2018 Mercedes-Benz G550 Tire Size

Your 2018 Mercedes-Benz G550 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 2018 Mercedes-Benz G550.

275/55R19 111H

Simplified Size:  275-55-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Mercedes-Benz G550 is 275/55R19 111H.  A color-coded explanation of the 2018 Mercedes-Benz G550's tire size is shown below.

275

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

55

This number means that your tire has an aspect ratio of 55%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 55% of the width.  In this case, the sidewall height works out to be 151 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
19

The tire size was designed to fit rims or wheels that are 19 inches in diameter.

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.

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.

275/55R19 111V

Simplified Size:  275-55-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Mercedes-Benz G550 is 275/55R19 111V.  A color-coded explanation of the 2018 Mercedes-Benz G550's tire size is shown below.

275

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

55

This number means that your tire has an aspect ratio of 55%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 55% of the width.  In this case, the sidewall height works out to be 151 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
19

The tire size was designed to fit rims or wheels that are 19 inches in diameter.

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.

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.