Mercedes-Benz GLB250 4matic MPG by year — every rating on record
The Mercedes-Benz GLB250 4matic has a combined EPA fuel economy rating for 7 model years, from 2020 to 2026. Across those years its best rated version returned 27 mpg (2024) and its thirstiest returned 25 mpg (2022). The EPA record holds 7 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 |
|---|---|---|---|---|---|---|---|
| 2020 | 1 | 26 mpg | 26 mpg | #33 of 111 (71th pct) | 4-Wheel Drive | Premium | Small Sport Utility Vehicle 4WD |
| 2021 | 1 | 26 mpg | 26 mpg | #44 of 124 (65th pct) | 4-Wheel Drive | Premium | Small Sport Utility Vehicle 4WD |
| 2022 | 1 | 25 mpg | 25 mpg | #75 of 151 (51th pct) | All-Wheel Drive | Premium | Small Sport Utility Vehicle 4WD |
| 2023 | 1 | 25 mpg | 25 mpg | #93 of 166 (44th pct) | All-Wheel Drive | Premium | Small Sport Utility Vehicle 4WD |
| 2024 | 1 | 27 mpg | 27 mpg | #80 of 176 (55th pct) | All-Wheel Drive | Premium | Small Sport Utility Vehicle 4WD |
| 2025 | 1 | 27 mpg | 27 mpg | #104 of 194 (47th pct) | All-Wheel Drive | Premium | Small Sport Utility Vehicle 4WD |
| 2026 | 1 | 27 mpg | 27 mpg | #107 of 188 (43th pct) | All-Wheel Drive | Premium | 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 GLB250 4matic placed highest in 2020 at #33 of 111, and lowest in 2026 at #107 of 188. It spent 4 of its 7 ranked years in the top half of its class.
Every configuration on record
All 7 configurations EPA lists for this nameplate, newest first.
| Year | Configuration | Engine detail | City | Highway | Combined | Gallons/yr | Barrels/yr | EPA fuel cost/yr | CO2 g/mi | GHG |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 2.0L 4-cyl All-Wheel Drive Automatic (AM8) Premium | SIDI; Mild Hybrid, turbocharged, Hybrid, start-stop | 24 | 33 | 27 | 425.9 | 11.0 | $2,850 | 324 | 5/10 |
| 2025 | 2.0L 4-cyl All-Wheel Drive Automatic (AM8) Premium | SIDI; Mild Hybrid, turbocharged, Hybrid, start-stop | 24 | 33 | 27 | 425.9 | 11.0 | $2,850 | 324 | 5/10 |
| 2024 | 2.0L 4-cyl All-Wheel Drive Automatic (AM8) Premium | SIDI; Mild Hybrid, turbocharged, Hybrid, start-stop | 24 | 32 | 27 | 425.9 | 11.0 | $2,850 | 330 | 5/10 |
| 2023 | 2.0L 4-cyl All-Wheel Drive Automatic (AM8) Premium | SIDI, turbocharged, start-stop | 22 | 30 | 25 | 460.0 | 11.9 | $3,100 | 355 | 5/10 |
| 2022 | 2.0L 4-cyl All-Wheel Drive Automatic (AM8) Premium | SIDI, turbocharged, start-stop | 22 | 30 | 25 | 460.0 | 11.9 | $3,100 | 361 | 5/10 |
| 2021 | 2.0L 4-cyl 4-Wheel Drive Automatic (AM8) Premium | SIDI, turbocharged, start-stop | 23 | 30 | 26 | 442.3 | 11.4 | $3,000 | 347 | 5/10 |
| 2020 | 2.0L 4-cyl 4-Wheel Drive Automatic (AM8) Premium | SIDI, turbocharged, start-stop | 23 | 31 | 26 | 442.3 | 11.4 | $3,000 | 338 | 5/10 |
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 |
|---|---|---|---|
| 2021 → 2022 | 26 → 25 mpg | -1 mpg | 460 gal |
| 2023 → 2024 | 25 → 27 mpg | +2 mpg | 426 gal |
What GLB250 4matic fuel costs over a year
At the EPA's 11,500 miles a year, the 2026 Mercedes-Benz GLB250 4matic burns 426 to 426 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 | $1,278 | $1,278 | $0 |
| $3.50/gal | $1,491 | $1,491 | $0 |
| $4.00/gal | $1,704 | $1,704 | $0 |
EPA’s own estimate for the 2026 model year is $2,850 to $2,850 a year in fuel, or $3,000 more 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 27 mpg the Mercedes-Benz GLB250 4matic is exactly at the median.
- 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.