More than 90 percent of the Mercedes-Benz Cars fleet already comply with the strict Euro 6d-TEMP emissions standard (obligatory for all vehicles from 1 September 2019) or even Euro 6d, which will not be in place until January 2020 for new models. And this applies right across the model range: The two-litre diesel engine (OM 654q) in the B 200 d/B 220 d (combined fuel consumption: 4.5-4.2 l/100 km; combined CO2 emissions: 119-112 g/km)[1] and in the A 200 d/A 220 d (combined fuel consumption: 4.5-4.0 l/100 km; combined CO2 emissions: 118-107 g/km)6 as well as the six-cylinder diesel engine in the new GLE (GLE 350 d 4MATIC/400 d 4MATIC: combined fuel consumption: 7.5-7.0 l/100 km; combined CO2 emissions: 199-184 g/km)6 are certified according to Euro 6d including RDE Stage 2.
Shortly after the introduction of the WLTP test procedure (Worldwide Harmonized Light Vehicle Test Procedure) major revisions were once again made to the provisions at the beginning of 2019. Just 20 days following publication of the latest EU regulation on the WLTP, this so-called WLTP 2nd Act has already entered into force and, starting in 2019, must be successively taken into consideration during certification. The Regulation 2018/1832 was published in the EU Gazette on 27 November 2018, and it has been in use since 17 December 2018. As of 1 January 2019 new measurements have to be carried out in accordance with the provisions of this regulation.
The changes are extensive: The regulation on the WLTP previously encompassed around 700 pages, and now with the 2nd Act another 300 pages have been added. You will find the most important changes in the section “Background: The WLTP 2nd Act” in this chapter.
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SOURCE: Daimler
