2010 Mercedes-Benz ML550 Tire Size

Your 2010 Mercedes-Benz ML550 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 2010 Mercedes-Benz ML550.

265/45R20 104Y

Simplified Size:  265-45-20

Simplified size is useful for shopping and buying tires.

The original tire size for your 2010 Mercedes-Benz ML550 is 265/45R20 104Y.  A color-coded explanation of the 2010 Mercedes-Benz ML550's tire size is shown below.

265

This number indicates that your tire has a width of 265 millimeters.

20

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

104

This tire has a load index of 104, which means it's capable of carrying a load of 1980 pounds (900 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 119 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.

265/45R20/XL 108H

Simplified Size:  265-45-20

Simplified size is useful for shopping and buying tires.

The original tire size for your 2010 Mercedes-Benz ML550 is 265/45R20/XL 108H.  A color-coded explanation of the 2010 Mercedes-Benz ML550's tire size is shown below.

265

This number indicates that your tire has a width of 265 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.

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 119 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
H

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.