Based on data from 18 vehicles, 1,136 fuel-ups and 302,034 miles of driving, the 2015 Mercedes-Benz S550 gets a combined Avg MPG of 18.66 with a 0.23 MPG margin of error.

Any Engine Type 4.6L V8 GAS (9) 4.7L V8 GAS (9) Any Body Style Sedan (7) Any Submodel Base (3) 4Matic (15)

Below you can see a distribution of the fuel-ups with 20 outliers (1.73%) removed.

Following shows the average MPG of each of the 18 vehicles in the system.

• S 550

  2015 Mercedes-Benz S550 4Matic 4.7L V8 GAS Automatic 7 Speed Sedan
  Added Nov 2023 • 101 Fuel-ups

  Property of VitC

• 18.2 Avg MPG

• My S550

  2015 Mercedes-Benz S550 4Matic 4.7L V8 GAS Automatic 7 Speed
  Added Oct 2025 • 9 Fuel-ups

  Property of Leonator134

• 21.4 Avg MPG

• My S550

  2015 Mercedes-Benz S550 4Matic 4.7L V8 GAS Automatic 7 Speed
  Added Mar 2018 • 83 Fuel-ups

  Property of 2015benz

• 17.6 Avg MPG

• My S550

  2015 Mercedes-Benz S550 4Matic 4.7L V8 GAS Automatic 7 Speed
  Added Aug 2025 • 15 Fuel-ups

  Property of GasHawk

• 18.0 Avg MPG

• Mercedes S550 AMG

  2015 Mercedes-Benz S550 4Matic 4.7L V8 GAS Automatic 7 Speed
  Added Feb 2024 • 9 Fuel-ups

  Property of danielandsony

• 37.7 Avg MPG

• My S550

  2015 Mercedes-Benz S550 4Matic 4.6L V8 GAS Automatic 7 Speed
  Added Feb 2018 • 222 Fuel-ups

  Property of dixhillsFrank

• 19.7 Avg MPG

• S550 Mercedes Benz

  2015 Mercedes-Benz S550 4Matic 4.7L V8 GAS Automatic 7 Speed
  Added Dec 2023 • 9 Fuel-ups

  Property of Scorpman

• 15.1 Avg MPG

• B’s 15 Merc S550

  2015 Mercedes-Benz S550 4.6L V8 GAS Automatic 7 Speed
  Added Apr 2019 • 79 Fuel-ups

  Property of TNReader

• 19.8 Avg MPG

• S550

  2015 Mercedes-Benz S550 4Matic 4.7L V8 GAS Automatic 7 Speed Sedan
  Added Sep 2016 • 160 Fuel-ups

  Property of biervergnugen

• 16.4 Avg MPG

• Sharon's Mercedes

  2015 Mercedes-Benz S550 4Matic 4.7L V8 GAS Automatic 7 Speed
  Added May 2023 • 43 Fuel-ups

  Property of dschiller321

• 22.2 Avg MPG

• Mike's Benz

  2015 Mercedes-Benz S550 4Matic 4.6L V8 GAS Automatic 7 Speed Sedan
  Added Apr 2018 • 150 Fuel-ups

  Property of Bigmike2002

• 20.1 Avg MPG

• Benz

  2015 Mercedes-Benz S550 4Matic 4.7L V8 GAS Automatic 7 Speed Sedan
  Added May 2021 • 36 Fuel-ups

  Property of vexed

• 24.0 Avg MPG

• My S550

  2015 Mercedes-Benz S550 4Matic 4.6L V8 GAS Automatic 7 Speed
  Added Apr 2016 • 76 Fuel-ups

  Property of Ponderosa

• 20.3 Avg MPG

• Doug's Mercedes

  2015 Mercedes-Benz S550 4.6L V8 GAS Automatic 7 Speed Sedan
  Added Jul 2018 • 27 Fuel-ups

  Property of ranger0787

• 17.1 Avg MPG

• S550

  2015 Mercedes-Benz S550 4.6L V8 GAS Automatic 7 Speed Sedan
  Added Oct 2018 • 54 Fuel-ups

  Property of jaypatel06

• 19.4 Avg MPG

• S550

  2015 Mercedes-Benz S550 4Matic 4.6L V8 GAS Automatic 7 Speed Sedan
  Added Oct 2016 • 97 Fuel-ups

  Property of Hawk375

• 17.1 Avg MPG

• Mercedes Benz

  2015 Mercedes-Benz S550 4Matic 4.6L V8 GAS Automatic 7 Speed
  Added Sep 2016 • 3 Fuel-ups

  Property of landmmac

• 13.4 Avg MPG

• My Mercedes S550 4Matic

  2015 Mercedes-Benz S550 4Matic 4.6L V8 GAS Automatic 7 Speed
  Added May 2014 • 27 Fuel-ups

  Property of dochusar

• 20.7 Avg MPG