|Model|| Cylinder |
| Displacement |
| Rated output |
(kW at rpm)
| Top |
| Fuel consumption combined |
| CO2 emissions combined |
|B 180 BlueEFFICIENCY||R4||1595||90/5000 (90/5000)||190 (190)||6.2–5.9 (6.2–5.9)||144–137 (145–137)|
|B 200 BlueEFFICIENCY||R4||1595||115/5300 (115/5300)||220 (220)||6.2–5.9 (6.2–5.9)||144–138 (145–138)|
|B 250 BlueEFFICIENCY||R4||1991||-(155/5500)||-(240)||-(6.3–6.2)||-(147–145)|
The completely redeveloped 4-cylinder powerplant with a displacement of 1.6 litres, direct petrol injection, variable valve timing and turbocharger, offers outstanding torque and power and exemplary quiet-running not to mention appropriately low fuel consumption and emissions.
The B 180 BlueEFFICIENCY and B 200 BlueEFFICIENCY models are available to choose from.
Figures in brackets apply to vehicles with automatic transmission
 Figures for rated output and rated torque in accordance with Directive 80/1269/EEC in the currently applicable version.
 The figures shown for fuel consumption and CO2 emissions were obtained in accordance with the prescribed measuring process (Directive 80/1268/EEC in its currently applicable version). The figures do not apply to a specific vehicle and do not constitute part of the product offer. They are provided solely for the purposes of comparison between different vehicle models