⚙️ Mercedes A-Class Transmission Control Module (TCM) Repair – P/N: A 168 540 00 44
From January 1st, 2026, we will be strictly Trade Only for New Zealand Info here
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 go ahead with the repair, we’ll put this towards the total cost. Our full terms of trade is the link can be found here
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-Class Transmission Control Module (TCM) Repair – P/N: A 168 540 00 44
Selector Fault | Internal TCU Error Code 200A
This is a repair service for the transmission control unit (TCU) / gear selector module found in the Mercedes-Benz A-Class, part number A
Common Symptoms Repaired:
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Gear selector not responding
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Transmission stuck in park or limp mode
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Fault code 200A: Internal fault in control unit
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Dash warnings for transmission or gear selection
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No communication with TCU via diagnostics
What We Do:
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Disassemble and inspect the internal control circuitry
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Repair or replace faulty components causing the internal error
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Reflow or rebuild key communication and power tracks
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Bench test the selector function and CAN communication
Applies To:
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Mercedes A-Class (W168 and similar platforms using P/N A
168 540 00 44) -
TCU with markings 7 D 88, selector-type mounted
Turnaround Time: 2–4 business days
Warranty: 12 months on repaired components
💡 Save time and cost by repairing your original selector module — no need for reprogramming or key matching.