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Mercedes-Benz — recall

Automotive · Japan · 2026-02-18

Origin: ドイツ連邦共和国

Mercedes-Benz Transmission Control Unit has improper manufacturing instructions, wrong program

Country	Japan
Category	Automotive
Published	2026-02-18
Country of origin	ドイツ連邦共和国
Manufacturer	Mercedes-Benz Japan LLC
Models affected	C220d Station Wagon, C220d 4MATIC All-Terrain
Units affected	124
Defect	In the Transmission Control Unit, due to improper manufacturing instructions, a control program with different specifications may have been incorrectly written. As a result, the On-Board Diagnostics (OBD) may not function correctly, and in the worst case, exhaust gas values may exceed regulatory limits.
Component	Powertrain (Transmission Control Unit)
Remedy	For all vehicles, rewrite the control program of the Transmission Control Unit with the correct control program.
Recall number	外-4152
Official notice	View source ↗

What this means for sellers

Likely platform / channel actions	OEMs/dealers will run the remedy (repair, replace or refund); component suppliers in the chain may face traceback.
Self-check for comparable products	Check your comparable products' design, materials and QC records against the defect described here.
Rules & standards likely involved	the destination market's product-safety rules and mandatory standards

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