Does anyone know what the difference is between the following wheel lugs for the original-style (finned) alloy wheels:

126 401 06 70 used on 126 420SE/L and 500SE/L cars with (I think) 15" wheels, and;

108 401 00 70 used with 14" alloys on just about everything else (107, 116, 123, 126 etc.) ???

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Chuck Taylor
Falls Church VA
'66 200, '66 230SL, '96 SL500. Sold: '81 380SL, '86 300E, '72 250C, '95 C220, 3 '84 280SL's '90 420SEL, '72 280SE, '73 280C, '78 280SE, '70 280SL, '77 450SL, '85 380SL, '87 560SL, '85 380SL, '72 350SL, '96 S500 Coupe

part numbers interchange with each other in my system..and the 500 sel came with 14 inch wheels where the 420 came with 15 inch..i believe the 15 inch wheel lug bolts have a spacer on them so they dont sit so deep in the rim

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1962 220S
1966 200 Diesel
1981 300TD Wagon
1984 500SL
1989 560SEC Euro

Thanks. What is your system, because the EPC does not show them interchanging?

I looked at the 500SE and got some more info. This may be beyond everyone's who cares level.

Up to SN 195267, 15 hole 14" wheels and 108 401 00 70 lugs

From 195268 to 252732, 15 hole 15" wheels and 126 401 06 70 lugs

From 252733 on, 14 hole 15" newer style wheels and the longer lugs

So I conclude that the 126 lugs were only for the 15" bundts.

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Chuck Taylor
Falls Church VA
'66 200, '66 230SL, '96 SL500. Sold: '81 380SL, '86 300E, '72 250C, '95 C220, 3 '84 280SL's '90 420SEL, '72 280SE, '73 280C, '78 280SE, '70 280SL, '77 450SL, '85 380SL, '87 560SL, '85 380SL, '72 350SL, '96 S500 Coupe

Not sure it's that simple. In digging around the bone yards I found some lug bolts with straight tapered seats and some with a ball shaped seat. I also found a bunch of ruined wheels that should have taken tapered seat lugs and ball shaped lugs were used and vice versa. In general, what I found, alloy lugs are longer than lugs used for steel wheels. Alloy wheels with steel incerts use lugs with a ball seat wheras the alloy wheels without the steel incert use the lugs with a taper seat.

I think that I would be concerned with finding lugs that fit the wheels that you have by comparing the lug seat to the seat in your wheels instead of attempting to guess the right lugs by a catalog application.

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"If it's in the newspaper it must be true." Dudley Do-Right

I'm not trying to guess anything. I am trying to understand why there is a completely different part number for these seemingly identical lugs, and if they are in fact identical or interchangeable.

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Chuck Taylor
Falls Church VA
'66 200, '66 230SL, '96 SL500. Sold: '81 380SL, '86 300E, '72 250C, '95 C220, 3 '84 280SL's '90 420SEL, '72 280SE, '73 280C, '78 280SE, '70 280SL, '77 450SL, '85 380SL, '87 560SL, '85 380SL, '72 350SL, '96 S500 Coupe