
2008 Mercedes-Benz CLK63 AMG Tire Size
Your Mercedes-Benz was manufactured with different tire sizes. To determine the best tire size for your specific 2008 Mercedes-Benz CLK63 AMG, 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 CLK63 AMG'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.
18-Inch Rims
2008 Mercedes-Benz CLK63 AMG
The original tire size for your 2008 Mercedes-Benz CLK63 AMG is listed below. Tap on the box to view a color-coded explanation of your Mercedes-Benz CLK63 AMG's' tire size.
255/35ZR18/XL 94(Rear)
Simplified Size: 225-40-18
Simplified size is useful for shopping and buying tires.
The original tire size for your 2008 Mercedes-Benz CLK63 AMG is 225/40ZR18/XL 92Y (Front). A color-coded explanation of the 2008 Mercedes-Benz CLK63 AMG'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. | ||||||
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. | ||||||
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.
| ||||||
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. |
225/40ZR18/XL 92(Front)
Simplified Size: 255-35-18
Simplified size is useful for shopping and buying tires.
The original tire size for your 2008 Mercedes-Benz CLK63 AMG is 225/40ZR18/XL 92Y (Front). A color-coded explanation of the 2008 Mercedes-Benz CLK63 AMG'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. | ||||||
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. | ||||||
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.
| ||||||
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. |
19-Inch Rims
2008 Mercedes-Benz CLK63 AMG
The original tire size for your 2008 Mercedes-Benz CLK63 AMG is listed below. Tap on the box to view a color-coded explanation of your Mercedes-Benz CLK63 AMG's' tire size.
Trim Options:
Black Series
285/30ZR19/XL (98 )(Rear)
Simplified Size: 265-30-19
Simplified size is useful for shopping and buying tires.
The original tire size for your 2008 Mercedes-Benz CLK63 AMG is 265/30ZR19/XL 93(Y) (Front). A color-coded explanation of the 2008 Mercedes-Benz CLK63 AMG's tire size is shown below.
285 | This number indicates that your tire has a width of 285 millimeters. | ||||||
19 | The tire size was designed to fit rims or wheels that are 19 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. | ||||||
98 | This tire has a load index of 98, which means it's capable of carrying a load of 1650 pounds (750 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||
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. | ||||||
30 | This number means that your tire has an aspect ratio of 30%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 30% of the width. In this case, the sidewall height works out to be 85 millimeters. | ||||||
R | This letter denotes how your tire was constructed. Radial is the standard construction method for about 99% of all tires sold today.
| ||||||
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. |
Trim Options:
Black Series
265/30ZR19/XL (93 )(Front)
Simplified Size: 285-30-19
Simplified size is useful for shopping and buying tires.
The original tire size for your 2008 Mercedes-Benz CLK63 AMG is 265/30ZR19/XL 93(Y) (Front). A color-coded explanation of the 2008 Mercedes-Benz CLK63 AMG's tire size is shown below.
265 | This number indicates that your tire has a width of 265 millimeters. | ||||||
19 | The tire size was designed to fit rims or wheels that are 19 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. | ||||||
93 | This tire has a load index of 93, which means it's capable of carrying a load of 1430 pounds (650 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||
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. | ||||||
30 | This number means that your tire has an aspect ratio of 30%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 30% of the width. In this case, the sidewall height works out to be 79 millimeters. | ||||||
R | This letter denotes how your tire was constructed. Radial is the standard construction method for about 99% of all tires sold today.
| ||||||
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. |