The new Mercedes-Benz CLA meets the highest standards with regard to safety, comfort, agility, and design, and was also analysed comprehensively in terms of its environmental impact over the entire lifecycle.

Life Cycle Assessment

Over the entire life cycle of the CLA 180 (Combined fuel consumption (petrol): 5.7–5.4 l/100 km; combined CO₂ emissions: 133–125 g/km*) the life cycle inventory analysis yields an environmental input of approximately 30 tons of CO₂ [1] and around 18 kilograms NOx [1].

[1] Status environmental certificate/certificated values: 2013

Material composition

Steel/ferrous materials account for slightly over half of the vehicle weight (54.9 percent) in the CLA. These are followed by polymer materials at 19.6 percent and light alloys as the third-largest group (12.7 percent).

Secondary and renewable raw materials

In the CLA, 42 components with an overall weight of 30.8 kilograms can be manufactured partly from high-quality recycled plastics. Typical areas of use are wheel arch linings and underbody panels, which consist for the most part of polypropylene.

In automotive production, the use of renewable raw materials is concentrated primarily in the vehicle interior. Conventional natural materials such as coconut, cellulose and wood fibres, wool and natural rubber are also used as standard in the CLA, of course. In the CLA a total of 16 components with a combined weight of 19 kilograms are produced using natural materials.

A biopolymer is used for the engine cover of the new Mercedes-Benz CLA (petrol engine M 270). The polyamide employed in the production of the engine cover for the CLA consists of around 70 percent vegetable raw materials. These are obtained from the seeds of the castor-oil plant. The production of an CLA engine cover from this biopolyamide results in only around 40 percent of the quantity of carbon dioxide emissions which would be necessary in order to produce the same component from a conventional polyamide. The difference per component amounts to around 6.5 kilograms of carbon dioxide emissions. In this way, this technology makes a significant contribution towards climate protection.

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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