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New Class-Action Suit Filed Against Mercedes

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Shalini Shah1 year ago

Owners of a Mercedes diesel car filed a lawsuit against the company in the United States claiming the automaker used a defeat device to cheat in emissions testing.

About the Mercedes Emissions Lawsuit

In the complaint that was filed in New Jersey, plaintiffs claimed that Mercedes “passed the dynamometer test in all tests, but failed the real world tests,” which is indicative that Mercedes uses a defeat device.

Reuters reports Daimler, the company that owns the carmaker, has stated that they consider this lawsuit baseless and unfounded. The company’s position still stands that a component that inadmissibly reduces emissions is not used in Mercedes-Benz vehicles.

A previous complaint was already filed in February suggesting that tests had shown the Mercedes BlueTEC car produced nitrogen oxide emissions in all road tests. The results of the nitrogen oxide emissions were far higher on the road tests than controlled lab tests.

This complaint was more limited as it alleged Daimler knowingly programmed its clean diesel vehicles to emit illegal levels of nitrogen oxide in low temperatures.

BlueTEC is a filter system which uses urea to help rid of exhaust fumes of health threatening nitric oxides. This filter system is pretty expensive and is used mainly in heavier cars like large limousines or sports utility vehicles, which are equipped with powerful diesel engines.

The U.S Environmental Protection Agency said it had requested information from Daimler in the light of the lawsuit, but had not opened an official investigation.

Information regarding Nitrogen Oxide Emission

Nitrogen Oxide is an irritant gas that is released during fuel combustion. This is produced during the reaction of nitrogen and oxygen gases in the air during combustion, especially at high temperatures.

The United States Environmental Protection Agency reports the following side effect linked to Nitrogen Oxide and Nitrogen Dioxide emissions:

  • Airway inflammation
  • Increased Visits to ER for Asthma
  • Nitrogen Oxide in Vehicle concentrations 2-3times higher than measured by nearby roadway
  • Cause/Worsen respiratory diseases
  • Aggravate Heart Diseases


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