Mercedes-Benz EQB 300 4matic MPG by year — every rating on record
The Mercedes-Benz EQB 300 4matic has a combined EPA fuel economy rating for 3 model years, from 2022 to 2025. Across those years its best rated version returned 101 mpg (2022) and its thirstiest returned 87 mpg (2024). The EPA record holds 3 configurations for this nameplate, most recently a Small Sport Utility Vehicle 4WD.
Year-by-year EPA ratings
| Model year | Configurations | Best combined | Worst combined | Class rank that year | Drivetrains | Fuel | EPA class |
|---|---|---|---|---|---|---|---|
| 2022 | 1 | 101 mpg | 101 mpg | #4 of 151 (98th pct) | All-Wheel Drive | Electricity | Small Sport Utility Vehicle 4WD |
| 2024 | 1 | 87 mpg | 87 mpg | #29 of 176 (84th pct) | All-Wheel Drive | Electricity | Small Sport Utility Vehicle 4WD |
| 2025 | 1 | 87 mpg | 87 mpg | #41 of 194 (79th pct) | All-Wheel Drive | Electricity | Small Sport Utility Vehicle 4WD |
Where it has stood in its class
Ranked against every other nameplate the EPA filed under the same class that year. The Mercedes-Benz EQB 300 4matic placed highest in 2022 at #4 of 151, and lowest in 2025 at #41 of 194. It spent 3 of its 3 ranked years in the top half of its class.
Every configuration on record
All 3 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | All-Wheel Drive Automatic (A1) Electricity | EV, start-stop | 89 | 85 | 87 | 132.2 | 0.1 | $850 | 205 mi | n/a | 10/10 |
| 2024 | All-Wheel Drive Automatic (A1) Electricity | EV, start-stop | 89 | 85 | 87 | 132.2 | 0.1 | $850 | 205 mi | n/a | 10/10 |
| 2022 | All-Wheel Drive Automatic (A1) Electricity | EV, start-stop | 104 | 98 | 101 | 113.9 | 0.1 | $750 | 243 mi | n/a | 10/10 |
How the rating has moved between model years
Comparing the best-rated configuration of each year. 0 of 1 year-over-year steps improved the top rating.
| Change | Best combined | Delta | Gallons a year at the newer rating |
|---|---|---|---|
| 2022 → 2024 | 101 → 87 mpg | -14 mpg | 132 gal |
What EQB 300 4matic fuel costs over a year
At the EPA's 11,500 miles a year, the 2025 Mercedes-Benz EQB 300 4matic burns 132 to 132 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 | $397 | $397 | $0 |
| $3.50/gal | $463 | $463 | $0 |
| $4.00/gal | $529 | $529 | $0 |
EPA’s own estimate for the 2025 model year is $850 to $850 a year in fuel, or $7,000 less than the average new vehicle over five years.
How it compares with other Small Sport Utility Vehicle 4WD
Across the 311 nameplates EPA classifies as Small Sport Utility Vehicle 4WD, the median best combined rating is 27 mpg. At 87 mpg the Mercedes-Benz EQB 300 4matic is 60 mpg better the median, which is worth about $1,028 a year at $3.50 a gallon.
- All Small Sport Utility Vehicle 4WD 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.