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Old 11-14-2007, 02:21 AM
Registered User
Join Date: Aug 2007
Location: Greenbushes Western Australia
Posts: 16

Hi all My first post here have been lurking for a while,, have a W123 300D and just wondering are there any advantages to fitting 15 inch rims vs 14 inch Thanks
Western Australia
82 300D 395000km (Des)
86 420SEL 260000km (Jes)
96 Nissan Patrol Diesel Ute 418000km (The Ute)
99 Triumph Sprint ST 63000km (Me Bike)
79 Pop Top Caravan ?km ( THe Van)
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Old 11-14-2007, 06:23 AM
t walgamuth's Avatar
Join Date: Apr 2005
Location: Lafayette Indiana
Posts: 32,143
IN my book, no. But I am very sensitive to ride and handling and any weight increase in the wheel tire package will upset my delicate rear end.

There may be somewhat more extensive tire choices for the 15" tires.

I have always been able to get the tires I want for the 14" tires (Michelin).

Tom W
[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins& six speed; I have had about 35 benzes. I am finishing a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual....I also have a 427 Cobra replica with an aluminum chassis.
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Old 11-14-2007, 07:33 AM
Registered Diesel Burner
Join Date: Aug 2001
Location: Northern Virginia
Posts: 2,911
Welcome - we'd love to see pictures of all the vehicles in your signature because it includes some models we can't get here.

The main reason I like the 15" wheels is for looks. The later 15-hole MB wheels look better on the W123 and W126 than the older 14" Bundt cake pan wheels that were original.

The secondary reason is that tire selection is a little better in the 15" size than the 14" size. But not really that much better.

1982 300D at 351K miles
1984 300SD at 217K miles
1987 300D at 370K miles
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Old 11-14-2007, 08:01 AM
JimFreeh's Avatar
Benz addict
Join Date: Mar 2007
Location: Hampton Roads, Virginia
Posts: 3,276
Some increase the diameter to effectively lower the axle ratio.

Late W126 and W107 flat face will have the correct offset for the W123 if you want to stick with original styles in 15"

They just do not look "right" IMHO on the w123. Try for a set of Ronal R-9s, BBS wire spoke, or the rare 15 bundts. All period, look great, and give you the 15" tire.

Look for an offset that is around 23-26mm. late model 41-49mm offset give a knock-kneed appearance due to the extreme negative offset.

14 E250 BlueTEC black
05 E320 CDI Platinum blue (daughter's)
94 E320 Cabriolet Emerald green
85 300TD 4 spd manual dark blue
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