2018 Mercedes-Benz C300 4matic MPG
EPA-rated · verified snapshot 2026-08-30 · Compact Cars
The 2018 Mercedes-Benz C300 4matic gets 26 MPG combined — 23 city and 32 highway — in its most efficient configuration (2.0L · 4-cyl · Automatic 9-spd · 4-Wheel Drive).
City23 MPG
Highway32 MPG
$2,900Fuel cost / yr (EPA est.)
335 g/miCO₂
PremiumFuel
$-3,5005-yr fuel cost vs. average vehicle
5 / 10EPA Fuel Economy & GHG score
13 ft³Cargo volume
90 ft³Passenger volume
Where it sits among compact cars (2018)
Compared with the 2017 model, the 2018 C300 4matic is -1 MPG worse at its best.
FAQ
Is 26 MPG good for a compact cars like the 2018 C300 4matic?
The 2018 C300 4matic's 26 MPG combined is below the compact cars average of 26.3 MPG for 2018.
How much does it cost to fuel a 2018 C300 4matic per year?
Based on EPA assumptions (15,000 miles/year), estimated annual fuel cost is $2,900 for the most efficient trim.
What is the city and highway MPG of the 2018 C300 4matic?
The most efficient trim is rated 23 MPG city and 32 MPG highway.