The 2026 Mercedes-Benz GLS-Class is 205.5″ long, 79.9″ wide and 71.7″ tall on a 123.2″ wheelbase, and weighs 5,765 lb. At 17.1 ft it fits a standard garage but overhangs an 18-foot street space.
Every Mercedes-Benz GLS-Class generation, measured
| Generation | Length | Width | Height | Wheelbase | Curb weight |
|---|---|---|---|---|---|
| 2017–2026 | 202″ | 76″ | 72.8″ | 121.3″ | 5,578 lb |
GLS-Class year by year
| Model year | Length | Width | Wheelbase | Curb weight | Body styles |
|---|---|---|---|---|---|
| 2026 | 205.5″ | 79.9″ | 123.2″ | 3 | |
| 2025 | 205.5″ | 79.9″ | 123.2″ | 3 | |
| 2024 | 205.5″ | 79.9″ | 123.2″ | 3 | |
| 2023 | 205.1″ | 79.9″ | 123.2″ | 2 | |
| 2022 | 205.1″ | 79.9″ | 123.2″ | 2 | |
| 2021 | 205.1″ | 79.9″ | 123.2″ | 2 | |
| 2020 | 205.1″ | 79.9″ | 123.2″ | 2 | |
| 2019 | 202″ | 76″ | 121.3″ | 3 | |
| 2018 | 202″ | 76″ | 121.3″ | 3 | |
| 2017 | 202″ | 76″ | 121.3″ | 3 |
GLS-Class on the used market
In 287 GLS-Class listings we have collected since June 2026, the 2017–2026 car is the most common: 282 of them (98%), at an average asking price of $28,778. ForCar visitors have decoded 183 GLS-Class VINs; the most checked model years are 2024, 2025 and 2026.
| Generation | Listings | Share | Average asking price | Average mileage |
|---|---|---|---|---|
| 2017–2026 | 282 | 98% | $28,778 | 86,156 mi |
| Other years | 5 | 2% | $8,335 | 137,352 mi |
Will a GLS-Class fit
| Space | Typical size | This car | Verdict |
|---|---|---|---|
| Single garage | 20 ft deep | 17.1 ft | Fits, with room to open the door |
| Street parking space | 18 ft | 17.1 ft | Overhangs — expect a tight squeeze |
| Standard parking bay width | 8.5 ft wide | 6.7 ft | Room to open doors both sides |
Against cars of the same length
Among the 517 cars within 10″ of its length, the GLS-Class is heavier than 94% and wider than 91%, and has a longer wheelbase than 83%.
| Measure | This car | Typical of 517 cars within 10″ of its length | Difference |
|---|---|---|---|
| Width | 79.9″ | 75.6″ | +4.3″ |
| Wheelbase | 123.2″ | 118.1″ | +5.1″ |
| Curb weight | 5,765 lb | 4,403 lb | +1,362 lb |
GLS-Class against its rivals
| Model | Model year | Length | Width | Curb weight |
|---|---|---|---|---|
| Mercedes-Benz GLS-Class (this car) | 2026 | 205.5″ | 79.9″ | 5,765 lb |
| Toyota Land Cruiser | 2026 | 196.5″ | 78″ | 5,038 lb |
| Kia Telluride | 2026 | 196.9″ | 78.3″ | 4,343 lb |
| Cadillac Escalade | 2026 | 211.8″ | 81.1″ | 5,844 lb |
Specs vary by trim. Yours decodes from the VIN.
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Frequently asked questions
Is the 2026 GLS-Class bigger than the 2025?
No. The 2026 and 2025 GLS-Class are the same size and weight.
Which is bigger, the GLS-Class or the Toyota Land Cruiser?
The 2026 Toyota Land Cruiser is 9.0″ shorter and 727 lb lighter than the 2026 GLS-Class.
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