Mercedes Benz under investigation for scandal similar to Volkswagen Dieselgate


On Sunday, Bild am Sonntag reported how documents it had been passed showed how Mercedes employees doubted the legality of software functions that can help a tank of AdBlue last for the entire period between a diesel car's scheduled services. Also, it could be forced to recall all its affected vehicles.

In the wake of Volkswagen's crisis, which affects almost 600,000 US cars from the 2009-16 model years, USA regulators have scrutinized other automakers with diesel vehicles, including Fiat Chrysler Automobiles and Mercedes-Benz.

Daimler said in its quarterly earnings report that it faced ongoing investigations by US and German authorities into excess diesel emissions which could lead to significant penalties and recalls. While there is no confirmation yet that Mercedes-Benz has used a similar emission cheating software as Volkswagen, investigators in US have found irregularity in emission from the diesel powered models of the brand.

In Europe, carmakers have, however, legally made use of a "thermal window", a temperature threshold which allows carmakers to throttle back emissions management systems in order to protect the engine from condensation or other damage.

Passenger auto diesel engines have been the focus of clean air concerns since 2015 Volkswagen admitted to installing defeat software on 480,000 diesel engine passenger cars in the USA, allowing the cars to emit up to 40 times the legally allowed emissions.

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A Daimler spokesperson told Reuters the company was cooperating with U.S. authorities, who knew about the emails, and that Bild had "selectively" released the documents "in order to harm Daimler".

A statement by Daimler said: "We have been cooperating fully for more than two years and are ensuring complete transparency". "The authorities know about the documents and no complaint has been filed". In Volkswagen's case, some so-called AECDs constituted illegal defeat devices.

Earlier this month, German magazine Der Spiegel also reported that officials in Daimler's native country will recall Mercedes-Benz Vito vans next week. Since the Volkswagen scandal, regulators both in the US and Europe have placed intense scrutiny on other automakers' diesel engines, including Mercedes.'s Editorial department is your source for automotive news and reviews.