MERCEDES A1664102301 Front Driveshaft Drive Shaft Propeller Benz

( Manufacturer Part Number: A1664102301 ), ( Vintage Part: No ), ( Type: Driveshaft ), ( Transmission Type: Automatic ), ( Placement On Vehicle: Front )

Review MERCEDES benz Front Driveshaft Drive Shaft Propeller Oem fits ML350 W166 4MATIC 2012–2015

The **Mercedes-Benz A1664102301 (2012 2015 ML350 W166 4MATIC Front Driveshaft)** is a precision-engineered, high-performance drive shaft assembly designed exclusively for the iconic **ML350 4MATIC** model, part of the **W166** generation. This front driveshaft is a critical component of the vehicle s **4MATIC all-wheel-drive system**, ensuring seamless power delivery between the transmission and the front wheels while maintaining optimal balance, stability, and efficiency. Crafted from high-grade **chromoly steel**, this driveshaft is built to withstand the rigorous demands of daily driving, off-road adventures, and high-performance maneuvers, offering exceptional durability and resistance to fatigue, bending, and torsional stress. The assembly features a **splined input shaft** that interfaces directly with the **7G-Tronic automatic transmission**, allowing for smooth and precise torque transfer, while the **slip yoke** accommodates minor variations in drivetrain length, reducing wear and preventing binding. The driveshaft is also equipped with **high-quality rubber bushings** at both ends, which absorb vibrations and road imperfections, enhancing ride comfort and reducing noise transmission into the cabin. For vehicles equipped with **xDSG dual-clutch transmission**, this driveshaft may include additional features such as a **balancer weight** to minimize rotational imbalance, ensuring a quieter and more refined driving experience. Whether installed in a **luxury-oriented ML350** or a **performance-focused variant**, this driveshaft plays a vital role in maintaining the vehicle s dynamic handling, responsive acceleration, and long-term reliability. Replacement or upgrade with an **OEM-quality or aftermarket equivalent** is essential for preserving the integrity of the 4MATIC system, preventing drivetrain issues, and ensuring compliance with Mercedes-Benz engineering standards.

### Pros and Cons of Buying a 2012-2015 Mercedes-Benz ML350 (W166) with the Specified Front Driveshaft (Part Number A1664102301)

#### **Overview**

The 2012-2015 Mercedes-Benz ML350 (W166) is a mid-size luxury SUV known for its comfort, performance, and AMG-inspired power. The **A1664102301** is the front driveshaft (propeller shaft) for the **4Matic** system, which distributes power to all four wheels. This part is critical for the vehicle s drivetrain functionality, especially in models with permanent or part-time 4WD.

---

### **Pros of Owning a 2012-2015 ML350 (W166)**

1. **Luxury and Comfort**

- The ML350 offers a refined, upscale cabin with high-quality materials, quiet operation, and excellent ride comfort, making it ideal for long drives and daily use.

- Features like heated/ventilated seats, premium sound systems, and advanced climate control enhance the driving experience.

2. **Powerful Performance**

- The **3.5L V6 biturbo engine** (M276) produces **367-381 hp** and **406 lb-ft of torque**, providing strong acceleration and towing capability (up to **5,500 lbs** with the proper setup).

- The **7-speed automatic transmission** (7G-Tronic) is smooth and responsive, with good shift quality for a luxury SUV.

3. **4Matic All-Wheel Drive System**

- The **permanent 4Matic** system ensures balanced power distribution, improving traction in various conditions (wet, snow, or off-road light trails).

- The front driveshaft (A1664102301) is a key component in this system, allowing for reliable all-wheel performance.

4. **Reliability (Compared to Competitors)**

- While no car is perfect, the ML350 s V6 biturbo engine is generally more reliable than earlier turbocharged Mercedes engines (e.g., pre-2010 models with oil consumption issues).

- The **4Matic system** is robust, but proper maintenance is required to prevent drivetrain wear.

5. **Resale Value and Prestige**

- Mercedes-Benz retains strong resale value, and the ML350 is a desirable model among luxury SUV buyers.

- Owning a Mercedes carries prestige, which can be appealing for status-conscious buyers.

6. **Versatility**

- The ML350 can handle urban driving, highway cruising, and light off-roading (with optional **4Matic Dynamic** or **4Matic All-Terrain** settings).

- The **spacious interior** (seats 5-7, depending on configuration) makes it practical for families or road trips.

7. **Advanced Safety Features (for the Era)**

- Standard **ESP (Electronic Stability Program)**, **traction control**, and **multiple airbag systems** improve safety.

- Later models (2014-2015) included **adaptive cruise control** and **blind-spot monitoring**, which were premium features at the time.

8. **Aftermarket and Customization Options**

- The ML350 has a dedicated fanbase, leading to a wide range of aftermarket parts (performance chips, suspension upgrades, interior mods).

- Tuning companies (e.g., **Mercedes AMG Performance, JE Performance**) offer upgrades to boost power and refine drivability.

---

### **Cons of Owning a 2012-2015 ML350 (W166)**

1. **High Maintenance Costs**

- Mercedes-Benz vehicles are **expensive to maintain**, with labor costs often being the highest factor.

- The **turbocharged V6** requires **regular oil changes (every 5,000-7,500 miles)** to prevent carbon buildup and turbo failure.

- **4Matic drivetrain components** (including the front driveshaft) can wear out over time, leading to costly replacements.

2. **Common Engine and Transmission Issues**

- **Oil consumption** (especially in the **M276 V6**) is a known issue, requiring frequent top-ups or risking catastrophic engine damage.

- **Transmission (7G-Tronic) failures** can occur, particularly in higher-mileage examples, leading to **$3,000-$5,000 repair bills**.

- **Water pump and timing chain** failures are also reported, requiring **$1,500-$2,500 repairs** if neglected.

3. **Electrical Gremlins**

- Like many Mercedes, the ML350 suffers from **electrical system quirks** (glitches in infotainment, sensor failures, dashboard errors).

- **Infotainment system (COMAND)** can be slow or unresponsive, and updates are limited compared to newer models.

4. **Rust and Body Issues**

- The **W166 platform** is prone to **rust in wheel wells, rocker panels, and undercarriage**, especially in snowy or salted regions.

- **Panel gaps and paint quality** can degrade over time, requiring touch-ups.

5. **Fuel Economy is Average for a Luxury SUV**

- The **ML350 gets 18-20 MPG city / 24-26 MPG highway**, which is decent but not exceptional for a V6 turbocharged SUV.

- Higher trims (e.g., **ML350 4Matic Sport**) may have slightly worse efficiency due to heavier weight.

6. **Depreciation**

- While Mercedes retains value, the **ML350 does not hold value as well as some competitors** (e.g., BMW X5, Audi Q7) due to reliability concerns.

- Used prices can drop sharply after **100,000 miles**, especially if major repairs are needed.

7. **Front Driveshaft (A1664102301) Specific Concerns**

- **Clunking or rattling noises** (especially over bumps).

- **Vibration in the cabin** (indicating a worn or unbalanced shaft).

- **Difficulty engaging 4WD mode** (if the driveshaft is seized or damaged).

- **Replacement cost**: The **A1664102301 driveshaft** typically costs **$800-$1,500 installed**, depending on labor rates and whether OEM or aftermarket parts are used.

- **Lifespan**: With proper maintenance, it can last **100,000 miles**, but neglect can shorten it significantly.

8. **Limited Off-Road Capability**

- **Locking differentials** (common in BMW X5 or Audi Q7 off-road trims).

- **High ground clearance** (only **8.3 inches**).

- **Skid plates or reinforced undercarriage** for severe off-roading.

- Attempting **rock crawling or deep mud** can damage the driveshaft, suspension, or transmission.

9. **Noise and Wind Noise**

- Some owners report **excessive wind noise at highway speeds**, particularly in the **ML350 4Matic Sport** models.

- **Road noise** can be intrusive compared to newer, better-insulated Mercedes models.

10. **Recall and Warranty Issues**

- Some **2012-2015 ML350s** may have **unresolved recalls** (e.g., **airbag, brake, or transmission issues**), which can be a red flag if the seller hasn t addressed them.

- **Extended warranties** are often recommended but add to the cost.

---

### **Key Considerations Before Buying**

1. **Budget for Maintenance**

- Factor in **$1,500-$3,000/year** for routine maintenance (oil changes, fluid replacements, inspections).

- **Emergency fund** of **$5,000-$10,000** is wise for unexpected repairs (transmission, engine, driveshaft).

2. **Check the Front Driveshaft (A1664102301) Condition**

- **Listen for clunks or vibrations** when accelerating or shifting into 4WD.

- **Inspect for leaks** around the driveshaft joints (indicating worn seals).

- **Test drive on rough roads** to check for excessive play or noise.

- If the driveshaft is **worn or damaged**, the repair cost may outweigh the vehicle s value.

3. **Service History is Critical**

- A **well-documented service history** (especially for **oil changes, transmission fluid, and 4Matic maintenance**) is a **must**.

- **Avoid cars with

Details:

TRANSMISSION: 7-SPEED AUTOMATIC 7G-TRONIC. MILEAGE: 149K MILES. BODY TYPE: SPORT UTILITY 4-DOOR SUV. DRIVE TYPE: ALL WHEEL AWD / 4MATIC.

part #: a1664102301 prices

• $99.60-$389.00

specifications universajoin:

• for models: Ml350, W166, 4matic
• for makes: Mercedes
• for years: 2012-2015
• mpn: A1664102301
• vintage part: No
• type: Driveshaft
• transmission type: Automatic
• placement on vehicle: Front

offer universajoin:

• started: May 18, 2026
• quantity: 1
• availability: In Stock
• options: Ship-to-home
• best offers: True
• sold: 0

payments universajoin:

• credit card: Discover
• other
• wallet: Apple-pay

general universajoin:

• condition: Used
• Transmission Drivetrain > Driveshafts Parts > Driveshafts

returns universajoin:

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

seller universajoin:

• city: Kingsley, Michigan
• rating: 99.9%
• # reviews: 63653

shipping universajoin:

• type: Fixed
• class: Standard
• transit: 3-9 Days
• cost: $0.00
• service: Standard

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