Mercedes-Benz GLC : Tire labeling / All-weather tires and winter tires

Winter tires bear the
snowflake
symbol
and fulfill the requirements of the Rubber Manufacturers
Association (RMA) and the Rubber
Association of Canada (RAC) regarding the tire
traction on snow.
Load index
:
- No specification given: standard load (SL)
tire
- "XL" or "Extra Load": extra load tire or reinforced
tire
- "Light Load": light load tire
- "C", "D", "E": a load range that depends on
the maximum load that the tire can carry at a
certain pressure
1 "ZR" stated in the tire code.
2 Or "M+Si" for winter tires.
Specifying the speed rating as the "ZR" index
in tire code is optional for
tires up to
186 mph (300 km/h)...
Tire structure and characteristics: describes
the number of layers or the number of rubbercoated
belts in the tire contact surface and the
tire wall...
Other information:
I..
The system may be impaired or may not function
in the following situations, for example:
In snow, rain, fog, heavy spray, if there is
glare, in direct sunlight or in greatly varying
ambient light.
If there is swirling dust, e.g. when driving offroad
or on sandy surfaces...