2012 Mercedes-Benz S550 Tire Size

Your Mercedes-Benz was manufactured with different tire sizes.  To determine the best tire size for your specific 2012 Mercedes-Benz S550, 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 S550'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

2012 Mercedes-Benz S550

 

The original tire size for your 2012 Mercedes-Benz S550 is listed below. Tap on the box to view a color-coded explanation of your Mercedes-Benz S550's' tire size.

Trim Options:

4MaticBase

255/45R18 99H

Simplified Size:  255-45-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2012 Mercedes-Benz S550 is 255/45R18 99H.  A color-coded explanation of the 2012 Mercedes-Benz S550'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.

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.

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 114 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
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.

19-Inch Rims

2012 Mercedes-Benz S550

 

There are multiple tire sizes for your 2012 Mercedes-Benz S550 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 2012 Mercedes-Benz S550.

Trim Options:

4Matic w/Sport Pkg.

255/40R19 96Y

Simplified Size:  255-40-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2012 Mercedes-Benz S550 is 255/40R19 96Y.  A color-coded explanation of the 2012 Mercedes-Benz S550's tire size is shown below.

255

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

19

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

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.

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.

RRadial
BBias Belt
DDiagonal
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.

275/40R19 101V(Rear)

Simplified Size:  255-40-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2012 Mercedes-Benz S550 is 255/40R19/XL 100V (Front).  A color-coded explanation of the 2012 Mercedes-Benz S550's tire size is shown below.

275

This number indicates that your tire has a width of 275 millimeters.

19

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

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.

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 110 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
V

This tire has a speed rating of V, which means 149 mph (240 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.

255/40R19/XL 100V(Front)

Simplified Size:  275-40-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2012 Mercedes-Benz S550 is 255/40R19/XL 100V (Front).  A color-coded explanation of the 2012 Mercedes-Benz S550's tire size is shown below.

255

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

100

This tire has a load index of 100, which means it's capable of carrying a load of 1760 pounds (800 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

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.

RRadial
BBias Belt
DDiagonal
V

This tire has a speed rating of V, which means 149 mph (240 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.

Trim Options:

4Matic w/Sport Pkg.

255/40R19/XL 100Y

Simplified Size:  255-40-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2012 Mercedes-Benz S550 is 255/40R19/XL 100Y.  A color-coded explanation of the 2012 Mercedes-Benz S550's tire size is shown below.

255

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

100

This tire has a load index of 100, which means it's capable of carrying a load of 1760 pounds (800 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

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.

RRadial
BBias Belt
DDiagonal
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.

Trim Options:

w/Sport Pkg.

275/40R19 101Y(Rear)

Simplified Size:  255-40-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2012 Mercedes-Benz S550 is 255/40R19/XL 100Y (Front).  A color-coded explanation of the 2012 Mercedes-Benz S550's tire size is shown below.

275

This number indicates that your tire has a width of 275 millimeters.

19

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

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.

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 110 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
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.

Trim Options:

w/Sport Pkg.

255/40R19/XL 100Y(Front)

Simplified Size:  275-40-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2012 Mercedes-Benz S550 is 255/40R19/XL 100Y (Front).  A color-coded explanation of the 2012 Mercedes-Benz S550's tire size is shown below.

255

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

100

This tire has a load index of 100, which means it's capable of carrying a load of 1760 pounds (800 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

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.

RRadial
BBias Belt
DDiagonal
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.

20-Inch Rims

2012 Mercedes-Benz S550

 

The original tire size for your 2012 Mercedes-Benz S550 is listed below. Tap on the box to view a color-coded explanation of your Mercedes-Benz S550's' tire size.

Trim Options:

w/Sport Pkg.

275/35ZR20/XL(Rear)

Simplified Size:  255-35-20

Simplified size is useful for shopping and buying tires.

The original tire size for your 2012 Mercedes-Benz S550 is 255/35ZR20/XL (Front).  A color-coded explanation of the 2012 Mercedes-Benz S550's tire size is shown below.

275

This number indicates that your tire has a width of 275 millimeters.

20

The tire size was designed to fit rims or wheels that are 20 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.

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 96 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

Trim Options:

w/Sport Pkg.

255/35ZR20/XL(Front)

Simplified Size:  275-35-20

Simplified size is useful for shopping and buying tires.

The original tire size for your 2012 Mercedes-Benz S550 is 255/35ZR20/XL (Front).  A color-coded explanation of the 2012 Mercedes-Benz S550's tire size is shown below.

255

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

20

The tire size was designed to fit rims or wheels that are 20 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.

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.

RRadial
BBias Belt
DDiagonal