2021 Mercedes-Benz C-Class
15 configurations — EPA fuel economy ratings
| Trim / Variant | City MPG | Hwy MPG | Combined MPG | Fuel | Drive | Engine | Transmission |
|---|---|---|---|---|---|---|---|
| AMG C43 4matic | 18 | 27 | 21 | Premium Gasoline | 4-Wheel Drive | 3L 6-cyl Turbo | Automatic 9-spd |
| AMG C43 4matic Convertible | 19 | 27 | 22 | Premium Gasoline | 4-Wheel Drive | 3L 6-cyl Turbo | Automatic 9-spd |
| AMG C43 4matic Coupe | 19 | 27 | 22 | Premium Gasoline | 4-Wheel Drive | 3L 6-cyl Turbo | Automatic 9-spd |
| AMG C63 | 17 | 26 | 21 | Premium Gasoline | Rear-Wheel Drive | 4L 8-cyl Turbo | Automatic 9-spd |
| AMG C63 Convertible | 17 | 25 | 20 | Premium Gasoline | Rear-Wheel Drive | 4L 8-cyl Turbo | Automatic 9-spd |
| AMG C63 Coupe | 17 | 26 | 20 | Premium Gasoline | Rear-Wheel Drive | 4L 8-cyl Turbo | Automatic 9-spd |
| AMG C63 S | 17 | 26 | 21 | Premium Gasoline | Rear-Wheel Drive | 4L 8-cyl Turbo | Automatic 9-spd |
| AMG C63 S Convertible | 17 | 25 | 20 | Premium Gasoline | Rear-Wheel Drive | 4L 8-cyl Turbo | Automatic 9-spd |
| AMG C63 S Coupe | 17 | 26 | 20 | Premium Gasoline | Rear-Wheel Drive | 4L 8-cyl Turbo | Automatic 9-spd |
| C300 | 23 | 35 | 27 | Premium Gasoline | Rear-Wheel Drive | 2L 4-cyl Turbo | Automatic 9-spd |
| C300 4matic | 23 | 33 | 27 | Premium Gasoline | 4-Wheel Drive | 2L 4-cyl Turbo | Automatic 9-spd |
| C300 4matic Convertible | 22 | 30 | 25 | Premium Gasoline | 4-Wheel Drive | 2L 4-cyl Turbo | Automatic 9-spd |
| C300 4matic Coupe | 23 | 32 | 26 | Premium Gasoline | 4-Wheel Drive | 2L 4-cyl Turbo | Automatic 9-spd |
| C300 Convertible | 23 | 31 | 26 | Premium Gasoline | Rear-Wheel Drive | 2L 4-cyl Turbo | Automatic 9-spd |
| C300 Coupe | 24 | 33 | 27 | Premium Gasoline | Rear-Wheel Drive | 2L 4-cyl Turbo | Automatic 9-spd |