2023 Mercedes-Benz EQS450 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
11 owner complaints analyzed
3 distinct recall campaigns
4,000 mi median reported failure mileage
Scope: 2023 model year. Data snapshot: . 1 complaints include usable failure mileage.
Most common problems
Forward Collision Avoidance: Automatic Emergency Braking is the most frequently named component, appearing in 7 of 11 complaints (63.6%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 6 | 54.5% |
| Electrical and battery issues | 1 | 9.1% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Forward Collision Avoidance: Automatic Emergency Braking | 7 |
| Service Brakes | 5 |
| Electrical System | 2 |
| Forward Collision Avoidance: Warnings | 2 |
| Structure:Body | 2 |
| Vehicle Speed Control | 1 |
Forward Collision Avoidance: Automatic Emergency Braking: 7; Service Brakes: 5; Electrical System: 2; Forward Collision Avoidance: Warnings: 2; Structure:Body: 2; Vehicle Speed Control: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 1 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 0 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 1; 25,000 to 49,999: 0; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
Under 25,000 miles has the most reports with usable mileage (1). 10 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2022 | 1 |
| 2023 | 7 |
| 2024 | 3 |
2022: 1; 2023: 7; 2024: 3
Pattern summary
Forward Collision Avoidance: Automatic Emergency Braking leads the component reports. Braking behavior appears in 6 complaint narratives. Electrical and battery issues appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11501082 · 2023-01-10 (January 10, 2023)
At approximately 10:30 p.m. on January 8, 2023 I, and three passengers (my wife, and another couple), were completing a one hour drive returning from an event in southern California. We traveled on the freeways as we headed home. The speeds on those freeways average between 65 and 75 miles per hour with the flow of traffic. I exited the freeway and pulled up to a traffic light. I made a right turn at the light, then traveled up the road. The weather was clear and dry, and there were no cars either behind, in front of, or beside me as I drove up…
Owner-reported narrative. Look up ODI 11501082 at NHTSA ↗
Owner report 11506074 · 2023-02-07 (February 7, 2023)
The contact owns a 2023 Mercedes Benz EQS580. The contact stated while his wife was driving 40 MPH, the vehicle experienced phantom braking without another vehicle nearby. The contact stated no warning light was illuminated. The driver was able to continue driving to her destination. The vehicle was not diagnosed or repaired. A dealer was not contacted. The manufacturer had not been informed of the failure. The failure mileage was approximately 4,000.
Owner-reported narrative. 4,000 miles reported. Look up ODI 11506074 at NHTSA ↗
Owner report 11546108 · 2023-09-22 (September 22, 2023)
Vehicle would start and then shutdown. It would display the battery malfunction error. You would need to reset the vehicle with the key in order to activate/start the vehicle again. Dealer said they need to replace the MUC but Mercedes told the dealer to try a software update before. The vehicle is still not running the more recent software RL_NTG7_E316.505_22092AC3. Other vehicles are running E330. I don’t believe the dealer updated my software and this issue could happen and caused the vehicle to become disabled somewhere which would case an …
Owner-reported narrative. Look up ODI 11546108 at NHTSA ↗