Mercedes-Benz S500 4matic Fuel Economy History
MPG by year — EPA official data.
Best MPG Year
2025
24 MPG combined
Latest Model
2026
23 MPG combined
| Year | Engine | City | Hwy | Combined | Fuel Cost/yr | |
|---|---|---|---|---|---|---|
| 2026 | Premium Hybrid | 20 | 29 | 23 | $3,550 | Details → |
| 2025 | Premium Hybrid | 21 | 31 | 24 | $3,400 | Details → |
| 2024 | Premium Hybrid | 21 | 31 | 24 | $3,400 | Details → |
| 2023 | Premium Hybrid | 20 | 28 | 23 | $3,550 | Details → |
| 2022 | Premium Hybrid | 21 | 30 | 24 | $3,400 | Details → |
| 2021 | Premium Hybrid | 20 | 29 | 24 | $3,400 | Details → |
| 2006 | Premium | 14 | 20 | 16 | $5,100 | Details → |
| 2005 | Premium | 14 | 20 | 16 | $5,100 | Details → |
| 2004 | Premium | 14 | 20 | 16 | $5,100 | Details → |
| 2003 | Premium | 14 | 19 | 16 | $5,100 | Details → |