|Model|| Cylinder |
| Displacement |
| Rated output |
(kW at rpm) 
| Top |
| Fuel consumption |
(l/100 km) 
|CO2 emissions combined (g/km)|
|CLA 180 d||4 in-line||1461||80/4000||205 (205)||4.0–3.7 (4.2-3.8)||108–98 (109-100)|
|CLA 200 d||4 in-line||2143||100/3200–4000||220 (220)||4.4–4.0 (4.2–3.8)||114–104 (110–100)|
|CLA 200 d 4MATIC||4 in-line||2143||100/3400–4400||– (216)||– (4.9–4.6)||– (127–119)|
|CLA 220 d||4 in-line||2143||130/3600–3800||– (232)||– (4.2–4.0)||– (111–104)|
|CLA 220 d 4MATIC||4 in-line||2143||130/3600–3800||– (230)||– (4.9–4.6)||– (127–119)|
The 4-cylinder diesel engines demonstrate hallmark Mercedes qualities: they are modest when it comes to fuel consumption, are low on emissions and impress with their significantly improved quiet-running characteristics and their reduced vibrations.
Figures in brackets apply to vehicles with automatic transmission.
 Figures for rated output and rated torque pursuant to Directive 595/2009/EEC in the currently applicable version.
 The figures shown for fuel consumption and CO2 emissions were obtained in accordance with the prescribed measuring methods (section 2 nos. 5, 6, 6a Pkw-EnVKV as amended). The figures are not based on an individual vehicle and do not constitute part of the product offer; they are provided solely for purposes of comparison between different vehicle models.