Open official notice

Passenger cars (Mercedes-Benz E350e, E350de) - Repair

Official notice

28 Sept 2023

Last checked

27 Oct 2026

RecallScope risk estimate:HighCAA Japan

An official CAA Japan notice concerns Passenger cars (Mercedes-Benz E350e, E350de) - Repair. Electrical equipment (power electronics wiring) defect. ■ Defective part (component name): Electrical equipment (power electronics wiring). ■ Description and cause of the structure, equipment or performance considered noncompliant with standards: Due to inappropriate work instructions, protective material was not installed on the power electronics of plug-in hybrid vehicles. The wiring may therefore contact the underbody panel, wearing away the insulation and causing a broken wire. Consequently, a high-voltage system warning message may appear and the high-voltage system may shut down, causing problems such as increased exhaust emissions. In the worst case, the engine may become unable to start, making the vehicle unable to be driven. Published 2023-09-28.

What to do now

(Recall notification number) 外-3689 ■ Corrective measures: On all vehicles, inspect the power electronics wiring and install protective material on the wiring. Repair the wiring if it is damaged.

Units affected

132

Recall number

外-3689

Official notice

2023-09-28

The hazard

Electrical equipment (power electronics wiring) defect. ■ Defective part (component name): Electrical equipment (power electronics wiring). ■ Description and cause of the structure, equipment or performance considered noncompliant with standards: Due to inappropriate work instructions, protective material was not installed on the power electronics of plug-in hybrid vehicles. The wiring may therefore contact the underbody panel, wearing away the insulation and causing a broken wire. Consequently, a high-voltage system warning message may appear and the high-voltage system may shut down, causing problems such as increased exhaust emissions. In the worst case, the engine may become unable to start, making the vehicle unable to be driven.

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

外-3689

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Affected products

Product 1

メルセデス・ベンツ 「E350e」「E350de」

Units affected

132

Hazard

Electrical equipment (power electronics wiring) defect. ■ Defective part (component name): Electrical equipment (power electronics wiring). ■ Description and cause of the structure, equipment or performance considered noncompliant with standards: Due to inappropriate work instructions, protective material was not installed on the power electronics of plug-in hybrid vehicles. The wiring may therefore contact the underbody panel, wearing away the insulation and causing a broken wire. Consequently, a high-voltage system warning message may appear and the high-voltage system may shut down, causing problems such as increased exhaust emissions. In the worst case, the engine may become unable to start, making the vehicle unable to be driven.

Where it was sold

Retailer information is not currently available in RecallScope. Check the official notice for distribution details.

Location 1

JP · Japan

Affected area 1

JP · Japan

Company & contacts

Manufacturer

メルセデス・ベンツ日本株式会社

Phone

0120-086-880

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

Tier

official

Category

VEHICLES

Official classification

消費者庁 — 修理

Recall details

Recall number

外-3689

Event id

CAA-00000031334

Units affected

132

Source tier

official

Documents, notices & source

See the official notice and source documents for full details.

View full official notice
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