No complaints are listed for the 2021 Mercedes-Benz EQC 400 E. NHTSA's API and bulk file list none in this build.
Data build 2026-10-10.
NHTSA lists this vehicle as MERCEDES-BENZ EQC 400 E.
Complaints per 100k sold unavailable. No sales source is available for this record.
Model-generated complaint tags: No complaints are listed for tagging.
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0 recalls.
0 investigations; 0 open.
24 manufacturer communications.
| System | Count |
|---|---|
| ELECTRICAL SYSTEM | 6 |
| EXTERIOR LIGHTING | 5 |
| POWER TRAIN | 3 |
| STEERING | 3 |
| ENGINE AND ENGINE COOLING | 2 |
| SEATS | 2 |
| STRUCTURE | 2 |
| UNKNOWN OR OTHER | 2 |
Date: 2025-05-21. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN.
Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The clunk is heard once when changing from forward to reverse (and vice versa). Note: Sound file in attachment Cause If the complaint is eliminated by experimentally loosening the out
Date: 2025-04-28. Type: Service Bulletin/Repair Instructions. Systems: EXTERIOR LIGHTING.
Complaint Headlamp, front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical impairment of the headlamp. Remedy NOTE: If a pressure compensation diaphragm is fitted in the housing cover
Date: 2025-04-28. Type: Service Bulletin/Repair Instructions. Systems: EXTERIOR LIGHTING.
Complaint Headlamps leaking or fogged Cause The fogging of the headlamp is a natural phenomenon which can occur under certain climatic conditions. In contrast to a leaky headlamp, physical fogging does not result in a technical impairment of the headlamp. A leak test must be performed to determine i
Date: 2025-03-28. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
Complaint MBUX head unit display with red text box "System Inoperative". ONLY for vehicles with SA code (549+21U) or (549+U19). Cause Head unit software variant. Remedy For all chassis use Xentry to update head unit (A26/17). Target boot software number should be either: a ? 247 904 6600 (E905.4) OR
Date: 2025-03-05. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
Complaint During a phone call, the called party has difficulty understanding/cannot understand the driver, or interference/background noises are audible to the called party during a call. It becomes increasingly difficult to understand as the speed rises. Cause A. Seating of the microphones in the h
Date: 2025-01-16. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN.
Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The clunk is heard once when changing from forward to reverse (and vice versa). Cause If the complaint is eliminated by experimentally loosening the outboard collar nut (by 1 turn), t
Date: 2025-01-15. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN.
Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The noise is heard once in each instance when changing direction of travel. Note: Sound file in attachment Cause If the complaint is eliminated by experimentally loosening the outboar
Date: 2024-10-23. Type: Service Bulletin/Repair Instructions. Systems: STRUCTURE, VISIBILITY/WIPER.
Complaint Washer fluid system leaks Cause Various possible causes: 1. Washer fluid reservoir itself. 2. Seal on washer fluid pump/washer fluid reservoir. 3. Washer fluid pump. 3.1. Distributor housing leaks. 3.2. Pump fitting leaks. 3.3. Washer fluid hose cannot be snapped into place on pump fitting
Date: 2024-09-28. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
Complaint During a phone call, the called party has difficulty understanding/cannot understand the driver, or interference/background noises are audible to the called party during a call. It becomes increasingly difficult to understand as the speed rises. Cause A. Seating of the microphones in the h
Date: 2024-09-21. Type: Service Bulletin/Repair Instructions. Systems: EXTERIOR LIGHTING.
Complaint Headlamps leaking or fogged Cause The fogging of the headlamp is a natural phenomenon which can occur under certain climatic conditions. In contrast to a leaky headlamp, physical fogging does not result in a technical impairment of the headlamp. A leak test must be performed to determine i
None listed.
| NHTSA model label | Complaints |
|---|---|
| EQC 400 E | 0 |
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