2018 Mercedes-Benz GLS-Class Gas Tank Size

Gas tank size for 2018 Mercedes-Benz GLS-Class. Fuel tank capacity in gallons and litres for 3 available trims.

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TrimGallonsLitresFuel type
  • GLS 450 4MATIC - 4dr SUV
  • (3.0L V6 Twin-turbo AWD 9-speed Automatic)
26.4100Gas
  • GLS 550 4MATIC - 4dr SUV
  • (4.7L V8 Twin-turbo AWD 9-speed Automatic)
26.4100Gas
  • GLS 63 AMG - 4dr SUV
  • (5.5L V8 Twin-turbo AWD 7-speed Automatic)
26.4100Gas
2018 Mercedes-Benz GLS-Class

2018 Mercedes-Benz GLS-Class

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