Based on data from 35 vehicles, 2,221 fuel-ups and 698,447 miles of driving, the 2018 Mercedes-Benz GLC300 gets a combined Avg MPG of 23.68 with a 0.16 MPG margin of error.

Any Engine Type 2.0L L4 GAS (35) Any Body Style Sport Utility (9) Any Submodel Sport (1) Base (11) 4Matic (23)

Below you can see a distribution of the fuel-ups with 82 outliers (3.56%) removed.

Following shows the average MPG of each of the 35 vehicles in the system.

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• GLC300

  2018 Mercedes-Benz GLC300 2.0L L4 GAS Automatic 9 Speed
  Added Feb 2024 • 21 Fuel-ups

  Property of sbridgeman

• 24.7 Avg MPG

• My GLC300

  2018 Mercedes-Benz GLC300 2.0L L4 GAS Automatic 9 Speed
  Added Dec 2024 • 3 Fuel-ups

  Property of Bayw

• 27.7 Avg MPG

• 2018 GLC300

  2018 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed
  Added Nov 2021 • 106 Fuel-ups

  Property of hddude

• 24.3 Avg MPG

• 2018 Mercedes-Benz GLC300

  2018 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed
  Added Dec 2021 • 155 Fuel-ups

  Property of MWaldo

• 26.2 Avg MPG

• My GLC300

  2018 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed
  Added Jan 2022 • 153 Fuel-ups

  Property of bmdungan

• 23.9 Avg MPG

• Queen's MB

  2018 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed Sport Utility
  Added May 2024 • 304 Fuel-ups

  Property of ashill

• 24.0 Avg MPG

• Benz GLC300

  2018 Mercedes-Benz GLC300 2.0L L4 GAS Automatic 9 Speed Sport Utility
  Added Jul 2020 • 124 Fuel-ups

  Property of h2ofreeze

• 35.4 Avg MPG

• Der Blau

  2018 Mercedes-Benz GLC300 2.0L L4 GAS Automatic 9 Speed Sport Utility
  Added Mar 2018 • 172 Fuel-ups

  Property of DailyRider

• 28.1 Avg MPG

• Yoly’s GLC300

  2018 Mercedes-Benz GLC300 2.0L L4 GAS Automatic 9 Speed
  Added Apr 2021 • 64 Fuel-ups

  Property of fjnavarrog1962

• 19.4 Avg MPG

• Mercedes-Benz GLC300

  2018 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed
  Added Nov 2017 • 87 Fuel-ups

  Property of manfromiowa

• 26.8 Avg MPG

• My GLC300 4matic

  2018 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed
  Added Jun 2018 • 62 Fuel-ups

  Property of roxanahamilton

• 24.1 Avg MPG

• My GLC300

  2018 Mercedes-Benz GLC300 Sport 2.0L L4 GAS Automatic 9 Speed
  Added Mar 2021 • 107 Fuel-ups

  Property of turo1979

• 21.6 Avg MPG

• GLC300

  2018 Mercedes-Benz GLC300 2.0L L4 GAS Automatic 9 Speed
  Added Nov 2017 • 110 Fuel-ups

  Property of ARTSTER

• 23.1 Avg MPG

• My GLC300

  2018 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed
  Added Jul 2020 • 62 Fuel-ups

  Property of btk467-gmail

• 20.8 Avg MPG

• Lille Skutt

  2018 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed
  Added Aug 2018 • 42 Fuel-ups

  Property of olshalle

• 29.1 Avg MPG

• My GLC300

  2018 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed
  Added Jan 2024 • 3 Fuel-ups

  Property of DeleL

• 16.3 Avg MPG

• Gray GLC300

  2018 Mercedes-Benz GLC300 4Matic 2.0L L4 GAS Automatic 9 Speed Sport Utility
  Added Jun 2018 • 103 Fuel-ups

  Property of wxmanCCM

• 26.7 Avg MPG

• GLC300

  2018 Mercedes-Benz GLC300 4Matic 2,0L L4 GAS Automatic 9 Speed Sport Utility
  Added Sep 2022 • 3 Fuel-ups

  Property of deannigrini

• 14.2 Avg MPG

• MB GLC300 - 2018

  2018 Mercedes-Benz GLC300 2.0L L4 GAS Automatic 9 Speed
  Added Jan 2018 • 123 Fuel-ups

  Property of finop162

• 21.2 Avg MPG

• My GLC300

  2018 Mercedes-Benz GLC300 2.0L L4 GAS Automatic 9 Speed
  Added Sep 2018 • 103 Fuel-ups

  Property of pappawoy

• 26.1 Avg MPG

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