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Passenger cars (Mercedes-Benz Mercedes-AMG A45S 4MATIC+ and others) - Repair
Official notice
24 May 2021
Last checked
27 Oct 2026
An official CAA Japan notice concerns Passenger cars (Mercedes-Benz Mercedes-AMG A45S 4MATIC+ and others) - Repair. Gasoline engine spark plug defect. ■ Defective component and details: Due to incorrect manufacturing instructions, spark plugs with the wrong specifications are installed in the gasoline engine. As a result, normal combustion may not be maintained, potentially worsening exhaust emissions. In addition, during use, thermal loading may cause the plugs to break and fall into the combustion chamber, damaging the engine and, in the worst case, causing the engine to stall. Published 2021-05-24.
What to do now
(Notification number) 外-3211
Recall number
外-3211
Official notice
2021-05-24
The hazard
The hazard
Gasoline engine spark plug defect. ■ Defective component and details: Due to incorrect manufacturing instructions, spark plugs with the wrong specifications are installed in the gasoline engine. As a result, normal combustion may not be maintained, potentially worsening exhaust emissions. In addition, during use, thermal loading may cause the plugs to break and fall into the combustion chamber, damaging the engine and, in the worst case, causing the engine to stall.
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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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.
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.
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