2015 Mercedes-Benz GL550 Tire Size

Your 2015 Mercedes-Benz GL550 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 2015 Mercedes-Benz GL550.

Trim Options:

4Matic

295/40R21/XL 111V

Simplified Size:  295-40-21

Simplified size is useful for shopping and buying tires.

The original tire size for your 2015 Mercedes-Benz GL550 is 295/40R21/XL 111V.  A color-coded explanation of the 2015 Mercedes-Benz GL550's tire size is shown below.

295

This number indicates that your tire has a width of 295 millimeters.

21

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

111

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.

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 118 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:

4Matic

295/40R21/XL 111W

Simplified Size:  295-40-21

Simplified size is useful for shopping and buying tires.

The original tire size for your 2015 Mercedes-Benz GL550 is 295/40R21/XL 111W.  A color-coded explanation of the 2015 Mercedes-Benz GL550's tire size is shown below.

295

This number indicates that your tire has a width of 295 millimeters.

21

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

111

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.

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 118 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
W

This tire has a speed rating of W, which means 167 mph (270 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.