Model year
2021 Mercedes-Benz GLS-Class
NHTSA does not list the EPA model name GLS-Class for 2021. Under the matched names AMG GLS63, AMG GLS63S, GLS450, and GLS580, NHTSA lists 12 recalls and 38 complaints (recall file dated Oct 23, 2026; complaint file dated Oct 23, 2026). The components listed on the most complaints for GLS450 are ELECTRICAL SYSTEM (13), UNKNOWN OR OTHER (8), ENGINE (3). NHTSA lists crash-test variants for this model year and marks the overall rating Not Rated. EPA rates it 16–21 mpg combined depending on configuration (fuel economy file dated Sep 29, 2026). EPA's annual fuel-cost figures for these configurations are $3,900–$5,150, based on 15,000 miles and 55% city driving.
- 2017 42 complaints
- 2018 22 complaints
- 2019 28 complaints
- 2020 38 complaints
- 2021 38 complaints
- 2022 17 complaints
- 2023 10 complaints
- 2024 19 complaints
- 2025 10 complaints
- 2026 3 complaints
- 2027 0 complaints
Matched NHTSA names
The EPA model name is not itself a name in the NHTSA file for 2021. The counts in the answer are the sum of the names below. Overlap between those names is not removed.
| NHTSA name | Recalls | Complaints | Investigations |
|---|---|---|---|
| AMG GLS63 | 10 | 2 | 0 |
| AMG GLS63S | 1 | 0 | 0 |
| GLS450 | 12 | 31 | 0 |
| GLS580 | 11 | 5 | 0 |
Recalls for GLS450
24V207000 · Mar 15, 2024
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…
24V118000 · Feb 16, 2024
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.
23V445000 · Jun 26, 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.
23V177000 · Mar 17, 2023
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…
22V732000 · Sep 30, 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.
22V680000 · Sep 12, 2022
STRUCTURE:BODY
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2022 GLE350, GLE450, GLS450, 2021-2022 AMG GLE53, 2020-2021 GLE580, GLS580, and 2021 GLE400e, AMG GLS63, AMG GLE63 S, and Maybach GLS600 vehicles. Due to a manufacturing error, the rear door window trim bars may detach.
22V365000 · May 20, 2022
COMMUNICATION: AUTO CRASH NOTIFICATION; ELECTRICAL SYSTEM:SOFTWARE
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2022 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, AMG GT-Class, C-Class, E-Class, S-Class, SL-Class, GLC-Class, CLS-Class, GLB-Class, and G-Class vehicles. Please refer to MBUSA's recall report for…
22V231000 · Apr 8, 2022
ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2022 GLE450, GLS450, 2021-2022 AMG GLE53, 2020-2021 GLE580, GLS580, 2021 AMG GLE63, Maybach GLS600 and AMG GLS63 vehicles. A ground cable bolt for the 48V ground connection under the front passenger seat may not be…
21V832000 · Oct 22, 2021
VISIBILITY:GLASS, SIDE/REAR
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2021 GLE 350, GLE 580, GLS 450, GLS 580, AMG GLE 53, AMG GLE 63 S, and AMG GLS 63 S vehicles. The rear window may be insufficiently bonded to the tailgate, which could allow the rear glass to detach.
21V354000 · May 14, 2021
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA; ELECTRICAL SYSTEM:SOFTWARE
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2021 CLA-Class, GLE/GLS-Class, A-Class, E-Class, E-Class Coupe and Convertible, GLA/GLB-Class, GLC-Class, CLS-Class, and AMG GT-Class 4-door Coupe vehicles. Please refer to MBUSA's recall report for specific vehicle model…
2 more recalls are in the NHTSA file for this name and are not listed here. Campaign numbers above link to NHTSA.
Complaints for GLS450
31 distinct complaints. Crash flag on 1, fire flag on 2, injury field 1, deaths field 0. A complaint can be counted under more than one component. The injury and death figures are the file's numbers (the highest value on each complaint, then added), not a separate verified count of people.
Investigations for GLS450
No investigations are matched to this name.
Safety ratings
| Variant | Overall | Front | Side | Pole | Rollover | Photo |
|---|---|---|---|---|---|---|
| SUV 4WD | Not rated | Not Rated | Not Rated | Not Rated | Not Rated · possibility 0 | — |
Fuel economy
| Configuration | Fuel | City | Hwy | Comb | kWh/100 mi | Range | Annual fuel cost |
|---|---|---|---|---|---|---|---|
| AMG GLS63 4matic Plus · 4L · Automatic 9-spd · 4-Wheel Drive | Premium Gasoline · Hybrid | 14 | 18 | 16 | — | — | $5,150 |
| GLS450 4matic · 3L · Automatic 9-spd · 4-Wheel Drive | Premium Gasoline · Hybrid | 20 | 24 | 21 | — | — | $3,900 |
| GLS600 4matic Maybach · 4L · Automatic 9-spd · 4-Wheel Drive | Premium Gasoline · Hybrid | 15 | 19 | 16 | — | — | $5,150 |
| GLS580 4matic · 4L · Automatic 9-spd · 4-Wheel Drive | Premium Gasoline · Hybrid | 16 | 21 | 18 | — | — | $4,550 |
Open this model year in the fuel-cost calculator. The calculator starts with no fuel price filled in.
Check a vehicle
This page is not a VIN lookup. NHTSA's recall tool checks a specific vehicle: nhtsa.gov/recalls. NHTSA's page for this model year is 2021 Mercedes-Benz GLS-Class at NHTSA. Complaint narratives stay on NHTSA's site and are not copied here.