REAL MPG:
Mercedes-Benz B-Class (2012 - 2018)
000241
31–64
Real MPG
49.6
Average
Loads of cabin space front and rear, excellent safety kit, good range of efficient engines, classy image.
Firm ride on all models and worse on the sportier versions, inconsistent steering response, dash-top screen and infotainment system not the best.
Select engine for more Real MPG information:
| Engine | Official MPG | Real MPG Avg. | Real MPG % | |
| B180 | 42.2–68.9 mpg | 44.4 mpg | 80% |  |
| B180 4Matic | 42.2 mpg | - | - | |
| B180 Automatic | 45.6–51.4 mpg | 38.4 mpg | 79% | |
| B180 CDI Automatic | 64.2–68.9 mpg | 51.5 mpg | 77% | |
| B180 CDI Eco | 74.3–78.5 mpg | 53.6 mpg | 70% | |
| B180 d | 68.9–70.6 mpg | 54.1 mpg | 77% | |
| B180 d Automatic | 68.9–70.6 mpg | 54.4 mpg | 78% | |
| B200 | 44.1–49.6 mpg | 43.4 mpg | 93% | |
| B200 Automatic | 44.1–51.4 mpg | 48.5 mpg | 102% | |
| B200 BlueEfficiency | 46.3 mpg | 36.3 mpg | 78% | |
| B200 CDI | 64.2 mpg | 55.1 mpg | 86% | |
| B200 CDI Automatic | 62.8–67.3 mpg | 52.6 mpg | 81% | |
| B200 d | 65.7–67.3 mpg | 57.0 mpg | 86% | |
| B200 d Automatic | 52.3–70.6 mpg | 53.6 mpg | 87% | |
| B220 4Matic | 42.2 mpg | - | - | |
| B220 CDI 4Matic Automatic | 56.5 mpg | - | - | |
| B220 CDI Automatic | 65.7 mpg | 46.9 mpg | 71% | |
| B220 d Automatic | 52.3–67.3 mpg | 47.6 mpg | 80% | |
| B220 d Automatic 4Matic | 48.7–56.5 mpg | - | - | |
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Mercedes-Benz B-Class (2012 - 2018)
Loads of cabin space front and rear, excellent safety kit, good range of efficient engines, classy image.
Rivals
| Mercedes-Benz B-Class (2012 - 2018) | 49.6 | avg mpg |
| Citroen C4 Picasso (2013 - 2018) | 48.8 | avg mpg |
| Volkswagen Golf SV (2014 - 2020) | 47.9 | avg mpg |
| Fiat 500L MPW (2013 - 2018) | 41.8 | avg mpg |
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