Click here to see important news regarding the aCar App

2021 Mercedes-Benz GLS450 MPG

Based on data from 1 vehicles, 13 fuel-ups and 5,920 miles of driving, the 2021 Mercedes-Benz GLS450 gets a combined Avg MPG of 20.74 with a 1.66 MPG margin of error.

Below you can see a distribution of the fuel-ups with 0 outliers (0.00%) removed.

2021 Mercedes-Benz GLS450s For Sale Nearby

  • BIG BERTHA

    2021 Mercedes-Benz GLS450 4Matic 3.0L L6 ELECTRIC/GAS Automatic 9 Speed Sport Utility
    Added Dec 2020 • 17 Fuel-ups

    Property of Zeight

  • 20.8 Avg MPG

Recent Activity

from other Mercedes-Benz GLS450 vehicles (View All)

Tips

Cruise control on roads with hills

Never use cruise control on roads with a lot of hills. You w... ...

by AdamStryker

Read more tips