Image available on the official notice.
Passenger cars (Mercedes-Benz S400d 4MATIC and 4 other models) - Repair
Official notice
1 Nov 2023
Last checked
27 Oct 2026
An official CAA Japan notice concerns Passenger cars (Mercedes-Benz S400d 4MATIC and 4 other models) - Repair. Defect in the electrical equipment (wiring). ■ Defective component: Electrical equipment (wiring). ■ Condition and cause of the structure, equipment or performance deemed noncompliant with standards: Due to improper tightening during manufacturing, some ground wiring in the trunk compartment was fastened to a stud bolt with insulation trapped in the connection. Consequently, the connection may loosen during use and cause an electrical discontinuity, which may stop the electronic stability program (ESP) from operating. Loosening may also increase electrical resistance and generate heat, melting surrounding components and, in the worst case, causing a fire. Published 2023-11-01.
What to do now
(Recall notification number) 外-3715. ■ Corrective measures: Inspect the tightening condition of the ground wiring in the trunk compartment on all vehicles. If insulation is trapped in the connection, inspect the contact surfaces of the ground wiring, stud bolt and nut, correct the insulation, and retighten to the specified torque. If the contact surfaces are damaged or surrounding components show melting damage, replace the relevant components with new parts.
Units affected
2,643
Recall number
外-3715
Official notice
2023-11-01
The hazard
The hazard
Defect in the electrical equipment (wiring). ■ Defective component: Electrical equipment (wiring). ■ Condition and cause of the structure, equipment or performance deemed noncompliant with standards: Due to improper tightening during manufacturing, some ground wiring in the trunk compartment was fastened to a stud bolt with insulation trapped in the connection. Consequently, the connection may loosen during use and cause an electrical discontinuity, which may stop the electronic stability program (ESP) from operating. Loosening may also increase electrical resistance and generate heat, melting surrounding components and, in the worst case, causing a fire.
How to check if you're affected
How to check if you're affected
Compare the product name and identifiers below with the item you own. Check the official notice for the affected products and next steps.
Recall Numbers
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Affected products
Product 1
Units affected
Hazard
Where it was sold
Where it was sold
Retailer information is not currently available in RecallScope. Check the official notice for distribution details.
Location 1
Affected area 1
Company & contacts
Company & contacts
Brand: Mercedes-Benz. Contact: メルセデス・ベンツ日本株式会社. Phone 0120-086-880.
Source & status
Source & status
Recall details
Recall details
Recall number
Event id
Units affected
Source tier
Documents, notices & source
See the official notice and source documents for full details.
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