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Daimler 360 GRAD - FAKTEN zur Nachhaltigkeit 2008
Daimler Nachhaltigkeitsbericht 2008 / Environmental protection, innovation, and safety / Innovation, development and safety /
Sustainable mobility strategy for passenger cars
Concepts for reducing CO 2
In February 2007, the European Commission presented a strategy paper that calls for the introduction of improved
vehicle technology in order to reduce the CO 2 emissions of new cars in Europe to an average of 130 grams per
kilometer by 2012. A further reduction of 10 grams is to be achieved through additional measures such as improving
the efficiency of vehicle components and a step-by-step transition to fuels containing less carbon. At the end of
2007, the Commission presented draft legislation for a new regulation that would govern such reductions.
Daimler takes its responsibility here seriously and has already launched significant initiatives to help achieve these
goals. It is very important, however, to maintain a consistent focus on overall vehicle concepts and attain an optimal
balance between aspects such as improved fuel economy, the technology and costs associated with such
improvements, and customer utility. In recent years the Group has taken effective steps that have considerably
reduced the average CO 2 emissions of its fleet.
Further reductions in fuel consumption and CO 2 emissions will be achieved through the introduction of our
BlueEFFICIENCY passenger car models. Of exemplary character here are our two extremely economical
BlueEFFICIENCY sedans, the C 180 KOMPRESSOR BlueEFFICIENCY and the C 200 CDI BlueEFFICIENCY, both of
which will be added to the C-Class program in the spring of 2008. These vehicles illustrate how we were able to
harness potential from all development units to create a package of intelligent measures and technologies that have
reduced fuel consumption by up to 12 percent compared to corresponding production model variants.
Overview of BlueEFFICIENCY measures in the C-Class series:
Lightweight construction
� Weight-optimized laminated windscreen
� Firewall insulation with materials of varying thickness
� Forged lightweight wheels
Aerodynamics
� Full underbody panelling with a smoth surface
� Partially shrouded radiator grille
� Sealed joints at the headlamps
� Streamlined exterior mirror housings
� Lowered suspension
Rolling resistance
� Newly developed tires with 17 percent less rolling resistance
Energy management
� Energy-saving control of the power steering’s servo pump
Drive
� Lower-displacement four-cylinder gasoline engine
� Six-speed manual transmission with overdrive feature
� Rear differentials with low-friction bearings and differential pinion
� Longer rear axle ratio
� Spray-guided gasoline direct injection in the C 350 CGI (end of 2008)
Display concept
� New display of real-time fuel consumption on the instrument panel with shift recommendation