Mercedes-Benz · 1984–1993 · Diesel
Mercedes-Benz 300 Diesel MPG by year
The EPA has rated 8 model years of the Mercedes-Benz 300 Diesel, from 1984 to 1993. The most fuel-efficient year is the 1993, at 26 MPG combined in its best configuration. The best 1993 model is 18% more efficient than the best 1984 model (26 vs. 22 MPG). The 1993 model is 13% more efficient than the median compact car that year (26 vs. 23 MPG).
Combined MPG by model year
- 300 Diesel, most efficient version
- Range across configurations
- Class median
Shaded band: range across that year's configurations. Class median: same-year models in the same class, rated in MPG. Click a point to open that model year; the table below lists every value.
Every 300 Diesel model year
| Year | Type | Best combined | City / Hwy | Class median | Range | Configs | Fuel / yr |
|---|---|---|---|---|---|---|---|
| 1993 | Diesel | 26 MPG lowest 19 |
23 / 30 | 23 | — | 2 | $2,135 |
| 1992 | Diesel | 25 MPG lowest 19 |
23 / 29 | 23 | — | 2 | $2,220 |
| 1991 | Diesel | 26 MPG | 23 / 30 | 23 | — | 1 | $2,135 |
| 1990 | Diesel | 26 MPG | 23 / 30 | 23 | — | 1 | $2,135 |
| 1987 | Diesel | 24 MPG lowest 20 |
22 / 27 | 24 | — | 3 | $2,312 |
| 1986 | Diesel | 22 MPG | 21 / 24 | 19 | — | 1 | $2,523 |
| 1985 | Diesel | 21 MPG lowest 19 |
19 / 23 | 25 | — | 2 | $2,643 |
| 1984 | Diesel | 22 MPG | 21 / 23 | 24 | — | 4 | $2,523 |
Fuel cost uses today's default prices for every year so model years compare like for like. Sort any column.
Compare 300 Diesel model years
See how much a newer 300 Diesel would save over an older one.
Models similar to the Mercedes-Benz 300 Diesel
Other Mercedes-Benz 300 versions
Frequently asked questions
Which Mercedes-Benz 300 Diesel year has the best fuel economy?
The 1993 Mercedes-Benz 300 Diesel, rated up to 26 MPG combined. At 15,000 miles a year with $3.70/gal diesel fuel, that works out to about $2,135 a year.
Which Mercedes-Benz 300 Diesel year has the worst fuel economy?
The 1985 model, whose most efficient version is rated 21 MPG combined (about $2,643 a year to fuel).
What is the fuel economy of the latest Mercedes-Benz 300 Diesel?
The 1993 Mercedes-Benz 300 Diesel is rated up to 26 MPG combined.