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Cars › Mercedes-Benz › GLS Class › 2021
2021 Mercedes-Benz GLS Class fuel consumption
3 versions rated. Official figures from the Australian Government’s Green Vehicle Guide.
Fuel use, combined
12.5–13.0 L/100km
lower is better
Cost to run a year
$3,657–$3,804
at 14,000km
CO₂ from the exhaust
285–296 g/km
per kilometre
Uses 58% more fuel than the typical 2021 car, which averaged 7.9 L/100km.
Every 2021 Mercedes-Benz GLS Class version
| Version | Engine | Fuel use | City | Highway | Cost/year | CO₂ |
|---|---|---|---|---|---|---|
| GLS600 Maybach 4MATIC (5 Seats) Wagon Auto | 4L 8cyl Turbo Petrol 98RON | 12.5 | 17.5 | 9.5 | $3,657 | 285 Worse than average |
| GLS600 Maybach 4MATIC (4 Seats) Wagon Auto | 4L 8cyl Turbo Petrol 98RON | 12.5 | 17.5 | 9.5 | $3,657 | 285 Worse than average |
| GLS63 AMG 4MATIC Wagon Auto | 4L 8cyl Turbo Petrol 98RON | 13.0 | 17.5 | 10.0 | $3,804 | 296 Worse than average |
Mercedes-Benz GLS Class in other years
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Figures come from a standardised laboratory test, so every car is measured the same way. Your own fuel use will differ with traffic, load, tyre pressure and how you drive. Running costs assume 14,000km a year at recent average fuel prices.