Image available on the official notice.
Passenger car (Mercedes-Benz GLK350 4MATIC) - Repair
Official notice
28 Sept 2017
Last checked
27 Oct 2026
An official CAA Japan notice concerns Passenger car (Mercedes-Benz GLK350 4MATIC) - Repair. Due to a defect in the engine (engine control unit). ■ Defective part (component name): Engine (engine control unit). ■ Structure, equipment or performance deemed noncompliant with standards, and its cause: Due to inappropriate engine control unit programming, manufacturing tolerances in the NOx sensor may prevent proper NOx reduction in the NOx storage catalytic converter. This reduces its NOx storage capacity and, in the worst case, NOx emissions may exceed the regulatory limit. Published 2017-09-28.
What to do now
(Recall) 外-2540 ■ Corrective measures: Reprogram the engine control unit on all vehicles.
Recall number
外-2540
Official notice
2017-09-28
The hazard
The hazard
Due to a defect in the engine (engine control unit). ■ Defective part (component name): Engine (engine control unit). ■ Structure, equipment or performance deemed noncompliant with standards, and its cause: Due to inappropriate engine control unit programming, manufacturing tolerances in the NOx sensor may prevent proper NOx reduction in the NOx storage catalytic converter. This reduces its NOx storage capacity and, in the worst case, NOx emissions may exceed the regulatory limit.
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
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.
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