The carmaker has faced several allegations in the past, but the latest relates to the 2016 model.
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The Dieselgate case was mainly associated with the Volkswagen Group, but the truth is that it also affected many other cars, including the Mercedes-Benz brand. The carmaker had to call hundreds of thousands of vehicles and agreed to pay a $ 2.8 billion fine last year. But now another accusation is coming.
According to a report published last week by the German environmental organization Deutsche Umwelthilfe (DUH), the carmaker was to use up to eight allegedly illegal devices handling emissions control devices in a Mercedes-Benz E-Class, first registered in 2016 and meeting the Euro 6 emission standard. .
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The author of the report is Felix Domke, an automotive software expert commissioned by the American law firm Milberg, who focused on the Mercedes-Benz E 350d BlueTEC 4Matic, under the hood of which operates a 3.0-liter diesel six-cylinder called OM642.
A total of six of the allegedly illegal devices should be connected to the SCR catalyst, three of which are to be activated depending on the age of the car in relation to its expected life. The first two devices are said to be activated as early as 1% of age, ie after several thousand kilometers. Additional equipment should then be activated in about 20% of the car’s life. The other two of the eight plants should then affect the exhaust gas recirculation.
„Even under normal driving conditions, at least one device always actively prevents the improvement of emissions, even if it is not physically necessary or necessary to protect the engine. This significantly reduces AdBlue injection, which is essential to reduce nitrogen oxides in the SCR catalyst, as well as exhaust gas recirculation., ”States part of the report.
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The report further states that the car should first be tested on a conventional test facility, where it met the emission limits. While measuring emissions while driving, reportedly on a road with a similar profile, the measuring equipment was supposed to show an increase in nitrogen oxide emissions of 500 percent or more. However, the report shows that only one car was tested.
However, according to the German magazine Automobilwoche, the German authorities have already reacted to the DUH report, quite surprisingly. The German Kraftfahrt-Bundesamt (KBA) knows about allegedly illegal facilities – but does not consider them illegal. “The report lists eight devices for the OM642 diesel model in question. We know about them,“A KBA spokesman should have said, adding that the office did not consider theminadmissible“.
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