Model year
2026 Mercedes-Benz GLS-Class
NHTSA does not list the EPA model name GLS-Class for 2026. Under the matched names AMG GLS63, AMG GLS63 4MATIC, GLS 450 4MATIC, and GLS 580 4MATIC, NHTSA lists 2 recalls and 3 complaints (recall file dated Oct 23, 2026; complaint file dated Oct 23, 2026). The components listed on the most complaints for GLS 450 4MATIC are ENGINE (1), EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS (1), UNKNOWN OR OTHER (1). No NHTSA 5-star rating in the SafetyRatings API is matched to this model year. EPA rates it 15–21 mpg combined depending on configuration (fuel economy file dated Sep 29, 2026). EPA's annual fuel-cost figures for these configurations are $3,900–$5,500, 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 2026. 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 | 0 | 1 | 0 |
| AMG GLS63 4MATIC | 2 | 0 | 0 |
| GLS 450 4MATIC | 2 | 2 | 0 |
| GLS 580 4MATIC | 2 | 0 | 0 |
Recalls for GLS 450 4MATIC
26V353000 · May 29, 2026
SEAT BELTS: REAR/OTHER:BUCKLE ASSEMBLY
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2026 AMG GLS 63 4MATIC+, AMG GLE 63 S 4MATIC+ COUPE, AMG GLE 63 S 4MATIC+, AMG GLE 53 4MATIC+ COUPE, AMG GLE 53 4MATIC+, GLE 450 4MATIC COUPE, GLE 350 4MATIC, Maybach GLS 600 4MATIC, GLS 580 4MATIC, GLS 450 4MATIC, GLE 580…
26V199000 · Mar 27, 2026
AIR BAGS:PASSENGER SIDE FRONTAL:CUSHION
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2026 GLE 350 4MATIC, GLE 450 4MATIC, GLE 350, GLE 580 4MATIC, GLS 580 4MATIC, GLE 450 E 4MATIC, AMG GLE53 4MATIC, AMG GLS63 4MATIC, AMG GLE63 S 4MATIC, GLS 450 4MATIC, and GLS 600 4MATIC vehicles. The passenger air bag fabric…
Complaints for GLS 450 4MATIC
2 distinct complaints. Crash flag on 0, fire flag on 0, 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 GLS 450 4MATIC
No investigations are matched to this name.
Safety ratings
No NHTSA 5-star rating in the Safety Ratings API is matched to this model year.
Fuel economy
| Configuration | Fuel | City | Hwy | Comb | kWh/100 mi | Range | Annual fuel cost |
|---|---|---|---|---|---|---|---|
| AMG GLS63 4matic Plus · 4L · Automatic 9-spd · All-Wheel Drive | Premium Gasoline · Hybrid | 15 | 20 | 17 | — | — | $4,850 |
| GLS600 4matic Maybach · 4L · Automatic 9-spd · All-Wheel Drive | Premium Gasoline · Hybrid | 13 | 18 | 15 | — | — | $5,500 |
| GLS580 4matic · 4L · Automatic 9-spd · All-Wheel Drive | Premium Gasoline · Hybrid | 14 | 20 | 16 | — | — | $5,150 |
| GLS450 4matic · 3L · Automatic 9-spd · All-Wheel Drive | Premium Gasoline · Hybrid | 19 | 24 | 21 | — | — | $3,900 |
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 2026 Mercedes-Benz GLS-Class at NHTSA. Complaint narratives stay on NHTSA's site and are not copied here.