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Mercedes-Benz — recall

Automotive · Japan · 2025-05-15

Origin: ドイツ連邦共和国

Mercedes-Benz vehicles: front brake hose manufacturing defect, low durability in high heat/humidity.

Country	Japan
Category	Automotive
Published	2025-05-15
Country of origin	ドイツ連邦共和国
Manufacturer	Mercedes-Benz Japan LLC
Models affected	S400d 4MATIC, S500 4MATIC, S580 4MATIC, S580e 4MATIC, Mercedes-Maybach S580 4MATIC, Mercedes-Maybach S680 4MATIC
Units affected	7719
Defect	Regarding the front brake hose, due to an improper manufacturing process, some hoses may have low durability in high-temperature and high-humidity environments. Additionally, due to insufficient design consideration, some brake hoses may have sections with low flexibility. As a result, prolonged exposure to high-temperature and high-humidity environments can cause the hose to deteriorate and crack, leading to brake fluid leakage and a potential reduction in braking performance.
Component	Braking system (Brake hose)
Remedy	For all vehicles, the front brake hoses will be replaced with improved parts.
Recall number	外-3990
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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