Real MPG: Mercedes-Benz GLB (2020 on)
Good interior space for its size. Attractive interior. Broad engine range.
Can be expensive. Boot space in seven-seat mode. Firm ride.
Select engine for more Real MPG information:
| Engine | Official MPG (NEDC) | Official MPG (WLTP) | Real MPG Avg. | Real MPG % | |
| AMG GLB 35 | - | 31.0 mpg | - | -* | |
| GLB 200 | - | 39.2 mpg | 31.0 mpg | 79%* | |
| GLB 200 d | - | 50.4 mpg | - | -* | |
| GLB 220 d | - | 47.1–47.9 mpg | 41.6 mpg | 87%* |
Read the Honest John review...
Mercedes-Benz GLB (2020 on)
Good interior space for its size. Attractive interior. Broad engine range.
Rivals
| Mercedes-Benz GLB (2020 on) | 37.3 | avg mpg |
| MG HS (2020 on) | 35.2 | avg mpg |
| Hyundai Tucson (2021 on) | 42.0 | avg mpg |
| Toyota RAV4 (2019 on) | 49.5 | avg mpg |
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