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

Login to view price

Price Exclusive of GST

Our minimum assessment fee is $150 + GST (Excluding Headlights). This just covers the time to check the unit over. If you proceed with the repair, we’ll apply this to the total cost. Our full terms of trade can be found here. Has repair work been attempted by your customer? Link here !

Heavy Diesel or Industrial Repair you need? Link here for a solution!

International Customers:
When sending a unit from overseas, please declare it as “Repair and Return” with a low customs value (around $100 USD) to avoid unnecessary import fees. - All Repair Prices are quoted in NZD

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.