MERCEDES A2463705403 Transmission Benz 724016 K7X475
fits model: Cla45, Amg. make: Mercedes. year: 2015–2019.
( Manufacturer Part Number: A2463705403 ), ( Type: Automatic Transmission ), ( Oe/oem Part Number: R2463715800, A2463704703 )
Review MERCEDES benz Transmission fits CLA45 AMG 2015–2019
The **Mercedes-Benz A2463705403 (2015 2019) CLA 45 AMG Transmission (724016 K7X475)** is a high-performance, precision-engineered automatic transmission designed exclusively for the **Mercedes-AMG CLA 45**, a sporty, high-revving coupe that delivers exhilarating performance with a blend of luxury and cutting-edge technology. This transmission is a **7-speed dual-clutch automatic (7G-DCT)**, a sophisticated powerhouse that seamlessly integrates with the **3.0L inline-6 biturbo engine** (M139) producing **385 405 horsepower**, depending on the model year, to deliver rapid, near-instantaneous gear shifts with minimal lag. The **724016 K7X475** designation refers to a specific variant of the **7G-DCT**, optimized for the CLA 45 AMG s aggressive driving dynamics, offering a sport-tuned shift strategy that prioritizes responsiveness and precision over traditional smoothness, making it ideal for both spirited driving and track use.
Built to Mercedes-Benz s exacting standards, this transmission features a **dual-clutch system** with two separate clutches one for odd gears and another for even gears allowing for ultra-fast, near-synchronous shifts that rival those of a manual transmission. The **wet-clutch design** ensures durability and reliability under high-stress conditions, while the **aluminum housing** and **high-strength steel components** contribute to a lightweight yet robust construction, enhancing overall performance and efficiency. The **electronic control unit (ECU)** manages shift logic, torque management, and adaptive learning, allowing the transmission to adapt to driving style over time for optimized performance. Whether accelerating from a standstill or transitioning through high-speed overtakes, the **7G-DCT** delivers a **sporty, engaging feel** with minimal hesitation, making every gear change feel deliberate and powerful.
This transmission is also engineered with **Mercedes-AMG s performance tuning** in mind, featuring a **stiffer torque converter** and **optimized shift solenoids** to handle the aggressive power delivery of the CLA 45 AMG s engine. The **K7X475** variant is particularly notable for its **enhanced durability and robustness**, making it a sought-after component for both original-equipment replacement and high-performance modifications. It is compatible with the **CLA 45 AMG (W205) models from 2015 to 2019**, including those equipped with the **AMG Performance Package**, which further refines the transmission s responsiveness. Whether restoring a classic CLA 45 AMG or upgrading an existing unit, this transmission ensures a **smooth yet spirited driving experience**, bridging the gap between luxury and raw performance with unmatched precision.
For those seeking a **direct-fit, high-quality replacement**, this **A2463705403 transmission** is a critical component that maintains the integrity of the CLA 45 AMG s legendary driving dynamics. Its **sealed, factory-original condition** (when new) ensures compatibility with the vehicle s **AMG-tuned suspension, exhaust, and powertrain**, delivering the same level of performance and reliability as the original equipment. Whether used in a **restomod project, accident replacement, or routine maintenance**, this transmission is a **cornerstone of the CLA 45 AMG s identity**, offering a perfect blend of **speed, control, and Mercedes-Benz engineering excellence**.
### **Pros and Cons of Buying a 2015 2019 Mercedes-Benz CLA45 AMG (W205) with 724016 km (724,016 miles) and 7G-Tronic 724.016 Transmission (K7X475 Engine)**
#### **Pros**
1. **Performance and Driving Dynamics**
The CLA45 AMG is a high-performance compact luxury coupe with a 3.0L inline-six turbocharged engine (K7X475) producing around **400 429 hp** (depending on the year and tuning). It delivers sharp acceleration (0 60 mph in 4.5 seconds) and precise handling, making it a fun car for spirited driving. The AMG-tuned suspension and lightweight construction enhance agility, though it retains the CLA s compact size.
2. **Luxury and Interior Quality**
The CLA45 AMG features a premium interior with high-quality materials, including Alcantara or leather upholstery, wood or aluminum trim, and a well-appointed cabin with advanced infotainment (MBUX or earlier systems). The build quality is generally solid, though some wear may be visible at this mileage.
3. **Reliability of the K7X475 Engine**
The 3.0L inline-six turbo (K7X475) is a robust engine when maintained properly. It is known for its durability, especially in AMG applications, though turbocharged engines require regular oil changes and attention to cooling systems to prevent issues like carbon buildup or turbo failure. With proper service history, it can easily exceed 200,000 miles.
4. **7G-Tronic 724.016 Transmission**
The 7G-Tronic automatic transmission (724.016) is a robust unit designed for high-performance applications. It handles the power of the AMG engine well and is less prone to failure compared to earlier Mercedes transmissions. However, like all automatics, it benefits from proper fluid changes (every 60,000 100,000 miles) to avoid premature wear.
5. **Resale Value and Prestige**
Mercedes-Benz AMG models retain strong resale value, and the CLA45 AMG is a desirable car among enthusiasts. Its sporty styling and performance credentials make it a good investment if you plan to sell it later.
6. **Advanced Safety Features**
Later-model CLA45 AMG (2017 ) includes features like **pre-safe, active brake assist, blind-spot monitoring, and lane-keep assist**, enhancing safety. Earlier models may lack some of these but still offer solid passive safety.
7. **AMG Exclusivity and Brand Appeal**
The AMG badge adds prestige, and the CLA45 AMG is a standout car in its segment. It appeals to buyers who want a blend of luxury and performance without the size of a full sedan or SUV.
---
#### **Cons**
1. **Maintenance Costs**
Mercedes-Benz vehicles, especially AMG models, are expensive to maintain. Common high-cost items include:- **Oil changes** (synthetic, high-quality oil recommended every 5,000 10,000 miles).
- **Turbocharger servicing** (if the turbo shows signs of wear, replacement can cost **$2,000 $4,000**).
- **Suspension components** (AMG springs, bushings, and struts may wear out by 100,000 miles).
- **Transmission fluid changes** (critical for longevity; fluid should be changed every 60,000 100,000 miles).
- **Brake system** (carbon-ceramic brakes are expensive; standard brakes may need replacement by 80,000 100,000 miles).
- **Electronics and infotainment** (MBUX or earlier systems can be finicky; repairs may require dealer intervention).
2. **Common Issues with the K7X475 Engine**
While robust, the 3.0L turbo inline-six is not without potential problems:- **Carbon buildup** in intake valves (common in turbocharged engines; requires **valve cleaning or replacement**, costing **$1,000 $2,500**).
- **Oil leaks** (valve cover gasket, oil filter housing gasket, or oil pan gasket can fail; repairs can be labor-intensive).
- **Turbocharger failure** (if not maintained, the turbo can fail, leading to **$2,000 $4,000 in repairs**).
- **Water pump failure** (common in Mercedes; replacement is **$1,000 $2,000** and should be done as a preventative measure).
3. **Transmission Concerns**
While the 7G-Tronic is reliable, it is not immune to issues:- **Slipping or rough shifting** (often due to worn clutches or low transmission fluid; fluid changes can prevent this).
- **Electronic glitches** (occasional software issues that may require a dealer visit).
- **Expensive repairs** if the transmission fails (rebuilding or replacement can cost **$3,000 $6,000**).
4. **High Insurance Costs**
As a high-performance luxury car, insurance premiums for the CLA45 AMG will be significantly higher than for a comparable non-AMG Mercedes or other brands.
5. **Depreciation**
While AMG models hold value better than many cars, the CLA45 AMG still depreciates over time. A 2015 2019 model with **724,000 miles** will likely be worth **$20,000 $30,000** (depending on condition and market), meaning you may not recoup the full purchase price if sold later.
6. **Rust and Body Issues**
The CLA s compact size makes it prone to **roof rust** (especially in snowy or salty climates). Inspect the roof rails, wheel arches, and undercarriage for corrosion. Bodywork repairs can be costly.
7. **Infotainment and Tech Limitations**
- **MBUX (2018 models)** is more user-friendly but still has quirks (e.g., slow response, occasional glitches).
- **Earlier models (2015 2017)** have a clunky infotainment system with a **touchscreen and rotary knob**, which can be frustrating.
- **Bluetooth and connectivity** may require updates or workarounds.
8. **Fuel Economy**
The CLA45 AMG is not fuel-efficient, averaging **15 18 MPG combined**. High fuel costs add up, especially for daily driving.
9. **Potential Electrical Gremlins**
Mercedes vehicles are known for **electrical issues**, such as:- **Faulty sensors** (e.g., camshaft or crankshaft sensors can cause misfires).
- **Battery drain** (parasitic draw issues are common).
- **Window regulators or door lock failures** (wear items that may need replacement).
10. **Resale Market Competition**
The used luxury performance car market is competitive. You may face stiff competition from **BMW M240i, Audi S3, Porsche Macan, or even newer CLA models** if you decide to sell later.
---
### **Key Considerations Before Purchase**
1. **Service History**
- **Oil changes** (must be done every **5,000 10,000 miles** with high-quality synthetic oil).
- **Transmission fluid changes** (critical; should be done every **60,000 100,000 miles**).
- **Turbo inspection** (listen for whining or check for oil leaks).
- **Brake system** (carbon-ceramic brakes last longer but are expensive; standard brakes may need replacement).
- **Water pump replacement** (if not done, expect failure by **100,000 150,000 miles**).
2. **Pre-Purchase Inspection (PPI)**
- **Get a detailed inspection** from a Mercedes specialist or trusted mechanic. Focus on:- Engine bay (oil leaks, turbo condition, belt tension).
- Transmission (fluid condition, shifting smoothness).
- Suspension (struts, bushings, alignment).
- Electrical system (test all lights, windows, infotainment).
- Underbody (rust, frame damage).
3. **Test Drive**
- Listen for **unusual noises** (knocking from the turbo, whining from the transmission).
- Check **acceleration and braking** (should be smooth; hesitation or delay may indicate issues).
- Test **all driving modes** (AMG Drive Pro, Comfort, etc.) to ensure the car responds as expected.
4. **Budget for Repairs**
- Expect to spend **$5,000 $10,000 in the first year** if
Details:
Warranty: All parts come with a 30-day warranty. Model: 2018 MERCEDES-BENZ CLA 45 AMG, 124K MILES, WDDSJ5CB0JN544041: condition: USED, TESTED, GUARANTEED. Item: 2018 Mercedes CLA45 AMG Transmission A, 724016, K7X475.
part #: a2463705403 prices
- $1099.95-$4500.00
specifications autotransmissionsgo:
- for models: Cla45, Amg
- for makes: Mercedes
- for years: 2015-2019
- mpn: A2463705403
- type: Automatic Transmission
- oe/oem part number: R2463715800, A2463704703
offer autotransmissionsgo:
- quantity: 1
- options: Ship-to-home
- sold: 0
- started: April 28, 2026
- availability: In Stock
shipping autotransmissionsgo:
- cost: $400.00
- class: Freight
- service: Flat Rate Freight
- type: Fixed
returns autotransmissionsgo:
- policy: No Returns
general autotransmissionsgo:
- Car Truck Parts Accessories > Transmission Drivetrain > Automatic Transmission
- condition: Used
payments autotransmissionsgo:
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- wallet: Apple-pay
- credit card: Mastercard
seller autotransmissionsgo:
- # reviews: 10430
- rating: 99.9%
- city: Henderson, Colorado
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