Mercedes A & B-Class 722.8 TCM – Turbine Speed Sensor & Bond Wire Repair

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Price Exclusive of GST


Our assessment fee is $150 + GST.
If you choose to proceed with the repair, this fee is applied towards the total repair cost. It is only charged separately if you decide not to proceed after the assessment.

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Mercedes A & B-Class 722.8 TCM – Turbine Speed Sensor & Bond Wire Repair
This is a repair service for the Transmission Control Module (TCM) used in Mercedes A-Class and B-Class vehicles fitted with the 722.8 CVT automatic transmission.

Common failures include:

  • Turbine speed sensor faults (Y3/9b4)

  • Internal bond wire failure

  • No gear engagement or limp mode

  • Transmission-related fault codes

We address both sensor and bond failure issues, replacing faulty components and restoring full TCM functionality.

Compatible with:

  • Mercedes A-Class W169 (2004–2012)

  • Mercedes B-Class W245 (2005–2011)

All repairs are fully tested before return and include a 12-month warranty.

Note: This is a repair service – your TCM must be sent to us for repair.