Mercedes-Benz E450 4matic Convertible MPG by year — every rating on record
The Mercedes-Benz E450 4matic Convertible has a combined EPA fuel economy rating for 5 model years, from 2019 to 2023. Across those years its best rated version returned 25 mpg (2021) and its thirstiest returned 22 mpg (2019). The EPA record holds 5 configurations for this nameplate, most recently a Subcompact Cars.
Year-by-year EPA ratings
| Model year | Configurations | Best combined | Worst combined | Class rank that year | Drivetrains | Fuel | EPA class |
|---|---|---|---|---|---|---|---|
| 2019 | 1 | 22 mpg | 22 mpg | #61 of 85 (29th pct) | 4-Wheel Drive | Premium | Subcompact Cars |
| 2020 | 1 | 22 mpg | 22 mpg | #63 of 87 (28th pct) | 4-Wheel Drive | Premium | Subcompact Cars |
| 2021 | 1 | 25 mpg | 25 mpg | #36 of 79 (55th pct) | 4-Wheel Drive | Premium | Subcompact Cars |
| 2022 | 1 | 24 mpg | 24 mpg | #45 of 74 (40th pct) | 4-Wheel Drive | Premium | Subcompact Cars |
| 2023 | 1 | 24 mpg | 24 mpg | #45 of 75 (41th pct) | All-Wheel Drive | Premium | Subcompact 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 E450 4matic Convertible placed highest in 2021 at #36 of 79, and lowest in 2020 at #63 of 87. It spent 1 of its 5 ranked years in the top half of its class.
Every configuration on record
All 5 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 3.0L 6-cyl All-Wheel Drive Automatic 9-spd Premium | SIDI; Mild Hybrid, turbocharged, Hybrid, start-stop | 22 | 29 | 24 | 479.2 | 12.4 | $3,250 | 362 | 5/10 |
| 2022 | 3.0L 6-cyl 4-Wheel Drive Automatic 9-spd Premium | SIDI; Mild Hybrid, turbocharged, Hybrid, start-stop | 22 | 29 | 24 | 479.2 | 12.4 | $3,250 | 362 | 5/10 |
| 2021 | 3.0L 6-cyl 4-Wheel Drive Automatic 9-spd Premium | SIDI; Mild Hybrid, turbocharged, Hybrid, start-stop | 23 | 29 | 25 | 460.0 | 11.9 | $3,100 | 353 | 5/10 |
| 2020 | 3.0L 6-cyl 4-Wheel Drive Automatic 9-spd Premium | SIDI, turbocharged, start-stop | 19 | 26 | 22 | 522.7 | 13.5 | $3,500 | 408 | 4/10 |
| 2019 | 3.0L 6-cyl 4-Wheel Drive Automatic 9-spd Premium | SIDI, turbocharged, start-stop | 19 | 26 | 22 | 522.7 | 13.5 | $3,500 | 408 | 4/10 |
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 |
|---|---|---|---|
| 2020 → 2021 | 22 → 25 mpg | +3 mpg | 460 gal |
| 2021 → 2022 | 25 → 24 mpg | -1 mpg | 479 gal |
What E450 4matic Convertible fuel costs over a year
At the EPA's 11,500 miles a year, the 2023 Mercedes-Benz E450 4matic Convertible burns 479 to 479 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 | $1,438 | $1,438 | $0 |
| $3.50/gal | $1,677 | $1,677 | $0 |
| $4.00/gal | $1,917 | $1,917 | $0 |
EPA’s own estimate for the 2023 model year is $3,250 to $3,250 a year in fuel, or $5,000 more than the average new vehicle over five years.
How it compares with other Subcompact Cars
Across the 461 nameplates EPA classifies as Subcompact Cars, the median best combined rating is 24 mpg. At 24 mpg the Mercedes-Benz E450 4matic Convertible is exactly at the median.
- All Subcompact 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.