That looks like the leather wheel MB fitted to the '89 S, SL, and E class.
I've got that too, on my 300.

What's with the sagging and faded seat nets, though? Maybe such a common thing, but it detracts from the car's looks.

New headlight doors, presentable chrome, straight sides, pin-stripe, has it ever been painted?

Exhaust doesn't look like it is positioned correctly. Should be more towards the driver's side.

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1987 300SDL (324000)

1986 Porsche 951 (944 Turbo) (166000)

1978 Porsche 924 (99000)

1996 Nissan Pathfinder R50 (201000)