# 2007 Mercedes-Benz SLK350 Tire Size

There are multiple tire sizes for your 2007 Mercedes-Benz SLK350 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 2007 Mercedes-Benz SLK350.

## 225/45R17 91(Front)

### Simplified Size: 225-45-17

Simplified size is useful for shopping and buying tires.

The original tire size for your 2007 Mercedes-Benz SLK350 is **225/45R17 91W (Front)**. A color-coded explanation of the 2007 Mercedes-Benz SLK350'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.
| ||||||

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. | ||||||

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. |

## 245/40R17 91(Rear)

### Simplified Size: 245-40-17

Simplified size is useful for shopping and buying tires.

The original tire size for your 2007 Mercedes-Benz SLK350 is **225/45R17 91W (Front)**. A color-coded explanation of the 2007 Mercedes-Benz SLK350'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. | ||||||

R | This letter denotes how your tire was constructed. Radial is the standard construction method for about 99% of all tires sold today.
| ||||||

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. | ||||||

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:

### w/AMG Sport Pkg.

## 225/45ZR17 91(Front)

### Simplified Size: 225-45-17

Simplified size is useful for shopping and buying tires.

The original tire size for your 2007 Mercedes-Benz SLK350 is **225/45ZR17 91Y (Front)**. A color-coded explanation of the 2007 Mercedes-Benz SLK350'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. | ||||||

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.
| ||||||

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. | ||||||

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:

### w/AMG Sport Pkg.

## 245/40ZR17 91(Rear)

### Simplified Size: 245-40-17

Simplified size is useful for shopping and buying tires.

The original tire size for your 2007 Mercedes-Benz SLK350 is **225/45ZR17 91Y (Front)**. A color-coded explanation of the 2007 Mercedes-Benz SLK350'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 |
| ||||||

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

91 | |||||||

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. |