Description

Transmission Control Unit (TCU) – VGS2-FDCT 7G-DCT (4-Pin) – Updated Version

Premium-quality remanufactured Transmission Control Unit (TCU) for Mercedes-Benz 7G-DCT dual-clutch transmissions (724.0 / 724.003).

This is the updated VGS2-FDCT control unit (4-pin configuration), introduced in later production models as an improvement over earlier 5-pin systems. It provides enhanced communication, improved reliability, and optimized gear shifting performance.

Designed as a direct replacement, this unit restores full transmission functionality and resolves common electronic gearbox faults.

Technical Specifications

• Transmission Type: 7G-DCT (Dual Clutch Transmission)

• Transmission Code: 724.0 / 724.003

• Control Unit Type: VGS2-FDCT (Updated Generation)

• Connector Type: 4-Pin 

• Condition: Remanufactured / Tested

• Material: Automotive-grade Plastic + Metal

• Fitment Type: Direct Replacement

OEM / Reference Part Numbers

• Primary: A0054463710

• Interchange / Cross References:

  • A0002703900

  • A2C73939004 / A2C73939006

  • A2469060018

Vehicle Compatibility 

Designed for Mercedes-Benz vehicles equipped with 7G-DCT (724.003) transmissions — commonly found in facelift and later MFA platform vehicles.

Mercedes-Benz A-Class

• W176 (Facelift Models) → 2014 – 2018

• W177 (Early Models) → 2018 – 2020

Mercedes-Benz B-Class (W246)

• B180 / B200 / B220 / B250
   2014 – 2019

Mercedes-Benz CLA (C117 / X117)

• CLA180 / CLA200 / CLA220 / CLA250
  2014 – 2019

Mercedes-Benz GLA (X156)

• GLA180 / GLA200 / GLA220 / GLA250
  2014 – 2020

Additional Applications

• Infiniti QX30 (shares Mercedes platform) → 2016 – 2019

✔ Common across engines:

• 1.5L / 1.6L / 1.8L / 2.0L petrol

• 2.1L / 2.2L diesel

Market Relevance

✔ Widely used locally in:

• Mercedes-Benz A-Class (2014 – Present)

• Mercedes-Benz CLA (2014 – Present)

• Mercedes-Benz GLA (2014 – Present)

• Mercedes-Benz B-Class (2014 – 2019)

These vehicles are very common in SA, making this unit high demand for gearbox electronic repairs and rebuilds.

Function & Benefits

• Controls:

  • Gear shifting logic

  • Clutch engagement

  • Transmission communication systems

• Resolves common issues:

  • Vehicle stuck in limp mode

  • No gear engagement / no drive

  • Loss of communication with TCU

  • Fault codes related to voltage or sensors

• Improved reliability vs earlier 5-pin units

• Cost-effective alternative to new OEM unit

Common Fault Codes / Symptoms

• P056016 / P056200 – Voltage faults

• P0711 – Transmission temperature signal fault

• No communication with gearbox ECU

Installation Notes

• Professional installation required

• SCN coding / programming required after installation

• Must match:

  • Original OEM part number

  • 4-pin configuration (critical)

  • Transmission type (724.003)

Important Fitment Warning:
This is a 4-pin updated version and is NOT compatible with early 5-pin units (e.g. A0054463310) unless specifically converted and programmed.

Ideal For

• Mercedes-Benz specialists

• Transmission repair workshops

• Auto electricians

• Parts resellers