2024 Mercedes Benz Glc 300 4matic Suv Mpg Review. How well does this suv coupe handle the track, twisty roads, and a cabin full of toddlers? Even with the mild hybrid assistance, though, the glc300 4matic is rated at up to 24/32 mpg city/highway (2024 model year figure).

Check performance, specs and equipment, and view the verdict from the expert. The epa estimates that the glc300 coupe will deliver 24 mpg city and 30 mpg highway.