Click here to see important news regarding the aCar App

2018 Mercedes-Benz GLS450 MPG

Based on data from 1 vehicles, 75 fuel-ups and 30,475 miles of driving, the 2018 Mercedes-Benz GLS450 gets a combined Avg MPG of 18.13 with a 0.43 MPG margin of error.

Below you can see a distribution of the fuel-ups with 2 outliers (2.60%) removed.

2018 Mercedes-Benz GLS450s For Sale Nearby

  • My GLS450

    2018 Mercedes-Benz GLS450 4Matic 3.0L V6 GAS Automatic 9 Speed
    Added Feb 2018 • 99 Fuel-ups

    Property of emeri3016

  • 19.2 Avg MPG

Recent Activity

from other Mercedes-Benz GLS450 vehicles (View All)


Go on a diet.

The less you weigh the easier your car goes up hills!

by djc5581

Read more tips