MERCEDES A1662707201 Automatic Transmission Benz X166 GL63

( Manufacturer Part Number: A1662707201 ), ( Type: Automatic Transmission ), ( Items Included: Torque Converter ), ( Country Of Origin: Germany )

Review MERCEDES benz Automatic Transmission Oem fits W166 ML63 AMG AWD 2014–2016

The **Mercedes-Benz AMG A 166.270-7201 (2014 2016) X166 W166 ML63 GL63 AMG AWD** is a masterclass in high-performance luxury, blending razor-sharp handling, cutting-edge engineering, and the unmistakable prestige of the Mercedes-Benz AMG badge. This model represents the pinnacle of the **ML63** lineup, a vehicle designed for those who demand both exhilarating performance and the refined comfort of a full-size luxury SUV. Under the hood, the **4.7-liter supercharged V8 engine** (M177) roars to life, producing a staggering **469 horsepower** and **516 lb-ft of torque**, propelling the **X166** from 0-60 mph in just **4.5 seconds** a feat that underscores its aggressive yet balanced nature. The **7-speed automatic transmission**, paired with the **AMG SPEEDSHIFT PLUS** system, ensures seamless gear shifts, while the **AMG Dynamic Select** allows drivers to toggle between **Comfort, Auto, Sport, and Individual** driving modes, tailoring the vehicle s responsiveness to their preferences.

The **ML63 GL63 AMG** is not merely a fast SUV; it is a statement of engineering prowess, featuring **all-wheel drive (AWD)** with an **AMG Traction Plus** system that optimizes power distribution for unparalleled grip and stability, even in challenging conditions. The **adaptive air suspension** adjusts ride height and damping in real-time, providing a smooth yet sport-tuned ride over rough terrain while maintaining sharp cornering capabilities. Inside, the cabin is a symphony of luxury and technology, with **full leather upholstery**, **aluminum trim**, and **AMG-specific badging** that elevates the standard ML s already opulent interior. The **12.3-inch AMG Curved Display** and **AMG Performance Cockpit** offer a futuristic interface, while the **AMG Driver s Package** includes a **sport steering wheel**, **AMG pedals**, and **adjustable seat ventilation** for both driver and passenger.

Externally, the **ML63 GL63 AMG** exudes a commanding presence with its **aggressive front grille**, **AMG kidney grille**, and **LED headlights** that cut through the dark with precision. The **aerodynamic body kit**, including a **rear diffuser** and **AMG rear spoiler**, enhances downforce at high speeds, while the **19-inch AMG alloy wheels** (optional 20-inch wheels on later models) complement the vehicle s sporty stance. The **AMG Performance Package** further refines the driving experience, offering upgrades such as **stiffer suspension**, **sport-tuned exhaust**, and **AMG-specific brake calipers** for enhanced stopping power.

Beyond its raw performance, the **ML63 GL63 AMG** is a versatile machine, capable of handling everything from city commutes to off-road adventures, thanks to its **AMG Off-Road Mode** and **hill descent control**. The **AMG Performance Package** also includes **adaptive dampers**, **sport-tuned exhaust**, and **AMG-specific brake rotors**, ensuring that every drive feels purposeful and engaging. Whether navigating a winding mountain road or cruising along a highway, this SUV delivers a perfect harmony of power, precision, and prestige, making it a legendary choice for enthusiasts who refuse to compromise on either luxury or performance.

### **Pros and Cons of Buying a 2014 2016 Mercedes-Benz AMG (W166/X166) ML63/GL63/AMG AWD (V8 Biturbo, 4MATIC )**

The **Mercedes-Benz W166/X166** (ML63, GL63, and AMG X166) is a high-performance luxury SUV/coupe built on the **ML63 (ML63 AMG) and GL63 (GL63 AMG) chassis**, featuring a **5.5L V8 biturbo engine (M177), 4MATIC all-wheel drive, and a 7-speed automatic transmission**. This model is known for its **speed, luxury, and AMG tuning**, but it also comes with notable drawbacks. Below is a detailed breakdown of its strengths and weaknesses.

---

### **Pros**

1. **Exceptional Power and Performance**

- The **5.5L V8 biturbo (M177)** produces **503 513 hp (ML63) and 513 525 hp (GL63 AMG)** with **516 525 lb-ft of torque**, making it one of the fastest production SUVs of its time.

- **0-60 mph in 3.8 4.2 seconds** (depending on model year and tuning).

- **All-wheel drive (4MATIC )** provides excellent traction in all conditions, though it adds weight and complexity.

- **AMG-tuned suspension** offers a **sporty, responsive ride** with sharp steering and precise handling.

2. **Luxury and Interior Quality**

- **Premium materials** (leather, wood, aluminum, and high-quality plastics) in the cabin.

- **Spacious and comfortable seating** for five (or seven in GL63), with **heated/ventilated seats** in higher trims.

- **Advanced infotainment** (MBUX in later models, but earlier ones have **COMAND system with navigation, Bluetooth, and USB ports**).

- **AMG-specific interior upgrades** (sport seats, carbon fiber accents, AMG badging, and a **dual-clutch automatic transmission** in some models).

3. **AMG Tuning and Exclusivity**

- The **W166/X166 is one of the last true AMG V8 models** before the shift to hybrid/electric powertrains.

- **High-performance exhaust note** and **aggressive styling** (LED headlights, AMG kidney grilles, and aerodynamic bodywork).

- **Aftermarket tuning potential** (e.g., **AMG Performance Parts, BMS, or Stage 2 tuning** can push power to **600 hp**).

4. **Reliability (Compared to Other AMGs of the Era)**

- The **M177 V8 is a robust engine** when maintained properly (oil changes, cooling system checks, and timing belt replacement).

- **Transmission (7G-Tronic or 7G-DCT in AMG models)** is smooth but can be **expensive to repair** if it fails.

- **AWD system (4MATIC )** is reliable but adds complexity and potential failure points.

5. **Resale Value (For a Used AMG)**

- AMG models, especially **limited editions (e.g., ML63 S, GL63 S)**, hold their value better than many luxury SUVs.

- **Low mileage examples** (under 50,000 miles) can still command **high prices** due to demand.

6. **Safety and Stability**

- **Standard stability control, multiple airbags, and advanced braking systems**.

- **AWD provides better control in snow/rain** compared to RWD models.

---

### **Cons**

1. **High Maintenance Costs**

- **AMG-specific repairs** (e.g., **turbochargers, intercoolers, suspension components**) are **far more expensive** than a standard Mercedes.

- **Oil changes should be done every 5,000 7,500 miles** (AMG recommends **5,000 miles** for the V8).

- **Cooling system failures** (water pump, thermostat, hoses) are common and **costly to fix**.

- **Transmission issues** (7G-Tronic can develop **slippage or rough shifts** over time; DCT in AMG models is **more reliable but still expensive to repair**).

2. **Fuel Consumption and Running Costs**

- **MPG is poor** ( 12 15 city / 16 18 highway).

- **High fuel costs** (V8 biturbo drinks **premium unleaded** and **diesel is not an option**).

- **Tires and brakes** wear out quickly due to **aggressive driving and heavy weight**.

3. **Weight and Handling Trade-offs**

- The **W166/X166 is heavy** ( 5,000 5,500 lbs), which **reduces agility** compared to lighter AMG coupes (e.g., C63).

- **Rear-wheel bias** (even with AWD) can make it **less nimble in tight corners**.

- **Suspension settles into a soft ride** at highway speeds, sacrificing sportiness for comfort.

4. **Infotainment and Tech Limitations**

- **Early models (2014 2015) have outdated COMAND systems** (slow, limited connectivity, no Apple CarPlay/Android Auto).

- **Later models (2016) introduced MBUX**, but even these can be **glitchy and slow**.

- **No wireless charging, poor rear-seat tech, and limited USB ports** compared to modern luxury SUVs.

5. **Reliability Concerns Over Time**

- **Turbocharger failures** (common in high-mileage examples).

- **Water pump and thermostat failures** (critical for preventing engine damage).

- **4MATIC AWD system can fail**, leading to **loss of traction or electrical issues**.

- **Electrical gremlins** (e.g., **sensor failures, infotainment crashes, power window malfunctions**).

6. **Depreciation and Market Saturation**

- **AMG V8 models are no longer in production**, meaning **parts and service support may decline** over time.

- **High demand but oversupply** of used examples can **drive prices down** for poorly maintained units.

- **Newer hybrid/electric AMGs (e.g., GLE 53, EQC) are more efficient and modern**, reducing interest in this generation.

7. **Noise and Comfort Issues**

- **Wind and road noise** are noticeable at highway speeds.

- **Vibration through the pedals** (common in V8 AMGs due to torque).

- **Seats are comfortable but not as supportive as in a sports car**.

---

### **Conclusion**

The **2014 2016 Mercedes-Benz W166/X166 (ML63/GL63 AMG)** is a **fantastic machine for enthusiasts who want a fast, luxurious, and AMG-tuned SUV/coupe**. It delivers **unmatched power, driving dynamics, and exclusivity**, making it a **joy to drive** for those who prioritize performance over practicality.

- **High maintenance costs** (especially for AMG-specific parts).

- **Poor fuel economy and expensive running costs**.

- **Reliability risks** (turbochargers, cooling system, transmission).

- **Outdated tech and comfort compromises** compared to newer luxury SUVs.

**If you find a well-maintained example (under 60,000 miles, full service history, no turbo/cooling issues), it can be a fantastic buy.** But **budget for repairs** this is not a "set-and-forget" car.

For **daily driving**, a **newer hybrid AMG (e.g., GLE 53, GLC 43 4MATIC) or a used luxury SUV with better reliability (e.g., BMW X5, Audi Q7) may be a smarter choice**. However, if you **love AMG V8s and want a track-capable luxury SUV**, the W166/X166 remains a **timeless and thrilling option**.

---

### **Final Recommendation**

You **prioritize raw power and driving excitement** over practicality.

You **have experience with high-performance cars** and can **budget for maintenance**.

You **find a low-mileage example (under 50K miles) with a full service record**.

You **plan to keep it for a short term (5 7 years) before potential reliability issues arise**.

You **enjoy AMG tuning and aftermarket modifications**.

You **need a reliable, low-maintenance daily driver**.

You **can t afford unexpected repairs** (turbo, transmission, cooling system).

You **prefer modern tech** (Apple CarPlay, wireless

Details:

2014 2016 Mercedes X166 W166 ML63 GL63 AMG AWD AUTOMATIC TRANSMISSION OEM. Item will come as pictured. CAME OFF A 2015 GL63 WITH 127K MILES.

part #: a1662707201 prices

• $209.99-$1079.99

specifications autotransmissionsgo:

• for models: W166, Ml63, Amg, Awd
• for makes: Mercedes
• for years: 2014-2016
• mpn: A1662707201
• type: Automatic Transmission
• items included: Torque Converter
• country of origin: Germany

general autotransmissionsgo:

• condition: Used
• Car Truck Parts Accessories > Transmission Drivetrain > Automatic Transmission

seller autotransmissionsgo:

• # reviews: 500
• rating: 100.0%
• city: Elk Grove, California

shipping autotransmissionsgo:

• class: Freight
• service: Flat Rate Freight
• cost: $300.00
• type: Fixed

payments autotransmissionsgo:

• wallet: Paypal
• credit card: Mastercard
• other

offer autotransmissionsgo:

• sold: 0
• quantity: 1
• options: Ship-to-home
• started: May 24, 2026
• availability: In Stock

returns autotransmissionsgo:

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

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