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  #1  
Old 11-11-2005, 11:58 AM
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220d stock tire size

Can someone with a 220d owner's manual tell me the stock tire size for the car (1969 and 1973)? I think it may be 175/70/14 (from my searches which weren't totally conclusive). This would mean I should have a ~5% spedo/odometer error with the 185/75/14 tires I currently have on the car (according to http://www.csgnetwork.com/speedocalibcalc.html).

I'm trying to compute my mileage accurately and haven't had a chance to find a long stretch of road for calibrating the odometer. It sure seems like my spedo is reading low but I can't tell if this is a psychological effect of the higher road noise/rmp compared to my 300d...

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Old 11-11-2005, 12:07 PM
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The original tire size for the stroke 8's (W114/W115s) was 185HR14. They're no longer manufactured, the closest you can find are 185/80R14. With your current tires you're reading about 1.7mph below your actual speed, that if if your speedometer is still calibrated correctly. 185/80R14s are hard to find. Some people just use 195/75R14s instead.

-Joe
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  #3  
Old 11-11-2005, 12:11 PM
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Quote:
Originally Posted by H-townbenzoboy
The original tire size for the stroke 8's (W114/W115s) was 185HR14. They're no longer manufactured, the closest you can find are 185/80R14. With your current tires you're reading about 1.7mph below your actual speed, that if if your speedometer is still calibrated correctly. 185/80R14s are hard to find. Some people just use 195/75R14s instead.

-Joe
Any idea what the profile would translate into for the "185HR14" tires? 70,75,80?
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  #4  
Old 11-11-2005, 12:44 PM
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according to my owner's manual the original tire size for the W115 240 D is 175 SR 14, for the 300 D it is 185 HR 14 (which are currently on mine). Since they are hard to find I'll probably change to 195s soon.
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  #5  
Old 11-11-2005, 01:17 PM
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that is what i remembered

175 for the 240 and 220. when it says just 175r14 or 185r 14 it is an 85% aspect ratio understood.

tom w
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  #6  
Old 11-11-2005, 01:29 PM
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185-14 available here
http://tiresunlimited.com/ALL%20TIRES/Vredestein/vred_sprint.htm

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