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2021 Mercedes-Benz GLS
SUV · 2017–2024
Trims and features
Engines: 3.0L 6-cyl turbo; 4.0L 8-cyl turbo · Drive: 4WD
2021 GLS trims
| AMG GLS63 | GLS450-4M | GLS580-4M | GLS600-4M | |
|---|---|---|---|---|
| Seats | 7 | 7 | 7 | 4 |
| Rows of seats | 3 | 3 | 3 | 2 |
| Wheels | 21 in | — | 21 in | 22 in |
| Adaptive cruise control | Standard | Optional | Optional | Standard |
| Automatic emergency braking | Standard | Standard | Standard | Standard |
| Forward collision warning | Standard | Standard | Standard | Standard |
| Blind-spot warning | Standard | Standard | Standard | Standard |
| Lane departure warning | Standard | Optional | Optional | Standard |
| Lane keeping assist | Standard | Optional | Optional | Standard |
| Lane centering | — | Optional | Optional | — |
| Backup camera | Standard | Standard | Standard | Standard |
| Parking assist | Standard | Standard | Standard | Standard |
| Automatic high beams | Standard | Standard | Standard | Standard |
| Adaptive driving beam headlights | Standard | Standard | Standard | Standard |
| Headlights | LED | LED | LED | LED |
| Push-button start | Standard | Standard | Standard | Standard |
From NHTSA's vehicle database (vPIC), as Mercedes-Benz reports it: base price, seating and driver-assistance equipment by trim. Tech and comfort features (CarPlay, heated seats, sunroof) for Mercedes-Benz aren't in our data yet. "Varies": standard on some versions of the trim.
Year by year
| Year | Engines | Drive | Fuel economy | Crash rating | Recalls | Owner complaints | Collision warning | CarPlay |
|---|---|---|---|---|---|---|---|---|
| 2024 | 3.0L 6-cyl turbo, 375 hp 4.0L 8-cyl turbo, 510–603 hp | AWD | 16–21 mpg | Not rated | 0 | 19 | Standard | — |
| 2023 | 3.0L 6-cyl turbo, 362 hp 4.0L 8-cyl turbo, 483–603 hp | AWD | 16–20 mpg | Not rated | 5 | 10 | Standard | — |
| 2022 | 3.0L 6-cyl turbo, 362 hp 4.0L 8-cyl turbo, 483–603 hp | 4WD, AWD | 15–20 mpg | Not rated | 10 | 16 | Standard | — |
| 2021 | 3.0L 6-cyl turbo 4.0L 8-cyl turbo | 4WD | 16–21 mpg | Not rated | 12 | 37 | Standard | — |
| 2020 | 3.0L 6-cyl turbo, 362 hp 4.0L 8-cyl turbo, 483 hp | 4WD | 18–21 mpg | Not rated | 24 | 38 | Standard | — |
| 2019 | 3.0L 6-cyl turbo, 250–362 hp 4.7L 8-cyl turbo, 429 hp 5.5L 8-cyl turbo, 577 hp | 4WD | 15–18 mpg | Not rated | 3 | 28 | Optional | — |
| 2018 | 3.0L 6-cyl turbo, 250–362 hp 4.7L 8-cyl turbo, 429 hp 5.5L 8-cyl turbo, 577 hp | 4WD | 15–19 mpg | Not rated | 4 | 22 | Optional | — |
| 2017 | 3.0L 6-cyl turbo, 362 hp 4.7L 8-cyl turbo, 429 hp 5.5L 8-cyl turbo, 577 hp | 4WD | 14–19 mpg | Not rated | 10 | 42 | Optional | — |
Owner complaints are unverified reports to NHTSA and aren't adjusted for how many were sold, so compare years of the same model: a tall bar marks a year owners had more trouble with. Collision warning: forward collision warning as NHTSA lists it ("Some versions": standard on some). Sources: EPA, NHTSA, Apple.
Every NHTSA-rated version: crash ratings, safety tech, recalls, complaints
| Year | Version | Stars | Forward collision warning | Lane departure warning | Recalls | Complaints |
|---|---|---|---|---|---|---|
| 2024 | Mercedes-Benz GLS SUV AWD | Not Rated | Standard | Optional | 0 | 19 |
| 2023 | Mercedes-Benz GLS-Class SUV AWD | Not Rated | Standard | Standard | 5 | 10 |
| 2022 | Mercedes-Benz GLS-Class SUV 4WD | Not Rated | Standard | No | 10 | 16 |
| 2021 | Mercedes-Benz GLS-Class SUV 4WD | Not Rated | Standard | No | 12 | 37 |
| 2020 | Mercedes-Benz GLS-Class SUV 4WD | Not Rated | Standard | No | 24 | 38 |
| 2019 | Mercedes-Benz GLS-Class SUV 4WD | Not Rated | Optional | Optional | 3 | 28 |
| 2018 | Mercedes-Benz GLS-Class SUV 4WD | Not Rated | Optional | Optional | 4 | 22 |
| 2017 | Mercedes-Benz GLS-Class SUV 4WD | Not Rated | Optional | Optional | 10 | 42 |
Source: NHTSA.
Every EPA-rated version: engines and combined mpg
| Year | EPA model | Engines | Combined |
|---|---|---|---|
| 2024 | AMG GLS63 4matic Plus | Auto 9-spd, 8 cyl, 4.0 L, Turbo | 16 |
| 2024 | GLS450 4matic | Auto 9-spd, 6 cyl, 3.0 L, Turbo | 21 |
| 2024 | GLS580 4matic | Auto 9-spd, 8 cyl, 4.0 L, Turbo | 16 |
| 2024 | GLS600 4matic Maybach | Auto 9-spd, 8 cyl, 4.0 L, Turbo | 16 |
| 2023 | AMG GLS63 4matic Plus | Auto 9-spd, 8 cyl, 4.0 L, Turbo | 16 |
| 2023 | GLS450 4matic | Auto 9-spd, 6 cyl, 3.0 L, Turbo | 20 |
| 2023 | GLS580 4matic | Auto 9-spd, 8 cyl, 4.0 L, Turbo | 18 |
| 2023 | GLS600 4matic Maybach | Auto 9-spd, 8 cyl, 4.0 L, Turbo | 17 |
| 2022 | AMG GLS63 4matic Plus | Auto 9-spd, 8 cyl, 4.0 L, Turbo | 15 |
| 2022 | GLS450 4matic | Auto 9-spd, 6 cyl, 3.0 L, Turbo | 20 |
| 2022 | GLS580 4matic | Auto 9-spd, 8 cyl, 4.0 L, Turbo | 18 |
| 2022 | GLS600 4matic Maybach | Auto 9-spd, 8 cyl, 4.0 L, Turbo | 17 |
| 2021 | AMG GLS63 4matic Plus | Auto 9-spd, 8 cyl, 4.0 L, Turbo | 16 |
| 2021 | GLS450 4matic | Auto 9-spd, 6 cyl, 3.0 L, Turbo | 21 |
| 2021 | GLS580 4matic | Auto 9-spd, 8 cyl, 4.0 L, Turbo | 18 |
| 2021 | GLS600 4matic Maybach | Auto 9-spd, 8 cyl, 4.0 L, Turbo | 16 |
| 2020 | GLS450 4matic | Auto 9-spd, 6 cyl, 3.0 L, Turbo | 21 |
| 2020 | GLS580 4matic | Auto 9-spd, 8 cyl, 4.0 L, Turbo | 18 |
| 2019 | AMG GLS63 | Auto 7-spd, 8 cyl, 5.5 L, Turbo | 15 |
| 2019 | GLS450 4matic | Auto 9-spd, 6 cyl, 3.0 L, Turbo | 18 |
| 2019 | GLS550 4matic | Auto 9-spd, 8 cyl, 4.7 L, Turbo | 16 |
| 2018 | AMG GLS63 | Auto 7-spd, 8 cyl, 5.5 L, Turbo | 15 |
| 2018 | GLS450 4matic | Auto 9-spd, 6 cyl, 3.0 L, Turbo | 19 |
| 2018 | GLS550 4matic | Auto 9-spd, 8 cyl, 4.7 L, Turbo | 16 |
| 2017 | AMG GLS63 | Auto 7-spd, 8 cyl, 5.5 L, Turbo | 14 |
| 2017 | GLS450 4matic | Auto 9-spd, 6 cyl, 3.0 L, Turbo | 19 |
| 2017 | GLS550 4matic | Auto 9-spd, 8 cyl, 4.7 L, Turbo | 16 |
Source: fueleconomy.gov.