Envrionmental certificate Mercedes-Benz SL

The Mercedes-Benz SL not only meets the highest demands in terms of safety, comfort, agility, and design, but also shows significant improvements regarding the examined environmental aspects over the entire lifecycle compared to the predecessor.

  • Lifecycle Assessment
  • Material composition
  • Secondary and renewable raw materials
  • Allergy-tested car cabin

Lifecycle Assessment

Thanks to its higher efficiency in the use phase compared to the previous model, the SL 350 BlueEFFICIENCY produces however over the whole lifecycle, 37 percent (approximately 40 tons [1]) lower CO₂ emissions than those of its predecessor. Regarding the NOx emissions they could be reduced by 32 percent (approximately 17 kilograms [1]) compared to the previous model.

[1] Status environmental certificate/certificated values: 2012

Material composition

In comparison with the prede-cessor the SL 350 BlueEFFICIENCY reveals several differences in the material mix. Due to lightweight construction measures in the areas of body shell and chassis, the SL 350 has an approximately 19.2 percent lower steel content, while the proportion of light alloys increases by around 15.7 percent.

Secondary and renewable raw materials

In the base variant of the SL, a total of 78 components with an overall weight of 32.6 kilograms can be manufactured partly from high-quality recycled plastics. Thus, the weight of secondary raw material components could be increased significantly around 112 percent compared to the previous model. Typical areas of use are wheel arch linings, cable ducts and underbody panels, which consist for the most part of polypropylene.

The process for manufacturing battery holders for the SL is new. Waste products from the production of dashboards for the E-Class are reprocessed so that the high-quality plastic can be recuperated. This is then processed further in the MuCell® (Micro Cellular Foam Injection Moulding) procedure, which is where the finest of gas bubbles are worked into the plastic, causing its density and consequently the weight of the components produced from it to be reduced.

In automotive production, the use of renewable raw materials is concentrated primarily in the vehicle interior. Established natural materials such as wood, coconut and cellulose fibres, virgin wool and cotton are also used, of course, in series produc-tion of the SL. In the base variant of the new SL, a total of 28 components with an overall weight of 17.6 kilograms are made using natural materials. The total weight of components manufactured with the use of renewable raw materials has thus increased by 41.7 percent compared with the preceding model.

Allergy-tested car cabin

Since 2016 all new Mercedes-Benz cars are awarded with the Seal of Quality from the European Centre for Allergy Research Foundation (ECARF).

The ECARF Seal of Quality is used by ECARF to designate products that have been scientifically tested and proven to be suitable for allergy sufferers.

More to European Centre for Allergy Research Foundation (ECARF)

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