2021 Mercedes-Benz GLS450 MPG

Based on data from 4 vehicles, 180 fuel-ups and 68,245 miles of driving, the 2021 Mercedes-Benz GLS450 gets a combined Avg MPG of 20.42 with a 0.44 MPG margin of error.

Below you can see a distribution of the fuel-ups with 6 outliers (3.23%) removed.

Following shows the average MPG of each of the 4 vehicles in the system.

• GLS450

  2021 Mercedes-Benz GLS450 4Matic 3.0L L6 ELECTRIC/GAS Automatic 9 Speed
  Added Dec 2021 • 51 Fuel-ups

  Property of scoppins

• 21.7 Avg MPG

• BIG BERTHA

  2021 Mercedes-Benz GLS450 4Matic 3.0L L6 ELECTRIC/GAS Automatic 9 Speed Sport Utility
  Added Dec 2020 • 85 Fuel-ups

  Property of Zeight

• 22.3 Avg MPG

• My GLS450

  2021 Mercedes-Benz GLS450 4Matic 3.0L L6 ELECTRIC/GAS Automatic 9 Speed
  Added Dec 2021 • 62 Fuel-ups

  Property of punjablion

• 18.9 Avg MPG

• GLS450

  2021 Mercedes-Benz GLS450 4Matic 3.0L L6 ELECTRIC/GAS Automatic 9 Speed
  Added Apr 2022 • 12 Fuel-ups

  Property of Abdullah786

• 22.7 Avg MPG