2015 Mercedes-Benz C350 Tire Size

The original tire size for your 2015 Mercedes-Benz C350 is listed below. Tap on the box to view a color-coded explanation of the best Mercedes-Benz C350 tire size.

Trim Options:

4MaticBase

255/35R18/XL 94H(Rear)

Simplified Size:  225-40-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2015 Mercedes-Benz C350 is 225/40R18/XL 92H (Front).  A color-coded explanation of the 2015 Mercedes-Benz C350's tire size is shown below.

255

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

18

The tire size was designed to fit rims or wheels that are 18 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.

94

This tire has a load index of 94, which means it's capable of carrying a load of 1474 pounds (670 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

35

This number means that your tire has an aspect ratio of 35%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 35% of the width.  In this case, the sidewall height works out to be 89 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.

Trim Options:

4MaticBase

225/40R18/XL 92H(Front)

Simplified Size:  255-35-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2015 Mercedes-Benz C350 is 225/40R18/XL 92H (Front).  A color-coded explanation of the 2015 Mercedes-Benz C350's tire size is shown below.

225

This number indicates that your tire has a width of 225 millimeters.

18

The tire size was designed to fit rims or wheels that are 18 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.

92

This tire has a load index of 92, which means it's capable of carrying a load of 1386 pounds (630 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 90 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.