Rim/Tires w164 ML 2006

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Apr 25, 2005 | 05:37 PM

rubensans

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From: Barcelona-Spain

Brabus K3

Rim/Tires w164 ML 2006

Hello,

In the new W164, I can choose 2 tire sizes:

a) 8J * 18 ET60 255/55 R18

b) 8.5J * 19 ET58 255/50 R19

I wanted something wider like the 275 that the W163 has as an option but this one don't have.

Will this ones work?
8,5x18 und 9,5x18, ET 35, LK 5/112

Why is the ET so different?

Best Regards,

Ruben.

Apr 25, 2005 | 06:40 PM

Harris

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I believe you can change the tires to wider sizes. The new ML63 have 20" wheels standard.

The sizes that you mentioned (18x8.5/9.5 ET35) will not work because the offsets are way off. And I think those are sizes for cars, not SUVs. You require much higher loading capacity on the SUVs.

Apr 25, 2005 | 06:56 PM

rubensans

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From: Barcelona-Spain

Brabus K3

8*18 can support a wider tire than 255?

In my sportcoupe 7.5 is for 225 and 8.5 is for 245

It's strange for me that stock 8*18 rims support 255. Do this work different in 4*4?

Best Regards.

Apr 25, 2005 | 11:16 PM

GregW / Oregon

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From: Lake Oswego, OR

2020 GLE 450; 2023 BMW M2 Coupe

Tires/wheels for ML

Quote:

Originally Posted by rubensans

8*18 can support a wider tire than 255?

In my sportcoupe 7.5 is for 225 and 8.5 is for 245

It's strange for me that stock 8*18 rims support 255. Do this work different in 4*4?

Best Regards.

The reason for wider rims is to provide better support for a tire in cornering. Since SUVs have may have other demands than cornering, yes, they are a little different. You can go to the tire rack website and look at a number of tire specs (Prielli Scorpion Zero, Michelin Diamantis, etc.) and see what the recommended rim range is. 8" rims can handle up to 285s for some.

That being said, I would recommend a wider rim than stock if you are going 275s or 285s, something in the 9" - 10" (for 285s) range will give better road handling, still adequate curb protection and look better.

Apr 26, 2005 | 02:49 AM

rubensans

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From: Barcelona-Spain

Brabus K3

Thanks You;

Great Explanation.

If I put 275 in rear in the 8.5 AMG rims, would I have a bad road handling?

Ruben.

Apr 26, 2005 | 12:41 PM

rubensans

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From: Barcelona-Spain

Brabus K3

Quote:

8*18 ET60 255/55 18 737.69 mm exterior diameter (STOCK)

275/60 (7.5) 787.2 mm exterior diameter
285/50 (8) 742.19 mm exterior diameter
285/60 (8) 799.19 mm exterior diameter

In 19' I found this:

Quote:

8.5*19 ET58 255/50 19 737.59 exterior diameter

275/45 (8.5) 730.1 mm exterior diameter
285/45 (9) 739.09 mm exterior diameter
285/45 (8) 739.09 mm exterior diameter (pirelli scorpion zero asimetric).

The data between () is the min rim width.

Do you know If 275 or 285 tires will rub without puting spacers?
About increase in overall diameter, will 742mm, 787mm or 799mm be a problem? I think It shouldn't since in the photos it's seems to be a lot of clearance.

I will have Airmatic.

Best Regards.

Apr 26, 2005 | 05:14 PM

GregW / Oregon

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From: Lake Oswego, OR

2020 GLE 450; 2023 BMW M2 Coupe

Optional tire & wheel sizes

Quote:

Originally Posted by rubensans

If been reading a lot about this.

I have 2 options when I buy the car:

1) Mercedes Double Spoke 8J*18 ET60 (1267€)

2) AMG 8.5J*19 ET58 (2816€)

I want a wider tire than 255; I won't do agresive driving in this car (I have the sportcoupe for this).

Since the W164 wheel arches are very big, I thing it will be better to get 19's.

The data between () is the min rim width.

Do you know If 275 or 285 tires will rub without puting spacers?
About increase in overall diameter, will 742mm, 787mm or 799mm be a problem? I think It shouldn't since in the photos it's seems to be a lot of clearance.

I will have Airmatic.

Best Regards.

I would not go smaller in diameter, and try to not go more than 3% larger. The 3% is based on circumference, not diameter, so that would mean upt to 760mm diameter. This is to keep your speedometer reasonably accurate (German speedos thend to read fast, so that going bigger can make it more accurate). Another factor these days is there are sensors reading rotational speed and computing vehicle speed for things like yaw control, for instance; you may want to avoid a drastic diameter change. Suspension clearance and front clearance at full lock are other issues.

Until a number of vehicles get into owners' and tuners' hands, it's a bit of a guess at this point. I would wait a few months and let others figure out the optimum sizes and what will clear.

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Apr 26, 2005 | 06:09 PM

GregW / Oregon

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From: Lake Oswego, OR

2020 GLE 450; 2023 BMW M2 Coupe

Wheels

Quote:

Originally Posted by rubensans

The 19s will be more marketable if you decide to upgrade to aftermarket-you will have no trouble selling them. I would go with those.

Apr 28, 2005 | 12:04 AM

#10

TNblkc230wz

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Joined: Jan 2003

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C320 Coupe

Quote:

Originally Posted by GregW / Oregon

Also, the 55 series tires require a narrower rim than a 40 series tire in relation to the tire's width.

Apr 28, 2005 | 12:15 AM

#11

GregW / Oregon

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From: Lake Oswego, OR

2020 GLE 450; 2023 BMW M2 Coupe

Tire sizes

Quote:

Originally Posted by TNblkc230wz

Also, the 55 series tires require a narrower rim than a 40 series tire in relation to the tire's width.

The stock 255/50-19s will work on a 7" - 9" rim according to Bridgestone. 285s take a 9" - 10.5".

Apr 28, 2005 | 03:25 AM

#12

rubensans

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From: Barcelona-Spain

Brabus K3

Can you explain me this better "Also, the 55 series tires require a narrower rim than a 40 series tire in relation to the tire's width.".

Sorry, My english is not as good as I want it to be.

Best Regards.

Apr 28, 2005 | 10:52 AM

#13

GregW / Oregon

MBWorld Fanatic!

Joined: Jul 2003

Posts: 6,770

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From: Lake Oswego, OR

2020 GLE 450; 2023 BMW M2 Coupe

Tire/rim sizes

Quote:

Originally Posted by rubensans

That was not stated clearly-the width of the tire determines the width of the rim, not the aspect ratio, whcih is what the 55- and 40 series designations are. But since, to maintain a given outside diameter you must go wider with a smaller aspect ratio, that also means the rim should get wider. So, it's all related.

Apr 28, 2005 | 01:15 PM

#14

scorchie

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From: Las Vegas, NV USA / London, UK

GL320CDI / C63 Edition 507 Coupe (EDP) / E63 S (on order) / G500 / Smart Brabus

Quote:

Originally Posted by GregW / Oregon

The width of the tire is not the sole determing factor for the rim width. The previous poster correctly stated that a wider rim is required for a lower aspect ratio tire, for the same given width. Check all 275 series tires by a manufacturer, for instance; you will see that as the aspect ratio goes down, the minimum width of the rim goes up.

I have 315 wide tires on an 8" rim. This is 75 aspect ratio. The same tire in a 30 series aspect ratio will generally require a 11" rim (manufacturers' requirements will vary).

For my M-class, I had 285 width tires on a 9" rim; this was easily within specification for most manufacturers. On my CLK, 285 width tires require a 9.5" rim. The main difference here is the aspect ratio, as most manufacturers have similar width requirements in these sizes.

-s-

Apr 28, 2005 | 05:14 PM

#15

rubensans

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From: Barcelona-Spain

Brabus K3

Hello,

Then If I'm not wrong I have these options if I want to keep original rims:

18:
RIM: 8J*18 ET 60

Quote:

Continental CrossContact UHP 109W SL
285/50 WR18
Rim Sizes: 8-->10

Michelin Diamaris 109W SL
285/50 WR18
Rim Sizes: 8-->10

Pirelli Scorpion Zero Asimmetrico 109W SL
285/50 WR18
Rim Sizes: 8-->10

19:
RIM: 8.5*19 ET 58

Quote:

Michelin Diamaris 107V SL
285/45 VR19
Rim Sizes: 9-->10.5

Pirelli Scorpion Zero Asimmetrico 107V SL
285/45 VR19
Rim Sizes: 8-->10

Quote:

Michelin Diamaris 108Y XL
275/45 YR19
Rim Sizes: 8.5-->10.5

Continental CrossContact UHP 108Y XL
275/45 YR19
Rim Sizes: 8.5-->10.5

Sugestions?

How can I know If I will have enough clearance to put this tires right know?

Which offset will give me a better clearance? ET58 or ET60?

Best Regards.

Last edited by rubensans; Apr 28, 2005 at 05:19 PM.

Apr 29, 2005 | 12:32 AM

#16

TNblkc230wz

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Posts: 687

Likes: 1

C320 Coupe

Quote:

Originally Posted by rubensans

The reason why is the rim width is determined by the tire width at the bead, not the widest point of the cross section. With low profile tires, the sidewall is very short so the tread width and bead width are close to the cross section width. On taller aspect ratios, the tire's sidewall tends to bubble out, hence the tread and bead width will not be nearly as wide as the cross section. These tires also have more flex in the sidewalls so the rim width can have a wider range Some performance tires tend to keep the tread wide, but the still make the bead width narrower.

Therefore, a 255/40 with a 4.01 inch (102 mm) sidewall will require an 8 - 9.5 inch rim and a 255/55 with a 5.52 inch (140 mm) sidewall will require a 7 - 9 inch rim. The 55 series tire has a lot more sidewall to move around.

Apr 29, 2005 | 12:37 AM

#17

TNblkc230wz

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Joined: Jan 2003

Posts: 687

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C320 Coupe

Quote:

Originally Posted by rubensans

Hello,

Then If I'm not wrong I have these options if I want to keep original rims:

18:
RIM: 8J*18 ET 60

If the stock offset is 60, a 58mm offset will probably work. check the clearance around the caliper and tire to struck clearance. If you have more than 4 mm, it will probably clear. No guarentees though.

I can tell you my C class with AMG brakes doesn't have the extra 2 mm nor do the 05s with the bigger brakes, so look close.

19:
RIM: 8.5*19 ET 58

Sugestions?

How can I know If I will have enough clearance to put this tires right know?

Which offset will give me a better clearance? ET58 or ET60?

Best Regards.

If the stock offset is 60, a 58mm offset will probably work. check the clearance around the caliper and tire to struck clearance. If you have more than 4 mm, it will probably clear. No guarentees though.

I can tell you my C class with AMG brakes doesn't have the extra 2 mm nor do the 05s with the bigger brakes, so look close.