|Model|| Cylinder |
| Displacement |
| Rated output |
(kW at rpm)
| Top |
| Fuel consumption, combined |
| CO2 emissions combined |
|B 180 CDI BlueEFFICIENCY||R4||1796||80/3200–4600 (80/3200–4600)||190 (190)||4.6–4.4 (4.7–4.4)||121–114 (122–115)|
|B 200 CDI BlueEFFICIENCY||R4||1796||100/3600–4400 (100/3600–4400)||210 (210)||4.6–4.4 (4.7–4.4)||121–115 (122–116)|
The 4-cylinder diesel engine proves its up-to-the-minute qualities in both output categories: it impresses with a hefty torque and its immediate response, even in the lower engine speed range. At the same time the diesel engines are modest when it comes to fuel consumption, they are low on emissions, impress with their significantly improved quiet-running characteristics and with their reduced vibrations.
The B 180 CDI BlueEFFICIENCY and B 200 CDI BlueEFFICIENCY models are available for selection.
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