2024 Mercedes-Benz GLC300 MPG
EPA-rated · verified snapshot 2026-08-30 · Small Sport Utility Vehicle 2WD
The 2024 Mercedes-Benz GLC300 gets 29 MPG combined — 26 city and 33 highway — in its most efficient configuration (2.0L · 4-cyl · Automatic 9-spd · Rear-Wheel Drive · Hybrid).
City26 MPG
Highway33 MPG
$2,600Fuel cost / yr (EPA est.)
311 g/miCO₂
PremiumFuel
$-2,0005-yr fuel cost vs. average vehicle
6 / 10EPA Fuel Economy & GHG score
Where it sits among compact suvs (2024)
Compared with the 2023 model, the 2024 GLC300 is +1 MPG better at its best.
FAQ
Does the 2024 GLC300 get good gas mileage for its class?
The 2024 GLC300's 29 MPG combined is below the compact suvs average of 41.3 MPG for 2024.
How much does it cost to fuel a 2024 GLC300 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 2024 GLC300?
The most efficient trim is rated 26 MPG city and 33 MPG highway.