According to the German Federal Motor Transport Administration’s official website news, Mercedes-Benz used a “reduction device” through the European 6 emission standards, which is expressly prohibited in Germany, so the models involved will face a ban on sales and a recall situation.
▲ Source German Federal Motor Transport Authority
The letter describes in great detail the use of three software-based “reduction devices” on the OM642 diesel engine used in the Mercedes-Benz E350 BlueTec to “cheat,” and tells Mercedes-Benz that it must fix the problems by July 27, 2023, but that has not been done since. Mercedes-Benz was told it had until July 27, 2023, to fix the problems, but has since been granted an extension.
▲ Source German Federal Motor Transport Authority
The company’s software is based on a sensor that is integrated into the vehicle to control the engine’s operation, thus improving the emission standards.
On the OM642 diesel engine of Mercedes-Benz E-Class, the response “efficiency reduction device” can control the emission of AdBlue mist urea water solution, which is a kind of technology that can produce a catalytic reaction with NOx in the exhaust gas to discharge nitrogen and water, thus reducing pollution.
In fact, earlier this year, Mercedes-Benz faced a class-action lawsuit in the High Court in London, England, by more than 300,000 diesel car owners whose vehicles had been fitted with the “efficiency reduction device” during emissions tests, thereby misleading consumers about “diesel emissions”.
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