Mercedes-Benz GLS 550 Gas Mileage (2017 - 2019): Fuel Economy Data

The Mercedes-Benz GLS 550 gas mileage is 16 to 16.5 miles per gallon as specified in our data below, organized by trim, option package, and model year.

For example, the 2017 Mercedes-Benz GLS 550 GLS GLS550 trim model has a combined gas mileage of 16 miles per gallon, while the 2019 Mercedes-Benz GLS 550 GLS GLS550 has a combined gas mileage of 16.5 miles per gallon.

In the city, the GLS 550 gas mileage is 14 miles per gallon.

On the highway, the GLS 550 gas mileage is 18 to 19 miles per gallon depending on the trim and model year.

Note: The gas mileage shown for hybrid vehicles is the miles per gallon equivalent.

Check out the Gas Mileage specifications for other makes and models.

2019 Mercedes-Benz GLS 550 Gas Mileage

The 2019 Mercedes-Benz GLS 550 gas mileage is 16.5 miles per gallon combined.

In the city, the 2019 GLS 550 gas mileage is 14 miles per gallon.

On the highway, the 2019 GLS 550 gas mileage is 19 miles per gallon.

2018 Mercedes-Benz GLS 550 Gas Mileage

The 2018 Mercedes-Benz GLS 550 gas mileage is 16.5 miles per gallon combined.

In the city, the 2018 GLS 550 gas mileage is 14 miles per gallon.

On the highway, the 2018 GLS 550 gas mileage is 19 miles per gallon.

2017 Mercedes-Benz GLS 550 Gas Mileage

The 2017 Mercedes-Benz GLS 550 gas mileage is 16 miles per gallon combined.

In the city, the 2017 GLS 550 gas mileage is 14 miles per gallon.

On the highway, the 2017 GLS 550 gas mileage is 18 miles per gallon.