2023 Mercedes-Benz EQS 450 4MATIC Engine Problems
- Complaints
- 1about this part
- Share
- 14%of 7 total for the year
- Median mileage
- —not reported
- Trend
- Too newThis model year is less than 4 years old, so a trend is not meaningful yet.
NHTSA recorded 1 complaints about the engine of the 2023 Mercedes-Benz EQS 450 4MATIC, 14% of the 7 complaints for this model year. 1 of these say a crash was involved, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“On the date of purchase, while driving approximately 50 mph, the vehicle’s hood opened unexpectedly, obstructing my visibility and causing the vehicle to leave the roadway and enter a ditch. State Police responded, and the vehicle was towed immediately. This incident presents a serious safety defect. The is vehicle is certified by Mercedes Benz and purchased from Mercedes Benz Dealer.”
NHTSA complaint #11714687, filed 2026-01Related service bulletins
- 11024516Oct 27, 2025Complaint Yellow instrument cluster message: "Cooling system fault, operating energy input reduced, service required". Cause Fault code "B3A0077 - The regulation valve in the…
- 11019743Jun 12, 2025Complaint Reduced Drive Power' warning displayed on Instrument Cluster, as Illustrated in the Picture, but no relevant fault codes are present.
- 11017493Apr 29, 2025Complaint Yellow instrument cluster message: "Cooling system fault, operating energy input reduced, service required" Cause Fault code "B3A0077 - The regulation valve in the…
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2023 | 1 | 14% |
Other parts of the 2023 Mercedes-Benz EQS 450 4MATIC
3 complaintsForward collision avoidance
2 complaintsOther or unknown
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaintsBrakes
1 complaintsFuel system
1 complaintsBody and structure
1 complaints
← All problems reported for the 2023 Mercedes-Benz EQS 450 4MATIC
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology