Based on data from 19 vehicles, 409 fuel-ups and 131,804 miles of driving, the 2021 Mercedes-Benz GLC300 gets a combined Avg MPG of 22.95 with a 0.41 MPG margin of error.

Any Engine Type 2.0L L4 GAS (18) DIESEL (1) Any Body Style Sport Utility (7) Any Submodel Base (3) 4Matic (16)

Below you can see a distribution of the fuel-ups with 25 outliers (5.76%) removed.

Following shows the average MPG of each of the 19 vehicles in the system.

• Benz 2021

  2021 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed Sport Utility
  Added Aug 2021 • 17 Fuel-ups

  Property of davefink

• 18.1 Avg MPG

• GLC300d

  2021 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed
  Added Feb 2022 • 14 Fuel-ups

  Property of voramanan

• 37.1 Avg MPG

• GLC300

  2021 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed Sport Utility
  Added Dec 2020 • 32 Fuel-ups

  Property of mabelh6

• 21.4 Avg MPG

• LGT-999

  2021 Mercedes-Benz GLC300 4Matic 2,0L L4 GAS Automatic 9 Speed
  Added Sep 2021 • 45 Fuel-ups

  Property of LGT999

• 20.3 Avg MPG

• My GLC300

  2021 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed
  Added Mar 2021 • 62 Fuel-ups

  Property of sharoncrna

• 26.0 Avg MPG

• Mercedes-Benz GLC300 Coupe

  2021 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed
  Added Jun 2021 • 25 Fuel-ups

  Property of bobcheng

• 17.4 Avg MPG

• My GLC300 II

  2021 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed
  Added Oct 2021 • 18 Fuel-ups

  Property of pappawoy

• 24.5 Avg MPG

• 2021 GLC300

  2021 Mercedes-Benz GLC300 2.0L L4 GAS Automatic 9 Speed
  Added Aug 2021 • 23 Fuel-ups

  Property of rfincke

• 22.6 Avg MPG

• MB GLC 300

  2021 Mercedes-Benz GLC300 2.0L L4 GAS Automatic 9 Speed
  Added Jul 2021 • 27 Fuel-ups

  Property of zuberi606

• 22.4 Avg MPG

• 2021 Mercedes GLC300

  2021 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed Sport Utility
  Added Aug 2021 • 41 Fuel-ups

  Property of adpappas

• 25.0 Avg MPG

• Mercedes GLC

  2021 Mercedes-Benz GLC300 4Matic DIESEL Automatic 9 Speed Sport Utility
  Added Apr 2021 • 10 Fuel-ups

  Property of Antonio67

• 114.0 Avg MPG

• GLC300

  2021 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed
  Added Dec 2020 • 47 Fuel-ups

  Property of mbabischkin

• 24.7 Avg MPG

• My GLC300

  2021 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed
  Added Jul 2021 • 15 Fuel-ups

  Property of 2015

• 20.9 Avg MPG

• Wilson

  2021 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed Sport Utility
  Added Feb 2021 • 41 Fuel-ups

  Property of Cottonpatch

• 24.0 Avg MPG

• My GLC300

  2021 Mercedes-Benz GLC300 2.0L L4 GAS Automatic 9 Speed
  Added Sep 2021 • 28 Fuel-ups

  Property of RNClj

• 23.3 Avg MPG

• 2021 Mercedes GLC300

  2021 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed Sport Utility
  Added Dec 2020 • 30 Fuel-ups

  Property of jaymaynard

• 25.5 Avg MPG

• 2021 GLC300

  2021 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed
  Added Feb 2021 • 22 Fuel-ups

  Property of Holger

• 25.6 Avg MPG

• My GLC300

  2021 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed
  Added May 2021 • 12 Fuel-ups

  Property of natchison

• 23.8 Avg MPG

• Benz 2021

  2021 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed Sport Utility
  Added Dec 2020 • 4 Fuel-ups

  Property of FinkelsteinFamily

• 17.2 Avg MPG