2022 Mercedes-Benz GLS450 Tire Size

This number indicates that your tire has a width of 275 millimeters.

The tire size was designed to fit rims or wheels that are 20 inches in diameter.

This tire has a load index of 109, which means it's capable of carrying a load of 2266 pounds (1030 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

This number means that your tire has an aspect ratio of 50%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 50% of the width.  In this case, the sidewall height works out to be 137 millimeters.

This letter denotes how your tire was constructed.  Radial is the standard construction method for about 99% of all tires sold today.

This tire has a speed rating of H, which means 130 mph (210 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.

This number indicates that your tire has a width of 315 millimeters.

The tire size was designed to fit rims or wheels that are 21 inches in diameter.

This tire has a load index of 111, which means it's capable of carrying a load of 2398 pounds (1090 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

This number means that your tire has an aspect ratio of 40%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 40% of the width.  In this case, the sidewall height works out to be 126 millimeters.

This letter denotes how your tire was constructed.  Radial is the standard construction method for about 99% of all tires sold today.

This tire has a speed rating of H, which means 130 mph (210 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.

This number indicates that your tire has a width of 275 millimeters.

The tire size was designed to fit rims or wheels that are 21 inches in diameter.

This tire has a load index of 107, which means it's capable of carrying a load of 2145 pounds (975 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

This number means that your tire has an aspect ratio of 45%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 45% of the width.  In this case, the sidewall height works out to be 123 millimeters.

This letter denotes how your tire was constructed.  Radial is the standard construction method for about 99% of all tires sold today.

This tire has a speed rating of H, which means 130 mph (210 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.

This number indicates that your tire has a width of 325 millimeters.

The tire size was designed to fit rims or wheels that are 22 inches in diameter.

This tire has a load index of 114, which means it's capable of carrying a load of 2596 pounds (1180 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

This number means that your tire has an aspect ratio of 40%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 40% of the width.  In this case, the sidewall height works out to be 130 millimeters.

This letter denotes how your tire was constructed.  Radial is the standard construction method for about 99% of all tires sold today.

This tire has a speed rating of Y, which means 186 mph (300 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.

This number indicates that your tire has a width of 285 millimeters.

The tire size was designed to fit rims or wheels that are 22 inches in diameter.

The mark of XL means extra load.  A tire with this designation can handle higher inflation pressures than a regular tire, which increases its maximum load.

This tire has a load index of 114, which means it's capable of carrying a load of 2596 pounds (1180 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

This number means that your tire has an aspect ratio of 45%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 45% of the width.  In this case, the sidewall height works out to be 128 millimeters.

This letter denotes how your tire was constructed.  Radial is the standard construction method for about 99% of all tires sold today.

This tire has a speed rating of Y, which means 186 mph (300 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.

This number indicates that your tire has a width of 325 millimeters.

The tire size was designed to fit rims or wheels that are 23 inches in diameter.

This tire has a load index of 111, which means it's capable of carrying a load of 2398 pounds (1090 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

This tire has a speed class of Z, which means it's part of an elite speed class of 149 mph or more (240 km/h).  A tire's speed class is less specific than the speed rating.

This number means that your tire has an aspect ratio of 35%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 35% of the width.  In this case, the sidewall height works out to be 113 millimeters.

This letter denotes how your tire was constructed.  Radial is the standard construction method for about 99% of all tires sold today.

This tire has a speed rating of Y, which means 186 mph (300 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.

This number indicates that your tire has a width of 285 millimeters.

The tire size was designed to fit rims or wheels that are 23 inches in diameter.

This tire has a load index of 107, which means it's capable of carrying a load of 2145 pounds (975 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

This number means that your tire has an aspect ratio of 40%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 40% of the width.  In this case, the sidewall height works out to be 114 millimeters.

This letter denotes how your tire was constructed.  Radial is the standard construction method for about 99% of all tires sold today.

This tire has a speed rating of Y, which means 186 mph (300 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.