Based on data from 20 vehicles, 1,012 fuel-ups and 319,013 miles of driving, the 2021 Mercedes-Benz GLC300 gets a combined Avg MPG of 22.90 with a 0.25 MPG margin of error.

Any Engine Type 2.0L L4 GAS (19) DIESEL (1) Any Body Style Sport Utility (7) Any Submodel Base (3) 4Matic (17)

Below you can see a distribution of the fuel-ups with 99 outliers (8.91%) removed.

Following shows the average MPG of each of the 20 vehicles in the system.

• 2021 Mercedes GLC300

  2021 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed Sport Utility
  Added Aug 2021 • 144 Fuel-ups

  Property of adpappas

• 23.7 Avg MPG

• My GLC300 II

  2021 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed
  Added Oct 2021 • 74 Fuel-ups

  Property of pappawoy

• 24.1 Avg MPG

• GLC300

  2021 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed Sport Utility
  Added Dec 2020 • 113 Fuel-ups

  Property of mabelh6

• 22.0 Avg MPG

• My GLC300

  2021 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed
  Added Oct 2024 • 15 Fuel-ups

  Property of TBuck

• 22.8 Avg MPG

• My GLC300

  2021 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed
  Added Mar 2021 • 169 Fuel-ups

  Property of sharoncrna

• 25.9 Avg MPG

• Otto

  2021 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed
  Added Sep 2024 • 6 Fuel-ups

  Property of Chiphead

• 20.2 Avg MPG

• GLC300d

  2021 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed
  Added Feb 2022 • 61 Fuel-ups

  Property of voramanan

• 36.8 Avg MPG

• Mercedes-Benz GLC300 Coupe

  2021 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed
  Added Jun 2021 • 66 Fuel-ups

  Property of bobcheng

• 18.1 Avg MPG

• AIIT-622

  2021 Mercedes-Benz GLC300 4Matic 2,0L L4 GAS Automatic 9 Speed
  Added Sep 2021 • 170 Fuel-ups

  Property of LGT999

• 22.8 Avg MPG

• Mercedes GLC

  2021 Mercedes-Benz GLC300 4Matic DIESEL Automatic 9 Speed Sport Utility
  Added Apr 2021 • 25 Fuel-ups

  Property of Antonio67

• 118.3 Avg MPG

• GLC300

  2021 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed
  Added Dec 2020 • 113 Fuel-ups

  Property of mbabischkin

• 24.6 Avg MPG

• My GLC300

  2021 Mercedes-Benz GLC300 2.0L L4 GAS Automatic 9 Speed
  Added Sep 2021 • 84 Fuel-ups

  Property of RNClj

• 22.3 Avg MPG

• MB GLC 300 1st

  2021 Mercedes-Benz GLC300 2.0L L4 GAS Automatic 9 Speed
  Added Jul 2021 • 71 Fuel-ups

  Property of zuberi606

• 22.9 Avg MPG

• 2021 GLC300

  2021 Mercedes-Benz GLC300 2.0L L4 GAS Automatic 9 Speed
  Added Aug 2021 • 59 Fuel-ups

  Property of rfincke

• 23.0 Avg MPG

• My GLC300

  2021 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed Sport Utility
  Added Jul 2021 • 24 Fuel-ups

  Property of 2015

• 21.4 Avg MPG

• Benz 2021

  2021 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed Sport Utility
  Added Aug 2021 • 21 Fuel-ups

  Property of davefink

• 18.2 Avg MPG

• 2021 Mercedes GLC300

  2021 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed Sport Utility
  Added Sep 2022 • 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