MERCEDES 140-250-04-02-80 Convertor Benz

( Model: CL500 S420 SL500 ), ( Oem Part Number: 140-250-04-02-80 ), ( Year: 1995 1996 1997 1998 1999 ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Genuine Oem: Yes ), ( Make: Mercedes-benz ), ( Replaces Part Number: 1402500402, 140250040260, 140250040288 ), ( UPC: 140250040280 )

Review MERCEDES benz Genuine Remanufactured Convertor fits CL500 1995–1999

The **Mercedes-Benz 140-250-04-02-80** is a meticulously engineered automatic transmission fluid converter, specifically designed for select models within the Mercedes-Benz M104 and M105 engine families, which include iconic vehicles such as the W123, W124, and early W201 generations. This transmission fluid converter is a critical component in maintaining the optimal performance, longevity, and reliability of the vehicle s automatic transmission system, particularly the **4G-Tronic** or **4-speed automatic transmissions** found in these models. Crafted with precision, this converter is built to withstand the demanding conditions of high torque loads, frequent gear shifts, and extended periods of operation, ensuring seamless power transfer from the engine to the drivetrain. Its robust construction incorporates a high-quality **stamped steel housing** with reinforced welds, designed to resist deformation under heavy mechanical stress while maintaining structural integrity over time. The internal components, including the **torque converter clutch (TCC)**, **pump assembly**, and **stator**, are engineered to deliver exceptional efficiency, reducing energy loss and improving fuel economy without compromising on power delivery. The converter s **hydraulic system** is finely tuned to provide smooth acceleration and deceleration, minimizing jerkiness during shifts and enhancing the overall driving experience. Additionally, this converter is compatible with **Mercedes-Benz ATF 252.14** or **Mercedes-Benz ATF 252.15**, ensuring optimal lubrication and cooling of the transmission components, which is essential for preventing overheating and wear. Whether installed in a classic Mercedes-Benz sedan, a rugged station wagon, or a performance-oriented model, the **140-250-04-02-80** converter exemplifies Mercedes-Benz s commitment to engineering excellence, blending durability with cutting-edge automotive technology to deliver a transmission system that remains as legendary as the vehicles it powers.

### **Pros and Cons of Buying a Mercedes-Benz 140-250-04-02-80 Transmission (Type 722.6 or 722.60) Convertor**

The **Mercedes-Benz 140-250-04-02-80** refers to a **7-speed automatic transmission (722.6 or 722.60)** found in models like the **E-Class (W212/W213), C-Class (W205), S-Class (W222), and others** from around **2011 2018**. This transmission is known for its **torque converter-based design**, which differs from the later **7G-Tronic (dual-clutch) models**. Below is a detailed breakdown of its advantages and disadvantages.

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### **Pros of the 140-250-04-02-80 Transmission**

1. **Proven Reliability in Early Models**

- The **722.6** was Mercedes first **7-speed automatic** and was well-engineered for its time, offering smooth shifts in properly maintained vehicles.

- Many owners report **fewer shift-related issues** compared to later transmissions if it was **regularly serviced** (fluid changes, valve body servicing).

2. **Better for High-Torque Applications**

- Unlike some dual-clutch transmissions (e.g., 7G-Tronic), the **torque converter-based system** handles **high torque loads** (e.g., AMG, diesel engines) better without clutch wear concerns.

- The **converter multiplies torque** during launch, making it suitable for **performance-oriented models** (e.g., E55 AMG, C63).

3. **Lower Maintenance Costs (Compared to Dual-Clutch)**

- **No clutch plates or dual dry clutches** mean **no expensive clutch replacements** (a common issue in 7G-Tronic models).

- **Fluid changes every 60,000 100,000 km** (if done properly) can extend its life significantly.

4. **Smooth Shifting in Good Condition**

- When **properly serviced**, this transmission delivers **seamless upshifts and downshifts**, especially in **lower gear ranges**.

- **No clutch chatter or hesitation** (unlike some dual-clutch transmissions).

5. **Widely Available Parts & Mechanics**

- Being an **older but still common transmission**, **parts (solenoids, pumps, torque converter)** are **easier to source** than rare or discontinued components.

- **More mechanics familiar with it** compared to newer, less common transmissions.

6. **Good for Towing (When in Good Condition)**

- The **torque converter provides better torque multiplication** than a dual-clutch system, making it **more capable for towing** (if the vehicle s drivetrain supports it).

- **No sudden clutch engagement** like in some dual-clutch transmissions when under heavy load.

7. **Lower Risk of Electronic Failures (Compared to Later Models)**

- Early **722.6 transmissions** had **simpler electronics** than later models, reducing the risk of **software glitches or control module failures**.

---

### **Cons of the 140-250-04-02-80 Transmission**

1. **Torque Converter Slippage & Overheating**

- The **torque converter is a common weak point**, especially in **high-performance or heavily loaded vehicles**.

- **Slippage** (loss of power) can occur if the **fluid is old or degraded**, leading to **poor acceleration and overheating**.

- **No "lock-up" clutch** in all gears (unlike some modern automatics), meaning **constant converter slip** in some driving conditions, increasing fuel consumption.

2. **Expensive Repairs if Neglected**

- **Ignoring fluid changes** leads to **valve body failure, pump wear, and converter slippage**, which can cost **$2,000 $4,000 ** to repair.

- **Torque converter replacement alone** can run **$1,500 $2,500** (labor-intensive due to transmission removal).

3. **Shift Solenoid & Valve Body Failures**

- **Shift solenoids and the valve body** can fail over time, causing **rough shifts, delayed engagement, or stuck gears**.

- **Diagnosing electronic issues** can be tricky, requiring **specialized scan tools** and **Mercedes-specific programming**.

4. **Higher Fuel Consumption Than Dual-Clutch (7G-Tronic)**

- Due to **constant torque converter slip**, it **burns more fuel** than a **dual-clutch transmission** (which locks up earlier).

- **Not as efficient** as later **7G-Tronic models** in city driving.

5. **Slower Shift Speeds in Higher Gears**

- The **722.6 is not as quick-shifting** as a **dual-clutch transmission** (e.g., 7G-Tronic in S-Class).

- **Upshifts can feel delayed** compared to modern automatics.

6. **Potential for Internal Wear (Pump, Bearings, Gears)**

- **Pump failure** (leading to low pressure) is a **common failure mode**, requiring **transmission rebuilds**.

- **Gear and bearing wear** can occur if **fluid is not changed regularly**.

7. **Less Common in Newer Models (Limited Support)**

- Mercedes **phased out the 722.6** in favor of **7G-Tronic (dual-clutch)** in later models (post-2018).

- **Fewer mechanics specialize in it**, making repairs **more difficult to find** in some regions.

8. **Potential for Electronic Control Unit (ECU) Issues**

- **Software updates** for the **transmission control module (TCM)** can be **limited or unavailable** for older models.

- **Adaptive learning failures** (where the transmission "forgets" proper shift patterns) can occur if **not reset properly**.

9. **Not as Durable as Some Dual-Clutch Transmissions**

- While **not as fragile as early 7G-Tronics**, it **does not last as long as well-maintained dual-clutch transmissions** in some cases.

- **Average lifespan: 150,000 250,000 km** if **properly maintained**; **much less if neglected**.

10. **Higher Initial Cost of Ownership (If Buying Used)**

- **Used 722.6 transmissions** can be **expensive to replace** if they fail, especially in **high-mileage or abused vehicles**.

- **Rebuilt units** are available but **not as reliable as new dual-clutch transmissions**.

---

### **Conclusion & Recommendation**

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

- You **prioritize reliability in a well-maintained vehicle** (with **proven service history**).

- You **drive mostly highway** (where torque converter slip is less noticeable).

- You **have access to a mechanic familiar with Mercedes automatics**.

- You **prefer a smoother, more traditional automatic** over a dual-clutch system.

- You **plan to keep the vehicle for 150,000 km** and **budget for fluid changes every 60,000 km**.

- You **drive a high-torque model** (e.g., AMG, diesel) where a dual-clutch might struggle.

- You **cannot afford regular transmission fluid changes** (critical for longevity).

- You **drive aggressively or tow frequently** (increases wear on the converter and pump).

- You **prefer modern shift quickness** (dual-clutch transmissions shift faster).

- You **live in an area with limited Mercedes transmission specialists**.

- The **vehicle has a history of neglect** (check for **burnt fluid, slippage, or rough shifts**).

- You **plan to keep the car long-term without budgeting for a potential $2,000 repair**.

#### **Best Practices for Ownership**

1. **Always use Mercedes-spec transmission fluid (e.g., MB 236.14 or MB 236.15)** **never generic ATF**.

2. **Change fluid every 60,000 80,000 km** (or **every 4 years**, whichever comes first).

3. **Get a transmission flush every 100,000 km** to remove contaminants.

- **Slipping when accelerating** (converter issue).

- **Rough or delayed shifts** (valve body/solenoid failure).

- **Overheating** (poor fluid condition).

5. **Consider a transmission rebuild if it s over 200,000 km** (if fluid has been changed regularly).

6. **Avoid "quick fixes" like cheap rebuilds** **stick with OEM or high-quality aftermarket parts**.

#### **Final Recommendation**

- **If buying used:** **Inspect the transmission

Details:

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

part #: cl500 prices

• $1233.63-$1932.13

specifications torquconv:

• for makes: Mercedes
• for years: 1995-1999
• model: Cl500 S420 Sl500
• oem part number: 140-250-04-02-80
• year: 1995 1996 1997 1998 1999
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• genuine oem: Yes
• make: Mercedes-benz
• replaces part number: 1402500402, 140250040260, 140250040288
• upc: 140250040280

seller torquconv:

• rating: 99.3%
• city: Farmington, Utah
• # reviews: 1452

payments torquconv:

• credit card: Discover
• other
• wallet: Paypal

general torquconv:

• Car Truck Parts Accessories > Transmission Drivetrain > Torque Converters
• condition: Remanufactured

returns torquconv:

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

shipping torquconv:

• cost: $14.00
• type: Fixed
• class: Standard, One-day
• transit: 4-6 Days
• carrier: FedEx
• service: FedEx Ground / FedEx Home Delivery, Overnight

offer torquconv:

• options: Ship-to-home
• sold: 0
• quantity: 2
• availability: In Stock
• started: June 12, 2026

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