Mercedes-Benz E400 4matic MPG by year — every rating on record
The Mercedes-Benz E400 4matic has a combined EPA fuel economy rating for 3 model years, from 2015 to 2018. Across those years its best rated version returned 23 mpg (2018) and its thirstiest returned 22 mpg (2015). The EPA record holds 3 configurations for this nameplate, most recently a Midsize Cars.
Year-by-year EPA ratings
| Model year | Configurations | Best combined | Worst combined | Class rank that year | Drivetrains | Fuel | EPA class |
|---|---|---|---|---|---|---|---|
| 2015 | 1 | 22 mpg | 22 mpg | #77 of 101 (24th pct) | 4-Wheel Drive | Premium | Midsize Cars |
| 2016 | 1 | 22 mpg | 22 mpg | #87 of 112 (23th pct) | 4-Wheel Drive | Premium | Midsize Cars |
| 2018 | 1 | 23 mpg | 23 mpg | #104 of 125 (17th pct) | 4-Wheel Drive | Premium | Midsize 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 4matic placed highest in 2015 at #77 of 101, and lowest in 2018 at #104 of 125. It spent 0 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 | CO2 g/mi | GHG |
|---|---|---|---|---|---|---|---|---|---|---|
| 2018 | 3.0L 6-cyl 4-Wheel Drive Automatic 9-spd Premium | SIDI, turbocharged, start-stop | 20 | 27 | 23 | 500.0 | 12.9 | $3,350 | 396 | 5/10 |
| 2016 | 3.0L 6-cyl 4-Wheel Drive Automatic 7-spd Premium | SIDI, turbocharged, start-stop | 20 | 27 | 22 | 522.7 | 13.5 | $3,500 | 395 | 5/10 |
| 2015 | 3.0L 6-cyl 4-Wheel Drive Automatic 7-spd Premium | SIDI, turbocharged, start-stop | 20 | 27 | 22 | 522.7 | 13.5 | $3,500 | 395 | 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 |
|---|---|---|---|
| 2016 → 2018 | 22 → 23 mpg | +1 mpg | 500 gal |
What E400 4matic fuel costs over a year
At the EPA's 11,500 miles a year, the 2018 Mercedes-Benz E400 4matic burns 500 to 500 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 | $1,500 | $1,500 | $0 |
| $3.50/gal | $1,750 | $1,750 | $0 |
| $4.00/gal | $2,000 | $2,000 | $0 |
EPA’s own estimate for the 2018 model year is $3,350 to $3,350 a year in fuel, or $5,500 more than the average new vehicle over five years.
How it compares with other Midsize Cars
Across the 483 nameplates EPA classifies as Midsize Cars, the median best combined rating is 25 mpg. At 23 mpg the Mercedes-Benz E400 4matic is 2 mpg below the median, which is worth about $140 a year at $3.50 a gallon.
- All Midsize 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.