Mercedes-Benz · model year 2021
2021 Mercedes-Benz GLS-Class
Specifications and certified data for the 2021 model year. All Mercedes-Benz GLS-Class model years →
2021 UK builds, engines & trims
| Build | Engine | Fuel | Gearbox | Power hp | CO₂ g/km | MPG | Record |
|---|---|---|---|---|---|---|---|
| AMG GLS 63 4MATIC+ | 3,982 cc | Hybrid | Automatic | 604 | 295 | — | Dossier |
| AMG GLS 63 4MATIC+ | 3,982 cc | Hybrid | Automatic | 604 | — | — | Dossier |
| AMG GLS 63 4MATIC+ | 3,982 cc | Hybrid | Automatic | 604 | 286 | — | Dossier |
| Maybach GLS 600 4MATIC | 3,982 cc | Hybrid | Automatic | 549 | — | — | Dossier |
| Maybach GLS 600 4MATIC | 3,982 cc | Hybrid | Automatic | 549 | 305 | — | Dossier |
| Maybach GLS 600 4MATIC | 3,982 cc | Hybrid | Automatic | 549 | 295 | — | Dossier |
| GLS 400 d 4MATIC | 2,925 cc | Diesel | Automatic | 325 | 252 | — | Dossier |
| GLS 400 d 4MATIC | 2,925 cc | Diesel | Automatic | 325 | 210 | — | Dossier |
| GLS 400 d 4MATIC | 2,925 cc | Diesel | Automatic | 325 | 210 | — | Dossier |
| GLS 400 d 4MATIC | 2,925 cc | Diesel | Automatic | 325 | 252 | — | Dossier |
| GLS 400 d 4MATIC | 2,925 cc | Diesel | Automatic | 325 | — | — | Dossier |
UK Vehicle Certification Agency fuel & emissions data and ACS catalogue records, Open Government Licence v3.0, VCA ↗.
2021 US EPA fuel-economy records
| Year | Engine | Drive | Transmission | Fuel | MPG (US) comb. | CO₂ g/mi | EV range mi | Source |
|---|---|---|---|---|---|---|---|---|
| 2021 | 3.0 L 6-cyl | 4-Wheel Drive | Automatic 9-spd | Premium | 21 | 414 | — | EPA ↗ |
| 2021 | 4.0 L 8-cyl | 4-Wheel Drive | Automatic 9-spd | Premium | 16 | 539 | — | EPA ↗ |
| 2021 | 4.0 L 8-cyl | 4-Wheel Drive | Automatic 9-spd | Premium | 18 | 491 | — | EPA ↗ |
US EPA test figures (US MPG, US test cycle), fueleconomy.gov ↗, US government public domain.
US safety recalls
-
24V207000 2024-03-15 · model years 2019, 2020, 2021, 2022, 2023
ELECTRICAL SYSTEM:WIRING
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023-2024 GLE 350, 2020-2024 GLE 450, 2020-2023 GLS 580, GLE 580, 2019-2023 GLS 450, 2021-2023 Maybach GLS 600, AMG GLS 63, 2021-2024 AMG GLE 53, AMG GLE 53 Coupe, and AMG GLE 63 S vehicles. A 48-Volt ground connection under the passenger seat may not be secured…
Remedy: Dealers will inspect and tighten the 48-Volt ground connection as necessary, free of charge. Owner notification letters were mailed on May 3, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's…
-
24V118000 2024-02-16 · model years 2020, 2021, 2022, 2023
POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2023 GLE 450 and GLS 450 vehicles. The transmission may not fully downshift in certain conditions, causing the engine to stall.
Remedy: Dealers will update the transmission control unit software, free of charge. Owner notification letters were mailed March 29, 2024. Owners may contact MBUSA customer service at 1-800-367-6372.
-
23V445000 2023-06-26 · model years 2021, 2022, 2023
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2023 C-Class, E-Class, S-Class, CLS, SL, GT, GLC, GLE, GLS, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle details. The fuel pump may shutdown, which can result in a loss of drive power.
Remedy: Dealers will replace the fuel pump, free of charge. Owner notification letters were mailed on June 14, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2023070012.
-
23V177000 2023-03-17 · model years 2020, 2021
VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2021 GLE350, GLE450, GLS450, GLS580, 2021 AMG GLE53, AMG GLE63, Maybach GLS600, AMG GLS63, and 2020 GLE580 vehicles. The air conditioner drain hoses may have been incorrectly installed, causing water to drain into the passenger compartment.
Remedy: Dealers will inspect and reinstall the air conditioner drain hoses, as necessary, free of charge. Owner notification letters were mailed April 28, 2023. Owners may contact MBUSA customer service at 1-800-367-6372. This…
-
22V732000 2022-09-30 · model years 2020, 2021, 2022
SEATS:MID/REAR ASSEMBLY
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 AMG GLS63, 2020-2022 GLS450 and GLS580 vehicles. Due to a manufacturing error, the locks on the third-row seatbacks may fail in the event of a crash.
Remedy: Dealers will inspect and replace the third-row seatback, as necessary, free of charge. Owner notification letters were mailed November 18, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's…
NHTSA recalls database (US government, public domain). Recalls apply to US-market vehicles; check the manufacturer for your country.
Sources
- UK VCA fuel & emissions data — https://carfueldata.vehicle-certification-agency.gov.uk/Open Government Licence v3.0
- US EPA / DOE FuelEconomy.gov — https://www.fueleconomy.gov/feg/ws/index.shtmlUS Government public domain
- NHTSA recalls database — https://www.nhtsa.gov/recallsUS Government public domain
- Car Model Index — https://models.autoculturesociety.com/Compiled record. Sources that do not permit reuse are not copied; this index is credited instead.