Currently reading: German transport ministry investigating possible defeat device in Mercedes-Benz diesels
C-Class and GLC could be recalled, affecting more than 600,000 cars in Germany alone

The German transport ministry, the Kraftfahrt-Bundesamt (KBA), is investigating the Mercedes-Benz C-Class and Mercedes-Benz GLC over emissions manipulation software, reports German publication Der Spiegel, via Reuters

No formal summons has been received by Daimler from the KBA and a Mercedes spokesman was unavailable for comment. 

Der Spiegel reported that the KBA is investigating illegal emissions manipulation devices, shortly after the ministry ordered a recall on the 1.6-litre diesel Mercedes Vito for controls over the van’s emissions, which were alleged to be in contravention of the country’s laws. 

The only diesel engine shared between the C-Class and the GLC is the OM651, a 2.2-litre unit used on cars badged 220d and 250d in the two ranges, although this hasn’t been officially confirmed as the engine in question.

The news comes almost three years after the Volkswagen emissions scandal first broke but less than a year after a £195 million recall of more than three million Mercedes cars across Europe to tweak their emissions software. That recall added software to reduce emissions and Mercedes hoped that it would “strengthen confidence” for customers. 

The OM651 engine was affected in this previous recall and is also found in the Mercedes-Benz B-Class and Mercedes-Benz E-Class. These models were not mentioned in the latest report, however. 

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