CO₂ emissions: 11 of 21 variants rated.
Mercedes-Benz GLS 63 AMG tops the Mercedes-Benz GLS ranking by CO₂ emissions, at 288 g/km.
Across 11 ranked variants, CO₂ emissions spans from 187 g/km to 288 g/km.
| # | Variant | Year | Body | Fuel | CO₂ emissions |
|---|---|---|---|---|---|
| 1 | Mercedes-Benz GLS 63 AMG | 2015 | SUV | Petrol | 288 g/km |
| 2 | Mercedes-Benz GLS 63 AMG 4MATIC+ | 2020 | SUV | Petrol | 273 g/km |
| 3 | Mercedes-Benz GLS 500 4MATIC | 2015 | SUV | Petrol | 255 g/km |
| 4 | Mercedes-Benz GLS 450 4MATIC AMG Line | 2023 | SUV | Petrol | 247 g/km |
| 5 | Mercedes-Benz GLS 450 4MATIC Exclusive Line | 2023 | SUV | Petrol | 238 g/km |
| 6 | Mercedes-Benz GLS 450 d 4MATIC AMG Line | 2023 | SUV | Diesel | 223 g/km |
| 7 | Mercedes-Benz GLS 580 4MATIC | 2019 | SUV | Petrol | 223 g/km |
| 8 | Mercedes-Benz GLS 450 d 4MATIC Exclusive Line | 2023 | SUV | Diesel | 215 g/km |
| 9 | Mercedes-Benz GLS 400 4MATIC | 2015 | SUV | Petrol | 206 g/km |
| 10 | Mercedes-Benz GLS 350 d 4MATIC | 2015 | SUV | Diesel | 190 g/km |
| 11 | Mercedes-Benz GLS 400 d 4MATIC | 2019 | SUV | Diesel | 187 g/km |