2018 Mercedes-Benz G550 4x4 Tire Size

The original tire size for your 2018 Mercedes-Benz G550 4x4 is listed below. Tap on the box to view a color-coded explanation of the best Mercedes-Benz G550 4x4 tire size.

325/55R22 116H

Simplified Size:  325-55-22

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Mercedes-Benz G550 4x4 is 325/55R22 116H.  A color-coded explanation of the 2018 Mercedes-Benz G550 4x4's tire size is shown below.

325

This number indicates that your tire has a width of 325 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 178 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
22

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

116

This tire has a load index of 116, which means it's capable of carrying a load of 2750 pounds (1250 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.