Plastic cover, mb part #000 1582285 . Found it sitting on the underbody aero pan when I was changing the oil. Thanks!

Probably a coil cover.

A0001582285
PROTECTION HOOD
EUR 4.22

http://wwwsg.daimlerchrysler.com/Projects/wi/cda/etpl?ETNR=A0001582285&from=query&etpl_lang=

http://www.worldlingo.com/SH0gfCf2o9dO_aQSlf1TzmdLg5j2B7Yq2/translate


Have a great day.

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Thanks! Does anybody know what the hood protects?

As Ron suggests, it seem to be a cover for the igniton coil.
Bruno

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1992 300TE 160 kmiles