Description
Product Overview
Part Name: Transmission Control Unit (TCU / Valve Body Computer)
Part Number: A7252709011
Transmission Type: 725.9 / 9G-TRONIC 9-Speed Automatic
Vehicle Compatibility: Mercedes-Benz C-Class W205, E-Class W213, GLC X253 and S-Class W222 Cars (2015–2020) equipped with the 9G-TRONIC (725.9) automatic transmission. Applicable to selected petrol and diesel variants using this gearbox platform.
Configuration: Integrated transmission control computer and valve body control unit designed to manage hydraulic pressure, shift logic and clutch coordination within the 9G-TRONIC system. Built with OEM-style connectors for direct installation.
Function: Controls gear selection, shift timing and transmission response to ensure smooth acceleration, precise shifting and stable drivetrain performance. Helps resolve harsh shifting, delayed engagement, warning messages and transmission limp-mode conditions.
Technical Specifications
Type: Transmission Control Unit (TCU / TCM)
Transmission: 725.9 / 9G-TRONIC 9-Speed Automatic
Material: Sealed electronic control module with integrated circuitry
Application: Direct-fit replacement for Mercedes-Benz vehicles using the 9G-TRONIC transmission and TCU reference A7252709011
Cross-Reference: A7252709011
Installation: Installs within the transmission control system; professional installation recommended, including coding and adaptation after replacement
Service Interval: Replace when harsh shifting, delayed gear engagement, transmission warnings or diagnostic fault codes indicate TCU malfunction
Delivery & Availability
Stock Options: Available
Delivery Time: 3–7 days internationally
Payment & Security
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