2020 Mercedes-Benz GLB-Class vs 2020 Mercedes-Benz GLS-Class
Published figures side by side. Rows where our sources have no value for a vehicle read “Not available”. Configurations differ within a model year, so ranges are shown where they apply.
| Specification | 2020 Mercedes-Benz GLB-Class | 2020 Mercedes-Benz GLS-Class |
|---|---|---|
| Engine | ||
| Engine | 2.0L 4-cylinder turbocharged (SIDI) | Varies by configuration: 3.0L 6-cylinder turbocharged (SIDI; Mild Hybrid), 4.0L 8-cylinder turbocharged (SIDI; Mild Hybrid) |
| Displacement | 2.0 L | 3.0 L to 4.0 L |
| Cylinders | 4 | 6 to 8 |
| Aspiration | Turbocharged | Turbocharged |
| Fuel type | Gasoline | Hybrid |
| Transmission and drivetrain | ||
| Transmission | Automatic | Automatic |
| Gears | 8 | 9 |
| Drivetrain | Varies by configuration: FWD, 4WD | 4WD |
| Fuel economy and range | ||
| Combined | 26 mpg (9.0 L/100 km) | 21 mpg (11.2 L/100 km) to 18 mpg (13.1 L/100 km) |
| City | 23 mpg (10.2 L/100 km) | 19 mpg (12.4 L/100 km) to 16 mpg (14.7 L/100 km) |
| Highway | 31 mpg (7.6 L/100 km) to 30 mpg (7.8 L/100 km) | 23 mpg (10.2 L/100 km) to 21 mpg (11.2 L/100 km) |