to high standards, often using high-grade steel or reinforced materials. This makes the cross-member robust and capable of withstanding heavy loads, rough roads, and long-term use.

- Less likely to fail prematurely compared to cheaper, non-OEM alternatives.

3. **Compatibility with Safety Systems**

- The cross-member is integral to the vehicle s structural integrity, particularly in frontal collisions. A genuine part ensures that safety systems like airbags, crumple zones, and stability control function as intended.

- Aftermarket parts may not meet the same safety standards, potentially compromising passenger protection.

4. **Resale Value and Perception**

- Using OEM parts when repairing or restoring a Mercedes-Benz maintains the vehicle s value and prestige. Buyers and appraisers often prefer vehicles that have been serviced with genuine components.

- Helps preserve the car s "like-new" or "restored" condition, which is crucial for luxury vehicles.

5. **Warranty and Support**

- Purchasing from an authorized Mercedes-Benz dealer or a reputable supplier may include warranties or return policies. This provides peace of mind in case of defects or installation issues.

- Access to technical support and genuine service manuals ensures proper installation and troubleshooting.

6. **Aesthetic and Functional Consistency**

- The cross-member is part of the vehicle s undercarriage, and a genuine part ensures that the suspension geometry remains accurate. This affects handling, ride quality, and tire wear.

- Aftermarket parts may not align perfectly, leading to uneven tire wear or handling issues.

---

### **Cons**

1. **High Cost**

- Genuine Mercedes-Benz parts are significantly more expensive than aftermarket alternatives. The **172-620-42-00 cross-member** can cost several hundred dollars, depending on the supplier and region.

- This expense can be prohibitive for budget-conscious buyers or those restoring older vehicles.

2. **Limited Availability**

- Older or discontinued models may have limited stock of genuine parts. This can lead to longer wait times for delivery, especially if ordering directly from Mercedes-Benz.

- Some suppliers may charge premium prices for rare or hard-to-find parts.

3. **Potential for Counterfeit Parts**

- The luxury market attracts counterfeiters. Even when purchasing from a dealer, there is a risk of receiving a fake or salvaged part that has been refurbished poorly.

- Requires careful sourcing from trusted dealers or verified online marketplaces to avoid scams.

4. **Installation Complexity**

- Replacing a cross-member often requires specialized tools, mechanical skill, and access to the vehicle s undercarriage. Improper installation can lead to misalignment or damage to other components.

- May necessitate professional labor, adding to the overall cost.

5. **Environmental and Ethical Concerns**

- Genuine parts often come from new manufacturing, which may have environmental implications (e.g., resource extraction, manufacturing waste).

- Some buyers prefer recycled or salvaged parts to reduce environmental impact, though these may not always meet OEM standards.

6. **Overkill for Minor Repairs**

- If the cross-member is only damaged due to a minor accident or wear, replacing it with a genuine part may be excessive. In such cases, aftermarket or refurbished parts could suffice.

- Requires a thorough assessment to determine whether the part is truly necessary or if a less expensive solution exists.

---

### **Conclusion**

The **Mercedes-Benz 172-620-42-00 cross-member** is a high-quality, reliable part that ensures proper fit, safety, and longevity for your vehicle. Its advantages in terms of durability, compatibility, and resale value make it the best choice for serious owners, restorers, or those prioritizing long-term performance. However, the high cost, limited availability, and potential for counterfeit parts are significant drawbacks that must be weighed against the benefits.

For most Mercedes-Benz owners who value authenticity and performance, the investment in a genuine part is justified. However, if budget constraints or minor damage are the primary concerns, alternatives like high-quality aftermarket or refurbished parts should be explored though with caution to ensure they meet safety and compatibility standards.

---

### **Recommendation**

- **Buy the genuine 172-620-42-00 cross-member** from an authorized Mercedes-Benz dealer or a reputable supplier (e.g., MBB Parts, Euro Car Parts, or local specialists).

- Verify the part s authenticity and source it with a warranty if possible.

- Consider professional installation to ensure proper alignment and safety.

- Research **high-quality aftermarket alternatives** (e.g., Mann Filter, Febi Bilstein, or reputable European suppliers) that offer OEM-level compatibility.

- Check for **refurbished or salvaged parts** from trusted sources, but inspect them thoroughly for damage or wear.

- Consult a Mercedes-Benz mechanic to confirm whether a genuine part is strictly necessary or if a compatible alternative will suffice.

- Never compromise on the cross-member if it is part of the vehicle s structural safety system. A faulty or improperly installed part could jeopardize passenger safety in a collision.

- Prioritize **certified pre-owned (CPO) parts** or **factory-remanufactured components** if genuine parts are unavailable.

- If you own multiple Mercedes-Benz vehicles or plan to restore others, consider purchasing genuine parts in bulk or establishing a relationship with a dealer for future needs.

- Keep records of all parts and installations to maintain the vehicle s service history, which is valuable for resale or insurance purposes.

Ultimately, the **172-620-42-00 cross-member is the best choice for purity and performance**, but the decision should balance cost, necessity, and long-term goals. For most enthusiasts and owners, the benefits outweigh the drawbacks, making it a worthwhile investment.

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 #: 1726204200 prices

• $515.62-$998.50

specifications ocoosys:

• for models: Slc300, Cross
• for makes: Mercedes
• for years: 2012-2020
• mpn: 172-620-42-00
• model: Slc300 Slc43 Slk300 Slk350 Slk55 Slk250
• genuine oem: Yes
• manufacturer warranty: 1 Year
• universal fitment: Direct Replacement
• make: Mercedes-benz
• year: 2012 2013 2014 2015 2016 2017 2018 2019 2020
• parts included: Only Part Reference 5 On The Diagram Is Included
• replaces part number: 1726200586, 1726203300

general ocoosys:

• condition: New
• Car Truck Parts Accessories > Engine Cooling Components > Other Engine Cooling Components

payments ocoosys:

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

seller ocoosys:

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

shipping ocoosys:

• service: Standard
• transit: 5-11 Days
• cost: $38.99
• type: Fixed
• class: Standard

offer ocoosys:

• options: Ship-to-home
• quantity: 4
• sold: 0
• availability: In Stock
• started: February 28, 2026

returns ocoosys:

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

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