# 2013 Mercedes-Benz SL550 Tire Size

Your Mercedes-Benz was manufactured with different tire sizes. To determine the best tire size for your specific 2013 Mercedes-Benz SL550, 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 SL550'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

### 2013 Mercedes-Benz SL550

Your 2013 Mercedes-Benz SL550 was manufactured with multiple tire sizes. Choose a tire size below to get a color-coded explanation of the differences. Then pick the best tire size for your 2013 Mercedes-Benz SL550.

## 255/40R18 95(Front)

### Simplified Size: 255-40-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2013 Mercedes-Benz SL550 is **255/40R18 95W (Front)**. A color-coded explanation of the 2013 Mercedes-Benz SL550'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. | ||||||

R | This letter denotes how your tire was constructed. Radial is the standard construction method for about 99% of all tires sold today.
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18 | The tire size was designed to fit rims or wheels that are 18 inches in diameter. | ||||||

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. | ||||||

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. |

## 285/35R18 97(Rear)

### Simplified Size: 285-35-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2013 Mercedes-Benz SL550 is **255/40R18 95W (Front)**. A color-coded explanation of the 2013 Mercedes-Benz SL550'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. | ||||||

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. | ||||||

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

## 255/40R18 95(Front)

### Simplified Size: 255-40-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2013 Mercedes-Benz SL550 is **255/40R18 95Y (Front)**. A color-coded explanation of the 2013 Mercedes-Benz SL550'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. | ||||||

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. | ||||||

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. | ||||||

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. |

## 285/35R18 97(Rear)

### Simplified Size: 285-35-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2013 Mercedes-Benz SL550 is **255/40R18 95Y (Front)**. A color-coded explanation of the 2013 Mercedes-Benz SL550'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. | ||||||

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

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. |

## 19-Inch Rims

### 2013 Mercedes-Benz SL550

The original tire size for your 2013 Mercedes-Benz SL550 is listed below. Tap on the box to view a color-coded explanation of your Mercedes-Benz SL550's' tire size.

## 255/35R19/XL 96(Front)

### Simplified Size: 255-35-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2013 Mercedes-Benz SL550 is **255/35R19/XL 96Y (Front)**. A color-coded explanation of the 2013 Mercedes-Benz SL550'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. | ||||||

R |
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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. | ||||||

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. | ||||||

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. |

## 285/30R19/XL 98(Rear)

### Simplified Size: 285-30-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2013 Mercedes-Benz SL550 is **255/35R19/XL 96Y (Front)**. A color-coded explanation of the 2013 Mercedes-Benz SL550'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. | ||||||

R |
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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. | ||||||