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  #1  
Old 09-15-2019, 09:26 PM
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Increasing tire width w123 300cd

Hi MB colleagues,

I am buying a 1984 300CD and thinking of replacing the existing tires ( 195 70R 14 ) by 205 70 14.

I would appreciate any comments / experiences you may have which you could share.

Thanks in advance
Jorge

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  #2  
Old 09-16-2019, 07:01 AM
JimFreeh's Avatar
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Location: Hampton Roads, Virginia
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Years ago, my brother upgraded the wheels on his 6.9

I was the recipient of the stock bundt alloys and tires.

Specs were: wheels 6.5 inch wide 14 inch dia, tires were 215/70.

They cleared the front suspension, barely.

205/70 will be fine, I've done that with 6 inch wide bundts with no clearance issues.
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  #3  
Old 09-18-2019, 05:34 AM
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if you live in palos verdes,wider tire will help.Drag strip stop lights,lite skinny tires
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  #4  
Old 09-21-2019, 10:04 AM
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I’m running 215 70 14 which is a taller tire than most everyone runs on the w123 300d .The positives - rides higher , feels smoother , gives a better look I feel on a w123. . The negatives - rubs the fender at heavy bumps ( knocked the lip back on both frt fenders a bit too clear , no rub in the back , tires sqeel on heavy turns at speed , more side wall gives less response to performance .
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  #5  
Old 09-21-2019, 10:12 AM
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Given the above I would not do this tire on a coupe , the 215 70 14 would give not enough road feel when it comes to guessing your heavier turns . A spongey tire and shorter car might not be a good combination.
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Old 09-21-2019, 01:56 PM
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Location: Modesto CA
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Quote:
Originally Posted by chasinthesun View Post
I’m running 215/70-14 which is a taller tire than most everyone runs on the w123 300d .The positives - rides higher , feels smoother , gives a better look I feel on a w123. . The negatives - rubs the fender at heavy bumps ( knocked the lip back on both frt fenders a bit too clear , no rub in the back , tires sqeel on heavy turns at speed , more side wall gives less response to performance .
Quote:
Originally Posted by chasinthesun View Post
Given the above I would not do this tire on a coupe , the 215/70-14 would give not enough road feel when it comes to guessing your heavier turns . A spongey tire and shorter car might not be a good combination.

The perceived negatives derive not from the width (215), but from the aspect ratio (/70). A shorter sidewall (/60 aspect ratio) in the same width will provide better feel and response.

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