2018 Mercedes-Benz CLA250 Tire Size

Your Mercedes-Benz was manufactured with different tire sizes.  To determine the best tire size for your specific 2018 Mercedes-Benz CLA250, we first need to determine your rim size.  Please review the information below.

How to Determine Rim Size

Check your existing tires.  Your Mercedes-Benz CLA250's rim size is the number to the right of the R.  In the example pictured here, the tire size fits 16-inch rims.

Rim Size Selection

Now that you know your rim size, make a selection below to filter your results.

17-Inch Rims

2018 Mercedes-Benz CLA250

 

The original tire size for your 2018 Mercedes-Benz CLA250 is listed below. Tap on the box to view a color-coded explanation of your Mercedes-Benz CLA250's' tire size.

Trim Options:

4MaticBase

225/45R17 91H

Simplified Size:  225-45-17

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Mercedes-Benz CLA250 is 225/45R17 91H.  A color-coded explanation of the 2018 Mercedes-Benz CLA250's tire size is shown below.

225

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

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 101 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
17

The tire size was designed to fit rims or wheels that are 17 inches in diameter.

91

This tire has a load index of 91, which means it's capable of carrying a load of 1353 pounds (615 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.

18-Inch Rims

2018 Mercedes-Benz CLA250

 

There are multiple tire sizes for your 2018 Mercedes-Benz CLA250 that depend upon the trim level.  Look for your trim level below to get a color-coded explanation of your tire size.  Then pick the best tire size for your 2018 Mercedes-Benz CLA250.

Trim Options:

4MaticBase

225/40R18/XL 92W

Simplified Size:  225-40-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Mercedes-Benz CLA250 is 225/40R18/XL 92W.  A color-coded explanation of the 2018 Mercedes-Benz CLA250's tire size is shown below.

225

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

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
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.

W

This tire has a speed rating of W, which means 167 mph (270 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.

Trim Options:

4Matic w/AMG Sport Pkg.w/AMG Sport Pkg.

235/40ZR18/XL 95Y

Simplified Size:  235-40-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Mercedes-Benz CLA250 is 235/40ZR18/XL 95Y.  A color-coded explanation of the 2018 Mercedes-Benz CLA250's tire size is shown below.

235

This number indicates that your tire has a width of 235 millimeters.

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 94 millimeters.

Z

This tire has a speed class of Z, which means it's part of an elite speed class of 149 mph or more (240 km/h).  A tire's speed class is less specific than the speed rating.

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
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.

95

This tire has a load index of 95, which means it's capable of carrying a load of 1518 pounds (690 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

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.