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Mercedes-Benz

Mercedes GLS X166 2017 to 2019 9G-Tronic TCM TCU P073E00 P07B700 Repair Service

Mercedes GLS X166 2017 to 2019 9G-Tronic TCM TCU P073E00 P07B700 Repair Service

Regular price Β£243.79 GBP
Regular price Β£0.00 GBP Sale price Β£243.79 GBP
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🌟 Full Diagnostic & Repair Service Available! 🌟

🧰 Not sure if this is the faulty part?

No worries β€” we offer a complete start-to-finish diagnostic and repair service in our workshop!

πŸ” Let our experts find the fault and fix it right β€” no guesswork needed.

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🚘 Mercedes GLS X166 (2017-2019)

9G-Tronic Mechatronic TCM / TCU Repair Service

πŸ”§ Professional Mail-In Service by THE VEHICLE CHECK


πŸ“ Post Your Unit To:
The Vehicle Check
Unit 13 Shaftesbury Road
London, N18 1SW


⚠️ Common Fault Symptoms:

  • Transmission won't shift into Drive

  • Automatically selects Neutral when trying to engage Drive

  • After several attempts, transmission enters safe mode , allowing only 3rd-5th gear

These issues are common with the 9G-Tronic TCM / TCU in the Mercedes GLS (X166) and can usually be repaired without needing a costly replacement.


πŸ” Common Fault Codes:

  1. Reverse Gear Cannot Engage

  2. P073E00 - Gearbox shift malfunction

  3. P07B700 - Clutch Position / Pressure Sensor fault


πŸ› οΈ What's Included in Our Repair:

  • In-depth diagnostics & component-level repair

  • Fully tested and verified functionality

  • No coding required after refitting β€” just plug & play

  • Fast turnaround (2-3 working days)

  • 12-month warranty on all repairs

  • Honest, fixed-price service β€” no hidden fees


πŸ“„ Before You Send:

Please share your diagnostic report with us before purchasing or posting your unit. This helps us confirm the issue and ensures we can repair it effectively.


πŸ“¦ How It Works:

1️⃣ Purchase this eBay listing
Secure your repair service.

2️⃣ Pack your TCU safely
Include your name, return address, contact number , and a copy of the diagnostic report if possible.

3️⃣ Ship to:
The Vehicle Check
Unit 13 Shaftesbury Road
London, N18 1SW

4️⃣ We repair, test & return
Your unit is professionally repaired and posted back ready to reinstall.


⚠️ Please Note:

This is a repair service for your original TCM/TCU unit .
You are not purchasing a new or replacement part .


πŸ”§ Other Services We Offer:

  • Instrument cluster repairs

  • ABS pump/module repairs

  • Land Rover & Jaguar gear selector repairs

  • Crash data removal (Airbag ECU)

  • Audi & Volvo 48V hybrid crash data repair

…and more!

πŸ›’ Visit our eBay store to explore all services we provide.


πŸ’¬ Have questions? Message us anytime β€” we're here to help.

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