Daimler, parent company of Mercedes, is recalling more than three million of its cars in Europe to add software which will reduce emissions - a process the brand hopes will “strengthen confidence” for customers.
The brand, which has recently denied allegations in Germany that it has been cheating emission tests, said its service action provides customers with the option to have new software for cars running with the OM 607 turbocharged 1.5-litre four-cylinder diesel engine, which is used in Mercedes A-Class, B-Class, CLA and GLA models, to lower their output of nitrogen oxide.
Also affected are the engines codenamed OM 651 and OM 642 - the former being 2.0-litre and 2.2-litre diesel four-cylinder units, and the latter being Mercedes' 3.0-litre diesel V6. OM 651 is found in cars including the B-Class, C-Class and E-Class, while OM 642 is used in larger cars, such as the E-Class, S-Class and now GLE-badged M-Class.
The OM 607 engine was co-developed by Renault and is also used in some of its models, badged 1.5 dCi. Autocar is awaiting a response from the French brand to confirm the status of those cars, but it is used in the brand's B- and C-segment cars, such as the Clio, Captur, Mégane, Scenic and Kadjar. It's also used in the Nissan Juke, Micra and Qashqai as part of the Renault-Nissan alliance under the same name.