As you can see from our overview, there are also other important markings on tyres.
You can also identify the directional tread designation, which marks tyres with special tread with an arrow together with the terms "rotation", "direction of rotation" or "direction" and indicates the direction in which the tyre must be mounted. The rotational direction of tyres is particularly important because if a tyre is fitted from the wrong side, the tread pattern will not be able to drain water properly in bad weather conditions. In addition, some tyres have the inscription "Outside" to clearly indicate which side must be mounted outwards if the tyre has different treads.
Most tyres are labelled "tubeless" or "TL" to indicate that the tyre has no inner tube. In general, passenger car tyres are tubeless, with a few exceptions. “Run flat” tyres are a special form of tubeless tyres. They have emergency operation properties and can still be driven in the event of damage. A run flat tyre can be driven for up to 80 kilometres at a speed of 80 km/h, allowing you to make your way to the nearest workshop. Manufacturers use different codes to mark their run flat tyres. The code "CSR" (ContiSupportRing) can still be found on older Continental tyres, but this has been replaced by the new technology for self-supporting run flat tyres with the code "SSR" (Self Supporting Runflat).
M+S stands for mud and snow and indicates that the tyre is suitable for winter weather conditions with snowy or muddy roads. The M+S symbol, however, is not exclusive to the sidewalls of winter tyres, but can also be found on all-season tyres. In the past, all-season tyres with the M+S symbol were sufficient to meet the winter tyre requirement. According to a new regulation, all winter tyres manufactured from 1 January 2018 must also bear an "Alpine" symbol, a three-pronged mountain pictogram with a snowflake. There is no need to replace tyres with M+S prematurely, a transitional period applies until 30 September 2024. After this period, all winter tyres must bear the new alpine pictogram.
Tyres have a wear indicator which is labelled with the letters "TWI" (Tread Wear Indicator). The TWI is stamped in several places on the tyre, making it easy to see the tread wear from the main tread grooves at the same height. This way, you always know when too much tread has worn off and the tyre may no longer be driven according to the rules – less than 1.6 mm.
Vehicle manufacturers are focused on customising and optimising their vehicles and developing what are known as OE tyres in cooperation with Continental. A special symbol is used to identify OE tyres. "OE" stands for original equipment and indicates that the tyres meet the manufacturer's specifications and are recommended for a specific model. The development process runs parallel to the development of the vehicle. The tyres are factory-fitted and are ideally matched to the corresponding model and chassis.