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  #1  
Old 09-26-2019, 01:05 AM
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Stock vs Wide Wheels & Tires on 300CD

My 1985 300CD has a 15 Inch Mercedes six spoke wheels and 225/60-15 tires. I am considering going back to the stock 14 inch Bundts with 195/70-14 tires. Is that going to make a significant difference in the way the car rides, steers, and handles? I have done the wide wheel/tire thing on cars before and usually found it to be a mistake. I think steering feel, straight line tracking, and ride are more important than cornering. However if the car brakes significantly better with wider rubber then it might not be worth the conversion if the changes are not very noticeable.

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Old 10-24-2019, 03:20 AM
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300 CD owner here

Curious about what you ended up doing with this situation. I currently have the stock 14" Bundts on my 300CD & always wanted to go to a bigger, taller wheel in order to have a better selection of tires & also improve the handling a bit. I confess that i haven't ridden in a W123 with oversize wheels/tires so I don't know what the trade-offs are.
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  #3  
Old 10-30-2019, 02:12 AM
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I just bought a set of powder coated 14 X 6 inch Bundts, but I won't have the car on the road until after Christmas.
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Old 10-30-2019, 08:17 AM
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The original tires are significantly lighter than the bigger tires. This gives excellent ride and handling. On road cars I have never been happy with the result when I went oversize.
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  #5  
Old 07-31-2020, 01:56 AM
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To answer my own question, I mounted a set of stock wheels and tires on the car, and it doesn't make much difference.
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  #6  
Old 07-31-2020, 07:57 AM
t walgamuth's Avatar
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The difference he is talking of is not drastic so the difference might not be noticed.

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.
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