Mercedes-Benz · Subcompact cars · Gasoline
Mercedes-Benz C-Class: MPG and annual fuel cost, 2023
The Mercedes-Benz C-Class was last rated in the data for model year 2023, at 25 MPG combined.
- 25MPG combined
- $3,300a year in fuel
- 358g/mile CO2
Where it stands
Among all gasoline models of the year, regardless of size, it is tied for 10th of 35 gasoline models, in the upper half.
Fuel cost and CO2
The file prices the fuel for its most efficient version at about $3,300 a year, assuming 15,000 miles a year with 55% of them in the city and premium gasoline at $5.48 per gallon.
Tailpipe CO2 is 358 g/mile for the most efficient version.
Rated versions
Its city rating is 21 and its highway rating 30: the highway figure is 9 higher. 8 versions are rated for 2023. The most efficient, C300 4matic Convertible: 2.0 L, 4 cyl, Automatic 9-spd, AWD, gets 25 MPG; the least efficient listed, AMG C63 S Coupe: 4.0 L, 8 cyl, Automatic 9-spd, RWD, gets 19 MPG, a gap of 6 MPG. With the file's assumptions that gap is worth about $1,050 a year in fuel.
| Version | Combined MPG | City MPG | Highway MPG | Annual fuel cost | CO2 g/mile |
|---|---|---|---|---|---|
| C300 4matic Convertible: 2.0 L, 4 cyl, Automatic 9-spd, AWD | 25 | 21 | 30 | $3,300 | 358 |
| C300 4matic Coupe: 2.0 L, 4 cyl, Automatic 9-spd, AWD | 25 | 22 | 31 | $3,300 | 351 |
| C300 Coupe: 2.0 L, 4 cyl, Automatic 9-spd, RWD | 25 | 22 | 31 | $3,300 | 351 |
| C300 Convertible: 2.0 L, 4 cyl, Automatic 9-spd, RWD | 24 | 21 | 29 | $3,400 | 370 |
| AMG C43 4matic Convertible: 3.0 L, 6 cyl, Automatic 9-spd, AWD | 22 | 18 | 28 | $3,750 | 412 |
| AMG C43 4matic Coupe: 3.0 L, 6 cyl, Automatic 9-spd, AWD | 21 | 18 | 27 | $3,900 | 413 |
| AMG C63 S Convertible: 4.0 L, 8 cyl, Automatic 9-spd, RWD | 19 | 16 | 24 | $4,350 | 461 |
| AMG C63 S Coupe: 4.0 L, 8 cyl, Automatic 9-spd, RWD | 19 | 16 | 24 | $4,350 | 461 |
Year by year
The Mercedes-Benz C-Class is in the data for 5 of the 8 model years from 2019 to 2026. Between 2019 and 2023 the best combined rating fell by 2 MPG, from 27 to 25. The highest figure came in 2020, at 28. The number of rated versions shrank from 15 to 8. Fuel cost for the best version is $3,300 in the latest data against $3,050 in 2019, although the file applies today's fuel prices to every model year, so that change comes from the rating, not from prices.
| Model year | Versions | Best MPG | Lowest MPG | Fuel cost | CO2 g/mi | Class median |
|---|---|---|---|---|---|---|
| 2023 | 8 | 25 | 19 | $3,300 | 358 | 25 |
| 2022 | 6 | 25 | 22 | $3,300 | 350 | 26 |
| 2021 | 15 | 27 | 20 | $3,050 | 329 | 26 |
| 2020 | 15 | 28 | 20 | $2,950 | 315 | 26 |
| 2019 | 15 | 27 | 20 | $3,050 | 330 | 25 |
Similar models
| Model | Powertrain | Combined MPG | Annual fuel cost | Model year |
|---|---|---|---|---|
| Audi TT | Gasoline | 25 | $2,700 | 2023 |
Compare and rank
Rankings: Subcompact cars.
Data: US EPA and DOE, as prepared in methods and data.