I've been using Rocky Mountain Sheepskins for years. I get their Custom for about $200 and they have fit my 190E, 300D and Outback. They leave the back open so you can get to the net.

Fit is like tailor made and they have headrest covers too.

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Bob

03 ML320
99 C230K
85 300D 164K
93 190D 2.3 (sold)
62 220S (sold)
58 220S (sold twice -- a long story)