1. Automatic Transmissions Products
  2. sku: 23625067264588604
  3. MERCEDES G550

MERCEDES 463-270-79-00-80 Automatic Transmission Benz

fits make: Mercedes. year: 2017–2018.

463-270-79-00-80 Mercedes-benz Genuine Remanufactured Automatic Transmission

( Model: G550 G550 4X4 ), ( Part Type: Transmission ), ( Genuine Oem: Yes ), ( Oem Part Number: 463-270-79-00-80 ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Make: Mercedes-benz ), ( Year: 2017 2018 ), ( Parts Included: Only Part Reference 0 On The Diagram Is Included ), ( UPC: 463270790080 )

Review MERCEDES benz Genuine Remanufactured Automatic Transmission fits G550 2017–2018

The **Mercedes-Benz 463-270-79-00-80 automatic transmission** is a high-performance, precision-engineered hydraulic unit designed exclusively for select high-end Mercedes-Benz vehicles, particularly those equipped with the legendary **M117/M118 V8 engines** found in models like the **S-Class (W221/W222), E-Class (W212/W213), and the iconic 500 SEL/500 S**. This transmission represents the pinnacle of Mercedes-Benz s transmission technology, combining cutting-edge fluid dynamics, robust mechanical construction, and advanced electronic control systems to deliver seamless, responsive shifting with unmatched reliability. Built to exacting specifications, this **7-speed automatic transmission** features a **torque converter with lock-up clutch**, allowing for efficient power transfer and improved fuel economy while maintaining the exhilarating drive dynamics expected from a Mercedes-Benz. The transmission s **multi-plate wet clutch packs** and **planetary gear sets** are engineered for durability, capable of handling the substantial torque outputs of the V8 engines often exceeding **500 Nm (369 lb-ft)** without compromising smoothness or longevity. Its **electronic control module (ECM)** integrates seamlessly with the vehicle s broader powertrain management system, enabling adaptive shift programming, launch control, and even predictive shifting based on driving conditions, ensuring a near-instantaneous and effortless driving experience. The transmission fluid used typically **Mercedes-Benz ATF MB 236.14 or MB 236.15** is formulated to withstand extreme temperatures and high pressures, reducing wear and preventing slippage, even under the most demanding driving scenarios. Whether installed in a **luxury sedan, a high-performance executive coupe, or a limited-edition special model**, this transmission embodies Mercedes-Benz s commitment to blending cutting-edge technology with timeless craftsmanship, ensuring both performance and enduring reliability for discerning drivers who demand nothing less than excellence.

### **Pros and Cons of Buying a Mercedes-Benz 463.270.79.00-80 Automatic Transmission**

The **Mercedes-Benz 463.270.79.00-80** is a **7-speed automatic transmission** (often referred to as the **7G-Tronic**) used in various Mercedes-Benz models, including the **C-Class, E-Class, and S-Class** (depending on the generation). Below is a detailed analysis of its advantages and disadvantages.

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### **Pros**

1. **Smooth and Responsive Shifting**

- The 7G-Tronic is known for its **precise and near-instantaneous gear shifts**, providing a **luxury driving experience** with minimal lag.

- Uses **dual-clutch technology** (in some variants) for **faster acceleration** compared to traditional torque-converter automatics.

2. **High Durability (When Maintained Properly)**

- When **correctly serviced and driven within limits**, this transmission can last **150,000 250,000 miles** or more.

- Mercedes has **improved reliability** in later iterations (post-2010 models) compared to earlier versions.

3. **Compatibility with High-Performance Engines**

- Designed to handle **turbocharged and high-torque engines** (e.g., V6, V8, and some diesel models) without excessive strain.

- Works well with **Mercedes AMG performance variants** when properly tuned.

4. **Electronic Shift Control & Adaptive Learning**

- Features **adaptive shift programming** that learns driver preferences over time.

- Allows for **manual shift modes (M1, M2, M3, M4)** for better control.

5. **Lower Fuel Consumption (Compared to Older Automatics)**

- More efficient than older **5-speed or 6-speed torque-converter automatics**, especially in **hybrid or mild-hybrid systems** (e.g., BlueEFFICIENCY models).

6. **Common in Luxury Mercedes Models**

- Widely available in **E-Class, CLS, and S-Class** (depending on the year), making **parts and mechanics more accessible** than niche transmissions.

7. **Potential for Retuning & Upgrades**

- Some mechanics offer **transmission retuning** to improve shift quality and performance.

- Aftermarket **ECU tuning** can enhance responsiveness in high-performance applications.

---

### **Cons**

1. **Complexity & Repair Costs**

- One of the **most expensive transmissions to repair** in Mercedes-Benz history due to its **dual-clutch and electronic components**.

- **Labor costs** are high, and **OEM parts** (from Mercedes) are **very expensive** (often **$1,500 $3,000 ** for a single part).

2. **Electronic Failures & Software Issues**

- Prone to **electrical or software glitches**, leading to **erratic shifting, delayed engagement, or complete failure**.

- Requires **diagnostic tools (e.g., Mercedes STAR or equivalent)** to properly diagnose and fix issues.

3. **Sensitivity to Driving Habits**

- **Aggressive driving (hard launches, excessive revving, towing)** can **accelerate wear** and lead to **premature failure**.

- **Lack of proper fluid changes** (every **60,000 100,000 miles**) can cause **clutch and solenoid damage**.

4. **Common Failure Points**

- **Dual-clutch packs** (if applicable) can wear out over time.

- **Solenoids and valves** fail due to **contaminated fluid or electrical issues**.

- **Torque converter (in some variants)** can overheat and fail, leading to **hard shifts or no engagement**.

5. **Limited Aftermarket Support**

- Unlike **ZF 8HP or 9HP transmissions**, the **7G-Tronic has fewer aftermarket parts and tuners**.

- **Remanufactured units** are available but **less reliable** than OEM replacements.

6. **Depreciation & Market Value**

- Older models (pre-2015) with this transmission **lose value faster** due to **known reliability concerns**.

- **Buying used** requires **extensive inspection** (fluid check, shift quality, error codes).

7. **Potential for "False Failures"**

- Some issues (e.g., **stuck solenoids, bad sensors**) can be **misdiagnosed** as transmission failure when they re actually **electrical or software-related**.

---

### **Conclusion & Recommendation**

#### **Who Should Buy a Vehicle with This Transmission?**

**Ideal for:**

- **Luxury-focused buyers** who prioritize **smooth shifting and driving comfort** over extreme longevity.

- **Owners who plan to keep the vehicle for 100,000 miles** and **budget for maintenance** (proper fluid changes, timely repairs).

- **Those who can afford high repair costs** (or have **Mercedes dealership access**).

- **Drivers who avoid aggressive towing or high-performance modifications**.

**Not Ideal for:**

- **Budget-conscious buyers** who cannot afford **$2,000 $5,000 repairs** when issues arise.

- **Heavy-duty users** (e.g., frequent towing, off-roading, or high-performance tuning).

- **Those who dislike dealing with complex electronics** (frequent error codes, diagnostic needs).

- **Buyers who want a "set-and-forget" transmission** (this one requires **vigilant maintenance**).

#### **Best Practices if Purchasing a Used Vehicle with This Transmission**

1. **Check Transmission Fluid** Should be **reddish-brown (not black or burnt-smelling)**. **Fluid changes every 60,000 100,000 miles** are **critical**.

2. **Test Drive for Shifts** Listen for **clunks, delays, or harsh engagements**. **Smooth shifts in all gears** are a good sign.

3. **Run a Diagnostic Scan** Use an **OBD-II scanner** (or Mercedes-specific tool) to check for **error codes (e.g., P0740, P0750, P0770)**.

4. **Inspect for Leaks** Check for **fluid leaks around the transmission mount, cooler lines, or seals**.

5. **Verify Maintenance History** Ensure **regular fluid changes and service records** are available.

6. **Consider a Pre-Purchase Inspection (PPI)** A **Mercedes specialist** should inspect it before buying.

7. **Budget for Contingencies** Set aside **$3,000 $5,000** for potential repairs in the first **50,000 100,000 miles**.

#### **Final Recommendation**

- **If you can afford the maintenance and repairs**, the **Mercedes-Benz 463.270.79.00-80 transmission** offers **excellent shift quality** and **luxury performance** in a well-maintained vehicle.

- **If you re on a tight budget or plan to modify the car aggressively**, consider **alternative transmissions** (e.g., **ZF 8HP, 9HP, or a well-maintained 7G-DCT** in non-Mercedes applications).

- **For maximum reliability**, look for **later-model (2015 ) vehicles** with **full service records** and **no known transmission issues**.

**Best Alternative Considerations:**

- **ZF 8HP/9HP** (more durable, better aftermarket support, but less "Mercedes-specific" feel).

- **Used vehicles with fewer miles** (under **100,000 miles**) and **proven maintenance history**.

- **Hybrid models** (if fuel efficiency is a priority, as some 7G-Tronic variants work with mild-hybrid systems).

**Bottom Line:** This transmission is **great for the right owner** one who values **driving pleasure over bulletproof longevity** and can **handle the costs when things go wrong**. For most average buyers, **a ZF-based transmission or a well-maintained older automatic** may be a **more practical choice**.

Details:

Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Parts must be resalable and in the original packaging. Electrical parts are not returnable.

part #: g550 price

  • $8760.00

specifications autotransmissionsgo:

  • for makes: Mercedes
  • for years: 2017-2018
  • model: G550 G550 4x4
  • part type: Transmission
  • genuine oem: Yes
  • oem part number: 463-270-79-00-80
  • manufacturer warranty: 1 Year
  • fitment type: Direct Replacement
  • make: Mercedes-benz
  • year: 2017 2018
  • parts included: Only Part Reference 0 On The Diagram Is Included
  • upc: 463270790080

returns autotransmissionsgo:

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

payments autotransmissionsgo:

  • other
  • credit card: Mastercard
  • wallet: Paypal

offer autotransmissionsgo:

  • options: Ship-to-home
  • availability: In Stock
  • started: April 26, 2026
  • sold: 0
  • quantity: 2

seller autotransmissionsgo:

  • rating: 98.5%
  • # reviews: 189
  • city: Laguna Niguel, California

shipping autotransmissionsgo:

  • type: Fixed
  • class: Freight
  • cost: $750.00
  • service: Flat Rate Freight

general autotransmissionsgo:

  • condition: New
  • Car Truck Parts Accessories > Transmission Drivetrain > Automatic Transmission
for makes: mercedes, for years: 2017-2018, part type: transmission, genuine oem: yes, oem part number: 463-270-79-00-80, manufacturer warranty: 1 year, fitment type: direct replacement, year: 2017 2018, parts included: only part reference 0 on the diagram is included,
manufacturer: mercedes-benz, category: auto parts > car truck parts accessories > transmission drivetrain > automatic transmission, sku: 23625067264588604,
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