2021 Mercedes-Benz GLS-Class Overview, Reviews, Ratings & Specs

2023 2022 2021 2020 2019 2018 2017
Crash Test
Not Tested
Source NHTSA
MPG (up to)
14 -20 City / 18 -24 HWY
Source FuelEconomy.gov
Horsepower
362 -603
Seats
4 -7
Front passenger 3/4 w/ wheels turned.

Mercedes-Benz GLS-Class Models

Models also known as Trim Levels, are used to identify a vehicle's level of equipment or special features.

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GLS 450
362 HP 21 MPG 6-7 Seats
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GLS 580
483 HP 18 MPG 6-7 Seats
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AMG GLS 63
603 HP 16 MPG 6-7 Seats
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Maybach GLS 600
550 HP 16 MPG 4-5 Seats
Photos may not match model

2021 Mercedes-Benz GLS-Class Owner Reviews

We do not yet have any reviews for the 2021 Mercedes-Benz GLS-Class. If you own this vehicle, please let us know what you think of this car.
Read 2020 Mercedes-Benz GLS-Class Owner Reviews (7) chevronRightAlternative

Ranks #2 Luxury Full Size SUV by Fuel Economy

The 2021 Mercedes-Benz GLS-Class has a combined MPG of 23 which ranks it #2 of 12 other Luxury Full Size SUVs.

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Tie
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2021 Lexus RX
31 MPG
1
Tie
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2021 Land Rover Range Rover
23 MPG
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Tie
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2021 Mercedes-Benz GLS-Class
24 MPG

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Safety & Reliability

NHTSA Logo
NHTSA Crash Test
(Not Rated)
*National Highway Traffic Safety Administration
IIHS Logo
IIHS Crash Test
(Not Tested)
*Insurance Institute for Highway Safety