2010 Mercedes-Benz ML450 Tire Size

The original tire size for your 2010 Mercedes-Benz ML450 is listed below. Tap on the box to view a color-coded explanation of the best Mercedes-Benz ML450 tire size.

Trim Options:

Hybrid 4Matic

255/50R19/RF 107H

Simplified Size:  255-50-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2010 Mercedes-Benz ML450 is 255/50R19/RF 107H.  A color-coded explanation of the 2010 Mercedes-Benz ML450's tire size is shown below.

255

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

19

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

RF

The mark of RF indicates that the tire is reinforced.  This means it can handle a higher inflation pressure than a standard tire, which increases its maximum load.

107

This tire has a load index of 107, which means it's capable of carrying a load of 2145 pounds (975 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

50

This number means that your tire has an aspect ratio of 50%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 50% of the width.  In this case, the sidewall height works out to be 127 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.