- Scope: The certification mark applies to summer and winter tyres for motor vehicles.
- Basis of certification: The certification mark is awarded within the framework of voluntary testing and certification. The test procedure was developed by TÜV SÜD Product Service. To be awarded the certification mark, the tyre to be tested must neither fall below nor exceed certain threshold values in the test.
It also must meet certain minimum performance requirements compared to the average results of selected benchmarks. When evaluating the tyre against the competitive set, the result achieved by the tested tyre will be placed in relation to the mean value of the collective group. The quotient is the percentage value of the test tyre in the respective test. The mean value of the competitors is always used as the basis, i.e. as 100 per cent. Given this, the tyre will achieve a percentage above or below 100 per cent depending on its performance. Calculation of the percentage is such that performance better than that of the collective group will always achieve a value of > 100 percent while poorer performance will be rated at a value < 100 percent.
Key words of the certification mark: