Image available on the official notice.
Passenger cars (Mercedes-Benz S400d 4MATIC, S500 4MATIC) - Repair
Official notice
28 Oct 2021
Last checked
4 Nov 2026
An official CAA Japan notice concerns Passenger cars (Mercedes-Benz S400d 4MATIC, S500 4MATIC) - Repair. Defect in the automatic accident emergency call system (communication module). ■ Defective component (part name): Automatic accident emergency call system (communication module). ■ Condition and cause of the structure, equipment or performance considered noncompliant with standards: Due to improper control software in the vehicle's communication module, emergency calls may not be possible either automatically or manually. This may result in noncompliance with Article 43-8 of the Safety Regulations (standards for automatic accident emergency call systems). Published 2021-10-28.
What to do now
(Recall) 外-3307 ■ Corrective measures: Rewrite the onboard communication module's control software to the corrected specification on all vehicles.
Recall number
外-3307
Official notice
2021-10-28
The hazard
The hazard
Defect in the automatic accident emergency call system (communication module). ■ Defective component (part name): Automatic accident emergency call system (communication module). ■ Condition and cause of the structure, equipment or performance considered noncompliant with standards: Due to improper control software in the vehicle's communication module, emergency calls may not be possible either automatically or manually. This may result in noncompliance with Article 43-8 of the Safety Regulations (standards for automatic accident emergency call systems).
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
Checked manually this time?
Add your VIN to the app Watchlist to receive alerts for matching official notices.
Turn on automatic VIN checksAffected products
Affected products
Product 1
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
Source tier
Documents, notices & source
See the official notice and source documents for full details.
View full official noticeWeekly recall digest
Get next week's recalls before you need them.
One email every Monday — official-source recalls for your country, and nothing else. Unsubscribe from any email.
The digest arrives once a week. For matching recall alerts after notices are processed, get the app.
This recall was published 28 Oct 2021. The next one won't wait for you to search.
RecallScope checks listed publishers for the brands and VINs you follow, and can alert you when a matching notice is processed.
