fits model: Ml550, Ml400. make: Mercedes. year: 2014–2015.

( Manufacturer Part Number: 1664106500 ), ( Part Type: Driveshaft ), ( Conditions Options: Drive Shaft ), ( Genuine Oem: Yes ), ( Ipn: 431-59708 ), ( Make: Mercedes-benz ), ( Warranty: 1 Year ), ( Partout Id: A-128794996 )
The **Mercedes-Benz 1664106500 Rear Drive Shaft (ML400, 2014 2015 ML-Class, Part Number 11328458)** is a precision-engineered, high-performance drivetrain component designed exclusively for the **ML-Class (W166) 5.5L V8 (ML400) models** produced between the **2014 and 2015 model years**. This drive shaft serves as a critical link between the transmission and the rear axle, ensuring seamless power transfer while maintaining optimal alignment, balance, and durability under the demanding conditions of high-torque V8 performance. Crafted from **high-grade steel and reinforced with advanced metallurgical treatments**, this drive shaft is built to withstand the intense forces generated by the **544 horsepower and 516 lb-ft of torque** produced by the **M278 V8 engine**, delivering both reliability and longevity even in aggressive driving scenarios.
The **1664106500 rear drive shaft** features a **modular design** that incorporates **precision-machined splines, sealed CV (constant velocity) joints, and a robust center bearing support**, all of which work in unison to minimize vibration, reduce wear, and enhance overall drivability. The **outer CV joint** is engineered with **high-capacity ball bearings and a durable rubber boot**, ensuring smooth articulation and protection against contaminants, while the **inner CV joint** is reinforced with **hardened steel components** to handle the concentrated loads from the transmission output shaft. The **spline connection** at the transmission end is precision-machined to fit seamlessly with the **7G-Tronic 8-speed automatic transmission**, preventing slippage and ensuring a secure transfer of power.
For installation, this drive shaft is designed with **easy-access mounting points**, including **adjustable flanges and pre-lubricated bearings**, which simplify the replacement process while maintaining factory specifications. The **11328458 part number** confirms its exact compatibility with the **ML400 (ML-Class, W166)**, ensuring that no modifications or adapters are required for a proper fit. Whether used in **original equipment replacement (OEM) applications** or as a **high-quality aftermarket upgrade**, this drive shaft is engineered to restore or enhance the performance, handling, and longevity of the vehicle s rear-wheel-drive system. Built to Mercedes-Benz s rigorous standards, it exemplifies the brand s commitment to **precision engineering, durability, and driving refinement**, making it an essential component for maintaining the ML400 s legendary power and smooth operation.
### **Pros and Cons of buying a Mercedes-Benz 1664106500 Rear Drive Shaft (ML400, 2014-2015 ML-Class, Part #11328458)**
#### **Pros:**1. **OEM Quality** This is a genuine Mercedes-Benz part, ensuring compatibility with the ML400 s drivetrain and maintaining the vehicle s performance and reliability.
2. **Durability** Mercedes-Benz drive shafts are built to withstand heavy loads and frequent use, reducing the risk of premature failure.
3. **Warranty Coverage** If purchased from an authorized dealer or reputable supplier, it may come with a warranty, providing peace of mind against defects.
4. **Performance Preservation** A properly functioning drive shaft ensures smooth power delivery to the rear wheels, preventing vibrations, clunks, or power loss.
5. **Resale Value Impact** Installing an OEM part helps maintain the vehicle s value, especially if the car is kept in good condition.
6. **Ease of Installation** While some aftermarket parts may require additional modifications, an OEM drive shaft typically fits without major adjustments.
7. **Compatibility with Aftermarket Upgrades** Since it s a stock part, it works seamlessly with other OEM or high-quality aftermarket components.
#### **Cons:**1. **High Cost** OEM parts from Mercedes-Benz are significantly more expensive than aftermarket alternatives, which can be a major drawback for budget-conscious buyers.
2. **Limited Availability** Depending on the region, finding this exact part may require ordering from a specialty supplier, leading to longer wait times.
3. **Potential Overkill for Some Owners** If the drive shaft failure was minor (e.g., a worn U-joint rather than a full shaft replacement), an aftermarket part might suffice at a lower cost.
4. **Installation Complexity** Replacing a drive shaft requires mechanical skill and proper tools, which may necessitate professional labor, adding to the total cost.
5. **Potential Counterfeit Risks** If buying from an untrusted source, there s a risk of receiving a fake or substandard part, which could lead to further issues.
6. **Weight Consideration** While not a major factor, OEM parts are often heavier than some aftermarket alternatives, which may slightly impact fuel efficiency.
#### **Conclusion:**The **Mercedes-Benz 1664106500 rear drive shaft (ML400, 2014-2015)** is a high-quality, reliable choice for owners who prioritize genuine parts and long-term performance. While the upfront cost is steep, the benefits in terms of fit, finish, and durability make it a strong recommendation for those who want to maintain their vehicle s integrity. However, if budget is a concern, a **high-quality aftermarket alternative** (such as those from **GKN, ACDelco, or Mopar**) could be a cost-effective option provided the supplier is reputable and the part meets OEM standards.
#### **Recommendation:** - **Buy the OEM part if:**- You want absolute certainty of fit and quality.
- You re keeping the vehicle long-term and want to preserve its value.
- You have access to a trusted Mercedes-Benz dealer or authorized supplier.
- **Consider an aftermarket alternative if:**- You re on a tight budget but still want a reliable part.
- You ve verified the aftermarket part is compatible (check for proper certifications).
- You re comfortable with installation or have a mechanic you trust.
For most ML400 owners, **the OEM part is the safest choice**, but always weigh the cost against your priorities. If purchasing from a third party, ensure the seller provides a warranty and proper documentation.
If something is wrong with an order, we certainly do want to help you. Free shipping only applies to items you keep. Shipping Damage:: Damages and evidence of tampering on the outer packaging must be noted delivery receipt by driver. Please disregard other fitment charts they may not be correct.
Easy to find parts that don't require a mechanics knowledge. Please compare part numbers BEFORE purchasing. Very happy customer, excellent value and service. Image shown may be the vehicle from which part was pulled, or a generic image representing typical stock, rather than unique item being sold.
Model: ML550. Warranty HASSLE-FREE 1 YEAR WARRANTY: All parts are warrantied for a period of 12 months or year from the purchase date. Rear Drive Shaft 166 Type ML400 Fits 14-15 MERCEDES ML-CLASS 11328458: DRIVE SHAFT, REAR Included: Hassle-free 1 Year Warranty Our Part #: 11328458. Quality, Assured Parts All are Quality Tested Inspected.
More Parts: 1 Year Warranty.