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BlueTEC/Controversies

BlueTEC controversies

Controversies tied to this brand in public sources. A listing is not a finding of fault.

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  1. 2018Reported allegations concerning emissions software
  2. 2016TNO real-world emissions findings
  3. 2016U.S. emissions investigation and litigation

  1. 2018

    Reported allegations concerning emissions software

    German media reported allegations that U.S. investigators had identified software functions in Mercedes-Benz diesel vehicles that could recognize test conditions or deactivate emissions controls after a specified driving distance. The reports described disputed allegations rather than a single definitive finding covering every BlueTEC vehicle.

    Source

  2. 2016

    TNO real-world emissions findings

    Dutch testing organization TNO reported that a Mercedes-Benz C 220 CDI BlueTEC emitted more than forty times its laboratory nitrogen-oxide result during on-road testing below 10 degrees Celsius. Mercedes-Benz stated that the temperature-related emissions behavior was permissible.

    Source

  3. 2016

    U.S. emissions investigation and litigation

    The U.S. Department of Justice requested that Mercedes-Benz USA review its diesel emissions-certification processes, while private plaintiffs alleged that BlueTEC vehicles used unlawful emissions-control strategies.

    Source