After reaching a ten-figure settlement  with the U.S. federal government last year, Mercedes-Benz is now facing  new allegations of skirting diesel emissions regulations. Deutsche  Umwelthilfe (Environmental Action Germany), a German environmental and  consumer protection non-profit organization, published a report claiming  that a diesel-powered 2016 Mercedes-Benz E-Class model is fitted with  eight emissions defeat devices that were not previously known about. 
The report claimed when tested the model in question emitted nitrogen oxide at levels 500% over the legal limit, according to Engine + Powertrain Technology International.  Six of the eight alleged defeat devices are related to the vehicle’s  selective catalytic reduction (SCR) system. The SCR system, marketed  under the name BlueTEC, is meant to reduce emissions by converting  nitrogen oxide to lower its total concentration that leaves the exhaust.
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