Model year 2026 · Standard Sport Utility Vehicle 4WD

2026 Mercedes-Benz GLS-Class: recalls, fuel economy and safety ratings

EPA rates the 2026 Mercedes-Benz GLS-Class at 15–21 mpg combined across 4 versions. NHTSA lists 2 safety recalls and 3 owner complaints for this model year.

Safety recalls

2

EPA combined mpg

15–21

NHTSA overall rating

—

Recall file dated Oct 27, 2026 · EPA file dated Sep 29, 2026 · updated Oct 27, 2026, 7:34 AM EDT

NHTSA lists this vehicle as AMG GLS63, AMG GLS63 4MATIC, AMG GLS63 4MATIC+, GLS 450 4MATIC, GLS 580 4MATIC.

Check your own car: enter your 17-character VIN at nhtsa.gov/recalls to see open recalls for that exact vehicle, and contact a Mercedes-Benz dealer to schedule the repair — safety recall repairs are free. The list below covers the whole model year, so not every recall applies to every car.

2026 Mercedes-Benz GLS-Class recalls

NHTSA's recall file lists 2 safety recalls for the 2026 Mercedes-Benz GLS-Class, newest first.

Seat belts: Rear/other: Buckle assembly

NHTSA 26V353000 Reported May 29, 2026
Filed by
Mercedes-Benz USA, LLC
Units affected
203 (estimate)
Problem
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 4MATIC, GLE 450E 4MATIC, GLE 450 4MATIC, and GLE 350 vehicles. The bolts for the rear seat belts may not be tightened properly.
Risk
A loose seat belt may not properly restrain an occupant during a crash, increasing the risk of injury.
Remedy
Dealers will tighten the rear seat belt bolts and replace any missing bolts, free of charge. Owner notification letters were mailed July 17, 2026. Owners may contact MBUSA customer service at 1-800-367-6372. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on June 5, 2026.

Full recall record on nhtsa.gov

Air bags: Passenger side frontal: Cushion

NHTSA 26V199000 Reported Mar 27, 2026
Filed by
Mercedes-Benz USA, LLC
Units affected
932 (estimate)
Problem
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 may have been manufactured incorrectly, which can cause the air bag not to deploy as intended.
Risk
Air bags that do not deploy as intended during a crash increase the risk of injury.
Remedy
Dealers will replace the passenger air bag module, free of charge. Owner notification letters were mailed June 12, 2026. Owners may contact MBUSA customer service at 1-800-367-6372. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning April 3, 2026.

Full recall record on nhtsa.gov

Recall summaries are written by NHTSA from manufacturers' defect reports. Dates are when NHTSA received the report.

2026 Mercedes-Benz GLS-Class fuel economy by version

EPA city/highway/combined estimates for each engine, transmission and drive combination. Annual fuel cost is EPA's estimate for 15,000 miles a year (55% city, 45% highway) at EPA's current fuel-price assumptions; your cost will vary.

2026 Mercedes-Benz GLS-Class EPA fuel economy
VersionEngineTransmissionDriveFuelCity/Hwy/CombFuel cost/yrCO2 g/mi
AMG GLS63 4matic Plus4.0L 8-cyl turbo hybridAutomatic 9-spdAll-Wheel DrivePremium15/20/17 mpg$4,850538
GLS450 4matic3.0L 6-cyl turbo hybridAutomatic 9-spdAll-Wheel DrivePremium19/24/21 mpg$3,900428
GLS580 4matic4.0L 8-cyl turbo hybridAutomatic 9-spdAll-Wheel DrivePremium14/20/16 mpg$5,150539
GLS600 4matic Maybach4.0L 8-cyl turbo hybridAutomatic 9-spdAll-Wheel DrivePremium13/18/15 mpg$5,500585

Source: FuelEconomy.gov (U.S. DOE and EPA), file dated Sep 29, 2026. Each version links to its FuelEconomy.gov record.

EPA estimates come from standardized lab tests so cars can be compared fairly; real-world mileage depends on speed, weather, load, tires and driving style.

2026 Mercedes-Benz GLS-Class crash-test ratings

We did not find NHTSA 5-Star Safety Ratings for the 2026 Mercedes-Benz GLS-Class (checked Oct 26, 2026). NHTSA does not test every model every year; see nhtsa.gov/ratings.

Star ratings compare vehicles of similar size and weight; a frontal rating for a large pickup is not directly comparable with one for a small car.

2026 Mercedes-Benz GLS-Class owner complaints

Owners have filed 3 complaints with NHTSA about the 2026 Mercedes-Benz GLS-Class, most recently on Sep 9, 2026. 0 mention a crash, 0 a fire, 1 injured people and 0 deaths. These are unverified reports; a complaint is not proof of a defect.

Most-cited components in 2026 Mercedes-Benz GLS-Class complaints
Component named in complaintsMentions
Engine2
Equipment: Appliance: Tv/radio/speakers1
Power train1
Unknown or other1

Source: NHTSA consumer complaint files (complaints received since January 1, 2015). One complaint can name several components.

Had a safety problem with your vehicle? You can report it to NHTSA at nhtsa.gov/report-a-safety-problem.

Other Mercedes-Benz GLS-Class model years

Mercedes-Benz GLS-Class by model year
YearCombinedRecallsComplaintsOverall rating
2027 GLS-Class21 mpg———
2025 GLS-Class15–21 mpg110—
2024 GLS-Class16–21 mpg019—
2023 GLS-Class16–20 mpg510—
2022 GLS-Class15–20 mpg1017—
2021 GLS-Class16–21 mpg1238—
2020 GLS-Class18–21 mpg2438—
2019 GLS-Class15–18 mpg328—
2018 GLS-Class15–19 mpg422—
2017 GLS-Class14–19 mpg1042—

All Mercedes-Benz GLS-Class years compared · Decode a VIN

Other 2026 Mercedes-Benz models

2026 Mercedes-Benz AMG GT2026 Mercedes-Benz C-Class2026 Mercedes-Benz CLA-Class2026 Mercedes-Benz CLE-Class2026 Mercedes-Benz E-Class2026 Mercedes-Benz EQE2026 Mercedes-Benz EQS2026 Mercedes-Benz G-Class2026 Mercedes-Benz GLA-Class2026 Mercedes-Benz GLB-Class2026 Mercedes-Benz GLC-Class2026 Mercedes-Benz GLE-Class2026 Mercedes-Benz S-Class2026 Mercedes-Benz SL-Class

Sources

  • Recalls: NHTSA recall flat file (FLAT_RCL_POST_2010), dated Oct 27, 2026, plus a live check of api.nhtsa.gov in your browser.
  • Complaints: NHTSA consumer complaint flat files (COMPLAINTS_RECEIVED), counts only — we do not republish complaint text.
  • Crash tests: NHTSA 5-Star Safety Ratings API.
  • Fuel economy: FuelEconomy.gov vehicles file (U.S. DOE and EPA), dated Sep 29, 2026.
  • NHTSA, EPA and DOE do not endorse OpenVIN. Vehicle names identify vehicles only; OpenVIN is not affiliated with Mercedes-Benz.