HomeMercedes-BenzC3002023

2023 Mercedes-Benz C300 MPG

EPA-rated · verified snapshot 2026-08-30 · Compact Cars

The 2023 Mercedes-Benz C300 gets 29 MPG combined — 25 city and 36 highway — in its most efficient configuration (2.0L · 4-cyl · Automatic 9-spd · Rear-Wheel Drive · Hybrid).

29COMBINED MPG
City25 MPG
Highway36 MPG
$2,600Fuel cost / yr (EPA est.)
308 g/miCO₂
PremiumFuel
$-2,0005-yr fuel cost vs. average vehicle
6 / 10EPA Fuel Economy & GHG score
12 ft³Cargo volume
93 ft³Passenger volume
Where it sits among compact cars (2023)

FAQ

Where does the 2023 C300 rank among compact cars for MPG?
The 2023 C300's 29 MPG combined is below the compact cars average of 29.7 MPG for 2023.
How much does it cost to fuel a 2023 C300 per year?
Based on EPA assumptions (15,000 miles/year), estimated annual fuel cost is $2,600 for the most efficient trim.
What is the city and highway MPG of the 2023 C300?
The most efficient trim is rated 25 MPG city and 36 MPG highway.