El Mercedes-Benz B-Class Facelift 2014 (2014-2018) se ofreció con 20 configuraciones de motor distintas en toda su gama.
| Motor | Potencia | Par motor | Transmisión | Ruedas motrices | Velocidad máxima | 0-100 km/h | Consumo | Disponible en |
|---|---|---|---|---|---|---|---|---|
| 2.0L Gasolina | 211 hp | 350 Nm | Automatic | All Wheel Drive | 235 km/h | 6.7 s | 6.6 l/100km | 3 acabados |
| 2.0L Gasolina | 211 hp | 350 Nm | Automatic | Front Wheel Drive | 240 km/h | 6.8 s | 6.1 l/100km | 3 acabados |
| 2.0L Gasolina | 184 hp | 300 Nm | Automatic | All Wheel Drive | 225 km/h | 7.5 s | 6.6 l/100km | 3 acabados |
| 2.1L Diésel | 177 hp | 350 Nm | Automatic | All Wheel Drive | 220 km/h | 8.3 s | 5.0 l/100km | 3 acabados |
| 2.1L Diésel | 177 hp | 350 Nm | Automatic | Front Wheel Drive | 224 km/h | 8.3 s | 4.1 l/100km | 3 acabados |
| 2.0L Gasolina | 156 hp | 270 Nm | Automatic | Front Wheel Drive | 200 km/h | 9.1 s | 4.4 l/100km | 1 acabado |
| 2.0L Gasolina | 156 hp | 270 Nm | Manual | Front Wheel Drive | 200 km/h | 9.2 s | 4.4 l/100km | 1 acabado |
| 1.6L Gasolina | 156 hp | 250 Nm | Automatic | Front Wheel Drive | 220 km/h | 8.4 s | 5.4 l/100km | 3 acabados |
| 1.6L Gasolina | 156 hp | 250 Nm | Manual | Front Wheel Drive | 220 km/h | 8.6 s | 5.6 l/100km | 3 acabados |
| 2.1L Diésel | 136 hp | 300 Nm | Automatic | All Wheel Drive | 207 km/h | 9.8 s | 5.0 l/100km | 3 acabados |
| 2.1L Diésel | 136 hp | 300 Nm | Automatic | Front Wheel Drive | 210 km/h | 8.9 s | 5.3 l/100km | 5 acabados |
| 2.1L Diésel | 136 hp | 300 Nm | Manual | Front Wheel Drive | 210 km/h | 9.9 s | 4.1 l/100km | 5 acabados |
| 1.6L Gasolina | 122 hp | 200 Nm | Automatic | Front Wheel Drive | 200 km/h | 9.1 s | 5.4 l/100km | 7 acabados |
| 1.6L Gasolina | 122 hp | 200 Nm | Manual | Front Wheel Drive | 200 km/h | 9.0 s | 6.8 l/100km | 9 acabados |
| 1.5L Diésel | 109 hp | 260 Nm | Automatic | Front Wheel Drive | 190 km/h | 11.9 s | 4.0 l/100km | 6 acabados |
| 1.5L Diésel | 109 hp | 260 Nm | Manual | Front Wheel Drive | 190 km/h | 11.6 s | 4.0 l/100km | 9 acabados |
| 1.6L Gasolina | 102 hp | 180 Nm | Automatic | Front Wheel Drive | 190 km/h | 10.7 s | 5.5 l/100km | 3 acabados |
| 1.6L Gasolina | 102 hp | 180 Nm | Manual | Front Wheel Drive | 190 km/h | 10.7 s | 5.5 l/100km | 3 acabados |
| 1.5L Diésel | 90 hp | 240 Nm | Automatic | Front Wheel Drive | 180 km/h | 14.3 s | 4.0 l/100km | 3 acabados |
| 1.5L Diésel | 90 hp | 240 Nm | Manual | Front Wheel Drive | 180 km/h | 14.0 s | 4.0 l/100km | 3 acabados |
Cada fila es una configuración mecánica distinta — cilindrada, potencia, transmisión, tracción y tipo de combustible — deduplicada entre acabados que comparten el mismo motor. Las diferencias solo de acabado (interior, llantas, opciones) no crean una fila aparte.