Mercedes-Benz EQS 450 Plus MPG by year — every rating on record
The Mercedes-Benz EQS 450 Plus has a combined EPA fuel economy rating for 4 model years, from 2022 to 2026. Across those years its best rated version returned 98 mpg (2025) and its thirstiest returned 96 mpg (2024). The EPA record holds 4 configurations for this nameplate, most recently a Large Cars.
Year-by-year EPA ratings
| Model year | Configurations | Best combined | Worst combined | Class rank that year | Drivetrains | Fuel | EPA class |
|---|---|---|---|---|---|---|---|
| 2022 | 1 | 97 mpg | 97 mpg | #12 of 69 (84th pct) | Rear-Wheel Drive | Electricity | Large Cars |
| 2024 | 1 | 96 mpg | 96 mpg | #9 of 56 (85th pct) | Rear-Wheel Drive | Electricity | Large Cars |
| 2025 | 1 | 98 mpg | 98 mpg | #8 of 58 (88th pct) | Rear-Wheel Drive | Electricity | Large Cars |
| 2026 | 1 | 98 mpg | 98 mpg | #8 of 60 (88th pct) | Rear-Wheel Drive | Electricity | Large Cars |
Where it has stood in its class
Ranked against every other nameplate the EPA filed under the same class that year. The Mercedes-Benz EQS 450 Plus placed highest in 2025 at #8 of 58, and lowest in 2022 at #12 of 69. It spent 4 of its 4 ranked years in the top half of its class.
Every configuration on record
All 4 configurations EPA lists for this nameplate, newest first.
| Year | Configuration | Engine detail | City | Highway | Combined | Gallons/yr | Barrels/yr | EPA fuel cost/yr | Range | CO2 g/mi | GHG |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | Rear-Wheel Drive Automatic (A1) Electricity | EV, start-stop | 98 | 98 | 98 | 117.3 | 0.1 | $750 | 390 mi | n/a | 10/10 |
| 2025 | Rear-Wheel Drive Automatic (A1) Electricity | EV, start-stop | 98 | 98 | 98 | 117.3 | 0.1 | $750 | 390 mi | n/a | 10/10 |
| 2024 | Rear-Wheel Drive Automatic (A1) Electricity | EV, start-stop | 95 | 98 | 96 | 119.8 | 0.1 | $800 | 352 mi | n/a | 10/10 |
| 2022 | Rear-Wheel Drive Automatic (A1) Electricity | EV, start-stop | 97 | 97 | 97 | 118.6 | 0.1 | $800 | 350 mi | n/a | 10/10 |
How the rating has moved between model years
Comparing the best-rated configuration of each year. 1 of 2 year-over-year steps improved the top rating.
| Change | Best combined | Delta | Gallons a year at the newer rating |
|---|---|---|---|
| 2022 → 2024 | 97 → 96 mpg | -1 mpg | 120 gal |
| 2024 → 2025 | 96 → 98 mpg | +2 mpg | 117 gal |
What EQS 450 Plus fuel costs over a year
At the EPA's 11,500 miles a year, the 2026 Mercedes-Benz EQS 450 Plus burns 117 to 117 gallons depending on configuration. Below is what that costs at three pump prices, and how much more the thirstiest configuration costs than the most efficient one.
| Pump price | Most efficient | Thirstiest | Spread |
|---|---|---|---|
| $3.00/gal | $352 | $352 | $0 |
| $3.50/gal | $411 | $411 | $0 |
| $4.00/gal | $469 | $469 | $0 |
EPA’s own estimate for the 2026 model year is $750 to $750 a year in fuel, or $7,500 less than the average new vehicle over five years.
How it compares with other Large Cars
Across the 305 nameplates EPA classifies as Large Cars, the median best combined rating is 21 mpg. At 98 mpg the Mercedes-Benz EQS 450 Plus is 77 mpg better the median, which is worth about $1,506 a year at $3.50 a gallon.
- All Large Cars rankings — every nameplate in the class, best to worst.
Other Mercedes-Benz nameplates
Every Mercedes-Benz model compared → — all nameplates ranked by best combined rating, with what each one costs a year.