Mercedes-Benz E400 Convertible MPG by year — every rating on record
The Mercedes-Benz E400 Convertible has a combined EPA fuel economy rating for 4 model years, from 2015 to 2018. Across those years its best rated version returned 23 mpg (2015) and its thirstiest returned 22 mpg (2018). The EPA record holds 4 configurations for this nameplate, most recently a Subcompact Cars.
In the EPA record this nameplate also appears as E400 Convertible and E400 Coupe. The figures below cover every one of them.
Year-by-year EPA ratings
| Model year | Configurations | Best combined | Worst combined | Class rank that year | Drivetrains | Fuel | EPA class |
|---|---|---|---|---|---|---|---|
| 2015 | 1 | 23 mpg | 23 mpg | #44 of 71 (39th pct) | Rear-Wheel Drive | Premium | Subcompact Cars |
| 2016 | 1 | 23 mpg | 23 mpg | #48 of 71 (33th pct) | Rear-Wheel Drive | Premium | Subcompact Cars |
| 2017 | 1 | 23 mpg | 23 mpg | #53 of 88 (40th pct) | Rear-Wheel Drive | Premium | Subcompact Cars |
| 2018 | 1 | 22 mpg | 22 mpg | #60 of 82 (27th 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 E400 Convertible placed highest in 2015 at #44 of 71, and lowest in 2018 at #60 of 82. It spent 0 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 | CO2 g/mi | GHG |
|---|---|---|---|---|---|---|---|---|---|---|
| 2018 | 3.0L 6-cyl Rear-Wheel Drive Automatic 9-spd Premium | SIDI, turbocharged, start-stop | 20 | 26 | 22 | 522.7 | 13.5 | $3,500 | 397 | 4/10 |
| 2017 | 3.0L 6-cyl Rear-Wheel Drive Automatic 7-spd Premium | SIDI, turbocharged, start-stop | 20 | 29 | 23 | 500.0 | 12.9 | $3,350 | 377 | 5/10 |
| 2016 | 3.0L 6-cyl Rear-Wheel Drive Automatic 7-spd Premium | SIDI, turbocharged, start-stop | 20 | 29 | 23 | 500.0 | 12.9 | $3,350 | 377 | 5/10 |
| 2015 | 3.0L 6-cyl Rear-Wheel Drive Automatic 7-spd Premium | SIDI, turbocharged, start-stop | 20 | 29 | 23 | 500.0 | 12.9 | $3,350 | 377 | 6/10 |
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 |
|---|---|---|---|
| 2017 → 2018 | 23 → 22 mpg | -1 mpg | 523 gal |
What E400 Convertible fuel costs over a year
At the EPA's 11,500 miles a year, the 2018 Mercedes-Benz E400 Convertible burns 523 to 523 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 | $1,568 | $1,568 | $0 |
| $3.50/gal | $1,830 | $1,830 | $0 |
| $4.00/gal | $2,091 | $2,091 | $0 |
EPA’s own estimate for the 2018 model year is $3,500 to $3,500 a year in fuel, or $6,250 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 22 mpg the Mercedes-Benz E400 Convertible is 2 mpg below the median, which is worth about $152 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.