I think I have exactly those rims on my SD.

The ones I got with the car were custom fitted at a big tire specialty store by the PO. He bought 4.

He left a 14” Bundt in the trunk with a baggie of shorter lug bolts.

I went to the JY and found a cosmetically similar wheel on a 300E (w124). I didn’t realize it was a different offset and I bought it for a spare. I got a flat a few years ago and noticed the offset was off. The wheel is so far in it disappears in the 126 wheel well.

I disliked the rims from day one and wish the idiot po stuck with the bundts. I could kinda tell he was a vain bird by his other service records. But the car came with four new 15” Michelins so I stuck with them long enough to get used to them.

Would it help you if I pulled them off and photographed the markings on the insides? I recall they say made in Italy inside and the 300E one says made in Germany.

Does this mean a set of w123 bundts won’t sit right on a w126? That would be good to know if I ever decide to go back to bundts.

Here is my 300SD

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79 300TD “Old Smokey” AKA “The Mistake” (SOLD)
82 240D stick shift 335k miles (SOLD)
82 300SD 300k miles
85 300D Turbodiesel 170k miles
97 C280 147k miles