Unlike previous versions that used a combination of SCR (Selective Catalytic Reduction) technology and an additional diesel particulate filter, this achievement was made possible without an additional particulate filter.
According to Mercedes-Benz, the new EEV engine technology without additional exhaust gas after treatment via SCR is available for the OM457 hLA/LA and 926 LA engines.
The new EEV range will allow companies to own an environmentally-friendly vehicle that will also help them in their marketing campaigns. The purchase of an EEV vehicle helps to promote environmental protection without resulting in an increase in fuel consumption and therefore CO2 output.
The cost of acquisition for the new EEV technology is lower and maintenance costs are also reduced compared to the previous version. Furthermore, incentives may also be possible in transit countries, such as Austria for example.
The technology to fulfill the optional EEV emissions standard is based on Mercedes-Benz BlueTec 5 diesel technology, together with the installation of a number of additional technological details.
The manufacturer says the fuel injection has been changed, and the injection nozzle, piping and mounting systems redesigned. Additional exhaust gas after treatment via SCR is not necessary. In terms of maintenance, service life, fuel consumption and weight, the EEV solution for Mercedes-Benz buses is on a par with established BlueTec 5 technology.
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