2022 Mercedes-Benz GLC43 AMG Tire Size

Your 2022 Mercedes-Benz GLC43 AMG was manufactured with multiple tire sizes.  Choose a tire size below to get a color-coded explanation of the differences.  Then pick the best tire size for your 2022 Mercedes-Benz GLC43 AMG.

Trim Options:

4Matic4Matic Coupe

285/40R20/XL 108V(Rear)

Simplified Size:  255-45-20

Simplified size is useful for shopping and buying tires.

The original tire size for your 2022 Mercedes-Benz GLC43 AMG is 255/45R20/XL 105V (Front).  A color-coded explanation of the 2022 Mercedes-Benz GLC43 AMG's tire size is shown below.

285

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

20

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

XL

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.

108

This tire has a load index of 108, which means it's capable of carrying a load of 2200 pounds (1000 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

40

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.

R

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

RRadial
BBias Belt
DDiagonal
V

This tire has a speed rating of V, which means 149 mph (240 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.

Trim Options:

4Matic4Matic Coupe

255/45R20/XL 105V(Front)

Simplified Size:  285-40-20

Simplified size is useful for shopping and buying tires.

The original tire size for your 2022 Mercedes-Benz GLC43 AMG is 255/45R20/XL 105V (Front).  A color-coded explanation of the 2022 Mercedes-Benz GLC43 AMG's tire size is shown below.

255

This number indicates that your tire has a width of 255 millimeters.

20

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

XL

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.

105

This tire has a load index of 105, which means it's capable of carrying a load of 2035 pounds (925 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

45

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 114 millimeters.

R

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

RRadial
BBias Belt
DDiagonal
V

This tire has a speed rating of V, which means 149 mph (240 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.

Trim Options:

4Matic4Matic Coupe

285/40ZR20/XL 108Y(Rear)

Simplified Size:  255-45-20

Simplified size is useful for shopping and buying tires.

The original tire size for your 2022 Mercedes-Benz GLC43 AMG is 255/45ZR20/XL 105Y (Front).  A color-coded explanation of the 2022 Mercedes-Benz GLC43 AMG's tire size is shown below.

285

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

20

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

XL

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.

108

This tire has a load index of 108, which means it's capable of carrying a load of 2200 pounds (1000 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

Z

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.

40

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.

R

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

RRadial
BBias Belt
DDiagonal
Y

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.

Trim Options:

4Matic4Matic Coupe

255/45ZR20/XL 105Y(Front)

Simplified Size:  285-40-20

Simplified size is useful for shopping and buying tires.

The original tire size for your 2022 Mercedes-Benz GLC43 AMG is 255/45ZR20/XL 105Y (Front).  A color-coded explanation of the 2022 Mercedes-Benz GLC43 AMG's tire size is shown below.

255

This number indicates that your tire has a width of 255 millimeters.

20

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

XL

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.

105

This tire has a load index of 105, which means it's capable of carrying a load of 2035 pounds (925 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

Z

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.

45

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 114 millimeters.

R

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

RRadial
BBias Belt
DDiagonal
Y

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.