A curiosity question one of you other MB afficionados may be able to answer.

Yesterday I saw what looked like an older 190 series (mid-1980's) with what appeared to be vents in the front fender between the turn signal light and the front of the wheel well.

I have never seen this before. Anyone know what this model is and what the vents are for? Are my eyes playing tricks on me? I only caught a brief glance.