Model year 2027 · Standard Sport Utility Vehicle 4WD
2027 Mercedes-Benz GLS-Class: recalls, fuel economy and safety ratings
EPA rates the 2027 Mercedes-Benz GLS-Class at 21 mpg combined across 1 version. NHTSA lists 0 safety recalls and 1 owner complaint for this model year.
Safety recalls
0
EPA combined mpg
21
NHTSA overall rating
—
Recall file dated Oct 28, 2026 · EPA file dated Sep 29, 2026 · updated Oct 28, 2026, 7:36 AM EDT
NHTSA lists this vehicle as GLS 450 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.
2027 Mercedes-Benz GLS-Class recalls
NHTSA's recall file lists 0 safety recalls for the 2027 Mercedes-Benz GLS-Class, newest first.
No recalls are listed for the 2027 Mercedes-Benz GLS-Class in NHTSA's recall file as of Oct 28, 2026.
Recall summaries are written by NHTSA from manufacturers' defect reports. Dates are when NHTSA received the report.
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2027 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.
| Version | Engine | Transmission | Drive | Fuel | City/Hwy/Comb | Fuel cost/yr | CO2 g/mi |
|---|---|---|---|---|---|---|---|
| GLS450 4matic | 3.0L 6-cyl turbo hybrid | Automatic 9-spd | All-Wheel Drive | Premium | 19/24/21 mpg | $3,900 | 424 |
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.
2027 Mercedes-Benz GLS-Class crash-test ratings
We did not find NHTSA 5-Star Safety Ratings for the 2027 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.
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2027 Mercedes-Benz GLS-Class owner complaints
Owners have filed 1 complaint with NHTSA about the 2027 Mercedes-Benz GLS-Class, most recently on Oct 26, 2026. 0 mention a crash, 0 a fire, 0 injured people and 0 deaths. These are unverified reports; a complaint is not proof of a defect.
| Component named in complaints | Mentions |
|---|---|
| Engine | 1 |
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
| Year | Combined | Recalls | Complaints | Overall rating |
|---|---|---|---|---|
| 2026 GLS-Class | 15–21 mpg | 2 | 3 | — |
| 2025 GLS-Class | 15–21 mpg | 1 | 10 | — |
| 2024 GLS-Class | 16–21 mpg | 0 | 19 | — |
| 2023 GLS-Class | 16–20 mpg | 5 | 10 | — |
| 2022 GLS-Class | 15–20 mpg | 10 | 17 | — |
| 2021 GLS-Class | 16–21 mpg | 12 | 38 | — |
| 2020 GLS-Class | 18–21 mpg | 24 | 38 | — |
| 2019 GLS-Class | 15–18 mpg | 3 | 28 | — |
| 2018 GLS-Class | 15–19 mpg | 4 | 22 | — |
| 2017 GLS-Class | 14–19 mpg | 10 | 42 | — |
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Other 2027 Mercedes-Benz models
Sources
- Recalls: NHTSA recall flat file (FLAT_RCL_POST_2010), dated Oct 28, 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.