I have seen '85 models with 2 different ALDAs.

does yours have a an exposed screw and lockbolt?

or is it covered by a black cap and not visible under normal circumstances?

was there any factory paint on the screw/ bolt?

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isn't that two different looks at the same device?

I though that the cap was simply a way to keep it from being tampered with.

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1985 300D cali 190K

http://mercedes.thatchermathias.com/mw300d.jpg

this on an '85 Ca model. Mine is Ca also.. but not the same.

No, it isn't important, but I would like to know if some dip#$%^ messed with the setting and replaced the original.

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man...does mr. clean live under the hood of yours?

here's mine.

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1985 300D cali 190K

http://mercedes.thatchermathias.com/mw300d.jpg