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Mercedes-Benz C300 Fuel Economy

EPA-verified MPG for all 52 variants (2015–2026)

30Best MPG
26Avg MPG
52Variants
12Model Years

C300 by model year — click a row to jump to that year

Year Best MPG Avg MPG Variants
2026 29 MPG 28 MPG 2
2025 29 MPG 28 MPG 2
2024 30 MPG 29 MPG 2
2023 29 MPG 26 MPG 6
2022 29 MPG 26 MPG 6
2021 27 MPG 26 MPG 6
2020 28 MPG 25 MPG 6
2019 27 MPG 25 MPG 6
2018 27 MPG 26 MPG 6
2017 28 MPG 26 MPG 6
2016 28 MPG 28 MPG 2
2015 28 MPG 28 MPG 2
2026
2.0L 4-cyl
29MPG combined
25 city · 35 hwy
Gas $2,000/yr
2026
4matic 2.0L 4-cyl
27MPG combined
24 city · 33 hwy
Gas $2,150/yr
2025
2.0L 4-cyl
29MPG combined
25 city · 35 hwy
Gas $2,000/yr
2025
4matic 2.0L 4-cyl
27MPG combined
24 city · 33 hwy
Gas $2,150/yr
2024
2.0L 4-cyl
30MPG combined
26 city · 36 hwy
Gas $1,950/yr
2024
4matic 2.0L 4-cyl
27MPG combined
23 city · 33 hwy
Gas $2,150/yr
2023
2.0L 4-cyl
29MPG combined
25 city · 36 hwy
Gas $2,000/yr
2023
4matic 2.0L 4-cyl
27MPG combined
24 city · 33 hwy
Gas $2,150/yr
2023
Coupe 2.0L 4-cyl
25MPG combined
22 city · 31 hwy
Gas $2,300/yr
2023
4matic Coupe 2.0L 4-cyl
25MPG combined
22 city · 31 hwy
Gas $2,300/yr
2023
4matic Convertible 2.0L 4-cyl
25MPG combined
21 city · 30 hwy
Gas $2,300/yr
2023
Convertible 2.0L 4-cyl
24MPG combined
21 city · 29 hwy
Gas $2,400/yr
2022
2.0L 4-cyl
29MPG combined
25 city · 35 hwy
Gas $2,000/yr
2022
4matic 2.0L 4-cyl
27MPG combined
23 city · 33 hwy
Gas $2,150/yr
2022
Coupe 2.0L 4-cyl
25MPG combined
22 city · 31 hwy
Gas $2,300/yr
2022
4matic Coupe 2.0L 4-cyl
25MPG combined
22 city · 31 hwy
Gas $2,300/yr
2022
Convertible 2.0L 4-cyl
24MPG combined
21 city · 28 hwy
Gas $2,400/yr
2022
4matic Convertible 2.0L 4-cyl
24MPG combined
21 city · 30 hwy
Gas $2,400/yr
2021
Coupe 2.0L 4-cyl
27MPG combined
24 city · 33 hwy
Gas $2,150/yr
2021
4matic 2.0L 4-cyl
27MPG combined
23 city · 33 hwy
Gas $2,150/yr
2021
2.0L 4-cyl
27MPG combined
23 city · 35 hwy
Gas $2,150/yr
2021
Convertible 2.0L 4-cyl
26MPG combined
23 city · 31 hwy
Gas $2,250/yr
2021
4matic Coupe 2.0L 4-cyl
26MPG combined
23 city · 32 hwy
Gas $2,250/yr
2021
4matic Convertible 2.0L 4-cyl
25MPG combined
22 city · 30 hwy
Gas $2,300/yr
2020
2.0L 4-cyl
28MPG combined
24 city · 35 hwy
Gas $2,050/yr
2020
4matic 2.0L 4-cyl
26MPG combined
23 city · 33 hwy
Gas $2,250/yr
2020
4matic Coupe 2.0L 4-cyl
25MPG combined
21 city · 30 hwy
Gas $2,300/yr
2020
Coupe 2.0L 4-cyl
25MPG combined
22 city · 31 hwy
Gas $2,300/yr
2020
Convertible 2.0L 4-cyl
24MPG combined
21 city · 29 hwy
Gas $2,400/yr
2020
4matic Convertible 2.0L 4-cyl
24MPG combined
21 city · 29 hwy
Gas $2,400/yr
2019
2.0L 4-cyl
27MPG combined
23 city · 34 hwy
Gas $2,150/yr
2019
4matic 2.0L 4-cyl
26MPG combined
22 city · 33 hwy
Gas $2,250/yr
2019
Coupe 2.0L 4-cyl
25MPG combined
22 city · 31 hwy
Gas $2,300/yr
2019
4matic Coupe 2.0L 4-cyl
25MPG combined
22 city · 31 hwy
Gas $2,300/yr
2019
Convertible 2.0L 4-cyl
24MPG combined
21 city · 29 hwy
Gas $2,400/yr
2019
4matic Convertible 2.0L 4-cyl
24MPG combined
21 city · 29 hwy
Gas $2,400/yr
2018
2.0L 4-cyl
27MPG combined
24 city · 33 hwy
Gas $2,150/yr
2018
4matic 2.0L 4-cyl
26MPG combined
23 city · 32 hwy
Gas $2,250/yr
2018
4matic Convertible 2.0L 4-cyl
25MPG combined
22 city · 29 hwy
Gas $2,300/yr
2018
4matic Coupe 2.0L 4-cyl
25MPG combined
22 city · 30 hwy
Gas $2,300/yr
2018
Convertible 2.0L 4-cyl
25MPG combined
22 city · 29 hwy
Gas $2,300/yr
2018
Coupe 2.0L 4-cyl
25MPG combined
22 city · 30 hwy
Gas $2,300/yr
2017
2.0L 4-cyl
28MPG combined
24 city · 34 hwy
Gas $2,050/yr
2017
4matic 2.0L 4-cyl
27MPG combined
24 city · 31 hwy
Gas $2,150/yr
2017
Coupe 2.0L 4-cyl
26MPG combined
23 city · 30 hwy
Gas $2,250/yr
2017
Convertible 2.0L 4-cyl
26MPG combined
23 city · 31 hwy
Gas $2,250/yr
2017
4matic Coupe 2.0L 4-cyl
25MPG combined
23 city · 29 hwy
Gas $2,300/yr
2017
4matic Convertible 2.0L 4-cyl
25MPG combined
22 city · 29 hwy
Gas $2,300/yr
2016
2.0L 4-cyl
28MPG combined
25 city · 33 hwy
Gas $2,050/yr
2016
4matic 2.0L 4-cyl
27MPG combined
24 city · 31 hwy
Gas $2,150/yr
2015
2.0L 4-cyl
28MPG combined
25 city · 33 hwy
Gas $2,050/yr
2015
4matic 2.0L 4-cyl
27MPG combined
24 city · 31 hwy
Gas $2,150/yr