Mercedes-Benz E450 Convertible MPG by year — every rating on record
The Mercedes-Benz E450 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 23 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 | 23 mpg | 23 mpg | #56 of 85 (35th pct) | Rear-Wheel Drive | Premium | Subcompact Cars |
| 2020 | 1 | 23 mpg | 23 mpg | #57 of 87 (35th pct) | Rear-Wheel Drive | Premium | Subcompact Cars |
| 2021 | 1 | 25 mpg | 25 mpg | #38 of 79 (53th pct) | Rear-Wheel Drive | Premium | Subcompact Cars |
| 2022 | 1 | 25 mpg | 25 mpg | #40 of 74 (47th pct) | Rear-Wheel Drive | Premium | Subcompact Cars |
| 2023 | 1 | 25 mpg | 25 mpg | #39 of 75 (49th pct) | Rear-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 Convertible placed highest in 2021 at #38 of 79, and lowest in 2020 at #57 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 Rear-Wheel Drive Automatic 9-spd Premium | SIDI; Mild Hybrid, turbocharged, Hybrid, start-stop | 22 | 29 | 25 | 460.0 | 11.9 | $3,100 | 360 | 5/10 |
| 2022 | 3.0L 6-cyl Rear-Wheel Drive Automatic 9-spd Premium | SIDI; Mild Hybrid, turbocharged, Hybrid, start-stop | 22 | 29 | 25 | 460.0 | 11.9 | $3,100 | 360 | 5/10 |
| 2021 | 3.0L 6-cyl Rear-Wheel Drive Automatic 9-spd Premium | SIDI; Mild Hybrid, turbocharged, Hybrid, start-stop | 23 | 30 | 25 | 460.0 | 11.9 | $3,100 | 349 | 5/10 |
| 2020 | 3.0L 6-cyl Rear-Wheel Drive Automatic 9-spd Premium | SIDI, turbocharged, start-stop | 20 | 27 | 23 | 500.0 | 12.9 | $3,350 | 393 | 5/10 |
| 2019 | 3.0L 6-cyl Rear-Wheel Drive Automatic 9-spd Premium | SIDI, turbocharged, start-stop | 20 | 27 | 23 | 500.0 | 12.9 | $3,350 | 393 | 5/10 |
How the rating has moved between model years
Comparing the best-rated configuration of each year. 1 of 1 year-over-year steps improved the top rating.
| Change | Best combined | Delta | Gallons a year at the newer rating |
|---|---|---|---|
| 2020 → 2021 | 23 → 25 mpg | +2 mpg | 460 gal |
What E450 Convertible fuel costs over a year
At the EPA's 11,500 miles a year, the 2023 Mercedes-Benz E450 Convertible burns 460 to 460 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 | $1,380 | $1,380 | $0 |
| $3.50/gal | $1,610 | $1,610 | $0 |
| $4.00/gal | $1,840 | $1,840 | $0 |
EPA’s own estimate for the 2023 model year is $3,100 to $3,100 a year in fuel, or $4,250 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 25 mpg the Mercedes-Benz E450 Convertible is 1 mpg better the median, which is worth about $67 a year at $3.50 a gallon.
- 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.