# 2018 Mercedes-Benz C63 AMG Tire Size

Your Mercedes-Benz was manufactured with different tire sizes. To determine the best tire size for your specific 2018 Mercedes-Benz C63 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 C63 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

### 2018 Mercedes-Benz C63 AMG

There are multiple tire sizes for your 2018 Mercedes-Benz C63 AMG 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 C63 AMG.

Trim Options:

### Sedan

## 245/40ZR18/XL 97(Front)

### Simplified Size: 245-40-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Mercedes-Benz C63 AMG is **245/40ZR18/XL 97Y (Front)**. A color-coded explanation of the 2018 Mercedes-Benz C63 AMG's tire size is shown below.

245 | This number indicates that your tire has a width of 245 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 98 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.
| ||||||

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. | ||||||

97 | This tire has a load index of 97, which means it's capable of carrying a load of 1606 pounds (730 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||

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:

### Sedan

## 265/40ZR18/XL 101(Rear)

### Simplified Size: 265-40-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Mercedes-Benz C63 AMG is **245/40ZR18/XL 97Y (Front)**. A color-coded explanation of the 2018 Mercedes-Benz C63 AMG's tire size is shown below.

265 | This number indicates that your tire has a width of 265 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 106 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.
| ||||||

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. | ||||||

101 | This tire has a load index of 101, which means it's capable of carrying a load of 1815 pounds (825 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||

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:

### CabrioletCoupe

## 255/40ZR18/XL (99 )(Front)

### Simplified Size: 255-40-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Mercedes-Benz C63 AMG is **255/40ZR18/XL (99Y) (Front)**. A color-coded explanation of the 2018 Mercedes-Benz C63 AMG's tire size is shown below.

255 | This number indicates that your tire has a width of 255 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 102 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.
| ||||||

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. | ||||||

99 | This tire has a load index of 99, which means it's capable of carrying a load of 1705 pounds (775 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||

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:

### CabrioletCoupe

## 285/35ZR18/XL (101 )(Rear)

### Simplified Size: 285-35-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Mercedes-Benz C63 AMG is **255/40ZR18/XL (99Y) (Front)**. A color-coded explanation of the 2018 Mercedes-Benz C63 AMG's tire size is shown below.

285 | This number indicates that your tire has a width of 285 millimeters. | ||||||

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 99 millimeters. | ||||||

Z | |||||||

R |
| ||||||

18 | The tire size was designed to fit rims or wheels that are 18 inches in diameter. | ||||||

XL | |||||||

101 | This tire has a load index of 101, which means it's capable of carrying a load of 1815 pounds (825 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||

## 19-Inch Rims

### 2018 Mercedes-Benz C63 AMG

There are multiple tire sizes for your 2018 Mercedes-Benz C63 AMG 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 C63 AMG.

Trim Options:

### Sedan

## 245/35ZR19/XL 93(Front)

### Simplified Size: 245-35-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Mercedes-Benz C63 AMG is **245/35ZR19/XL 93Y (Front)**. A color-coded explanation of the 2018 Mercedes-Benz C63 AMG's tire size is shown below.

245 | This number indicates that your tire has a width of 245 millimeters. | ||||||

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 85 millimeters. | ||||||

Z | |||||||

R |
| ||||||

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

XL | |||||||

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. | ||||||

Trim Options:

### Sedan

## 265/35ZR19/XL 98(Rear)

### Simplified Size: 265-35-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Mercedes-Benz C63 AMG is **245/35ZR19/XL 93Y (Front)**. A color-coded explanation of the 2018 Mercedes-Benz C63 AMG's tire size is shown below.

265 | This number indicates that your tire has a width of 265 millimeters. | ||||||

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 92 millimeters. | ||||||

Z | |||||||

R |
| ||||||

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

XL | |||||||

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. | ||||||

Trim Options:

### CabrioletCoupe

## 255/35ZR19/XL (96 )(Front)

### Simplified Size: 255-35-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Mercedes-Benz C63 AMG is **255/35ZR19/XL (96Y) (Front)**. A color-coded explanation of the 2018 Mercedes-Benz C63 AMG's tire size is shown below.

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

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. | ||||||

Z | |||||||

R |
| ||||||

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

XL | |||||||

96 | This tire has a load index of 96, which means it's capable of carrying a load of 1562 pounds (710 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||

Trim Options:

### CabrioletCoupe

## 285/30ZR19/XL (98 )(Rear)

### Simplified Size: 285-30-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Mercedes-Benz C63 AMG is **255/35ZR19/XL (96Y) (Front)**. A color-coded explanation of the 2018 Mercedes-Benz C63 AMG's tire size is shown below.

285 | This number indicates that your tire has a width of 285 millimeters. | ||||||

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. | ||||||

Z | |||||||

R |
| ||||||

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

XL | |||||||

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. | ||||||

### 2018 Mercedes-Benz C63 AMG - Similar Models

The 2018 Mercedes-Benz C63 AMG has similar models that may have different tire sizes.

2018 Mercedes-Benz C63 AMG S